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WO1996030584A1 - Compositions aqueuses hydrophobes et oleophobes - Google Patents

Compositions aqueuses hydrophobes et oleophobes Download PDF

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Publication number
WO1996030584A1
WO1996030584A1 PCT/US1995/003949 US9503949W WO9630584A1 WO 1996030584 A1 WO1996030584 A1 WO 1996030584A1 US 9503949 W US9503949 W US 9503949W WO 9630584 A1 WO9630584 A1 WO 9630584A1
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WO
WIPO (PCT)
Prior art keywords
composition
acrylate
fluorochemical
group
carbon atoms
Prior art date
Application number
PCT/US1995/003949
Other languages
English (en)
Inventor
Charles D. Huber
Michael A. Yandrasits
Original Assignee
Minnesota Mining And Manufacturing Company
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Minnesota Mining And Manufacturing Company filed Critical Minnesota Mining And Manufacturing Company
Priority to KR1019960706775A priority Critical patent/KR970703465A/ko
Priority to US08/737,686 priority patent/US5725789A/en
Priority to JP1996529298A priority patent/JP3760219B6/ja
Priority to CA002191229A priority patent/CA2191229C/fr
Priority to JP8529298A priority patent/JPH10501591A/ja
Priority to MX9605989A priority patent/MX9605989A/es
Priority to AU22018/95A priority patent/AU686369B2/en
Priority to PCT/US1995/003949 priority patent/WO1996030584A1/fr
Publication of WO1996030584A1 publication Critical patent/WO1996030584A1/fr

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
    • D06M15/277—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof containing fluorine
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/2805—Compounds having only one group containing active hydrogen
    • C08G18/288—Compounds containing at least one heteroatom other than oxygen or nitrogen
    • C08G18/2885—Compounds containing at least one heteroatom other than oxygen or nitrogen containing halogen atoms
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4833—Polyethers containing oxyethylene units
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
    • D06M15/576—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them containing fluorine

Definitions

  • This invention relates to oil and water repellent compositions for the treatment of fabrics and other fiber containing substrates at ambient conditions, to the treated substrates and to methods of treating those substrates.
  • fluorochemicals have generally required the inclusion of significant amounts of organic solvents which may be undesirable.
  • organic solvents which may be undesirable.
  • fluorochemical compositions e.g., those which do not include significant organic solvents
  • fluorochemical compositions While more acceptable, has been less than satisfactory because such aqueous compositions have generally required the performance of additional steps in the application of the composition to a substrate, such as the application of heat to the treated substrate.
  • certain known tests are employed to measure the degree to which a substrate effectively repels water and oil under different conditions.
  • the present invention provides fluorochemical compositions suitable for application on a variety of fiber-containing substrates such as fabrics and textile fibers comprising cotton, nylon, polyester, polyolefin, acrylic, acetate, leather or blends thereof and materials such as apparel, upholstery and carpet to impart a broad range of oil and water repellent properties.
  • the compositions of the invention are water based formulations which may be applied to substrates and dried without thermal treatment, i.e., at ambient conditions.
  • Applicants have found that a class of fluorochemical acrylate polymers having a polymerizable cationic emulsifier incorporated with the polymer can be blended with polyurethane containing blends to provide a class of fabric protective compositions which exhibit improved oil and water repellency.
  • the invention provides a composition for treating fiber-containing substrates to impart improved oil and water repellency thereto, the composition comprising: (a) A polyalkoxylated polyurethane having pendant perfluoroalkyl groups, said polyalkoxylated polyurethane comprising the reaction product of an aliphatic or aromatic tri- or higher order isocyanate, a fluorinated alcohol, amine, or mercaptan, and a poly(oxyalkylene) diol or dithiol; and
  • a fluorochemical acrylate polymer comprising the reaction product of a fluorinated acrylate or methacrylate monomer, at least one alkyl acrylate or methacrylate monomer, and a polymerizable cationic emulsifier comprising a quaternary amine surfactant.
  • compositions preferably also include (c) an alkylene glycol fluoro acrylate polymer comprising the reaction product of a fluorinated acrylate or methacrylate monomer, polyalkylene glycol acrylate or methacrylate, and polyalkylene glycol diacrylate or dimethacrylate.
  • a fluorochemical adipate ester can be included in the compositions of the invention. The above components are blended together within the composition at a weight ratio of (a):(b), or (a)+(c):(b), or (a)+(c)+(d):(b) from 25: 1 to 1 :25 and more preferably, at a 1 : 1 weight ratio.
  • the fluorochemical acrylate polymers can be represented by the general formula:
  • R f is a fluoroaliphatic radical
  • Q is an organic linking group
  • R b and R b are the same or different and are selected from the group
  • R d , R d ', R d ", R d '" can be the same or different and are selected from the group consisting of H or -CH 3 ,
  • R a , R a ', R a " can be the same or different and are selected from the group consisting of an alkyl group having from 1 to 18 carbon atoms, R c is a saturated aliphatic (linear or branched) or cyclic alkyl, or a
  • cyclic and aliphatic alkyls having at least 1 and generally from 4 to 30 carbon atoms, and preferably from 8 to 20 carbon atoms;
  • Z is an anion selected from the group consisting of chloride, bromide, iodide, sulfonate, alkyl sulfonate, phosphate, and mixtures thereof; n 1 , n 2 , and n 3 are numbers which may independently range from 10 to 70, and
  • n 4 is a number which is at least 1 and generally is within the range from 1 to 6.
  • compositions of the invention are aqueous emulsions which include only minor amounts of organic solvent.
  • the compositions may include pH modifiers and corrosion inhibitors.
  • the aqueous compositions of the invention can be provided in aerosol form with the inclusion of an appropriate aerosol propellant such as isobutane, for example.
  • Gland conditions means at prevailing room temperature and humidity without additional thermal treatment and/or drying equipment.
  • Fiber-containing substrate or “substrate” means fabrics, textile fibers or filaments, fabrics made into finished products made from cotton polyester, polyolefin, nylon, acrylic, acetate, leather and blends of the foregoing as well as finished garments, upholstered furniture and carpet.
  • Polymerizable emulsifier means a class of quaternized organic salts which serve simultaneously as monomeric reactants and as stabilizing agents in emulsion polymerization. Unless indicated otherwise, “stabilizing agent”, “emulsifier” and “surfactant” are identical in meaning and are used interchangeably. In describing acrylate and methacrylate compounds, the term “(meth)acrylate” is intended to indicate both acrylate as well as methacrylate as equally plausible species.
  • the invention provides a method for treating substrates to provide oil and water repellency comprising treating a substrate with the composition of the invention and drying the treated substrate.
  • the invention also provides substrates having oil and water repellency when treated with the composition of the invention.
  • the fluorochemical compositions of the present invention are water based blends and can be applied to a variety of substrates at ambient conditions to provide a broad range of oil and water repellency properties, as described below.
  • the individual components in the compositions are discussed and described separately, as indicated.
  • compositions of the invention may include an alkylene glycol fluorochemical acrylate polymer (or "alkylene glycol fluoro acrylate”) comprising the reaction product of a fluorinated acrylate or methacrylate monomer, polyalkylene glycol acrylate or methacrylate monomer and polyalkylene glycol diacrylate or dimethacrylate monomer.
  • alkylene glycol fluoro acrylates are included within the more preferred embodiments of the invention to enhance the stability of the composition in the presence of minor amounts of coalescent solvents and especially in the presence of corrosion inhibitors added to the composition when formulating an aerosol blend.
  • the alkylene glycol fluoro acrylates also aid in the wetting of a substrate with the compositions of the invention.
  • Fluoro acrylate polymers useful in the present invention are disclosed, for example, in U.S. Pat. Nos. 5,350,795 (Smith et al.), 3,787,351 (Olson) and 4,795,793 (Amimoto et al.), all of which are incorporated herein by reference.
  • the preferred alkylene glycol fluoro acrylates have randomly arranged repeating units represented as
  • R f is a fluoroaliphatic radical
  • R 3 is H or CH 3
  • R 4 is an alkylene group having 2 to 4 carbon atoms
  • Q is an organic linking group and x is an integer of at least 5, generally 10 to 75 and can be as high as 100.
  • the fluoroaliphatic group ( R f ) is a stable, inert, nonpolar, preferably saturated monovalent moiety which is both oleophobic and hydrophobic.
  • the alkylene glycol fluoro acrylate preferably comprises from 2 to about 25 R f groups and preferably comprises about 5 percent to about 30 percent, and more preferably about 8 percent to about 20 percent fluorine by weight based on the total weight of the oligomer, with the fluorine being essentially in the Regroups.
  • R f preferably contains at least about 3 carbon atoms, more preferably 3 to about 25 carbon atoms, and most preferably about 6 to about 12 carbon atoms.
  • R f can contain straight chain, branched chain, or cyclic fluorinated alkyl groups or combinations thereof or combinations thereof with straight chain, branched chain, or cyclic alkyl groups.
  • R f is preferably free of polymerizable olefinic unsaturation and can optionally contain linking heteroatoms such as oxygen, divalent or hexavalent sulfur, or nitrogen. It is preferred that each R f contain about 40% to about 78% fluorine by weight, more preferably about 50% to about 78% fluorine by weight.
  • the terminal portion of the Regroup contains a fully fluorinated terminal group.
  • This terminal group preferably contains at least 7 fluorine atoms, i.e., CF 3 CF 2 CF 2 -, (CF 3 ) 2 CF-, -CF 2 SF 5 , or the like.
  • R f are the perfluorinated aliphatic groups, i.e., those of the formula C n F 2n+1.
  • the fluoroaliphatic group, R f is linked to the ester group by a linking group designated Q.
  • Linking group Q can be a covalent bond, a heteroatom, e.g., O or S, or an organic moiety.
  • Q is an organic moiety containing 1 to about 20 carbon atoms, and optionally containing oxygen, nitrogen-, or sulfur-containing groups or a combination thereof, and preferably free of functional groups (e.g., polymerizable olefinic double bonds, thiols, easily abstracted hydrogen atoms such as cumyl hydrogens, and other such functionality known to those skilled in the art) that substantially interfere with free-radical polymerization.
  • linking group Q examples include straight chain, branched chain, or cyclic alkylene, arylene, aralkylene, oxy, oxo, thio, sulfonyl, sulfinyl, imino, sulfonamido, carboxamido, carbonyloxy, urethanylene, ureylene, and combinations thereof such as sulfonamidoalkylene.
  • Preferred linking groups Q can be selected according to ease of preparation and commercial availability. Below is a partial representative list of suitable organic Q groups.
  • each k is independently an integer from 1 to about 20
  • g is an integer from 0 to about 10
  • h is an integer from 1 to about 20
  • R' is hydrogen, phenyl, or alkyl of 1 to about 4 carbon atoms
  • R" is alkyl of 1 to about 20 carbon atoms.
  • Q is preferably alkylene or sulfonamido, or sulfonamidoalkylene.
  • R 4 is an alkylene group having 2 to
  • the oxyalkylene units in the poly(oxyalkylene) may be the same, as in poly(oxypropylene), or may be a mixture, as in a straight or branched chain or randomly distributed oxyethylene and oxypropylene units or as in a straight or branched chain of blocks of oxyethylene units and blocks of
  • the poly(oxyalkylene) chain can be interrupted by or include one or more catenary linkages, though it is preferred that such linkages be free of reactive functional groups containing active hydrogen atoms, providing such linkages do not substantially alter the solubility-imparting character of the poly(oxyalkylene) chain.
  • active hydrogen atom as used in this application means a hydrogen atom (other than an amido hydrogen atom) which leads to chain transfer or chain termination during free radical polymerization.
  • the catenary linkages have three or more valences, they provide a means for obtaining a branched chain of oxyalkylene units.
  • the poly(oxyalkylene) radicals in the oligomers can be the same or different, and they can be pendant. It is also preferred that the molecular weight of the poly(oxyalkylene) radical be between about 500 and 5000 or higher, i.e., 100,000 or more, more preferably 2000 to 4000, in order to obtain a desired solubility.
  • the alkylene glycol fluoro acrylate polymers can be prepared, or example, by free radical initiated copolymerization of a fluoroaliphatic radical-containing acrylate with a poly(oxyalkylene) monoacrylate, diacrylate or mixtures thereof.
  • the molecular weight of the alkylene glycol fluoro acrylate polymer can be controlled by adjusting the concentration and activity of the initiator, concentration of monomers, and temperature, and by chain-transfer agents, such as thiols, e.g., n-octyl mercaptan.
  • Fluoroaliphatic acrylates such as those described in the above preparation, are known in the art (e.g., see U.S. Pat. Nos.
  • poly(oxyalkylene) acrylates used in the above preparation, and other acrylates useful for such purposes can be prepared from commercially available hydroxy and alkoxy poly(oxyalkylene) materials, such as those sold under the trade designations "PLURONIC” (available from BASF Corp. of Parsipanny, New Jersey), "CARBOWAX” and “TRITON” (available from Union Carbide Corp), by reacting such hydroxy materials in a known manner with acrylic acid, methacrylic acid, acryloyl chloride, or acrylic anhydride.
  • PLURONIC available from BASF Corp. of Parsipanny, New Jersey
  • CARBOWAX CARBOWAX
  • TRITON available from Union Carbide Corp
  • unsaturated monomers suitable for the preparation of the polymers of this invention for example by copolymerizing with corresponding poly(oxyalkylene)-containing, thermally ethylenically unsaturated comonomers, are known in the art (e.g., see U.S. Pat. Nos. 2,592,069, 2,995,542, 3,078,245, 3,081,274, 3,291,843 and 3,325,163, and the ethylenically unsaturated materials suitable for providing fluoroaliphatic radical-containing structural units disclosed in U.S. Pat. No.
  • alkylene glycol fluorochemical acrylate polymers may also optionally contain units derived from other monomers such as alkyl acrylates, vinylidene chloride, and n-methylol acrylamide.
  • a preferred polyethoxylated alkylene glycol fluoro acrylate is a
  • compositions according to the present invention will include a
  • polyurethane polyalkoxylated polyurethane
  • polyurethane preferably having pendant perfluoroalkyl groups and comprising the reaction product of an aliphatic tri- or higher order isocyanate, a fluorinated alcohol, amine or mercaptan, and a poly(oxyalkylene) diol or dithiol.
  • the urethanes useful in the compositions of the invention are commensurate in scope with those disclosed in the aforementioned U.S. Pat No. 5,350,795 (Smith et al.) and are represented by the formula:
  • R f is a fluoroaliphatic radical
  • R h is a non-fluorinated hydrocarbon radical
  • Q is an organic linking group
  • A is a residue of a tri- or higher order isocyanate, i.e., the residue being that portion of the tri- or higher order isocyanate minus the reacted—NCO groups,
  • R 1 ) y is a poly(oxyalkylene) moiety, R 1 being an oxyalkylene group with 2 to 6 carbon atoms or a cyclic ether or ester moiety having 2 to 6 carbon atoms and y is a number of about 10 to 50,
  • X is O, S or a linking group terminating in O or S, (e.g.,—CH 2 CH 2 O)
  • R 2 is a residue of a tri- or higher order isocyanate, two of the isocyanate groups of the tri- or higher order isocyanate forming the depicted urethane groups and the other isocyanate groups reacted to form pendant—QR f or—QR h groups
  • s is a number of at least 1 and can be 3 or higher
  • z is zero or a number of up to about 4,
  • s + z is a number of about 4 or higher
  • t is a number of at least about 10, preferably 15 to 35.
  • the polyalkoxylated polyurethanes have a weight average molecular weight of at least about 40,000, preferably about 65.000 to 250,000.
  • the polyalkoxylated polyurethanes depicted above there are a plurality of R f radicals which can be the same or different. This also applies to a plurality of Q, A, R 1 and R 2 groups.
  • the polyalkoxylated polyurethanes will contain about 5 to 40 weight percent, preferably about 10 to 30 weight percent, of carbon-bonded fluorine. If the fluorine content is less than about 10 weight percent, impractical large amounts of the polymer will generally be required, while fluorine contents greater than about 35 weight percent generally result in polymers which have too low a solubility to be efficiently used in the compositions of the invention.
  • the non-fluorinated hydrocarbon group R h is optionally included within the polyurethanes depicted above.
  • z is zero (e.g., the polyurethane includes no R h groups).
  • R h can be a straight chain, branched chain, or cyclic alkyl.
  • R h is preferably free of polymerizable olefinic unsaturation and can optionally contain catenary heteroatoms such as oxygen divalent or hexavalent sulfur, or nitrogen.
  • the non-fluorinated hydrocarbon group can optionally contain epoxide or aziridine functionalities.
  • the non-fluorinated hydrocarbon group contains about 1 to 36 carbon atoms, more preferably 10 to 24 carbon atoms.
  • R 1 y , R 1 is an oxyalkylene group having 2 to 4 carbon atoms, such as -OCH 2 CH 2 -, -OCH 2 CH 2 CH 2 -, -OCH(CH 3 )CH 2 -, and -OCH(CH 3 )CH(CH 3 )-,
  • the oxyalkylene units in the poly(oxyalkylene) may be the same, as in poly(oxypropylene), or they may be different such as in a mixture of straight or branched chain or randomly distributed oxyethylene and oxypropylene units or as in a straight or branched chain of blocks of oxyethylene units and blocks of oxypropylene units.
  • the poly(oxyalkylene) chain can be interrupted by or include one or more catenary linkages which may have three or more valences to provide a means for obtaining a branched chain or oxyalkylene units.
  • the molecular weight of the poly(oxyalkylene) radical can be about 750 to 2000, preferably about 900 to 1750.
  • R 2 which is a residue of a tri- or higher order isocyanate, can be formed from such isocyanate compounds as polyaromatic polyisocyanate ("Papi”) such as that available under the trade designation “VORANATE” M220 (available from Dow Chemical Co. of Midland, Michigan) or "DESMODUR" N-100,
  • the fluoroaliphatic radical-containing oxyalkylene urethanes used in this invention can be prepared in a known manner such as by condensation
  • fluorochemical urethanes can be included in the compositions of the invention, as known by those skilled in the art. Further descriptions of useful fluorochemical oxyalkylenes can be found in U.S. Pat. No. 3,787,351 and U.S. Pat. No. 4,289,892, for example. Fluorochemical Acrylate Polymers with Polymerizable Emulsifier
  • compositions of the invention further include fluorochemical acrylate polymers having copolymerizable surfactants incorporated therein.
  • the fluorochemical acrylate polymers comprise the polymerized reaction product of a fluorinated (meth)acrylate monomer; at least one alkyl (meth)acrylate monomer; and a polymerizable cationic emulsifier comprising a quaternary amine surfactant.
  • a preferred fluorochemical acrylate polymer is represented by the general formula
  • R f is a fluoroaliphatic radical, as above,
  • Q is an organic linking group, as above,
  • R b and R b ' are the same or different and are selected from the group
  • R d , R d ', R d ", R d “' can be the same or different and are selected from the group consisting of H or -CH 3 ,
  • R a , R a ', R a " can be the same or different and are selected from the group consisting of an alkyl group having from 1 to 18 carbon atoms,
  • R c is a saturated aliphatic (linear or branched) or cyclic alkyl, or a
  • n 1 , n 2 , and n 3 are numbers which may independently range from 10 to 70, and
  • n 4 is a number which is at least 1 and generally is within the range from 1 to 6.
  • R d , R d ', R d ", R d '" can be the same or different and are selected from the group consisting of H or -CH 3 , so that the acrylate and the methacrylate species are equally plausible for use as monomers in the above fluorochemical acrylate polymers.
  • Suitable fluorinated (meth)acrylate monomers useful in the invention are those selected from the group consisting of N-methyl perfluoro octylsulfonamidoethyl (meth)acrylate, N-ethyl perfluoro
  • the fluorinated (meth)acrylate monomer is N-methyl perfluoro octylsulfonamidoethyl acrylate.
  • the fluorinated (meth)acrylate monomer comprises from about 15 to about 40 mole percent, and, more preferably, between 20 and 30 mole percent of the total polymerizable species present in the final copolymer.
  • the fluorochemical acrylate polymer is made with at least one alkyl
  • alkyl (meth)acrylate monomer Preferably, two alkyl (meth)acrylate monomers are used in the preparation of the above polymer.
  • Suitable alkyl (meth)acrylate monomers are alkyl esters of acrylic or methacrylic acid wherein the alkyl groups, R a or R a ', are independently selected from the group of C 1 to C 18 alky Is which may be linear, branched, cyclic or polycyclic, within the above parameters.
  • Preferred alkyl (meth)acrylates are selected from the group consisting of methylacrylate, ethylacrylate, butylacrylate, hexylacrylate, isooctylacrylate, isodecylacrylate, octadecylacrylate ethylmethacrylate, butylmethacrylate, cyclohexylmethacrylate and mixtures thereof. More preferably, the alkyl (meth)acrylate monomers comprise an alkyl acrylate and an alkyl methacrylate and, most preferably are n-butyl acrylate and n-butyl methacrylate.
  • the polymerizable cationic emulsifier comprises a quaternary amine surfactant capable of entering into free radical polymerization reactions with one or more of the monomers used to synthesize the fluorochemical acrylate polymer.
  • the emulsifiers contain at least one carbon-carbon double bond situated so that the double bond is capable of entering into free radical
  • polymerization reactions e.g., the double bond is not stearically or electronically hindered.
  • the copolymerizable cationic emulsifiers are quaternary ammonium salts of of alkyl acrylates of the general formula
  • R a ", R b , R b ', R c , R d '", and Z, are as described above.
  • the cationic copolymerizable emulsifier comprises the reaction product of N,N-dimethylaminoethyl methacrylate and an alkyl halide having a carbon chain length from about 4 to about 30 carbon atoms and, more preferably, from about 8 to about 20 carbon atoms.
  • a preferred alkyl halide is hexadecylbromide because of its commercial availability as well as its ease of use in making emulsified polymers.
  • Other quaternary salts of the above formula are described in U.S. Letters Patent Nos. 3,780,092; 3,928,423; 3,936,492 and
  • the cationic copolymerizable emulsifier preferably comprises from about 0.5 percent to about 10 percent based on the total weight of the other monomers present in the fluorochemical acrylate polymer, and most preferably, from about 2 to about 6 percent.
  • the quaternary ammonium salt can be prepared first by reacting N,N-dimethylaminoethyl methacrylate and an alkyl halide according to the General Preparative Procedure A herein.
  • the emulsifier and the other monomers are then emulsion polymerized.
  • Water, the fluorinated monomer(s) the alkyl (meth)acrylate monomer(s) and the surfactant are homogenized in a known manner at elevated temperatures (e.g., 55 to 70 °C).
  • the emulsion is treated with a suitable water soluble free-radical initiator under a nitrogen blanket.
  • the initiator is preferably added to the emulsion to provide a concentration of initiator of between about 0.05% to 2% and preferably 0.1 to 0.5% by weight based on the total weight of the monomers in the emulsion.
  • concentration of initiator of between about 0.05% to 2% and preferably 0.1 to 0.5% by weight based on the total weight of the monomers in the emulsion.
  • Suitable initiators include 2,2'-azobis-(2-cyanopropane-1-sulfonate), 2,2'-azobis-(2-amidinopropane)dihydrochloride, ⁇ , ⁇ -azobis-butyramidinium chloride, and azobis-(N,N'-dimethylene isobutyramidine) and its salts with strong acids and mixtures thereof.
  • a preferred water soluble initiator is 2,2'-azobis-(2-amidinopropane)dihydrochloride, available under the trade designation "V-50" from Wako Chemicals USA, Inc. of Richmond, Virginia.
  • V-50 is 2,2'-azobis-(2-amidinopropane)dihydrochloride
  • the resulting polymeric emulsion may be diluted with water prior to blending the polymer with the other components in the compositions of the invention, as is further described below.
  • fluorochemical esters may be included within the compositions of the invention.
  • the esters useful in the compositions of the invention are commensurate in scope with those disclosed in the aforementioned U.S. Pat No. 5,350,795. These esters may be included within the compositions to help maintain a high level of repellency for the treated fabric after the fabric is abraded, for example.
  • the treated substrates may experience somewhat diminished repellency after being subjected to conditions of abrasion, but the compositions are still useful in the treatment of substrates, as described herein.
  • Fluorochemical esters useful in the present invention can be formed by reacting a perfluoroalkyl aliphatic alcohol or mixture of alcohols with mono- or polycarboxylic acids which can contain other
  • a particularly preferred fluorochemical ester is the fluorochemical adipate ester which represented by the formula
  • the fluorochemical adipate ester can be prepared by reacting a precursor fluoroaliphatic radical- and chlorine-containing alcohol with adipic acid.
  • a most preferred ester is represented by the formula
  • a method of preparing the alcohol precursors is by reaction of
  • epichlorohydrin with a fluoroaliphatic radical-containing alcohol.
  • fluoroaliphatic radical-containing alcohol Readily available alcohols which can be used in this preparation are those corresponding to the formula
  • R f and Q are as defined above,
  • R 5 is hydrogen or a lower alkyl
  • R 6 is hydrogen, lower alkyl, or aryl of 6 to 12 carbons and R 5 and R 6 can be connected together to form a cyclic structure, aromatic or cycloaliphatic, including the hydroxyl-bearing carbon atom.
  • fluoroaliphatic radical-containing alcohols When the fluoroaliphatic radical-containing alcohols are reacted with epichlorohydrin to form the corresponding fluoroaliphatic alcohols, the latter can correspond to the formula
  • R f , Q, R 1 and R 2 are as defined above and p is an integer from 1 to 5.
  • fluoroaliphatic radical- and chlorine-containing alcohols are those disclosed, for example, in U.S. Pat. No. 4,043,823 (Loudas) and U.S. Pat. No. 4,289,892 (Soch).
  • compositions of the invention comprise a blend of the above described ingredients and the preparation of such blends is set forth in detail in the General Preparative Procedures and in the Examples herein.
  • the compositions of the present invention comprise a blend of first and second major components wherein the first major component comprises polyalkoxylated polyurethane, preferably with polyalkylene glycol fluorochemical acrylate copolymer and, optionally including a fluorochemical adipate ester, all as described above.
  • the second major component comprises fluorochemical acrylate polymer with the polymerizable cationic emulsifier, also as described above.
  • the polyurethane in aqueous emulsion, can be used alone and may be prepared following the General
  • Preparative Procedure B herein e.g., about 15% solids
  • the alkylene glycol fluoro acrylate may be prepared according to the General Preparative Procedure C, allowing for changes in the monomers and the substituent groups according to the parameters set forth above.
  • the alkylene glycol fluoro acrylate is blended with the polyurethane to provide a weight ratio of polyurethane:alkylene glycol fluoro acrylate of about 3:2.
  • the polyurethane, the alkylene glycol fluoro acrylate and the ester are blended in deionized water, stirred to promote thorough mixing and excess solvent is stripped from the mixture to give a blend which is preferably from about 5% to about 20% solids in water and more preferably between 10% and 16%.
  • the polyurethane is present within the first component at a weight percent of between about 50% and 90% and most preferably about 50%.
  • the alkylene glycol fluoro acrylate may be present at a weight percent of 10% to 50% and most preferably about 33%.
  • the optional adipate ester is generally present at a weight percent of 10% to 20% and most preferably about 17%.
  • the fluorochemical acrylate polymer is made as an aqueous emulsion and generally following the General Preparative Procedure A while allowing for changes of the monomers and the substituent groups according to the general parameters set forth herein.
  • the two major components are blended in deionized water to achieve a preferred solids content of about 3 percent by weight and a solids weight ratio between the two components ranging from about 25 : 1 and 1 :25 and more preferably from 9: 1 to 1 :9. Most preferably, the two major components are blended to achieve a solids weight ratio of about 1 :1 in the finished composition.
  • coalescing solvents are then added along with minor amounts of other solvent (e.g., alcohol) to increase fabric wetting, improve the stability of the composition and reduce the likelihood of residue formation on the treated substrate.
  • Aerosol propellants such as isobutane and the like are used in packaging the compositions in aerosol form.
  • known corrosion inhibitors are preferably included within such aerosol products to prevent corrosion within the steel cans normally used to package such products.
  • Suitable coalescing solvents include the alkylene glycol ethers such as dipropylene glycol mono n-butyl ether, propylene glycol mono methyl ether, dipropylene glycol mono n-propyl ether, esters thereof and mixtures of the foregoing. Assuming a preferred solids concentration in the composition of about 3%, The coalescing solvents are present within the composition at a total weight percentage from about 2% to 10% and preferably about 4%. A small amount of an of an alkylol such as ethyl alcohol or isopropanol may be added to as an additional solvent as an aid to the stability of the composition and to prevent freezing.
  • alkylene glycol ethers such as dipropylene glycol mono n-butyl ether, propylene glycol mono methyl ether, dipropylene glycol mono n-propyl ether, esters thereof and mixtures of the foregoing. Assuming a preferred solids concentration in the composition of about 3%,
  • the alcohol is present at a weight percent in the finished composition of between about 0.5% and 3% and most preferably 1%.
  • suitable solvents and their relative concentrations within the composition is within the skill of those practicing in the field.
  • Suitable corrosion inhibitors include morpholine, ammonium hydroxide (30%), sodium nitrite, alkyl amines and combinations thereof.
  • the concentrations of corrosion inhibitors is typically less than 1% by weight and most preferably is between about 0.5% and 1.0%, assuming a solids concentration in the composition of about 3%.
  • a fast-breaking foam composition can be formulated with the addition of pH modifiers to the aerosol formulation mentioned above.
  • a foam product may be desirable to enable the user of the composition to easily see where a treatment has been applied to thereby avoid over application of the composition as well as increased drying times.
  • Anti-soiling agents may also be added to the compositions of the invention.
  • Such agents are defined as materials which are solid, non-tacky water soluble or water dispersible and which, upon drying of the composition, are capable of rendering the substrate non-tacky and resistant to soiling.
  • the inclusion of the anti-soiling agents within the compositions of the invention is optional.
  • compositions described herein may be applied to a wide variety of fiber-containing substrates.
  • substrates include textile fibers (or filaments) and fabrics, (including fabrics made into finished products) made from cotton, polyester, polyolefin, nylon, acrylic, acetate or blends thereof, as well as leather, finished garments, upholstered furniture and installed carpet.
  • Individual fibers or filaments can be treated with the compositions of the invention as well as aggregate forms of such filaments or fibers (e.g., yarn, tow, web as well as woven or knit fabric).
  • These substrates can be treated with the compositions of the invention by applying the compositions thereto using known techniques customarily used in applying fluorochemicals to fibers and fabrics.
  • compositions can be applied to finished products such as apparel and upholstered furniture without the need for thermal curing and will provide excellent oil and water repellency without the inclusion of significant amounts of organic solvents.
  • Suitable application techniques for applying these compositions include, for example, spraying, brushing, immersion or foaming.
  • the amount of the compositions applied to the substrate is typically about 0.5 to 6 weight % solids and, more preferably, 1 to 4 weight % solids based on the weight of the fiber or fabric.
  • treated substrates are tested for oil and water repellency according to the following test methods.
  • the oil repellency of treated substrates is measured by the American Association of Textile Chemists and Colorists (AATCC) Test Method No.
  • the abraded oil repellency test also provides a relative value of the substrates' oily stain resistance.
  • the treated substrate is first placed on an ATTCC Crockmeter (as used in AATCC Test Method 8-1985 and commercially available from Atlas Electric Devices Co. of Chicago, Illinois) and subjected to 20 cycles of rubbing abrasion using a 1.6 centimeter disk of grade 600 abrasive paper (available under the trade designation "Wetordry Tri-M-ite" from Minnesota Mining and Manufacturing Company of St. Paul, Minnesota).
  • the test substrate is treated in the same manner as in the oil repellency test described above using the same test oils. In general, an oil repellency of 4 or greater is desirable.
  • the water/alcohol drop repellency test tests the ability of the substrate to repel various blends of water and isopropyl alcohol. Test drops of the liquid solutions are progressively applied to the treated substrate and, after 30 seconds, if the applied solution does not soak into the substrate, the solution is wicked or wiped away with a paper tissue and the surface of the substrate is observed for surface wetting. Eleven blends of water and alcohol are used (see table 2, below) with 100% water being the easiest to repel and 100% isopropyl alcohol being the most difficult.
  • the treated substrate is given a number value corresponding to the solution having the highest concentration of isopropyl alcohol which the treated substrate was able to repel without observed wetting. For example, a substrate is given a value of 4 if it is able to repel the solution of 60% water and 40% isopropyl alcohol.
  • the water spray test follows AATCC Test Method 22.
  • the treated substrate is rated for water repellency as determined by the pattern of surface wetting described in table 3 below.
  • the treated substrate is held taut within a 15-centimeter diameter ring at a 45° angle.
  • 250 milliliters of water at a temperature of 27°C ( ⁇ 1°C) is dropped onto the substrate from a distance of 15.2 centimeters above the center of the substrate.
  • the substrate is tapped lightly to remove excess water and is rated in a manner consistent with that shown in table 3.
  • a higher number indicates better water repellency and, in general, a number of 65 or higher is desirable.
  • the wet-through rating is performed on a treated substrate immediately following the water spray test, described above.
  • the treated substrate which was rated in the above water spray test is immediately turned over and the back side of the substrate is visually observed and is touched by the observer to determine whether water has seeped through.
  • a wet-through value from 1 to 6 is then given to the treated substrate, depending on the degree of "wetness.”
  • a value of " 1 " signifies the back of the substrate is thoroughly wet, while a value of "6" indicates the substrate is completely dry.
  • a composite repellency rating is tabulated for each composition on each substrate by summing the values obtained in each of the above test methods with the exception that the rating obtained in the water spray test is first divided by 10.
  • the maximum composite repellency rating possible is 42.
  • Fluorochemical Acrylate Polymer With Polymerizable Cationic Emulsifier A reaction vessel fitted with a condenser, a mechanical stirer, and a thermometer is charged with 9.0 grams of N,N-dimethylaminoethyl methacrylate (available from Aldrich Chemicals of Milwaukee, Wisconsin), 0.036 grams of butylated hydroxy toluene (BHT) (Aldrich Chemicals ), 18.8 grams acetone and 17.5 grams 1-bromohexadecane (Aldrich Chemicals) The mixture is heated at 75°C (165°-170° F) until the unreacted amine is below 0.05%, as determined by gas chromatography.
  • N,N-dimethylaminoethyl methacrylate available from Aldrich Chemicals of Milwaukee, Wisconsin
  • BHT butylated hydroxy toluene
  • acetone 18.8 grams
  • 1-bromohexadecane Aldrich Chemicals
  • reaction solution is then cooled and the formation of a precipitate is observed.
  • ethylacetate Aldrich Chemicals
  • ethylacetate Aldrich Chemicals
  • 16°C 16° F
  • a white solid (2-(dimethyl hexadecylamino) ethylmethacrylate bromide) precipitates from the solution and the solid is filtered and washed twice with cold ethyl acetate and is dried in a vacuum oven at 50° C for 8 hours.
  • the emulsion is transferred to a 16 ounce (0.47 liter) amber bottle and is treated with 0.06 grams of a free radical initiator, 2,2'-azobis-(2-amidinopropane)dihydrochloride ("V-50" from Wako Chemicals USA, Inc.), and nitrogen is bubbled through the emulsion for 1 minute.
  • V-50 2,2'-azobis-(2-amidinopropane)dihydrochloride
  • the bottle is capped and kept at 60°C while mixing at about 50 rpm in a launderometer for 5 hours.
  • the resulting latex (about 30% solids) is cooled, filtered and is then ready for use in the formulations below.
  • polyurethane solution is added to a 1-liter, 3-necked flask equipped with a mechanical stirrer, dropping funnel, thermometer and a heating mantle and heated to 65° C.
  • Distilled water 510 grams heated to 65° C is slowly added with vigorous stirring. The resulting mixture is stirred for 10 minutes and ethyl acetate is removed by vacuum stripping to provide a translucent dispersion of about 15% solids.
  • a poly (oxyalkalene) acrylate solution is first prepared by adding 120 grams toluene, 90 grams of a difunctional block-polymer with terminal hydroxyl groups (available under the trade designation "PLURONIC" 44 from BASF
  • thermometer and a reflux condenser are added 184.6 grams of the polyurethane reaction mixture (in ethyl acetate and before adding water), as in General
  • Preparative Procedure B 178.7 grams of acrylate copolymer made according to General Preparative Procedure C, 36 grams fluorochemical adipate ester made according to General Preparative Procedure D, 125 grams ethyl acetate and 960 grams deionized water. The resulting mixture is vigorously stirred for 1 hour while be heated to 65° - 70° C. Solvent is removed by vacuum stripping and about 750 grams of water is added as necessary to make a stable dispersion of about 12% solids.
  • composition was made as in Example 1, except that 0.5 grams of the fluorochemical acrylate polymer, 23.8 grams of a blend made according to the above Procedure E and 71.2 grams deionized water were used to formulate a blend having a weight ratio of the fluorochemical acrylate polymer: [polyurethane + polyalkylene glycol fluorochemical acrylate copolymer + adipate ester] of about 1 :19.
  • composition was made as in Example 1, except that 1.0 grams of the fluorochemical acrylate polymer, 22.5 grams of a blend made according to the above Procedure E and 72 grams deionized water were used to formulate a blend having a weight ratio of the fluorochemical acrylate polymer: [polyurethane + polyalkylene glycol fluorochemical acrylate copolymer + adipate ester] of about 1 :9.
  • Example 4 Another composition was made as in Example 1, except that 9.0 grams of the fluorochemical acrylate polymer, 2.5 grams of a blend made according to the above Procedure E and 84 grams deionized water were used to formulate a blend having a weight ratio of the fluorochemical acrylate polymer:[polyurethane + polyalkylene glycol fluorochemical acrylate copolymer + adipate ester] of about 9:1.
  • Example 2 Another composition was made as in Example 1, except that 9.5 grams of the fluorochemical acrylate polymer, 1.25 grams of a blend made according to the above Procedure E and 84.75 grams deionized water were used to formulate a blend having a weight ratio of the fluorochemical acrylate polymer: [polyurethane + polyalkylene glycol fluorochemical acrylate copolymer + adipate ester] of about 19:1.
  • Example 2 Another composition was made as in Example 1, except that 1.7 grams of the fluorochemical acrylate polymer, 4.2 grams of a blend made according to the above Procedure E and 89.6 grams deionized water were used to formulate a blend comprising about 1% solids.
  • the weight ratio of the fluorochemical acrylate polymer: [polyurethane+ polyalkylene glycol fluorochemical acrylate copolymer+ adipate ester] was about 1 :1.
  • Example 8 Another composition was made as in Example 1 , except that 10 grams of the fluorochemical acrylate polymer, 25 grams of a blend made according to the above Procedure E and 60.5 grams deionized water were used to formulate a blend comprising about 6% solids.
  • the weight ratio of the fluorochemical acrylate polymer: [polyurethane+ polyalkylene glycol fluorochemical acrylate copolymer+ adipate ester] was about 1 :1.
  • a fluorochemical acrylate polymer was made according to the above Procedure A except that the bromide salt monomer was substituted with 3.12 grams of a 75% solids solution of 2-(trimethyl-amino)ethylmethacrylate chloride salt in water. 78.0 grams deionized water, 5.0 grams of the fluorochemical acrylate polymer and 12.5 grams of a blend made according to the above Procedure E were blended under constant stirring. 2.5 grams dipropylene glycol mono-n-butyl ether, 1.0 gram propylene glycol mono methyl ether and 1.0 gram ethanol were then added to the flask while constantly stirring. The resulting solution comprised about 3% solids and the weight ratio of the fluorochemical acrylate polymer:
  • polyurethane+ polyalkylene glycol fluorochemical acrylate copolymer+ adipate ester was about 1 :1.
  • a fluorochemical acrylate polymer was made according to the above
  • Procedure A except that bromodocosane replaced the bromohexadecane to make 2-(dimethyldocosaneamino)ethylmethacrylate bromide salt.
  • 78.0 grams deionized water, 5.0 grams of the fluorochemical acrylate polymer and 12.5 grams of a blend made according to the above Procedure E were blended under constant stirring. 2.5 grams dipropylene glycol mono-n-butyl ether, 1.0 gram propylene glycol mono methyl ether and 1.0 gram ethanol were then added to the flask while constantly stirring.
  • the resulting solution comprised about 3% solids and the weight ratio of the fluorochemical acrylate polymer: [polyurethane+ polyalkylene glycol fluorochemical acrylate copolymer+ adipate ester] was about 1 :1.
  • Example 10 A fluorochemical acrylate polymer was made according to the above Procedure A except that the butyl acrylate and butyl methacrylate were substituted with 23.26 grams of methyl acrylate. As in Example 1, 78.0 grams deionized water, 5.0 grams of the fluorochemical acrylate polymer and 12.5 grams of a blend made according to the above Procedure E were blended under constant stirring. 2.5 grams dipropylene glycol mono-n-butyl ether, 1.0 gram propylene glycol mono methyl ether and 1.0 gram ethanol were then added to the flask while constantly stirring.
  • the resulting solution comprised about 3% solids and the weight ratio of the fluorochemical acrylate polymer: [polyurethane+ polyalkylene glycol fluorochemical acrylate copolymer+ adipate ester] was about 1 :1.
  • a fluorochemical acrylate polymer was made according to the above Procedure A except that the butyl acrylate and butyl methacrylate were substituted with 23.26 grams of octadecyl acrylate.
  • 78.0 grams deionized water, 5.0 grams of the fluorochemical acrylate polymer and 12.5 grams of a blend made according to the above Procedure E were blended under constant stirring. 2.5 grams dipropylene glycol mono-n-butyl ether, 1.0 gram propylene glycol mono methyl ether and 1.0 gram ethanol were then added to the flask while constantly stirring.
  • the resulting solution comprised about 3% solids and the weight ratio of the fluorochemical acrylate polymer: [polyurethane+ polyalkylene glycol fluorochemical acrylate copolymer+ adipate ester] was about 1 :1.
  • a fluorochemical acrylate polymer was made according to the above Procedure A except that the butyl acrylate and butyl methacrylate were substituted with 23.26 grams of methyl acrylate. 81.7 grams deionized water, 6.7 grams of the fluorochemical acrylate polymer and 7.1 grams of a polyurethane/acrylate polymer blend made according to the above Procedure F were blended under constant stirring. 2.5 grams dipropylene glycol mono-n-butyl ether, 1.0 gram propylene glycol mono methyl ether and 1.0 gram ethanol were then added to the flask while constantly stirring. The resulting solution comprised about 3% solids and the weight ratio of the fluorochemical acrylate polymer: [polyurethane+ polyalkylene glycol fluorochemical acrylate copolymer] was about 2: 1.
  • Example 16 Another composition was prepared as in Example 13 except that 81.7 grams deionized water, 6.7 grams of the fluorochemical acrylate polymer made according to the above Procedure A and 7.1 grams of a polyurethane/acrylate polymer blend made according to the above Procedure F were used.
  • the resulting solution comprised about 3% solids and the weight ratio of the fluorochemical acrylate polymer: [polyurethane+ polyalkylene glycol fluorochemical acrylate copolymer] was about 2:1
  • a polyurethane polymer was prepared according to the above Procedure B except that a propylene oxide, ethylene oxide copolymer available under the trade designation "Pluronic” L62 (from BASF Corporation of Parsippany, New Jersey) was used in place of the ethylene glycol ("Carbowax" 1450).
  • a propylene oxide, ethylene oxide copolymer available under the trade designation "Pluronic” L62 from BASF Corporation of Parsippany, New Jersey
  • ethylene glycol Carbowax 1450
  • a polyurethane polymer was prepared according to the above Procedure B except that the "Desmodur"N100 triisocyanate was replaced with “Desmodur” N3300 triisocyanate and the "Carbowax” 1450 ethylene glycol was replaced with “Carbowax” 400 ethylene glycol.
  • 80.5 grams deionized water, 5.0 grams of the fluorochemical acrylate polymer made according to the above Procedure A and 10 grams of the polyurethane were blended under constant stirring. 2.5 grams dipropylene glycol mono-n-butyl ether, 1.0 gram propylene glycol mono methyl ether and 1.0 gram ethanol were then added to the flask while constantly stirring.
  • the resulting solution comprised about 3% solids and the weight ratio of the fluorochemical acrylate
  • polymer:polyurethane was about 1 :1.
  • a composition was formulated as in Example 1 except that 72.5 grams of deionized water was used and the glycol ethers and the alcohol of Example 1 were substituted with 10 grams dipropylene glycol mono-n-propyl ether.
  • Example 1 99.45 grams of a composition prepared according to Example 1 was formulated as an aerosol with 0.2 grams morpholine, 0.2 grams sodium nitrite and 0.15 grams ammonium hydroxide solution (30% in water) with stirring. The liquid was packaged in an aerosol can and 5.0 to 5.5 grams of isobutane was added as a propellant.
  • Comparative Example E The commercial product was an aerosol version of a fabric protector available under the trade designation "ScotchGard" from
  • compositions of the above Examples and the Comparative Examples were tested on different substrates according to the above Test Procedures. All substrates were prepared by hand-spraying 20.3cm by 22.9cm areas with the compositions. Care was taken to apply an even coverage of each composition used so that the dried add-on weight was about 2-3% of the weight of the dried fabric. The treated substrates were dried overnight at ambient conditions prior to testing.
  • the fabric substrates employed in the testing are identified as follows:
  • Fabric A is a bleached and washed polyester/cotton blend (65% polyester/35% cotton) commercially available under the style no. 7436 from Testfabrics, Inc. of Middlerex, New Jersey.
  • Fabric B is a cotton sateen (100% cotton) weave which is desized and bleached available under the style no. 428 from Testfabrics, Inc
  • Fabric C is an untreated, unfinished green rayon velvet upholstery fabric available from Collins & Aikman, Decorative Fabrics Division of Roxboro, North Carolina.
  • Fabric D is a polypropylene velvet upholstery fabric available under the style no.62521 from Joan Fabrics of Lowell, Massachusetts.
  • Fabric E is a woven upholstery fabric comprising 48% olefin/18% rayon/34% polyester available under the style no. 9352 from Chromatex of West Hazelton, Pa.
  • compositions of the invention as compared with the compositions of the invention
  • Table 4 shows the compositions of the present invention include a broader range of protective properties than the compositions of the Comparative Examples. Also, aerosol stability is typical for compositions of the invention.
  • Example 1 The data for the fabric treated with the compostion of Example 1 set forth in Table 4, for example, demonstrates better abraded oil resistance than the fabric treated with the composition of Comparative A. Also, the composition of Example 1 provides aerosol stability which is not provided by the Comparative A
  • Examples 8-1 1 represent inventive compositions made from monomers different than those used in the formulation of Example 1.
  • Comparative E represents a solvent based formulation.
  • the data demonstrates that the compositions of the invention provide oil and water repellency which is at least as effective as that provided by such a solvent based formulation (e.g.. compare Comparative E with Example 1).
  • Example 12-18 demonstrate the effeciveness of inventive compositions comprising variations of components, consistent with the above description.
  • Example 19 and Comparative Examples E and F Data was collected for Fabrics A, B, C, D and E and is set forth in Table 6 below.
  • Example 19 The above data demonstrates the superior protective abilities of the inventive composition of Example 19 when compared with the water-based aerosol formulations of Comparative Example F, especially for Fabrics A, D and E, as reflected in the composite scores.
  • the water based aerosol of Example 19 gave at least comparable performance for the solvent based composition of Comparative Example E overall, with improved performance over Comparative E noted on Fabric D.

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  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

L'invention a pour objet des compositions hydrophobes et oléophobes pour le traitement de substrats à base de fibres et similaires, des substrats traités par ces compositions et des procédés pour traiter ces substrats. Les compositions selon la présente invention comprennent (a) un polyuréthane polyalcoxylaté et (b) un polymère d'acrylate fluorochimique comprenant le produit de réaction polymérisé d'un monomère de méthacrylate ou acrylate fluoré, au moins un monomère de méthacrylate ou d'acrylate d'alkyle et un émulsifiant cationique polymérisable comprenant un agent tensio-actif à amine quaternaire. En outre, (c) un copolymère d'acrylate fluorochimique de polyalkylène glycole et (d) un ester d'adipate fluorochimique peuvent également être inclus dans ces compositions. Les composants susmentionnés sont mélangés ensemble dans la composition, avec des rapports de poids de (a):(b), ou (a) + (c):(b), ou (a)+(c)+(d):(b) compris entre 19:1 et 1:19 et de préférence d'environ 1:1. Les compositions peuvent être appliquées à une variété de substrats à base de fibres pour obtenir une large gamme de propriétés hydrophobes et oléophobes.
PCT/US1995/003949 1995-03-31 1995-03-31 Compositions aqueuses hydrophobes et oleophobes WO1996030584A1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
KR1019960706775A KR970703465A (ko) 1995-03-31 1995-03-31 방유 및 방수성 수성 조성물(aqueous oil and water repellent compositions)
US08/737,686 US5725789A (en) 1995-03-31 1995-03-31 Aqueous oil and water repellent compositions
JP1996529298A JP3760219B6 (ja) 1995-03-31 油および水反発性水性組成物
CA002191229A CA2191229C (fr) 1995-03-31 1995-03-31 Compositions aqueuses hydrophobes et oleophobes
JP8529298A JPH10501591A (ja) 1995-03-31 1995-03-31 油および水反発性水性組成物
MX9605989A MX9605989A (es) 1995-03-31 1995-03-31 Composiciones acuosas repelentes al aceite y al agua.
AU22018/95A AU686369B2 (en) 1995-03-31 1995-03-31 Aqueous oil and water repellent compositions
PCT/US1995/003949 WO1996030584A1 (fr) 1995-03-31 1995-03-31 Compositions aqueuses hydrophobes et oleophobes

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CA002191229A CA2191229C (fr) 1995-03-31 1995-03-31 Compositions aqueuses hydrophobes et oleophobes
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1001073A1 (fr) * 1998-11-13 2000-05-17 Asahi Glass Company Ltd. Composition antisalissure sous forme de dispersion aqueuse et fibres textiles traitées avec celle-ci
WO2005007967A3 (fr) * 2003-07-11 2005-03-24 Du Pont Apprets fluorochimiques destines a des applicateurs de peinture
WO2006046643A1 (fr) * 2004-10-29 2006-05-04 Daikin Industries, Ltd. Préparation fluorée pour traitement
CN1300192C (zh) * 2004-09-17 2007-02-14 浙江大学 抗油抗水剂用全氟丙烯酸酯共聚物水分散细乳液的制备方法
WO2009009280A1 (fr) * 2007-07-10 2009-01-15 E. I. Du Pont De Nemours And Company Produits fluorochimiques amphotères pour le papier
CN103255683A (zh) * 2013-04-26 2013-08-21 李素英 中间隔离的纸品加工方法及隔离纸
WO2016073222A1 (fr) * 2014-11-03 2016-05-12 3M Innovative Properties Company Compositions fluorées, procédés et articles

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0109171A1 (fr) * 1982-10-13 1984-05-23 Minnesota Mining And Manufacturing Company Copolymères fluorés, papiers enfournables et fibres textiles ainsi traitées
WO1993001349A1 (fr) * 1991-07-10 1993-01-21 Minnesota Mining And Manufacturing Company Compositions impermeables a l'eau et aux huiles aqueuses

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0109171A1 (fr) * 1982-10-13 1984-05-23 Minnesota Mining And Manufacturing Company Copolymères fluorés, papiers enfournables et fibres textiles ainsi traitées
WO1993001349A1 (fr) * 1991-07-10 1993-01-21 Minnesota Mining And Manufacturing Company Compositions impermeables a l'eau et aux huiles aqueuses

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1001073A1 (fr) * 1998-11-13 2000-05-17 Asahi Glass Company Ltd. Composition antisalissure sous forme de dispersion aqueuse et fibres textiles traitées avec celle-ci
US6251984B1 (en) 1998-11-13 2001-06-26 Asahi Glass Company Ltd. Aqueous dispersion type antisoiling composition
WO2005007967A3 (fr) * 2003-07-11 2005-03-24 Du Pont Apprets fluorochimiques destines a des applicateurs de peinture
US7258925B2 (en) 2003-07-11 2007-08-21 E.I. Du Pont De Nemours And Company Fluorochemical finishes for paint applicators
CN1300192C (zh) * 2004-09-17 2007-02-14 浙江大学 抗油抗水剂用全氟丙烯酸酯共聚物水分散细乳液的制备方法
WO2006046643A1 (fr) * 2004-10-29 2006-05-04 Daikin Industries, Ltd. Préparation fluorée pour traitement
US8197590B2 (en) 2004-10-29 2012-06-12 Daikin Industries, Ltd. Fluorine-containing treatment composition
WO2009009280A1 (fr) * 2007-07-10 2009-01-15 E. I. Du Pont De Nemours And Company Produits fluorochimiques amphotères pour le papier
US8071489B2 (en) 2007-07-10 2011-12-06 E. I. Du Pont De Nemours And Company Amphoteric fluorochemicals for paper
CN103255683A (zh) * 2013-04-26 2013-08-21 李素英 中间隔离的纸品加工方法及隔离纸
WO2016073222A1 (fr) * 2014-11-03 2016-05-12 3M Innovative Properties Company Compositions fluorées, procédés et articles

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