+

WO2000015749A1 - Procede et composition permettant d'eliminer les taches de lycopene sur les surfaces en plastique - Google Patents

Procede et composition permettant d'eliminer les taches de lycopene sur les surfaces en plastique Download PDF

Info

Publication number
WO2000015749A1
WO2000015749A1 PCT/US1999/021207 US9921207W WO0015749A1 WO 2000015749 A1 WO2000015749 A1 WO 2000015749A1 US 9921207 W US9921207 W US 9921207W WO 0015749 A1 WO0015749 A1 WO 0015749A1
Authority
WO
WIPO (PCT)
Prior art keywords
cleaning formulation
machine cleaning
value
machine
range
Prior art date
Application number
PCT/US1999/021207
Other languages
English (en)
Inventor
Peter Robert Foley
Xiaoqing Song
Lucio Pieroni
Original Assignee
The Procter & Gamble 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 The Procter & Gamble Company filed Critical The Procter & Gamble Company
Publication of WO2000015749A1 publication Critical patent/WO2000015749A1/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/39—Organic or inorganic per-compounds
    • C11D3/3945—Organic per-compounds
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/43—Solvents
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10—Objects to be cleaned
    • C11D2111/14—Hard surfaces
    • C11D2111/18—Glass; Plastics

Definitions

  • the present invention relates to an automatic dishwashing machine cleaning process and composition, which are useful for substantially completely removing lycopene stams on plastic surfaces. More particularly, the invention relates to a process for substantially completely removing lycopene stains from an inte ⁇ or surface of a dishwashing machine, particularly stams deposited on an interior surface made from organic plastic materials.
  • Bleaching of lycopene stains from a plastic surface is one method of lycopene stam removal that has been well known.
  • chlorine and peroxygen bleaches can provide some bleaching of a lycopene sta .
  • chlorine bleach is a somewhat effective cleaning agent, it is not compatible with a variety of ADW detergent ingredients and requires additional processing in order to be incorporated into a final product. Further, it simply is not effective in removing the lycopene stam substantially completely from an organic plastic surface.
  • Peroxygen bleaches on the other hand are more compatible with conventional ADW detergent ingredients but such bleaches are temperature and/or pH dependent but peroxygen bleaches also do not offer substantially complete removal of lycopene stams from organic plastic surfaces. Furthermore, peroxygen bleaching agents suffer from stability problems when used m liquid formulations. While there has been a substantial amount of research to develop bleaching systems effective in various wash liquid formulations, there is yet no product or process available for removing substantially completely, lycopene sta s, particularly stams caused on the inside surfaces of a typical automatic dishwashing machine in which the interior surface is made from organic plastic matenals.
  • DAPs diacyl peroxides
  • dishwashing detergents such as for example, tea, fruit juice and caretenoid stains objected to by the consumer from plastic dishware.
  • plastics such as for example, tea, fruit juice and caretenoid stains objected to by the consumer from plastic dishware.
  • beneficial m removing lycopene stains substantially completely from an organic plastic surface.
  • U.S. Pat. No. 5,663,133 discloses granular automatic dishwashing detergents containing diacyl peroxides that provide enhanced cleaning, i.e., improved stam removal on plastic dishware and tea stam removal on china.
  • the process includes the step of depositing a machine cleaning formulation m the dishwashing machine.
  • the machine cleaning formulation includes a bleaching species selected from the group consisting of dialkyl peroxide and diacyl peroxide.
  • the bleaching species is in the form of ultramicronized particles having a particle size less than about 10 microns.
  • the bleaching species is present in an amount in a range of from about 10% to about 25% by weight of the machine cleaning formulation.
  • the machine cleaning formulation further includes an organic solvent present in a range of from about 3% to about 15% by weight of the machine cleaning formulation.
  • the machine cleaning formulation has a pH in a range of from about 2 to about 11.
  • the process also includes operating the dishwashing machine m one of a rinse-only cycle or a dry-only cycle for a period of time in a range of from about 0.01 hour to about 1 hour and removing the lycopene stains from the interior surface of the dishwashing machine to an insubstantial residual amount defined by an "L value", an "a value", and a "b value".
  • the L value is greater than at least about 85.
  • the a value is less than about 12, and the b value is less than about 20
  • a machine cleaning formulation for removing lycopene stains from an organic plastic interior surface of a dishwashing machine comprises a bleaching species selected from the group consisting of dialkyl peroxide and diacyl peroxide.
  • the bleaching species is present in a form of ultramicronized particles having a particle size less than about 10 microns and in an amount of at least about 10% by weight of the machine cleaning formulation.
  • the machine cleaning formulation also comprises an organic solvent present in a range of from about 3% to about 15% by weight of the machine cleaning formulation. Further, the machine cleaning formulation has a pH in a range of from about 2 to about 11.
  • the machine cleaning composition is adapted to remove the lycopene stains from the interior surface of the dishwashing machine to an insubstantial residual amount defined by an "L value", an "a value", and a “b value”.
  • the "L value” is greater than at least about 85, the "a value” is less than about 12, and the "b value” is less than about 20.
  • the process includes the step of depositing desirably at least about 10 grams of a machine cleaning formulation in the dishwashing machine. Although it is desirable to use at least 10 grams, it is preferred to deposit about 15 grams, and even more preferable to deposit about 20 grams of the machine cleaning formulation for even more effective and complete removal of lycopene stains.
  • the machine cleaning formulation includes a bleaching species selected from the group consisting of dialkyl peroxide and diacyl peroxide.
  • the bleaching species is diacyl peroxide of the general formula.
  • RC(0)00(0)CR wherein R and R, can be the same or different, preferably no more than one is a hydrocarbyl chain of longer than ten carbon atoms, more preferably at least one has an aromatic nucleus.
  • the preferred diacyl peroxides have a melting point greater than about 30°C, preferably greater than about 50°C, most preferably above 70°C.
  • the bleaching species selected from one of dialkyl peroxides and diacyl peroxides, and preferably, diacyl peroxides is in the form of ultramicronized particles having a particle size desirably less than about lO ⁇ m, preferably less than about 8 ⁇ m, even more preferably less than about 6 ⁇ m, and most preferably less than about 4 ⁇ m.
  • diacyl peroxides are selected from the group consisting of diacyl peroxide selected from the group consisting of dibenzoyl peroxide, benzoyl gluaryl peroxide, benzoyl succinyl peroxide, d ⁇ -(2-methybenzoyl) peroxide, diphthaloyl peroxide, and mixtures thereof, more preferably dibenzoyl peroxide, dicumyl peroxide, diphthaloyl peroxides and mixtures thereof.
  • a particulary preferred diacyl peroxide is dibenzoyl peroxide.
  • the bleaching species is present in an amount m a range of from about 10% to about 25% by weight of the machine cleaning formulation. Although it is desirable that the bleaching species be present in the aforementioned amounts, it is preferable that the bleaching species be present in an amount in a range of from about 10% to about 25% by weight.
  • dibenzoyl peroxide which is a subspecies of diacyl peroxides, is used m the form of ultramicronized particles having a particle size of 4 ⁇ m and being present an amount of about 11% by weight of the machine cleaning formulation is used.
  • the machine cleaning formulation further includes an organic solvent present in a range of from about 3% to about 15% by weight of the machine cleaning formulation, and preferably, in a range of from about 3% to about 10% by weight, and most preferably, in a range of from about 3% to about 5% by weight.
  • the solvent of the present invention is of the type which the diacyl peroxide will not dissolve m.
  • the preferred solvents are selected based upon the solubility parameter value of the diacyl peroxide employed.
  • the solubility parameter value of a compound is available from literature sources such as Polymer Handbook. Values obtained by experiments are preferred. If the solubility parameter value is not available in the literature, the value can be calculated by using any of the methods described by Robert F. Fedor's article "A Method of Estimating Both the Solubility Parameters & Molar Volumes of Liquids", Polymer Engineering & Science, February, 1974, Vol 14, No. 2.
  • solvents are selected having a solubility parameter which fall outside a +/- about 4 range of the diacyl peroxide solubility parameter.
  • the diacyl peroxide is benzoyl peroxide (solubility parameter value of 11.1) solvents with a solubility parameter of less than about 7.5 or greater than about 15.5 would be acceptable.
  • Suitable solvents are selected from the group consisting of ethanol, glycerol, dimethyl siloxanes, sorbitol, water and mixtures thereof, and preferably, ethanol.
  • the machine cleaning formulation has a pH in a range of from about 2 to about 1 1 , and preferably in a range of about 4 to about 7
  • the process includes the step of contacting the inner surface of the dishwashing machine with the machine cleaning formulation for a period of time in a range of from about 0.1 minute to about 60 minutes.
  • the aforementioned range of contact time is desirable, it is preferred to have selected contact times based on the physical form of the machine cleaner composition.
  • the contact time is desirably in a range of from about 5 minutes to about 60 minutes and preferably in a range of about 30 minutes to about 60 minutes.
  • the contact time is reduced to the amount of time it takes to deposit the liquid or paste m the dishwasher and the stam removal is achieved du ⁇ ng the operation of the dishwasher in the rinse-only cycle.
  • the process includes operating the dishwashing machine in one of a ⁇ nse-only cycle or a dry-only cycle for a period of time m a range of from about 0.01 hour to about 24 hours.
  • a spray cleaner either a rmse-only or a dry-only or a combination of cycles could be used but for a liquid or a paste cleaning composition, it is preferable to use at least a rinse cycle.
  • the lycopene stains are removed from the inte ⁇ or surface of the dishwashing machine to an insubstantial residual amount defined by an "L value", an "a value", and a “b value".
  • the "L value” is greater than at least about 85, the "a value” is less than about 12, and the “b value” is less than about 20 and preferably, the "L value” is greater than at least about 88, the "a value” is less than about 5, and the "b value” is less than about 18.
  • the amount of lycopene stam removal is determined by the following colorphotometer test that quantifies the amount of stain removal in terms of an "L value", an "a value”, and a "b value”.
  • the test procedure is as follows:
  • a 4 quart pot is placed on a hot plate and a 48-oz. Ragu 100% traditional spaghetti sauce is poured into the pot.
  • the machine cleaning formulation contains a low foaming nonionic surfactant (LFNI) present in a range of from about 0.1 % to about 3% by weight of said machine cleaning formulation.
  • Low foaming nonionic surfactants (LFNIs) can be present desirably in amounts from 0.1% to about 2.5% by weight, preferably from about 1% to about 2%. more preferably from about 1.5% to about 2%.
  • the LFNIs include nonionic alkoxylated surfactants, especially ethoxylates derived from pnmary alcohols, and blends thereof with more sophisticated surfactants, such as the polyoxypropylene/polyoxyethylene/ polyoxypropylene reverse block polymers.
  • the PO/EO/PO polymer-type surfactants are well-known to have foam suppressing or defoaming action, especially m relation to common food soil ingredients such as egg.
  • the invention encompasses embodiments wherein LFNI is present, and wherein this component is solid at temperatures below about 100°F, more preferably below about 120°F.
  • the LFNI is an ethoxylated surfactant derived from the reaction of a monohydroxy alcohol or alkylphenol containing from about 8 to about 20 carbon atoms, excluding cyclic carbon atoms, with from about 6 to about 15 moles of ethylene oxide per mole of alcohol or alkyl phenol on an average basis.
  • Another LFNI is derived from a straight chain fatty alcohol containing from about 16 to about 20 carbon atoms (C -C alcohol), preferably a C alcohol, condensed with an average
  • the ethoxylated nonionic surfactant so derived has a narrow ethoxylate distribution relative to the average.
  • the LFNI can optionally contain propylene oxide in an amount up to about 15% by weight.
  • Other preferred LFNI surfactants can be prepared by the processes described in U.S. Patent 4,223,163, issued September 16, 1980, Builloty, incorporated herein by reference.
  • LFNIs present can make use of ethoxylated monohydroxy alcohol or alkyl phenol and additionally comprise a polyoxyethylene, polyoxypropylene block polymeric compound; the ethoxylated monohydroxy alcohol or alkyl phenol fraction of the LFNI comprising from about 20% to about 80%, preferably from about 30% to about 70%, of the total LFNI.
  • Suitable block polyoxyethylene-polyoxypropylene polymeric compounds that meet the requirements described herein before include those based on ethylene glycol, propylene glycol, glycerol. t ⁇ methylolpropane and ethylenediamme as initiator reactive hydrogen compound. Certain of the block polymer surfactant compounds designated PLURONIC® and TETRONIC® by the BASF-Wyandotte Corp., Wyandotte, Michigan, are suitable for this invention.
  • a suitable LFNI contains from about 40% to about 70% of a polyoxypropylene/polyoxyethylene/polyoxypropylene block polymer blend comprising about 75%, by weight of the blend, of a reverse block co-polymer of polyoxyethylene and polyoxypropylene containing 17 moles of ethylene oxide and 44 moles of propylene oxide; and about 25%, by weight of the blend, of a block co-polymer of polyoxyethylene and polyoxypropylene initiated with t ⁇ methylolpropane and containing 99 moles of propylene oxide and 24 moles of ethylene oxide per mole of t ⁇ methylolpropane.
  • LFNI LFNI
  • Cloud points of 1% solutions in water are typically below about 32°C and preferably lower, e.g., 0°C, for optimum control of sudsing throughout a full range of water temperatures.
  • LFNIs which may also be used include a C alcohol polyethoxylate, having a degree of
  • the process includes having a machine cleaning formulation containing a sanitization agent present in a range of from about 0.1% to about 3% by weight of the machine cleaning formulation.
  • the sanitization agent is a bacte ⁇ cide.
  • the bacte ⁇ cide is essentially an antimicrobial compound.
  • antimicrobial compounds include t ⁇ closan, t ⁇ clocarbon, hydrogen peroxide, other oxygen bleaches, para-chloro-meta-xylenol, lodine/iodophors, selected alcohols, chlorhexidine, phenols. phospholipids, thymol, eugeniol, geraniol, oil of lemon grass, and limonene.
  • Certain quaternary surfactants may also show antimicrobial action and may be included as a secondary germ kill agent.
  • the machine cleaning formulation contains mono stearyl alkonyl phosphate present in a range of from about 0.2% to about 6% by weight of the machine cleaning formulation.
  • the machine cleaning formulation contains hydroxy propyl beta cyclodextrin present m a range of from about 0.1%> to about 5% by weight of the machine cleaning formulation.
  • EXAMPLE A represents one embodiment of the present invention of a machine cleaning formulation:
  • the appearance is a soft, smooth white cream free from grit
  • the pH, undiluted at 25°C is 5.9 to 7.5.
  • the specific gravity at 25°C is 1.08 to 1.16

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Detergent Compositions (AREA)

Abstract

L'invention concerne un procédé permettant d'éliminer les taches de lycopène sur une surface intérieure en plastique organique de lave-vaisselle, qui consiste à déposer dans le lave-vaisselle une formulation de nettoyage de machine. Cette formulation comprend un agent de blanchiment appartenant au groupe suivant : dialkylperoxyde et diacylperoxyde. L'agent en question se présente sous la forme de particules à l'échelle de l'ultramicron dont la taille est inférieure à environ 10 microns, et il est présent selon une quantité qui, en poids, oscille entre environ 10 % et environ 25 % par rapport à la formulation, laquelle renferme un solvant présent selon une quantité qui, en poids, oscille entre environ 3 % et environ 15 % par rapport à la formulation. Ladite formulation a un pH compris entre environ 2 et environ 11. On enlève les taches jusqu'à laisser une quantité résiduelle négligeable.
PCT/US1999/021207 1998-09-16 1999-09-15 Procede et composition permettant d'eliminer les taches de lycopene sur les surfaces en plastique WO2000015749A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10056398P 1998-09-16 1998-09-16
US60/100,563 1998-09-16

Publications (1)

Publication Number Publication Date
WO2000015749A1 true WO2000015749A1 (fr) 2000-03-23

Family

ID=22280395

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1999/021207 WO2000015749A1 (fr) 1998-09-16 1999-09-15 Procede et composition permettant d'eliminer les taches de lycopene sur les surfaces en plastique

Country Status (1)

Country Link
WO (1) WO2000015749A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108587820A (zh) * 2018-03-23 2018-09-28 长沙小新新能源科技有限公司 一种含有机氟工业洗涤剂及其制备方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4392977A (en) * 1980-01-26 1983-07-12 Henkel Kommanditgesellschaft Auf Aktien Liquid cleaning and maintenance composition especially for dishwashers
EP0717102A1 (fr) * 1994-12-09 1996-06-19 The Procter & Gamble Company Composition détergente liquide pour lave-raisselle automatique contenant des peroxydes de diacyle
US5663133A (en) * 1995-11-06 1997-09-02 The Procter & Gamble Company Process for making automatic dishwashing composition containing diacyl peroxide
WO1998003624A2 (fr) * 1996-07-24 1998-01-29 The Procter & Gamble Company Compositions de detergence en gel ou liquides pouvant etre vaporisees et contenant un agent de blanchiment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4392977A (en) * 1980-01-26 1983-07-12 Henkel Kommanditgesellschaft Auf Aktien Liquid cleaning and maintenance composition especially for dishwashers
EP0717102A1 (fr) * 1994-12-09 1996-06-19 The Procter & Gamble Company Composition détergente liquide pour lave-raisselle automatique contenant des peroxydes de diacyle
US5663133A (en) * 1995-11-06 1997-09-02 The Procter & Gamble Company Process for making automatic dishwashing composition containing diacyl peroxide
WO1998003624A2 (fr) * 1996-07-24 1998-01-29 The Procter & Gamble Company Compositions de detergence en gel ou liquides pouvant etre vaporisees et contenant un agent de blanchiment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108587820A (zh) * 2018-03-23 2018-09-28 长沙小新新能源科技有限公司 一种含有机氟工业洗涤剂及其制备方法

Similar Documents

Publication Publication Date Title
CA1120819A (fr) Comprime detersif
FI78501C (fi) Fast skoeljmedel och foerfarande foer diskning under anvaendning av fasta skoeljmedel.
DE19944416A1 (de) Klarspülmittel
EP1899449B1 (fr) Compositions acides de nettoyage de surfaces dures
EP1313833B2 (fr) Assistance au nettoyage
MXPA06004557A (es) Composicion auxiliar de enjuague y metodo para enjuagar un sustrato.
US20070015674A1 (en) Low phosphate automatic dishwashing detergent composition
US10294443B2 (en) Composition and method
CA2235755A1 (fr) Procedes, compositions et/ou articles de nettoyage/sanitaires pour produits frais
CA2232341C (fr) Composition de rincage pour articles en plastique
CN112251300B (zh) 清洁组合物和清洁湿巾及其用途
EP1213344A2 (fr) Composition de lavage ou de rinçage de vaiselle à la machine contenant un agent détruisant les mauvaises odeurs
EP1679363B1 (fr) Composition de nettoyage pour machines de vaisselle ou de lavage
US3554915A (en) Cleansing and sanitizing compositions
WO2000015749A1 (fr) Procede et composition permettant d'eliminer les taches de lycopene sur les surfaces en plastique
NO166135B (no) Konsentrert, vandig, enfaset, homogen, bygd, flytende vaskemiddelblanding.
CN114026211A (zh) 含有乙氧基化甘油酯的机洗餐具洗涤剂
EP3541909B1 (fr) Composition aqueuse de nettoyage d'une surface dure
CN115551979B (zh) 固体组合物
CN115551981B (zh) 固体组合物
JP5519369B2 (ja) 靴用洗浄剤組成物
JPH07100798B2 (ja) 自動食器洗浄機用洗浄剤組成物
WO2024133097A1 (fr) Compositions d'adjuvant de rinçage liquide
KR970004975B1 (ko) 자동 식기 세척기용 분말 세제 조성물
WO2003095599A1 (fr) Procede permettant d'enlever sur du plastique une tache de couleur due a un aliment

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): BR CA JP KR MX TR US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE

121 Ep: the epo has been informed by wipo that ep was designated in this application
DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
122 Ep: pct application non-entry in european phase
点击 这是indexloc提供的php浏览器服务，不要输入任何密码和下载