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WO2002012381A1 - Compositions polymeres et corps moule fabrique a partir de ces compositions contenant des alcaloides - Google Patents

Compositions polymeres et corps moule fabrique a partir de ces compositions contenant des alcaloides Download PDF

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Publication number
WO2002012381A1
WO2002012381A1 PCT/EP2001/007714 EP0107714W WO0212381A1 WO 2002012381 A1 WO2002012381 A1 WO 2002012381A1 EP 0107714 W EP0107714 W EP 0107714W WO 0212381 A1 WO0212381 A1 WO 0212381A1
Authority
WO
WIPO (PCT)
Prior art keywords
shaped body
alkaloid
cellulose
polymer composition
body according
Prior art date
Application number
PCT/EP2001/007714
Other languages
German (de)
English (en)
Inventor
Stefan Zikeli
Original Assignee
Zimmer Ag
Stefan Zikeli
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 Zimmer Ag, Stefan Zikeli filed Critical Zimmer Ag
Priority to GB0302452A priority Critical patent/GB2389853B/en
Priority to AU2001281956A priority patent/AU2001281956A1/en
Publication of WO2002012381A1 publication Critical patent/WO2002012381A1/fr

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/425—Cellulose series
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/28—Polysaccharides or their derivatives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/34—Heterocyclic compounds having nitrogen in the ring
    • C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
    • C08K5/3432—Six-membered rings
    • C08K5/3435—Piperidines
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/02—Cellulose; Modified cellulose
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L89/00—Compositions of proteins; Compositions of derivatives thereof
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/10—Other agents for modifying properties
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/425—Cellulose series
    • D04H1/4258—Regenerated cellulose series
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion

Definitions

  • the invention relates to a polymer composition which comprises a biodegradable polymer, the use thereof for the production of a shaped body, the shaped body produced from the polymer composition, a process for its production and use and a garment which comprises the shaped body in the form of fibers.
  • US Pat. No. 5,766,746 describes a nonwoven made of cellulose fibers which contain a flame-retardant, phosphorus-containing component.
  • US-A-5,565,007 describes modified rayon fibers with a modifier to improve the coloring properties of the fibers.
  • US-A-4,055,702 describes melt-spun, cold-drawn fibers made of a synthetic, organic polymer with additives.
  • additives can be receptors, flame retardants, antistatic agents, stabilizers, powdery mildew inhibitors or antioxidants.
  • a “Lyocell fiber” is also known from “Lenzinger reports", 76/97, page 126, which was spun from a cellulose solution in N-methylmorpholine-N-oxide (hereinafter "NMMNO”) which contains 0.5 to 5% by weight. , based on the weight of the cellulose, can be incorporated in crosslinking agents to improve the wet abrasion value.
  • NMMNO N-methylmorpholine-N-oxide
  • lyocell fiber carboxymethylchitin, carboxymethylchitosan or polyethyleneimine to improve the fungicidal properties, polyethyleneimine for metal ion adsorption and dye absorption, hyaluronic acid to improve the bactericidal properties, xanthan, guarane, carubin, bassorin or starch for processing.
  • WO 98/58015 further describes a composition which contains fine solid particles for admixing to a moldable solution of cellulose in an aqueous tertiary amine oxide.
  • the composition consists of solid particles, tertiary amine oxide, water and at least one other substance. This additional substance can be a stabilizer or a dispersant.
  • the solid particles can be pigments.
  • the decomposition temperature (T onset ° C) was reduced from 175 ° C to 114 ° C in the presence of 900 mg copper / kg mass when copper was added to an NMMNO cellulose solution without copper.
  • stabilizers such as propyl gallates and ellagic acid is also described.
  • the solution to this problem is a polymer composition which comprises a biodegradable polymer and at least one alkaloid or at least one material containing an alkaloid, a molded body produced therefrom and a method for its production.
  • the at least one alkaloid or the material containing at least one alkaloid are also referred to below as “additive according to the invention”.
  • the biodegradable polymer is preferably selected from the group consisting of cellulose, modified cellulose, latex, protein of vegetable and animal origin, in particular cellulose, and mixtures thereof. Polycondensation and polymerization polymers, polyurethanes, polyesters and mixtures of these materials can also be used insofar as they are biodegradable.
  • the polymer composition according to the invention or the molded body produced therefrom preferably contains no non-biodegradable polymers or mixtures of such polymers.
  • polymer compositions according to the invention also contain non-biodegradable polymers.
  • non-biodegradable polymers examples include aromatic polyamides (aramids), polyacrylonitrile (PACN) or polyvinyl alcohols (PVA).
  • aromatic polyamides aromatic polyamides
  • PPN polyacrylonitrile
  • PVA polyvinyl alcohols
  • These polymers can be incorporated into the polymer composition according to the invention. This incorporation is preferably carried out in the following manner: Certain polymer solvents such as DMAc, DMSO or DMF can also dissolve synthetic polymers such as those mentioned above. Such solutions can in turn Combination with known cellulose solvents such as LiCl / DMAc, DMSO / PF, tertiary amine oxides / water can be combined to form a polymer composition.
  • modified cellulose examples include carboxyethyl cellulose, methyl cellulose, nitrate cellulose, copper cellulose, viscosexanthate, cellulose carbamate and cellulose acetate.
  • polycondensation and polymerization polymers are polyamides, e.g. are substituted with methyl, hydroxy or benzyl groups.
  • polyurethanes are those which are based on polyester polyols.
  • the at least one alkaloid contained in the polymer composition according to the invention can be any alkaloid.
  • the alkaloid is preferably selected from the group of capsaicides, more preferably capsaicin and / or dihydrocapsaicin, particularly preferably capsaicin.
  • the at least one alkaloid-containing material that can be incorporated into the polymer composition according to the invention can be any naturally occurring material containing alkaloid. This material is preferably a material containing a capsaicid, particularly preferably chili powder, cayenne pepper or rose paprika, and mixtures thereof.
  • Typical chilli ingredients include:
  • Carotenoids 0, 12 to 0.35% The material containing at least one alkaloid used according to the invention is usually selected from commercially available materials. For the purposes of the invention it is possible to use particles of the material in the grain size range of 200 to 400 ⁇ m, preferably 150 to 300 ⁇ m. Particles with small grain sizes are preferably also used, such as 1 to 100 ⁇ m, more preferably 1 to 5 ⁇ m. Grain size mixtures can also be used.
  • the polymer composition preferably contains the at least one alkaloid or the material containing at least one alkaloid in an amount of from 0.01 to 2% by weight, more preferably from 0.05 to 1.5% by weight and particularly preferably from 0.1 up to 1 wt .-%, based on the weight of the biodegradable polymer, added.
  • the content indicated relates to the amount of alkaloid, i.e. the amount of the material containing at least one alkaloid can be higher, since only the alkaloid content is taken into account in the amount used here.
  • the molded articles according to the invention can be produced from the polymer composition according to the invention by conventional methods, the components for producing the polymer composition being mixed first and then the molded article being produced.
  • the components can be mixed continuously or batchwise, for example using apparatuses and processes described in WO96 / 33221, US Pat. No. 5,626,810 and WO96 / 33934.
  • the shaped body according to the invention is particularly preferably in the form of fibers, most preferably in the form of cellulose fibers.
  • Processes for producing the cellulose fibers according to the invention are known, such as the Lyocell or NMMNO, rayon or viscose or carbamate process.
  • the Lyocell process can be carried out as described below.
  • a solution of cellulose, NMMNO and water is produced by first forming a suspension of cellulose, NMMNO and water. This suspension is continuously under reduced pressure in a 1 to 20 mm thick layer over a heat exchange surface by rotating elements transported. During this process, water is evaporated until a homogeneous cellulose solution has formed.
  • the cellulose solution thus obtained can contain an amount of cellulose from 2 to 30% by weight, of NMMNO from 68 to 82% by weight and of water from 2 to 17% by weight.
  • additives such as inorganic salts, inorganic oxides, finely divided organic substances or stabilizers can be added to this solution.
  • the at least one additive according to the invention is then added to the cellulose solution thus obtained in the form of powder, powder suspension or in liquid form, as an extract or suspension.
  • the addition can take place continuously or discontinuously.
  • the at least one additive according to the invention can also be added after or during the continuous comminution of the dry cellulose, in the form described above. If a powder suspension is added, the powder suspension can be prepared in water or any solvent in the concentration desired and required for the process.
  • the at least one additive according to the invention can be fed to a pulping process with simultaneous comminution.
  • the pulping can be carried out either in water, in alkalis or in the solvent which is later required to dissolve the cellulose.
  • the at least one alkaloid or the material containing at least one alkaloid can be added in the form described above.
  • the polymer composition enriched with the at least one alkaloid or the material containing at least one alkaloid can be converted into a deformable extrusion composition in the presence of a derivatizing agent and / or a solvent known for the solution process.
  • a further possibility of adding the at least one additive according to the invention is the addition during a continuously conducted dissolution process, described in EP-A-356419, US-A-5,049,690 and US-A-5,330,567.
  • the addition can be carried out batchwise to obtain a master batch of the cellulose solution.
  • the at least one alkaloid or the material containing at least one alkaloid is preferably added continuously.
  • the at least one additive according to the invention can also be added in any other stage of the production process for the shaped body.
  • it can be mixed into a pipeline system by means of static mixer elements or stirring elements, such as known inline refiners or homogenizers, e.g. Ultra Turrax devices can be fed in.
  • static mixer elements or stirring elements such as known inline refiners or homogenizers, e.g. Ultra Turrax devices can be fed in.
  • the process is in continuous batch operation, e.g. Carried out via a cascade of stirred tanks, the material which contains the at least one alkaloid or the at least one alkaloid at the most optimal point for the process can be introduced in solid, powdered, suspension or liquid form. The fine distribution can be achieved with known stirring elements matched to the method.
  • the extrusion or spinning mass formed can then be filtered. Depending on the fineness of the solid material used, filtration can also be dispensed with in spinning processes with large nozzle diameters.
  • the at least one alkaloid or the at least one alkaloid-containing material can be supplied in a suitable form directly in front of the spinneret or the extrusion tool, so that the added material is not present in the composition for a long time that adverse reactions are prevented.
  • the addition is preferably carried out in liquid form, with the viscosity preferably being adjusted in the spinning or extrusion composition in order to simplify the mixing.
  • Another possibility is to add additives present in liquid form to the continuously spun thread during the spinning process.
  • Spinning can be carried out using conventional methods, such as dry-jet-wet-; the wet spinning; the melt blown process, centrifugal spinning, funnel spinning or dry spinning.
  • conventional methods such as dry-jet-wet-; the wet spinning; the melt blown process, centrifugal spinning, funnel spinning or dry spinning.
  • Examples of the production of cellulose fibers according to the NMMNO process are mentioned in US-A-5,589,125, US-A-5,939,000, EP-A-0 574 870 and WO98 / 07911.
  • the shaped bodies formed can be subjected to the conventional chemical fiber aftertreatment processes for filaments or staple fibers.
  • the viscose process which can also be used, can be carried out as follows. Cellulose with about 90 to 92% by weight of ⁇ -cellulose is treated with aqueous NaOH. The cellulose is then converted into cellulose xanthate by reaction with carbon disulphide and a viscose solution is obtained by adding aqueous NaOH with constant stirring. This viscose solution contains approximately 6% by weight of cellulose, 6% by weight of NaOH and 32% by weight of carbon disulphide, based on the cellulose content. After the suspension has been stirred, the additive according to the invention is added either as a powder or a liquid extract. If desired, conventional additives such as surfactants, dispersants or stabilizers can be added.
  • the additive according to the invention can in turn alternatively be added in each stage of the process.
  • the carbamate process can be carried out as described below.
  • cellulose carbamate is produced from cellulose with about 92 to 95% by weight of ⁇ -cellulose, as described, for example, in US Pat. No. 5,906,926 or DE-PS-196 35707.
  • Alkali cellulose is produced from the pulp used by treatment with aqueous NaOH. After defibrating, the alkali cellulose is ripened and then the sodium hydroxide solution is washed out.
  • the cellulose activated in this way is mixed with urea and water and introduced into a solvent in a reactor. The mixture thus obtained is heated.
  • the carbamate formed is separated off and a carbamate spinning solution is prepared therefrom, as described in DE-PS-197 57 958.
  • the additive according to the invention is added to this spinning solution.
  • the spinning solution thus obtained is spun into fibers by known processes, and cellulose fibers according to the invention are obtained.
  • the cellulose fibers according to the invention despite the addition of the additive according to the invention, have the same outstanding properties as pure cellulose fibers, in terms of their fineness, tensile strength, tensile strength variation, elongation, wet elongation, fineness-related tensile strength, fineness-related wet tensile strength, fineness-related loop tensile strength, wet abrasion Fracture, wet abrasion variation and wet modulus.
  • the fibers show the positive properties imparted by the material. This is particularly surprising since the addition of additives to spinning masses made of cellulose, NMMNO and water has the disadvantage that they change color at the temperature of use, are not stable in storage and introduce contaminants into the cellulosic end products.
  • Another advantage conferred on the shaped bodies according to the invention by the addition of additives according to the invention is the uniform incorporation of the active ingredients into the fiber matrix with fiber cross sections that can be produced in different ways. Processing as monofilament or continuous filament yarn is also possible. This results in a particularly good use of technical articles.
  • the molded body according to the invention is made from a polymer composition that contains exclusively biodegradable material, its complete biodegradability is advantageous.
  • the moldings according to the invention can be used as packaging material, fiber material, non-wovens, textile composites, fiber composites, non-woven fabrics, needle felts, upholstery wadding, fabrics, knitted fabrics, as home textiles, such as bed linen, as a filler, flocking material, hospital textiles, such as underlays, diapers or mattresses, as a material can be used for thermal blankets, shoe inserts and wound dressings.
  • Other uses Possible uses are described in the encyclopedia of textile furnishings, book and media Verlag Buurmann KG, ISBN 3-98047-440-2.
  • a fabric is produced from the molded body according to the invention in the form of fibers, then this can either consist exclusively of this fiber or contain an additional component.
  • This additional component can be selected from the group consisting of cotton, lyocell, rayon, carbacell, polyester, polyamide, cellulose acetate, acrylate, polypropylene or mixtures thereof.
  • the fibers according to the invention with an additive according to the invention are preferably present in the fabric in an amount of up to about 70% by weight.
  • the additive according to the invention is preferably present in the fabric in an amount of 0.05 to 1.5% by weight, based on the alkaloid content in the fiber.
  • the fiber according to the invention can pass on the active substances to the body due to the incorporated elements, possibly via a fat layer to be applied, such as a cream layer.
  • a fat layer to be applied such as a cream layer.
  • the tissue made from this cellulosic material can also be impregnated with alcoholic or fatty alcoholic solutions so that the active ingredients can be passed on to the body.
  • Another possibility of active substance transport is in connection with the therapeutic application of ionophoresis. Because of the cellulosic material, breathable fabrics can also be made.
  • the active ingredients can thus be supplied to the skin in a targeted manner. Through the incorporation, the active ingredients are present in the fiber or in the fabric for a long time, even after frequent washing.
  • capsaicides preferably capsaicin and / or dihydro-capsaicin
  • the use of the capsaicides enables the production of polymer compositions or of fibers, fabrics or nonwovens which have valuable health-promoting properties.
  • the materials according to the invention can therefore be processed further into therapeutic articles, such as plasters, bandages or bandages.
  • the capsaicides are known as traditional medications for analgesic or antiflamatory treatment, usually in cutaneous form.
  • the invention Because of their capsaicide content, fibers can make this active ingredient available over the long term.
  • a layer of fat should be used to increase the transfer of the active ingredient.
  • This can preferably be applied directly to the fleece according to the invention or the tissue according to the invention, so that the combination of tissue / fleece with a layer of fat is then applied to the skin.
  • Such structures can be used, for example, for the treatment of arthritis, shingles, nerve pain, itching caused by infections, tumors, parasites, etc.
  • the treatment of rheumatic pain is also conceivable, with the fat-coated fleece or the fat-coated tissue being placed on the area of the skin to be treated.
  • a heat-stimulating treatment is made possible by the transfer of the alkaloids.
  • the fat applied to improve the transfer of active ingredient can be a conventional fat or a conventional cream that is used in medical or cosmetic fields.
  • the fiber according to the invention is in the form of staple fibers or comminuted filaments
  • these surfaces can be used to flock carriers, such as fabrics or foils.
  • the surface of the carrier to be flocked is treated with an adhesive and then the staple fibers or comminuted filaments are applied to it. Then a layer of fat described above can also be applied.
  • the fibers were cut by hand to a length of 40 mm, washed solvent-free and equipped with a 10 g / l softener (50% Leomin OR - 50% Leomin WG (nitrogen-containing fatty acid polyglycol ester from Clariant GmbH)) at 45 ° C or the fat layer for better Fiber processing applied and dried at 105 ° C. Following drying, a fiber moisture of 11% was set. An additional bleaching process before drying was not carried out in this case
  • the spinning behavior of the spinning solution obtained according to this example was good.
  • the following table shows the physical properties of the cellulose fibers thus obtained.
  • the capsaicin content was determined by HPLC according to the Sigma-Aldrich product information for capsaicin (product number M2028).
  • Lyocell filaments Three attempts were made to produce Lyocell filaments. As a standard experiment, a standard spinning solution (A) was prepared, containing 12% cellulose, 0.63% GPE (gallic acid propyl ester). The spinning took place one day after the production.
  • A a standard spinning solution
  • GPE gallic acid propyl ester
  • the spinning solution with 0.15% capsaicin and 0.63% GPE was also spun one day after production.
  • the spinning solution without GPE was immediately after the manufac lung spun.
  • the spinning takes place through a nozzle with 2 x 165 holes with a bore diameter of 70 ⁇ m and a nominal titer of 650 dtex F330.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Textile Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Epidemiology (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Hematology (AREA)
  • Manufacturing & Machinery (AREA)
  • Artificial Filaments (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

L'invention concerne une composition polymère contenant un polymère biodégradable et au moins un alcaloïde ou au moins une substance contenant au moins un alcaloïde.
PCT/EP2001/007714 2000-08-03 2001-07-05 Compositions polymeres et corps moule fabrique a partir de ces compositions contenant des alcaloides WO2002012381A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0302452A GB2389853B (en) 2000-08-03 2001-07-05 Biodegradable polymer with alkaloid additive
AU2001281956A AU2001281956A1 (en) 2000-08-03 2001-07-05 Polymer composition and a moulded body produced therefrom containing alkaloids

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10037983A DE10037983B4 (de) 2000-08-03 2000-08-03 Polymerzusammensetzung und daraus hergestellter Formkörper mit einem Gehalt an Alkaloid
DE10037983.4 2000-08-03

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WO2002012381A1 true WO2002012381A1 (fr) 2002-02-14

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PCT/EP2001/007714 WO2002012381A1 (fr) 2000-08-03 2001-07-05 Compositions polymeres et corps moule fabrique a partir de ces compositions contenant des alcaloides

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AT (1) AT7008U1 (fr)
AU (1) AU2001281956A1 (fr)
DE (1) DE10037983B4 (fr)
GB (1) GB2389853B (fr)
WO (1) WO2002012381A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1354914A1 (fr) * 2002-04-12 2003-10-22 Stefan Zikeli Composition polymérique avec un polymère biodégradable et une substance, un ou des extraits et/ou un ou des composés essentiels d'herbes de la famille des Asteraceae
DE102008008537A1 (de) * 2008-02-06 2009-08-13 Beiersdorf Ag Wundversorgungsartikel

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Publication number Priority date Publication date Assignee Title
DE202004021745U1 (de) * 2004-12-16 2010-10-28 Ofa Bamberg Gmbh Elastischer Faden mit Wirkstoffe enthaltendem Umwindungsfaden
DE102005029793B4 (de) * 2005-06-27 2007-04-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vliesstoffe, Verfahren zu deren Herstellung sowie deren Verwendung
DE102014004258A1 (de) 2014-03-19 2015-09-24 Bauerfeind Ag Fasern und Garne mit Okklusionsfunktion
CN107466214A (zh) * 2014-11-11 2017-12-12 耐特福司克股份公司 改善卫生的方法和用于该方法中的制品和套件装置
DE102015217382A1 (de) 2015-09-11 2017-03-16 Bauerfeind Ag Polymerzusammensetzungen, Fasern und Garne mit Petrolatum und/oder ölsäurehaltigen Ölen
CN109023930A (zh) * 2018-08-21 2018-12-18 桐庐雷泰生物科技有限公司 一种保健功能性材料及其制备方法和应用

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GB2389853B (en) 2004-12-22
GB0302452D0 (en) 2003-03-05
AU2001281956A1 (en) 2002-02-18
AT7008U1 (de) 2004-07-26
GB2389853A9 (en) 2004-01-08
GB2389853A (en) 2003-12-24
DE10037983B4 (de) 2006-04-13

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