WO1994011484A1 - Composition de blanchiment liquide - Google Patents

Composition de blanchiment liquide Download PDF

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Publication number
WO1994011484A1
WO1994011484A1 PCT/JP1992/001508 JP9201508W WO9411484A1 WO 1994011484 A1 WO1994011484 A1 WO 1994011484A1 JP 9201508 W JP9201508 W JP 9201508W WO 9411484 A1 WO9411484 A1 WO 9411484A1
Authority
WO
WIPO (PCT)
Prior art keywords
surfactant
group
bleach
activator
mixed
Prior art date
Application number
PCT/JP1992/001508
Other languages
English (en)
Japanese (ja)
Inventor
Yoshinori Tamura
Hiroyuki Yamada
Muneo Aoyagi
Original Assignee
Kao Corporation
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 Kao Corporation filed Critical Kao Corporation
Priority to PCT/JP1992/001508 priority Critical patent/WO1994011484A1/fr
Priority to DE69225246T priority patent/DE69225246T2/de
Priority to US08/433,408 priority patent/US5827447A/en
Priority to EP92923981A priority patent/EP0670364B1/fr
Priority to SG1996001492A priority patent/SG52260A1/en
Priority claimed from SG1996001492A external-priority patent/SG52260A1/en
Priority to JP5206129A priority patent/JP2669590B2/ja
Priority claimed from JP5206129A external-priority patent/JP2669590B2/ja
Publication of WO1994011484A1 publication Critical patent/WO1994011484A1/fr
Priority to HK98104365A priority patent/HK1005206A1/xx

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
    • C11D3/3947—Liquid compositions

Definitions

  • the present invention relates to a liquid bleach composition, and more particularly, to a liquid bleach composition having excellent storage stability and good bleaching power.
  • Bleaching agents can be chemically classified into chlorine bleaching agents and oxygen bleaching agents, and physically classified into solid (powder) and liquid forms.
  • Oxygen bleaches that do not have these drawbacks have recently become very popular because chlorine bleach is limited in the types of fibers that can be used, cannot be used in colors and patterns, and has a unique smell. I'm starting to do it.
  • sodium percarbonate and sodium perborate are particularly used in terms of bleaching performance and stability.
  • liquid oxygen-based bleaches using hydrogen peroxide are also used. It has become quite popular due to its simplicity.
  • Oxygen bleaching agents have a weaker bleaching power than chlorine bleaching agents, and therefore bleaching compositions using various bleaching activators are used.
  • bleach activators include nitriles represented by acetonitrile, 0-acetylated compounds represented by glucose pentaacetate (GPAC), and tetraacetyl ethylene diamine (TAED) represented by tetraacetyl ethylene diamine (TAED).
  • GPAC glucose pentaacetate
  • TAED tetraacetyl ethylene diamine
  • N-acylated products and acid anhydrides typified by maleic anhydride.
  • organic peracid precursors examples include US Pat. Nos. 4,412,934 (assignee: Proctor-And Gamble Company, patent date: '83 .11.1.) And 4,681,592 (assignee) Procter & Gamble Company, Patent Date: 87.11.1.1).
  • the bleach composition is a mixture of solid substances
  • the composition is a mixture of a solid persalt and the above-mentioned solid bleach activator as dry particles for producing an organic peracid. Even so, good storage stability is usually obtained. As long as these are kept dry during storage, no significant reaction or loss of activity occurs until the composition is put into water of a washing machine or the like.
  • the dry bleach solid persalt
  • the peroxide source it is not possible to obtain a dry particulate bleach composition.
  • U.S. Pat. No. 4,130.501 (Assignee: FMC Corporation, Patent: '78 .12.19.) Has a stable, viscous additive with surfactants and thickeners.
  • a liquid hydrogen peroxide bleach composition is disclosed.
  • alkylphenol-based nonionic surfactants and peroxides A detergent composition consisting of hydrogen and a stabilizer (such as phosphoric acid), and a pH that contains hydrogen peroxide and a nonionic tenside, and contains a specific ami- noxide as a stabilizer and has excellent storage stability.
  • Bleach aqueous concentrates of 10 or less are also known. However, these are all inventions made from the viewpoint of stabilizing a liquid hydrogen peroxide-based bleaching agent composition, and no consideration is given to improving the bleaching power. The bleaching power is not enough because it is not blended.
  • a liquid bleaching agent composition using a bleaching activator that generates an organic peracid is also known.
  • U.S. Pat. No. 4,772,290 (assignee: Chlorox Co., Ltd., patent date: '88. 9.20) discloses that a solid bleach activator is dispersed in an acidic aqueous solution containing hydrogen peroxide.
  • a composition which has excellent storage stability and exhibits activity at low temperatures is disclosed.
  • this composition is not transparent and has a bleach activator dispersed therein, there is a problem that the bleach activator precipitates and separates during storage. It was impairing.
  • this composition has a problem that the bleaching activator is gradually hydrolyzed by being stored in the aqueous solution, so that a satisfactory bleaching power cannot be obtained during use. That is, a transparent and excellent storage stability liquid bleach composition in which a bleach activator for producing an organic peracid is dissolved has not been found.
  • An object of the present invention is to provide a system bleach composition.
  • the present inventors have conducted intensive studies to obtain a transparent liquid oxygen-based bleaching composition having excellent storage stability and having a higher bleaching power. As a result, the mutual interaction between a surfactant and a bleaching activator was found. 8 values (as indicators of the magnitude of action) were found to be correlated with storage stability. Therefore, as a result of further study from this viewpoint, the value of> S was smaller than 12 By combining the bleaching activator and the surfactant so that the bleaching activator is reduced, the bleaching activator can be stabilized, and the bleaching activator can be uniformly and transparently dissolved.
  • the present inventors have found that a transparent liquid oxygen-based bleaching composition in which a bleaching activator is extremely stabilized even in an aqueous hydrogen peroxide solution can be obtained, and have completed the present invention. That is, the present invention relates to hydrogen peroxide (a ), A surfactant) and a bleach activator (c) that reacts with hydrogen peroxide to produce an organic peracid, and is calculated by the following formula and a bleach activator (c). and c) a transparent liquid bleach composition characterized in that the value of the interaction parameter of the mixed system is smaller than 12.
  • hydrogen peroxide (a) is incorporated in the composition in an amount of 0.3 to 30% by weight, preferably 0.5 to 10% by weight, and particularly preferably 2 to 7% by weight.
  • the surfactant (b) used in the present invention is not particularly limited, but the composition of the present invention Contains one or more surfactants selected from the group consisting of nonionic surfactants, anionic surfactants and amphoteric surfactants, or contains a nonionic surfactant and It preferably contains one or more surfactants selected from the group consisting of amphoteric surfactants.
  • anionic surfactant used in the present invention examples include the following.
  • Alkylbenzene sulfonates having a linear or branched alkyl group, wherein the alkyl group has an average carbon number of 8 to 18.
  • Alkyl or alkenyl sulfates having an alkyl or alkenyl group having an average carbon number of 8 to 20.
  • Alkanesulfonates having an average of 10 to 20 carbon atoms.
  • Y is an alkyl group having 1 to 3 carbon atoms or a counter ion, and Z is a counter ion.
  • R 4 represents an alkyl group or an alkenyl group having 10 to 20 carbon atoms.
  • examples of the counter ion of the anionic surfactant include a sodium metal ion such as sodium and calcium.
  • nonionic surfactant used in the present invention examples include the following.
  • Nonionic surfactants obtained by adding a side (molar ratio: 0.1 to 9.9-9.9 0.1) or ethylene oxide and a polyethylene oxide (molar ratio: 0.1 9.9 to 9.9 0.1). Or, the average number of carbon atoms of the alkenyl group is 10 to 20, and the number of moles of alkylene oxide added per molecule is 1 to 30 mol on average.
  • a higher fatty acid alkanolamide represented by the following general formula or an alkylene oxide adduct thereof.
  • R 5 is an alkyl or alkenyl group having 10 to 20 carbon atoms
  • R 6 and R 7 are the same or different and are H or CH 3
  • n is an integer of 1 to 3
  • m is 0 to 3 Is an integer.
  • Sucrose fatty acid esters having an average fatty acid number of 10 to 20 in the fatty acid portion.
  • Aminoxides examples thereof include an alkyl or alkenyl amide oxide having a linear or branched alkyl or alkenyl group having 1 to 24 carbon atoms.
  • a more preferred amine oxide is an alkyl amine oxide represented by the following general formula (A).
  • R 8 is an alkyl group or alkenyl group having 8 to 24 carbon atoms
  • R 9 and R ′ are the same Or differently an alkyl group having 1 to 3 carbon atoms
  • D is one NHC— group or one CNH— group
  • R 8 is an alkyl group or an alkenyl group having 8 to 24 carbon atoms, and an alkyl group having 12 to 18 carbon atoms is particularly preferable.
  • R 9 and R 10 are an alkyl group having 1 to 3 carbon atoms, and a methyl group having 1 carbon atom is particularly preferable.
  • Alkyl glycosides For example, an alkyl glycoside represented by the following general formula may be mentioned.
  • R 11 represents a straight-chain or branched-chain alkyl group or an alkenyl group or an alkyl phenyl group having 8 to 18 carbon atoms
  • R 12 represents an alkylene group having 2 to 4 carbon atoms
  • nonionic surfactant comprising an alkyl glycoside represented by the above general formula, wherein X (average value) is 0 to 5, and y (average value) is 1 to 10. Is preferred.
  • amphoteric surfactant used in the present invention examples include sulfobetaine and carbobetaine having a linear or branched alkyl or alkenyl group having 22 to 22 carbon atoms. More preferable amphoteric surfactants include sulfobetaines and carbobetaines represented by the following general formula (B).
  • R 15 (Wherein, R 13 is an alkyl group having 8 to 22 carbon atoms, R 14 and R 15 are the same or different and are an alkyl group having 1 to 3 carbon atoms, and R 16 is a C 1 alkyl group which may contain a hydroxyl group.
  • D is one NHC— group or —CNH— group
  • E is i-C5
  • R 13 is an alkyl group having 8 to 22 carbon atoms, and an alkyl group having 12 to 18 carbon atoms is particularly preferable.
  • R 1 R 15 is an alkyl group having 1 to 3 carbon atoms, particularly preferably a methyl group having 1 carbon atom.
  • R 16 is preferably a propylene group or a hydroxypropylene group having 3 carbon atoms among sulfobetaines. In the case of carbobetaines, R 16 is preferably an alkylene group having 1 to 5 carbon atoms.
  • the bleaching activator (c) used in the present invention which reacts with hydrogen peroxide to produce an organic peracid, can be solubilized by the surfactant used for preparing the liquid bleaching composition of the present invention. If so, it is not particularly limited, and examples thereof include triacetin, acid anhydrides of fatty acids having 2 to 18 carbon atoms, and sodium alkyloxybenzenesulfonate.
  • Particularly preferred bleach activators include compounds represented by the following general formula (I).
  • the compound represented by the general formula (: I) includes a compound which forms an organic peracid having a quaternary ammonium group.
  • R is an alkyl group, alkenyl group, aryl And n is 0 or 1, and L is a leaving group containing an anionic group.
  • the total carbon number of R in the general formula (I) is preferably about 1 to 20. Also, for L, -o
  • R 17 is an alkylene group, [rho is 0 or 1, M represents H or an alkali metal.
  • the alkylene group for R 17 preferably has 1 to 5 carbon atoms.
  • Preferred bleaching activators also include compounds represented by the following general formula (II). '
  • R ′ is an alkyl group, alkenyl group, aryl group or alkyl group-substituted aryl group having 1 to 20 carbon atoms in total, and is n 0 or 1.
  • a bleaching activator which produces an organic peracid having a quaternary ammonium group, specifically, the one represented by the following general formula ( ⁇ ) .
  • R 1 is an alkyl group having 1 to 18 carbon atoms, preferably 1 to 14 carbon atoms, CH 3
  • A is -0-, one book C-, -CNH-, one C-, one OC-, one CO-, or one N-
  • B is - (CH 2) n -, - (0CH 2 CH 2) n - or - (n is 1 to 12, especially from 1 to 5 is preferred arbitrary.) - (0CHCH 2) n .
  • R 2 and R 3 are the same or different and are an alkyl group having 1 or 2 carbon atoms.
  • the linking group is a divalent group, and is not particularly limited. For example, a linear or branched alkylene group, cycloalkylene group, phenylene group, alkylenephenylene group, oxyalkylene group (one CH 2 CH 2 0—).
  • examples of the leaving group include the following, but are not limited thereto.
  • R 17 represents an alkylene group, preferably an alkylene group having 1 to 5 carbon atoms, p represents 0 or 1, M represents H or an alkali metal.
  • ⁇ - is an inorganic or organic counter ion, and the leaving group is
  • the bleaching activator (c) which reacts with a surfactant and hydrogen peroxide to produce an organic peracid is contained in the liquid bleach composition in a total amount of (b) + (c) of 0.1%. To 50% by weight, preferably 6 to 45% by weight, particularly preferably 8 to 25% by weight.
  • the weight ratio of the component (b) to the component (c) is (Z), ⁇ ), 50Z 1 to 1/5, preferably 15: 1 to 1: I, and particularly preferably 101 to 3Z1.
  • the bleaching activator (c), which reacts with a surfactant and hydrogen peroxide to generate an organic peracid is a surfactant (b) calculated by the following formula and a bleaching agent.
  • the value of the interaction parameter / S of the mixed system with the activator (c) is selected to be less than 12, preferably from 130 to 13, particularly preferably from 120 to 14. It is something.
  • the bleach activator (c) and the surfactant (b) are selected in such a combination that the value of ⁇ is smaller than -2, the bleach activator (c) becomes very high in the aqueous hydrogen peroxide solution.
  • a stabilized transparent liquid oxygen-based bleach composition can be obtained.
  • the values of the interaction parameters are determined by the mole fraction of the surfactant and bleach activator in the mixed micelle (X,, X 2 ) and the mole fraction of the surfactant and bleach activator in the total mixed solute ( a
  • the value does not depend on the relative molar ratios such as,,, and 2 ), but is uniquely determined by the type and combination of the surfactant and the bleach activator used. Therefore, when measuring the value of the interaction parameter ⁇ , an equimolar mixed aqueous solution of a surfactant and a bleach activator is selected.
  • the measurement of the interaction parameter ⁇ can be extended to multi-component systems with three or more components.
  • surfactants A as in the ternary system of A 2 and bleach activators, surfactants A! And a mixture of A 2 regarded as one surfactant, it is possible to determine the interaction parameter 3 by determining the critical micelle concentration of the critical micelle concentration and the bleaching activity agent. This is true even when the bleach activator is a multi-component system, or when both the surfactant and the bleach activator are a multi-component system.
  • the present inventors have studied the relationship between the value of the interaction parameter and the stability of the liquid bleach composition for the coexistence system of various surfactants and bleach activators. Only when a combination of bleaching activator and surfactant is chosen to be smaller, the bleaching activator is highly stabilized in aqueous hydrogen peroxide in a transparent liquid oxygen bleach composition. Product was obtained, and completed the present invention. Things.
  • the liquid bleaching agent composition of the present invention prevents the reaction between the bleaching activator and the bulk solution by solubilizing the bleaching activator in the surfactant micelles, It is intended to stabilize.
  • the systems in which the bleach activator is considered to be more stable include systems in which the exchange rate between the micelle and the monodispersed bleach activator in the bulk solution is slower, and the bleach activator in the micelle Systems that have a higher probability of being present and systems where the bleach activator has less opportunity to react with hydrogen peroxide in the bulk are included. That is, if the bleach activator is a system that does not easily jump out of the mixed micelle of the bleach activator and the surfactant into the bulk, the storage stability of the bleach composition is considered to be good. At the time of washing or bleaching, the mixed micelles are broken by dilution of the bleaching agent composition, and it is considered that the desired organic peracid generation reaction occurs.
  • liquid bleaching composition of the present invention may optionally contain a chelating agent (d).
  • the chelating agent (d) used in the present invention includes a divalent metal ion scavenger, for example, the following compounds.
  • 2-Alkali metal salt or alkanolamine salt of phosphonic acid such as diphosphonic acid and methanehydroxyphosphonic acid.
  • Alkali metal salts of amino acids such as aspartic acid, glutamic acid, and glycine or alkanolamine salts.
  • Organics such as diglycolic acid, oxydisuccinic acid, carboxymethyloxysuccinic acid, citric acid, lactic acid, tartaric acid, oxalic acid, lingic acid, oxydisuccinic acid, gluconic acid, carboxymethylsuccinic acid, carboxymethyltartaric acid, etc.
  • Metallic acid salt or acid salt of acid
  • Alkali metal salts or aluminoamine salts of aluminokeic acids represented by zeolite A Alkali metal salts or aluminoamine salts of aluminokeic acids represented by zeolite A.
  • Aminopoly (methylene phosphonic acid) and its alkali metal salt or alkanolamine polyethylenepolyamine poly (methylenephosphonic acid) and its alkali metal salt or alkanolamine salt.
  • the chelating agent (d) enhances the bleaching detergency of the bleach composition and improves the storage stability. Therefore, 0.0005 to 5% by weight, especially 0.01 to 1% by weight, is added to the composition. It is desirable to do it.
  • the liquid bleach composition of the present invention usually contains the components (a) to (: c) or the components (a) to (d) and water.
  • the pH of the composition is desirably neutral or weakly acidic to acidic (pH 6 or less, preferably 3.5 or less).
  • the liquid bleach composition of the present invention may further contain, if necessary, a pH adjuster, a dispersant, a thickener, a fragrance, a dye, a fluorescent dye, an enzyme such as a protease, a lipase, an amylase, and a cellulase. You may.
  • the bleach activator is stabilized by the formation of a mixed micelle of the two.
  • the bleach activator is uniformly and transparently dissolved in the aqueous hydrogen peroxide solution.
  • the bleach activator is highly stabilized in the aqueous hydrogen peroxide solution, and thus becomes transparent.
  • a liquid oxygen-based bleach composition was obtained.
  • Effective bleach activator residual rate (%) X100
  • the liquid bleach composition was separated and the presence or absence of cloudiness was evaluated according to the following criteria.
  • aqueous solutions of a surfactant (Group A in Table 1), a bleach activator (Group B in Table 1), and an equimolar aqueous solution of a surfactant and a bleach activator, respectively.
  • the surface tension of each was measured for aqueous solutions of various concentrations. From the obtained surface tension-concentration curve, the cmc of the single aqueous solution and the mixed aqueous solution were determined.
  • the interaction parameter (5) was determined from the following equation.
  • the pH of each composition was adjusted to 2 using sulfuric acid. The results are shown in Table 2.3.

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  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (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)
  • Detergent Compositions (AREA)

Abstract

Composition de blanchiment liquide transparente présentant une excellente stabilité au stockage et un excellent pouvoir de blanchiment. Cette composition renferme un peroxyde d'hydrogène (a), un tensiactif (b) et un activateur de blanchiment (c) produisant un acide peroxy organique par réaction avec le peroxyde d'hydrogène et dans lequel la valeur du paramètre d'interaction β d'un système mixte composé du tensioactif (b) et de l'activateur (c), conformément à la formule (i), est inférieur à -2. Dans cette formule C1 exprime la concentration micellaire critique du tensioactif; C2 exprime la concentration micellaire critique de l'activateur de blanchiment; α1 exprime la fraction molaire de tensioactif dans le mélange soluté total (fraction molaire d'addition); α2 exprime la fraction molaire d'activateur de blanchiment dans le mélange soluté total (fraction molaire d'addition); C* exprime la concentration micellaire critique du système mixte; x1 exprime la fraction molaire de tensioactif dans les micelles mélangés; et x2 exprime la fraction molaire de l'activateur de blanchiment dans les micelles mélangés.
PCT/JP1992/001508 1991-05-15 1992-11-18 Composition de blanchiment liquide WO1994011484A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
PCT/JP1992/001508 WO1994011484A1 (fr) 1992-11-18 1992-11-18 Composition de blanchiment liquide
DE69225246T DE69225246T2 (de) 1992-11-18 1992-11-18 Flüssige bleichmittelzusammensetzung
US08/433,408 US5827447A (en) 1991-05-15 1992-11-18 Liquid bleaching agent composition
EP92923981A EP0670364B1 (fr) 1992-11-18 1992-11-18 Composition de blanchiment liquide
SG1996001492A SG52260A1 (en) 1992-11-18 1992-11-18 Liquid bleaching agent composition
JP5206129A JP2669590B2 (ja) 1992-11-18 1993-08-20 液体漂白剤組成物及びその製法
HK98104365A HK1005206A1 (en) 1992-11-18 1998-05-20 Liquid bleach composition

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
PCT/JP1992/001508 WO1994011484A1 (fr) 1992-11-18 1992-11-18 Composition de blanchiment liquide
SG1996001492A SG52260A1 (en) 1992-11-18 1992-11-18 Liquid bleaching agent composition
JP5206129A JP2669590B2 (ja) 1992-11-18 1993-08-20 液体漂白剤組成物及びその製法

Publications (1)

Publication Number Publication Date
WO1994011484A1 true WO1994011484A1 (fr) 1994-05-26

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PCT/JP1992/001508 WO1994011484A1 (fr) 1991-05-15 1992-11-18 Composition de blanchiment liquide

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WO (1) WO1994011484A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0624640A2 (fr) † 1993-05-13 1994-11-17 The Procter & Gamble Company Composition de blanchiment aqueuse, translucide et isotrope

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4986275A (fr) * 1972-08-11 1974-08-19
JPS62230897A (ja) * 1986-03-10 1987-10-09 ザ・クロロツクス・カンパニ− 液体過酸化水素／過酸水素の先駆体漂白剤
JPH02170898A (ja) * 1988-12-23 1990-07-02 Kao Corp 液体洗浄漂白剤組成物
JPH02212599A (ja) * 1989-02-10 1990-08-23 Kao Corp 液体洗浄漂白剤組成物
JPH02269800A (ja) * 1989-02-27 1990-11-05 Unilever Nv 液体洗剤組成物
JPH0321700A (ja) * 1989-06-19 1991-01-30 Kao Corp 漂白剤又は漂白洗浄剤組成物

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4986275A (fr) * 1972-08-11 1974-08-19
JPS62230897A (ja) * 1986-03-10 1987-10-09 ザ・クロロツクス・カンパニ− 液体過酸化水素／過酸水素の先駆体漂白剤
JPH02170898A (ja) * 1988-12-23 1990-07-02 Kao Corp 液体洗浄漂白剤組成物
JPH02212599A (ja) * 1989-02-10 1990-08-23 Kao Corp 液体洗浄漂白剤組成物
JPH02269800A (ja) * 1989-02-27 1990-11-05 Unilever Nv 液体洗剤組成物
JPH0321700A (ja) * 1989-06-19 1991-01-30 Kao Corp 漂白剤又は漂白洗浄剤組成物

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP0670364A4 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0624640A2 (fr) † 1993-05-13 1994-11-17 The Procter & Gamble Company Composition de blanchiment aqueuse, translucide et isotrope
EP0624640B2 (fr) † 1993-05-13 2009-04-15 The Procter & Gamble Company Composition de blanchiment aqueuse, translucide et isotrope

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