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WO2000043484A1 - Procede servant a traiter des textiles avec un additif de lessive - Google Patents

Procede servant a traiter des textiles avec un additif de lessive Download PDF

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Publication number
WO2000043484A1
WO2000043484A1 PCT/US2000/001385 US0001385W WO0043484A1 WO 2000043484 A1 WO2000043484 A1 WO 2000043484A1 US 0001385 W US0001385 W US 0001385W WO 0043484 A1 WO0043484 A1 WO 0043484A1
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WO
WIPO (PCT)
Prior art keywords
process according
builder
alkyl
acid
group
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/US2000/001385
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English (en)
Inventor
Valerio Del Duca
Andrea Esposito
Milena Leone
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Procter and Gamble Co
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Procter and Gamble Co
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 Procter and Gamble Co filed Critical Procter and Gamble Co
Priority to AU32112/00A priority Critical patent/AU3211200A/en
Priority to US09/889,050 priority patent/US6528471B1/en
Priority to JP2000594893A priority patent/JP2002535446A/ja
Priority to BR0008180-9A priority patent/BR0008180A/pt
Priority to CA002358864A priority patent/CA2358864A1/fr
Publication of WO2000043484A1 publication Critical patent/WO2000043484A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3784—(Co)polymerised monomers containing phosphorus
    • 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
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2075—Carboxylic acids-salts thereof
    • 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
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3757—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions
    • C11D3/3765—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions in liquid compositions
    • 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 process of treating fabrics with liquid peroxygen bleach-containing compositions.
  • Said compositions are suitable for use as laundry additive in addition to a conventional detergent. More particularly, the compositions herein are suitable for use on various fabrics to provide stain removal and/or bleaching performance.
  • Bleach-containing compositions for bleaching fabrics are well known in the art.
  • Liquid peroxygen bleach-containing compositions have been extensively described in the art, especially in laundry applications as laundry detergents, laundry additives or laundry pretreaters.
  • peroxygen bleach-containing compositions as laundry additives to boost the removal of encrusted stains/soils and "problem" stains, such as grease, coffee, tea, grass, mud/clay-containing soils, which are otherwise particularly difficult to remove by typical machine washing.
  • a laundry additive being a liquid composition comprising a peroxygen bleach, a builder and a co-builder as described herein.
  • compositions boost the stain removal performance of various types of stains including greasy stains and/or enzymatic stains when used as a laundry additive as compared to the stain removal performance delivered by the same compositions comprising a different or no builder system.
  • compositions as described herein also provide excellent bleaching performance.
  • compositions according to the present invention are able to perform in a variety of conditions, i.e., in hard and soft water as well as when used neat or diluted.
  • compositions of the present invention are suitable for bleaching any type of fabrics including natural fabrics (e.g., fabrics made of cotton, viscose, linen, silk and wool), synthetic fabrics such as those made of polymeric fibers of synthetic origin as well as those made of both natural and synthetic fibers.
  • natural fabrics e.g., fabrics made of cotton, viscose, linen, silk and wool
  • synthetic fabrics such as those made of polymeric fibers of synthetic origin as well as those made of both natural and synthetic fibers.
  • EP-A-0 686 691 and EP-A-0 844 302 disclose compositions comprising a peroxygen bleach and a citrate or citric acid suitable for use as laundry additives or fabric pretreaters. None of the cited documents discloses a process of bleaching fabrics with a composition comprising a peroxygen bleach, a builder and a modified polycarboxylate co-builder. Summary of the invention
  • the present invention encompasses a process of treating fabrics which comprises the steps of forming an aqueous bath comprising water, a conventional laundry detergent dissolved or dispersed therein and a liquid composition comprising a peroxygen bleach, a builder and a modified polycarboxylate co- builder and subsequently contacting said fabrics with said aqueous bath.
  • the present invention further encompasses the use of a builder and a modified polycarboxylate co-builder in a laundry additive comprising a peroxygen bleach to treat fabrics, whereby stain removal and/or bleaching benefits are provided.
  • the process of treating fabrics according to the present invention comprises the steps of forming an aqueous bath comprising water, a conventional laundry detergent dissolved or dispersed therein and a liquid composition comprising a peroxygen bleach, a builder and a modified polycarboxylate co-builder and subsequently contacting said fabrics with said aqueous bath.
  • the fabrics to be treated are contacted with a liquid composition, as defined herein.
  • a liquid composition as defined herein, is used in addition to a wash liquor formed by dissolution or dispersion of a conventional laundry detergent in water, i.e., the liquid composition is used as a so-called "laundry additive".
  • the dilution level of the liquid composition in an aqueous bath is typically up to 1 :85, preferably up to 1 :50 and more preferably 1 :25 (composition :water).
  • the fabrics are then contacted with the aqueous bath comprising the liquid composition and the conventional laundry detergent. Preferably, the fabrics are finally rinsed.
  • the liquid composition is added to the aqueous bath in its neat form.
  • laundry detergent it is meant herein, a laundry detergent composition currently available on the market.
  • Said laundry detergent compositions may be formulated as powders or as liquids.
  • Suitable laundry detergent compositions are for example DASH futur®, DASH liquid® and products sold under the trade names ARIEL® or TIDE®.
  • the conventional laundry detergent as described herein comprises at least one surface active agent.
  • the contacting of the fabrics with the aqueous bath as described herein may be achieved by means of a washing machine or simply by hand.
  • treating it is meant herein, cleaning, as the composition according to the present invention provides excellent stain removal performance on a broad range of stains and soils and on various surfaces due mainly to the presence of a builder and a co-builder as defined herein, as well as bleaching, as the composition according to the present invention provides excellent bleach performance due mainly to the presence of the peroxygen bleach.
  • liquid compositions are added to the aqueous bath herein without undergoing any dilution, i.e., the liquid compositions herein are added as described herein.
  • compositions according to the present invention are liquid compositions as opposed to a solid or a gas.
  • liquid includes compositions in gel and paste form.
  • compositions of the present invention have a viscosity of 1 cps or greater, more preferably of from 10 to 5000 cps, and still more preferably of from 10 to 2500 cps at 20°C when measured with a CSL 2 100® Rheometer at 20°C with a 4 cm spindle (linear increment from 10 to 100 dyne/cm 2 in 2 minutes).
  • the liquid compositions according to the present invention preferably have a pH of up to 9, more preferably from 2 to 7, and most preferably from 2 to 6.
  • the compositions according to the present invention are formulated in the neutral to the acidic pH range, which contributes to the chemical stability of the compositions and to the stain removal performance of the compositions.
  • the pH of the compositions may be adjusted by an acidifying agent known to those skilled in the art or a mixture thereof. Examples of acidifying agents are inorganic acids such as sulphuric acid.
  • compositions according to the present invention comprise a peroxygen bleach or a mixture thereof. Indeed, the presence of a peroxygen bleach contributes to the excellent bleaching benefits of said compositions.
  • Suitable peroxygen bleaches to be used herein are selected from the group consisting of : hydrogen peroxide; water soluble sources of hydrogen peroxide; organic or inorganic peracids; hydroperoxides; diacyl peroxides; and mixtures thereof.
  • a hydrogen peroxide source refers to any compound that produces perhydroxyl ions on contact with water.
  • Suitable water-soluble sources of hydrogen peroxide for use herein include percarbonates, perborates, persilicates and mixtures thereof.
  • Suitable diacyl peroxides for use herein include aliphatic, aromatic and aliphatic- aromatic diacyl peroxides, and mixtures thereof.
  • Suitable aliphatic diacyl peroxides for use herein are dilauroyl peroxide, didecanoyl peroxide, dimyristoyl peroxide, or mixtures thereof.
  • a suitable aromatic diacyl peroxide for use herein is for example benzoyl peroxide.
  • a suitable aliphatic-aromatic diacyl peroxide for use herein is for example lauroyl benzoyl peroxide.
  • Such diacyl peroxides have the advantage of being particularly safe to fabrics and color while delivering excellent bleaching performance when used in any laundry application.
  • Suitable organic or inorganic peracids for use herein include : persulphates such as monopersulfate; peroxyacids such as diperoxydodecandioic acid (DPDA); magnesium perphthalic acid; perlauric acid; phthaloyl amidoperoxy caproic acid (PAP); perbenzoic and alkylperbenzoic acids; and mixtures thereof.
  • persulphates such as monopersulfate
  • peroxyacids such as diperoxydodecandioic acid (DPDA); magnesium perphthalic acid; perlauric acid; phthaloyl amidoperoxy caproic acid (PAP); perbenzoic and alkylperbenzoic acids; and mixtures thereof.
  • DPDA diperoxydodecandioic acid
  • PAP phthaloyl amidoperoxy caproic acid
  • perbenzoic and alkylperbenzoic acids and mixtures thereof.
  • Suitable hydroperoxides for use herein are tert-butyl hydroperoxide, cumyl hydroperoxide, 2,4,4-trimethylpentyl-2-hydroperoxide, di-isopropylbenzene- monohydroperoxide, tert-amyl hydroperoxide and 2,5-dimethyl-hexane-2,5- dihydroperoxide and mixtures thereof.
  • Such hydroperoxides have the advantage to be particularly safe to fabrics and color while delivering excellent bleaching performance when used in any laundry application.
  • Preferred peroxygen bleaches herein are selected from the group consisting of : hydrogen peroxide; water soluble sources of hydrogen peroxide; organic or inorganic peracids; hydroperoxides; and diacyl peroxides; and mixtures thereof. More preferred peroxygen bleaches herein are selected from the group consisting of hydrogen peroxide and diacyl peroxides and mixtures thereof. Even more preferred peroxygen bleaches herein are selected from the group consisting of hydrogen peroxide, aliphatic diacyl peroxides, aromatic diacyl peroxides and aliphatic-aromatic diacyl peroxides and mixtures thereof.
  • compositions herein may comprise from 0.01 % to 20%, preferably from 0.3% to 15% and more preferably from 0.5% to 10% by weight of the total composition of said peroxygen bleach or a mixture thereof.
  • compositions herein comprise one or more builders.
  • Suitable builders are selected from the group consisting of : organic acids and salts thereof; polycarboxylates; and mixtures thereof.
  • said builders have a calcium chelating constant (pKCa) of at least 3.
  • pKCa calcium chelating constant
  • the value of a builder or a mixture thereof is measured using an 0.1 M NH 4 CI-NH 4 OH buffer (pH 10 at 25°C) and a 0.1 % solution of said builder or mixture thereof with a standard calcium ion electrode.
  • builders are organic acids like citric acid, lactic acid, tartaric acid, oxalic acid, malic acid, monosuccinic acid, disuccinic acid, oxydisuccinic acid, carboxymethyl oxysuccinic acid, diglycolic acid, carboxymethyl tartronate, ditartronate and other organic acid or mixtures thereof.
  • Suitable salts of organic acids include alkaline, preferably sodium or potassium, alkaline earth metal, ammonium or alkanolamine salts.
  • Such organic acids and the salts thereof are commercially available from Jungbunzlaur, Haarman & Reimen, Sigma-Aldrich or Fluka.
  • polycarboxylate refers to compounds having a plurality of carboxylate groups, preferably at least 3 carboxylates.
  • Polycarboxylate builder can generally be added to the composition in acid form, but can also be added in the form of a neutralized salt or "overbased". When utilized in salt form, alkali metals, such as sodium, potassium, and lithium, or alkanolammonium salts are preferred.
  • Useful polycarboxylates include homopolymers of acrylic acid and copolymers of acrylic acid and maleic acid.
  • polycarboxylate builders include the ether hydroxypolycarboxylat.es, copolymers of maleic anhydride with ethylene or vinyl methyl ether, 1 ,3,5- trihydroxy benzene-2,4,6-trisulfonic acid, and carboxymethyloxysuccinic acid, the various alkali metal, ammonium and substituted ammonium salts of polyacetic acids such as nitrilotriacetic acid, as well as polycarboxylates such as mellitic acid, succinic acid, oxydisuccinic acid, polymaleic acid, benzene 1 ,3,5- tricarboxylic acid, carboxymethyloxysuccinic acid, and soluble salts thereof.
  • polyacetic acids such as nitrilotriacetic acid
  • polycarboxylates such as mellitic acid, succinic acid, oxydisuccinic acid, polymaleic acid, benzene 1 ,3,5- tricarboxylic
  • Suitable polycarboxylates are commercially available from Rohm & Haas under the trade name Norasol® or Acusol®.
  • Preferred builders herein are selected from the group consisting of : citric acid; tartaric acid; tartrate monosuccinate; tartrate disuccinate; lactic acid; oxalic acid; and malic acid; and mixtures thereof. Even more preferred builders herein are selected from the group consisting of : citric acid; tartaric acid; tartrate monosuccinate; tartrate disuccinate; and malic acid; and mixtures thereof. The most preferred builders herein are selected from the group consisting of : citric acid; tartaric acid; tartrate monosuccinate; and tartrate disuccinate; and mixtures thereof.
  • compositions herein may comprise up to 40%, preferably from 0.01 % to 25%, more preferably from 0.1 % to 15%, and most preferably from 0.5% to 10% by weight of the total composition of said builder.
  • compositions herein comprise a modified polycarboxylate co-builder.
  • polycarboxylate refers to compounds having a plurality of carboxylate groups, preferably at least 3 carboxylates.
  • modified polycarboxylate it is meant herein that at least at one end of the polycarboxylate compound, i.e., the polycarboxylate chain, said compound is modified by a functional group, e.g., a phosphono group.
  • Preferred modified polycarboxylate co-builders are polycarboxylates with phosphono end groups.
  • phosphono end group it is meant herein a phosphono functional group according to the formula :
  • each M is independently H or a cation, preferably both M are H.
  • Suitable polycarboxylates with phosphono end groups are copolymers of acrylic acid and maleic acid having a phosphono end group and homopolymers of acrylic acid having a phosphono end group.
  • a preferred modified polycarboxylate is a copolymer of acrylic acid and maleic acid with a phosphonic/phosphono end group according to the general formula :
  • n is from 10 mol% to 90 mol%, preferably 80 mol% and m is from 10 mol% to 90 mol%, preferably 20 mol%.
  • an example of a suitable modified polycarboxylate is a copolymer of acrylic acid and maleic acid (80/20) with a phosphonic/phosphono end group according to the formula :
  • n 80 mol% and m is 20 mol%; having an average molecular weight of 2000.
  • Such modified polycarboxylate are available from Rohm & Haas under the trade name Acusol 425®, Acusol 420® or Acusol 470®.
  • compositions herein may comprise up to 40%, preferably from 0.01 % to 25%, more preferably from 0.1 % to 15%, and most preferably from 0.5% to 5% by weight of the total composition of said modified polycarboxylate co-builder.
  • a significant co-operation has been observed between a builder and a modified polycarboxylate co-builder in a peroxygen bleach-containing composition when used as a laundry additive.
  • the co-operation results in improved stain removal performance on a variety of soils, from particulate to non-particulate soils from hydrophobic to hydrophilic soils on both hydrophilic and hydrophobic fabrics.
  • the present invention is based on the finding that compositions comprising a peroxygen bleach, a builder and a co-builder as described herein when used as a laundry additive, show an excellent stain removal performance on various types of stains including greasy stains (e.g., lipstick, olive oil, mayonnaise, vegetal oil, sebum, make-up) and enzymatic stains.
  • greasy stains e.g., lipstick, olive oil, mayonnaise, vegetal oil, sebum, make-up
  • the stain removal performance is improved, as compared to the stain removal performance delivered by the use of the same compositions as a laundry additive but without a builder system or comprising a different builder system.
  • the bleaching compositions as described herein also provide excellent bleaching performance.
  • the stain removal performance may be evaluated by the following test methods on various types of stains.
  • a suitable test method for evaluating the stain removal performance on a soiled fabric under through the wash conditions is the following:
  • a peroxygen bleach- containing composition according to the present invention is added neat into a standard washing machine in combination with a conventional laundry detergent (e.g., DASH futur® or DASH liquid®).
  • a stained fabric e.g., a fabric stained with a greasy stain or an enzymatic stain
  • After the treatment said fabric is compared to a similarly stained fabric treated as described above but with a peroxygen bleach-containing composition comprising no or another builder system as described herein.
  • a visual grading may be used to assign difference in panel units (psu) in a range from 0 to 4.
  • the bleaching performance may be evaluated as for the stain removal performance but the stains used are bleachable stains like coffee, tea and the like.
  • compositions herein may further comprise a variety of other optional ingredients such as chelating agents, surfactants, stabilisers, bleach activators, soil suspenders, soil suspending polyamine polymers, polymeric soil release agents, foam reducing systems, radical scavengers, catalysts, dye transfer agents, brighteners, perfumes, hydrotropes, solvents, pigments and dyes.
  • compositions of the present invention may further comprise a surfactant or a mixture thereof including nonionic surfactants, zwitterionic surfactants, anionic surfactants, cationic surfactants and/or amphoteric surfactants.
  • compositions according to the present invention comprise a nonionic surfactant or a zwitterionic betaine surfactant or a mixture thereof.
  • compositions according to the present invention comprise a sulphonated anionic surfactant. More preferably said composition further comprises a second surfactant selected from the group consisting of nonionic surfactants, amphoteric surfactants, zwitterionic surfactants and mixtures thereof.
  • the compositions according to the present invention may comprise from 0.01 % to 30%, preferably from 0.1 % to 25 % and more preferably from 0.5% to 20% by weight of the total composition of a surfactant.
  • Suitable nonionic surfactants include alkoxylated nonionic surfactants.
  • Preferred alkoxylated nonionic surfactants herein are ethoxylated nonionic surfactants according to the formula RO-(C2H4 ⁇ ) n H, wherein R is a CQ to C22 alkyl chain or a CQ to C28 a'kyl benzene chain, and wherein n is from 0 to 20, preferably from 1 to 15 and, more preferably from 2 to 15 and most preferably from 2 to 12.
  • the preferred R chains for use herein are the C ⁇ to C22 alkyl chains.
  • Propoxylated nonionic surfactants and ethoxy/propoxylated ones may also be used herein instead of the ethoxylated nonionic surfactants as defined herein above or together with said surfactants
  • Preferred ethoxylated nonionic surfactants are according to the formula above and have an HLB (hydrophilic-lipophilic balance) below 16, preferably below 15, and more preferably below 14. Those ethoxylated nonionic surfactants have been found to provide good grease cutting properties.
  • Dobanol® surfactants are commercially available from SHELL.
  • Lutensol® surfactants are commercially available from BASF and these Tergitol® surfactants are commercially available from UNION CARBIDE.
  • Suitable chemical processes for preparing the alkoxylated nonionic surfactants for use herein include condensation of corresponding alcohols with alkylene oxide, in the desired proportions. Such processes are well known to the man skilled in the art and have been extensively described in the art.
  • compositions herein may desirably comprise one of those ethoxylated nonionic surfactants or a mixture of those ethoxylated nonionic surfactants having different HLBs (hydrophilic-lipophilic balance).
  • the compositions herein comprise an ethoxylated nonionic surfactant according to the above formula and having an HLB up to 10 (i.e., a so called hydrophobic ethoxylated nonionic surfactant), preferably below 10, more preferably below 9, and an ethoxylated nonionic surfactant according to the above formula and having an HLB above 10 to 16 (i.e., a so called hydrophilic ethoxylated nonionic surfactant), preferably from 11 to 14.
  • compositions of the present invention typically comprise from 0.01% to 15% by weight of the total composition of said hydrophobic ethoxylated nonionic surfactant, preferably from 0.5% to 10% and from 0.01 % to 15% by weight of said hydrophilic ethoxylated nonionic surfactant, preferably from 0.5% to 10%.
  • Such mixtures of ethoxylated nonionic surfactants with different HLBs may be desired as they allow optimum grease cleaning removal performance on a broader range of greasy soils having different hydrophobic/hydrophilic characters.
  • nonionic surfactants include polyhydroxy fatty acid amide surfactants, or mixtures thereof, according to the formula:
  • R1 is H, or C ⁇ _C4 alkyl, C1.C4 hydrocarbyl, 2-hydroxy ethyl, 2-hydroxy propyl or a mixture thereof
  • R 2 is C5.C31 hydrocarbyl
  • Z is a polyhydroxyhydrocarbyl having a linear hydrocarbyl chain with at least 3 hydroxyls directly connected to the chain, or an alkoxylated derivative thereof.
  • R1 is C-
  • R 2 is a straight chain J.
  • ⁇ Q alkyl or alkenyl preferably a straight chain Cg_Ci8 alkyl or alkenyl, more preferably a straight chain C-) 1-C18 alkyl or alkenyl, and most preferably a straight chain C-
  • Z preferably will be derived from a reducing sugar in a reductive amination reaction; more preferably Z is a glycityl.
  • Suitable reducing sugars include glucose, fructose, maltose, lactose, galactose, mannose and xylose.
  • high dextrose corn syrup, high fructose corn syrup, and high maltose corn syrup can be utilized as well as the individual sugars listed above. These corn syrups may yield a mix of sugar components for Z. It should be understood that it is by no means intended to exclude other suitable raw materials.
  • Z preferably will be selected from the group consisting of -CH2-(CHOH) n -CH2OH, -CH(CH2OH)-
  • R 2 - C(O) - N(R 1 ) - Z R can be, for example, N-methyl, N-ethyl, N- propyl, N-isopropyl, N-butyl, N-2-hydroxy ethyl, or N-2-hydroxy propyl.
  • R 2 - C(O) - N ⁇ can be, for example, cocamide, stearamide, oleamide, lauramide, myristamide, capricamide, palmitamide, tallowamide and the like.
  • Z can be 1- deoxyglucityl, 2-deoxyfructityl, 1-deoxymaltityI, 1-deoxylactityl, 1-deoxygalactityl, 1-deoxymannityl, 1-deoxymaltotriotityl and the like.
  • Suitable polyhydroxy fatty acid amide surfactants to be used herein may be commercially available under the trade name HOE® from Hoechst.
  • polyhydroxy fatty acid amide surfactants are known in the art. In general, they can be made by reacting an alkyl amine with a reducing sugar in a reductive amination reaction to form a corresponding N-alkyl polyhydroxyamine, and then reacting the N-alkyl polyhydroxyamine with a fatty aliphatic ester or triglyceride in a condensation/amidation step to form the N-alkyl, N-polyhydroxy fatty acid amide product.
  • compositions containing polyhydroxy fatty acid amides are disclosed for example in GB patent specification 809,060, published February 18, 1959, by Thomas Hedley & Co., Ltd., US patent 2,965,576, issued December 20, 1960 to E.R. Wilson, US patent 2,703,798, Anthony M. Schwartz, issued March 8, 1955, US patent 1 ,985,424, issued December 25, 1934 to Piggott and WO92/06070, each of which is incorporated herein by reference.
  • Suitable zwitterionic betaine surfactants for use herein contain both a cationic hydrophilic group, i.e., a quaternary ammonium group, and anionic hydrophilic group on the same molecule at a relatively wide range of pH's.
  • the typical anionic hydrophilic groups are carboxylates and sulphonates, although other groups like sulfates, phosphonates, and the like can be used.
  • a generic formula for the zwitterionic betaine surfactant to be used herein is :
  • R ⁇ is a hydrophobic group
  • R2 is hydrogen, C ⁇ -CQ alkyl, hydroxy alkyl or other substituted C* ⁇ -CQ alkyl group
  • R3 is C ⁇ -CQ alkyl, hydroxy alkyl or other substituted C ⁇ -CQ alkyl group which can also be joined to R2 to form ring structures with the N, or a Ci-C ⁇ sulphonate group
  • R4 is a moiety joining the cationic nitrogen atom to the hydrophilic group and is typically an alkylene, hydroxy alkylene, or polyalkoxy group containing from 1 to 10 carbon atoms
  • X is the hydrophilic group, which is a carboxylate or sulphonate group.
  • are aliphatic or aromatic, saturated or unsaturated, substituted or unsubstituted hydrocarbon chains that can contain linking groups such as amido groups, ester groups.
  • More preferred Ri is an alkyl group containing from 1 to 24 carbon atoms, preferably from 8 to 18, and more preferably from 10 to 16. These simple alkyl groups are preferred for cost and stability reasons.
  • the hydrophobic group R-j can also be an amido radical of the formula Ra-C(O)-NH-(C(Rb)2)m> wherein R a is an aliphatic or aromatic, saturated or unsaturated, substituted or unsubstituted hydrocarbon chain, preferably an alkyl group containing from 8 up to 20 carbon atoms, preferably up to 18, more preferably up to 16, R is selected from the group consisting of hydrogen and hydroxy groups, and m is from 1 to 4, preferably from 2 to 3, more preferably 3, with no more than one hydroxy group in any (C(Rb)2) moiety.
  • Preferred R2 is hydrogen, or a C-1-C3 alkyl and more preferably methyl.
  • Preferred R3 is C1-C4 sulphonate group, or a C1-C3 alkyl and more preferably methyl.
  • Preferred R4 is (CH2)n wherein n is an integer from 1 to 10, preferably from 1 to
  • betaine/sulphobetaine Some common examples of betaine/sulphobetaine are described in U.S. Pat. Nos. 2,082,275, 2,702,279 and 2,255,082, incorporated herein by reference.
  • alkyldimethyl betaines examples include coconut-dimethyl betaine, lauryl dimethyl betaine, decyl dimethyl betaine, 2-(N-decyl-N, N-dimethyl- ammonia)acetate, 2-(N-coco N, N-dimethylammonio) acetate, myristyl dimethyl betaine, palmityl dimethyl betaine, cetyl dimethyl betaine, stearyl dimethyl betaine.
  • coconut dimethyl betaine is commercially available from Seppic under the trade name of Amonyl 265®.
  • Lauryl betaine is commercially available from Albright & Wilson under the trade name Empigen BB/L®.
  • amidobetaines include cocoamidoethylbetaine, cocoamidopropyl betaine or C10-C14 fatty acylamidopropylene(hydropropylene)sulfobetaine.
  • C10-C14 fatty acylamidopropylene(hydropropylene)sulfobetaine is commercially available from Sherex Company under the trade name "Varion CAS ® sulfobetaine".
  • betaine Lauryl-immino-dipropionate commercially available from Rhone-Poulenc under the trade name Mirataine H2C-HA®.
  • Suitable anionic surfactants to be used in the compositions herein include water- soluble salts or acids of the formula ROSO3M wherein R preferably is a C10-C-24 hydrocarbyl, preferably an alkyl or hydroxyalkyl having a C10-C20 alkyl component, more preferably a C «
  • Suitable anionic surfactants for use herein are water-soluble salts or acids of the formula RO(A) m SO3M wherein R is an unsubstituted C-jo-C24 alkyl or hydroxyalkyl group having a C10-C24 alkyl component, preferably a C12- 20 alkyl or hydroxyalkyl, more preferably C-12-C18 alkyl or hydroxyalkyl, A is an ethoxy or propoxy unit, m is greater than zero, typically between 0.5 and 6, more preferably between 0.5 and 3, and M is H or a cation which can be, for example, a metal cation (e.g., sodium, potassium, lithium, calcium, magnesium, etc.), ammonium or substituted-ammonium cation.
  • R is an unsubstituted C-jo-C24 alkyl or hydroxyalkyl group having a C10-C24 alkyl component, preferably a C12- 20 alkyl or hydroxyalkyl,
  • Alkyl ethoxylated sulfates as well as alkyl propoxylated sulfates are contemplated herein.
  • Specific examples of substituted ammonium cations include methyl-, dimethyl-, trimethyl-ammonium and quaternary ammonium cations, such as tetramethyl-ammonium, dimethyl piperdinium and cations derived from alkanolamines such as ethylamine, diethylamine, triethylamine, mixtures thereof, and the like.
  • Exemplary surfactants are C12-C18 alkyl polyethoxylate (1.0) sulfate (Ci2-C-
  • Suitable anionic surfactants for use herein are sulphonated anionic surfactants.
  • Suitable sulphonated anionic surfactants for use herein include alkyl sulphonates, alkyl aryl sulphonates, naphthalene sulphonates, alkyl alkoxylated sulphonates, C6-C20 alkyl alkoxylated linear or branched diphenyl oxide disulphonates, or mixtures thereof.
  • Suitable alkyl sulphonates for use herein include water-soluble salts or acids of the formula RSO3M wherein R is a C6-C20 linear or branched, saturated or unsaturated alkyl group, preferably a C8-C18 alkyl group and more preferably a C-14-C17 alkyl group, and M is H or a cation, e.g., an alkali metal cation (e.g., sodium, potassium, lithium), or ammonium or substituted ammonium (e.g., methyl-, dimethyl-, and trimethyl ammonium cations and quaternary ammonium cations, such as tetramethyl-ammonium and dimethyl piperdinium cations and quaternary ammonium cations derived from alkylamines such as ethylamine, diethylamine, triethylamine, and mixtures thereof, and the like).
  • RSO3M water-soluble salts or acids of the formula
  • Suitable alkyl aryl sulphonates for use herein include water-soluble salts or acids of the formula RSO3M wherein R is an aryl, preferably a benzyl, substituted by a
  • C ⁇ -C20 linear or branched saturated or unsaturated alkyl group preferably a C ⁇ - C-
  • M is H or a cation, e.g., an alkali metal cation (e.g., sodium, potassium, lithium, calcium, magnesium and the like) or ammonium or substituted ammonium (e.g., methyl-, dimethyl-, and trimethyl ammonium cations and quaternary ammonium cations, such as tetramethyl-ammonium and dimethyl piperdinium cations and quaternary ammonium cations derived from alkylamines such as ethylamine, diethylamine, triethylamine, and mixtures thereof, and the like).
  • alkali metal cation e.g., sodium, potassium, lithium, calcium, magnesium and the like
  • ammonium or substituted ammonium e
  • Particularly suitable linear alkyl sulphonates include C14-C-17 paraffin sulphonate like Hostapur ® SAS commercially available from Hoechst.
  • An example of commercially available alkyl aryl sulphonate is Lauryl aryl sulphonate from Su.Ma..
  • Particularly preferred alkyl aryl sulphonates are alkyl benzene sulphonates commercially available under trade name Nansa® available from Albright&Wilson.
  • linear alkyl sulphonate it is meant herein a non-substituted alkyl sulphonate wherein the alkyl chain comprises from 6 to 20 carbon atoms, preferably from 8 to 18 carbon atoms, and more preferably from 14 to 17 carbon atoms, and wherein this alkyl chain is sulphonated at one terminus.
  • Suitable alkoxylated sulphonate surfactants for use herein are according to the formula R(A) m SO3M wherein R is an unsubstituted C ⁇ -C20 alkyl, hydroxyalkyl or alkyl aryl group, having a linear or branched C6-C20 alkyl component, preferably a C12-C20 a'kyl or hydroxyalkyl, more preferably C12-C18 alkyl or hydroxyalkyl, A is an ethoxy or propoxy or butoxy unit, m is greater than zero, typically between 0.5 and 6, more preferably between 0.5 and 3, and M is H or a cation which can be, for example, a metal cation (e.g., sodium, potassium, lithium, calcium, magnesium, etc.), ammonium or substituted-ammonium cation.
  • R is an unsubstituted C ⁇ -C20 alkyl, hydroxyalkyl or alkyl aryl group, having a linear
  • Alkyl ethoxylated sulphonates, alkyl butoxylated sulphonates as well as alkyl propoxylated sulphonates are contemplated herein.
  • Specific examples of substituted ammonium cations include methyl-, dimethyl-, trimethyl-ammonium and quaternary ammonium cations, such as tetramethyl-ammonium, dimethyl piperdinium and cations derived from alkanolamines such as ethylamine, diethylamine, triethylamine, mixtures thereof, and the like.
  • Exemplary surfactants are Ci2" c 18 alkyl polyethoxylate (1.0) sulphonate (C-]2-Ci8E(1.0) SO3M), C12- C ⁇
  • Particularly suitable alkoxylated sulphonates include alkyl aryl polyether sulphonate like Triton X-200® commercially available from Union Carbide.
  • Suitable C6-C20 alkyl alkoxylated linear or branched diphenyl oxide disulphonate surfactants for use herein are according to the following formula:
  • R is a C6-C-20 linear or branched, saturated or unsaturated alkyl group, preferably a C-12-C 8 alkyl group and more preferably a C-14-C16 alkyl group
  • X+ is H or a cation, e.g., an alkali metal cation (e.g., sodium, potassium, lithium, calcium, magnesium and the like).
  • alkali metal cation e.g., sodium, potassium, lithium, calcium, magnesium and the like.
  • alkyl alkoxylated linear or branched diphenyl oxide disulphonate surfactants to be used herein are the C12 branched di phenyl oxide disulphonic acid and C ⁇
  • anionic surfactants useful for detersive purposes can also be used herein.
  • salts including, for example, sodium, potassium, ammonium, and substituted ammonium salts such as mono-, di- and triethanolamine salts
  • soap sulphonated polycarboxylic acids prepared by sulphonation of the pyrolyzed product of alkaline earth metal citrates, e.g., as described in British patent specification No. 1 ,082,179, C8-C24 alkylpolyglycolethersulfates (containing up to
  • alkyl ester sulphonates such as C-
  • acyl glycerol sulphonates such as C-
  • acyl glycerol sulphonates such as C-
  • acyl glycerol sulphonates such as C-
  • acyl glycerol sulphonates such as C-
  • acyl glycerol sulphonates such as C-
  • acyl glycerol sulphonates such as C-
  • acyl glycerol sulphonates such as C-
  • Resin acids and hydrogenated resin acids are also suitable, such as rosin, hydrogenated rosin, and resin acids and hydrogenated resin acids present in or derived from tall oil. Further examples are given in "Surface Active Agents and Detergents" (Vol. I and II by Schwartz, Perry and Berch). A variety of such surfactants are also generally disclosed in U.S. Patent 3,929,678, issued December 30, 1975, to Laughlin, et al. at Column 23, line 58 through Column 29, line 23 (herein incorporated by reference).
  • acyl sarcosinate or mixtures thereof, in its acid and/or salt form preferably long chain acyl sarcosinates having the following formula:
  • M is hydrogen or a cationic moiety and wherein R is an alkyl group of from 11 to 15 carbon atoms, preferably of from 11 to 13 carbon atoms.
  • M are hydrogen and alkali metal salts, especially sodium and potassium.
  • Said acyl sarcosinate surfactants are derived from natural fatty acids and the amino- acid sarcosine (N-methyl glycine). They are suitable to be used as aqueous solution of their salt or in their acidic form as powder. Being derivatives of natural fatty acids, said acyl sarcosinates are rapidly and completely biodegradable and have good skin compatibility.
  • suitable long chain acyl sarcosinates to be used herein include C12 acyl sarcosinate (i.e., an acyl sarcosinate according to the above formula wherein M is hydrogen and R is an alkyl group of 11 carbon atoms) and C14 acyl sarcosinate (i.e., an acyl sarcosinate according to the above formula wherein M is hydrogen and R is an alkyl group of 13 carbon atoms).
  • C-12 acyl sarcosinate is commercially available, for example, as Hamposyl L-30® supplied by Hampshire.
  • 4 acyl sarcosinate is commercially available, for example, as Hamposyl M-30® supplied by Hampshire.
  • Suitable amphoteric surfactants to be used herein include amine oxides having the following formula R1 R2R3NO wherein each of R-
  • Preferred amine oxide surfactants to be used according to the present invention are amine oxides having the following formula R-1 R2R3NO wherein R-
  • R1 may be a saturated substituted or unsubstituted linear or branched hydrocarbon chain.
  • Suitable amine oxides for use herein are for instance natural blend C8-C-jo amine oxides as well as C12-C16 amine oxides commercially available from Hoechst.
  • compositions of the present invention may comprise a chelating agent as a preferred optional ingredient.
  • Suitable chelating agents may be any of those known to those skilled in the art, such as the ones selected from the group comprising phosphonate chelating agents, amino carboxylate chelating agents, other carboxylate chelating agents, polyfunctionally-substituted aromatic chelating agents, ethylenediamine N,N'- disuccinic acids, or mixtures thereof.
  • a chelating agent may be desired in the compositions of the present invention as it allows to increase the ionic strength of the compositions herein and thus their stain removal and bleaching performance on various surfaces.
  • the presence of chelating agents may also contribute to reduce the tensile strength loss of fabrics and/or color damage, especially in a laundry through the wash application. Indeed, the chelating agents inactivate the metal ions present on the surface of the fabrics and/or in the cleaning compositions (neat or diluted) that otherwise would contribute to the radical decomposition of the peroxygen bleach.
  • Suitable phosphonate chelating agents to be used herein may include alkali metal ethane 1 -hydroxy diphosphonates (HEDP), alkylene poly (alkylene phosphonate), as well as amino phosphonate compounds, including amino aminotri(methylene phosphonic acid) (ATMP), nitrilo trimethylene phosphonates (NTP), ethylene diamine tetra methylene phosphonates, and diethylene triamine penta methylene phosphonates (DTPMP).
  • the phosphonate compounds may be present either in their acid form or as salts of different cations on some or all of their acid functionalities.
  • Preferred phosphonate chelating agents to be used herein are diethylene triamine penta methylene phosphonate (DTPMP) and ethane 1- hydroxy diphosphonate (HEDP).
  • DTPMP diethylene triamine penta methylene phosphonate
  • HEDP ethane 1- hydroxy diphosphonate
  • Such phosphonate chelating agents are commercially available from Monsanto under the trade name DEQUEST®-
  • Polyfunctionally-substituted aromatic chelating agents may also be useful in the compositions herein. See U.S. patent 3,812,044, issued May 21 , 1974, to Connor et al.
  • Preferred compounds of this type in acid form are dihydroxydisulfobenzenes such as 1 ,2-dihydroxy -3,5-disulfobenzene.
  • a preferred biodegradable chelating agent for use herein is ethylene diamine N,N'- disuccinic acid, or alkali metal, or alkaline earth, ammonium or substitutes ammonium salts thereof or mixtures thereof.
  • Ethylenediamine N,N'- disuccinic acids especially the (S,S) isomer, have been extensively described in US patent 4, 704, 233, November 3, 1987, to Hartman and Perkins.
  • Ethylenediamine N,N'- disuccinic acid is, for instance, commercially available under the tradename ssEDDS® from Palmer Research Laboratories.
  • Suitable amino carboxylates to be used herein include ethylene diamine tetra acetates, diethylene triamine pentaacetates, diethylene triamine pentaacetate (DTPA).N- hydroxyethylethylenediamine triacetates, nitrilotri-acetates, ethylenediamine tetrapropionates, triethylenetetraaminehexa-acetates, ethanol- diglycines, propylene diamine tetracetic acid (PDTA) and methyl glycine di-acetic acid (MGDA), both in their acid form, or in their alkali metal, ammonium, and substituted ammonium salt forms.
  • PDTA propylene diamine tetracetic acid
  • MGDA methyl glycine di-acetic acid
  • Particularly suitable amino carboxylates to be used herein are diethylene triamine penta acetic acid, propylene diamine tetracetic acid (PDTA) which is, for instance, commercially available from BASF under the trade name Trilon FS® and methyl glycine di-acetic acid (MGDA).
  • PDTA propylene diamine tetracetic acid
  • MGDA methyl glycine di-acetic acid
  • carboxylate chelating agents to be used herein include salicylic acid, aspartic acid, glutamic acid, glycine, malonic acid or mixtures thereof.
  • Another chelating agent for use herein is of the formula:
  • R-j , R2, R3, and R4 are independently selected from the group consisting of -H, alkyl, alkoxy, aryl, aryloxy, -CI, -Br, -NO2, -C(O)R ⁇ and -SO2R"; wherein R' is selected from the group consisting of -H, -OH, alkyl, alkoxy, aryl, and aryloxy; R" is selected from the group consisting of alkyl, alkoxy, aryl, and aryloxy; and R5,
  • Rg, R7, and R8 are independently selected from the group consisting of -H and alkyl.
  • Particularly preferred chelating agents to be used herein are amino aminotri(methylene phosphonic acid), di-ethylene-triamino-pentaacetic acid, diethylene triamine penta methylene phosphonate, 1 -hydroxy ethane diphosphonate, ethylenediamine N, N'-disuccinic acid, and mixtures thereof.
  • compositions according to the present invention may comprise up to 5%, preferably from 0.01 % to 1.5% by weight and more preferably from 0.01 % to 0.5% by weight of the total composition of a chelating agent.
  • compositions according to the present invention may further comprise a solvent or a mixture thereof.
  • Preferred solvents herein include hydrophobic solvents, hydrophilic solvents and mixtures hereof.
  • hydrophilic index HI
  • hydrophilic part of a given solvent it is meant herein all the groups O, CO, OH, of a given solvent.
  • molecular weight of the hydrophilic part of a solvent it is meant herein the total molecular weight of all the hydrophilic parts of a given solvent.
  • hydrophilic solvents to be used herein have a hydrophilic index of more than 18, preferably more than 25, and more preferably more than 30, and the hydrophobic solvents to the used herein have a hydrophilic index of less than 18, preferably less than 17 and more preferably 16 or less.
  • Suitable hydrophobic solvents to be used herein include paraffins, terpenes or terpene derivatives, as well as alkoxylated aliphatic or aromatic alcohols, aliphatic or aromatic alcohols, glycols or alkoxylated glycols, and mixtures thereof, all these solvents have a hydrophilic index of less than 18.
  • Suitable terpenes are mono-and bicyclic monoterpenes, especially those of the hydrocarbon class, which include the terpinenes, terpinolenes, limonenes and pinenes and mixtures thereof. Highly preferred materials of this type are d-limonene, dipentene, alpha-pinene and/or beta- pinene.
  • pinene is commercially available form SCM Glidco (Jacksonville) under the name Alpha Pinene P&F®.
  • Terpene derivatives such as alcohols, aldehydes, esters, and ketones which have a hydrophilic index of less than 18 can also be used herein.
  • Such materials are commercially available as, for example, the ⁇ and ⁇ isomers of terpineol and linalool.
  • paraffins hydrophilic index of 0
  • paraffins hydrophilic index of 0
  • octane octane
  • Octane is commercially available for example from BASF.
  • Suitable hydrophobic alkoxylated aliphatic or aromatic alcohols to be used herein are according to the formula R-(A) n -OH wherein R is a linear or branched saturated or unsaturated alkyl group, or alkyl substituted or non-alkyl substituted aryl group of from 1 to 20, preferably from 2 to 15 and more preferably from 2 to 10 carbon atoms, wherein A is an alkoxy group preferably an butoxy, propoxy and/or ethoxy group, and n is an integer of from 1 to 5, preferably 1 to 2.
  • Suitable hydrophobic aliphatic or aromatic alcohols to be used herein are according to the formula R-OH wherein R is a linear or branched saturated or unsaturated alkyl group, or alkyl substituted or non-alkyl substituted aryl group of from 1 to 20, preferably from 2 to 15 and more preferably from 2 to 10 carbon atoms.
  • Suitable hydrophobic glycols to be used herein are according to the formula HO- CR1 R2-OH wherein R ⁇
  • Suitable hydrophobic alkoxylated glycols to be used herein are according to the formula R-(A) n -R-)-OH wherein R is H, OH, a linear saturated or unsaturated alkyl of from 1 to 20, preferably from 2 to 15 and more preferably from 2 to 10 carbon atoms, wherein R-
  • hydrophobic solvents to be used herein include d-limonene, dipentene, alpha-pinene, beta-pinene, octane, benzyl alcohol, or mixtures thereof.
  • Suitable hydrophilic solvents to be used herein include alkoxylated aliphatic or aromatic alcohols, aliphatic or aromatic alcohols, glycols or alkoxylated glycols, and mixtures thereof, all these solvents having a hydrophilic index of more than 18.
  • Suitable hydrophilic alkoxylated aliphatic or aromatic alcohols to be used herein are according to the formula R-(A) n -OH wherein R is a linear or branched saturated or unsaturated alkyl group, or alkyl substituted or non-alkyl substituted aryl group of from 1 to 20, preferably from 2 to 15 and more preferably from 2 to 10 carbon atoms, wherein A is an alkoxy group preferably a butoxy, propoxy and/or ethoxy group, and n is an integer of from 1 to 5, preferably 1 to 2.
  • Suitable hydrophilic aliphatic or aromatic alcohols to be used herein are according to the formula R-OH wherein R is a linear or branched saturated or unsaturated alkyl group, or alkyl substituted or non-alkyl substituted aryl group of from 1 to 20, preferably from 2 to 15 and more preferably from 2 to 10 carbon atoms.
  • Suitable hydrophilic glycols to be used herein are according to the formula HO- CR1 R2-OH wherein R-
  • Suitable hydrophilic alkoxylated glycols to be used herein are according to the formula R-(A) n -R ⁇ -OH wherein R is H, OH, a linear saturated or unsaturated alkyl group of from 1 to 20, preferably from 2 to 15 and more preferably from 2 to 10 carbon atoms, wherein R ⁇
  • compositions according to the present invention may comprise up to 30%, preferably from 0.01% to 15%, more preferably from 0.1% to 10%, and most preferably from 0.5% to 5% by weight of the total composition of a solvent.
  • compositions herein comprise a mixture of a hydrophobic solvent and a hydrophilic solvent
  • weight ratio of said hydrophobic solvent to said hydrophilic is from 1 :20 to 1 :1 , more preferably from 1 : 14 to 1 : 2.
  • Solvents when present, contribute to the excellent stain removal performance of the compositions used in a process as described herein.
  • compositions according to the present invention may further comprise a foam reducing agent or a mixture thereof.
  • foam reducing agents known to those skilled in the art are suitable for use herein.
  • a foam reducing system comprising a fatty acid together with a capped alkoxylated nonionic surfactant as defined herein after and/or silicone is used.
  • compositions herein may comprise from 1 - 10 "4 % to 10%, preferably from 1 -10 "3 % to 5% and more preferably from 1 - 10 "2 % to 5% by weight of the total composition of a fatty acid.
  • the compositions herein may comprise from 1- 10 "3 % to 20%, preferably from 1 - 10 ⁇ 2 % to 10% and more preferably from 5 - 10 ⁇ 2 % to 5% by weight of the total composition of a capped alkoxylated nonionic surfactant as defined herein.
  • the compositions herein may comprise from 1 • 10 ⁇ 5 % to 5%, preferably from 1 • 10 "5 % to 1 % and more preferably from 1 • 10 "4 % to 0.5% by weight of the total composition of a silicone.
  • Suitable fatty acids for use herein are the alkali salts of a C8-C24 fatty acid.
  • alkali salts include the metal fully saturated salts like sodium, potassium and/or lithium salts as well as the ammonium and/or alkylammonium salts of fatty acids, preferably the sodium salt.
  • Preferred fatty acids for use herein contain from 8 to 22, preferably from 8 to 20 and more preferably from 8 to 18 carbon atoms.
  • Suitable fatty acids may be selected from caprylic acid, capric acid, lauric acid, myristic acid, palmitic acid, stearic acid, and mixtures of fatty acids suitably hardened, derived from natural sources such as plant or animal esters (e.g., palm oil, coconut oil, soybean oil, castor oil, tallow, ground oil, whale and fish oils and/or babassu oil.
  • plant or animal esters e.g., palm oil, coconut oil, soybean oil, castor oil, tallow, ground oil, whale and fish oils and/or babassu oil.
  • coconut Fatty Acid is commercially available from UNICHEMA under the name PRIFAC 5900®.
  • Suitable capped alkoxylated nonionic surfactants for use herein are according to the formula:
  • is a C8-C24 linear or branched alkyl or alkenyl group, aryl group, alkaryl group, preferably R-
  • R2 is a C ⁇
  • R3 is a C-
  • n and m are integers independently ranging in the range of from 1 to 20, preferably from 1 to 10, more preferably from 1 to 5; or mixtures thereof.
  • surfactants are commercially available from BASF under the trade name Plurafac®, from HOECHST under the trade name Genapol® or from ICI under the trade name Symperonic®.
  • Preferred capped nonionic alkoxylated surfactants of the above formula are those commercially available under the tradename Genapol® L 2.5 NR from Hoechst, and Plurafac® from BASF.
  • Suitable silicones for use herein include any silicone and silica-silicone mixtures. Silicones can be generally represented by alkylated polysiloxane materials while silica is normally used in finely divided forms exemplified by silica aerogels and xerogels and hydrophobic silicas of various types. These materials can be incorporated as particulates in which the silicone is advantageously releasably incorporated in a water-soluble or water-dispersible, substantially non-surface- active detergent impermeable carrier. Alternatively, the silicone can be dissolved or dispersed in a liquid carrier and applied by spraying on to one or more of the other components.
  • silicone has become a generic term which encompasses a variety of relatively high-molecular-weight polymers containing siloxane units and hydrocarbyl groups of various types. Indeed, silicone compounds have been extensively described in the art, see for instance US 4 076 648, US 4 021 365, US 4 749 740, US 4 983 316, EP 150 872, EP 217 501 and EP 499 364. The silicone compounds disclosed therein are suitable in the context of the present invention. Generally, the silicone compounds can be described as siloxanes having the general structure :
  • n is from 20 to 2000, and where each R independently can be an alkyl or an aryl radical. Examples of such substituents are methyl, ethyl, propyl, isobutyl, and phenyl.
  • Preferred polydiorganosiloxanes are polydimethylsiloxanes having trimethylsilyl end blocking units and having a viscosity at 25°C of from 5 x 10"5 m 2 /s to 0.1 m 2 /s, i.e., a value of n in the range 40 to 1500. These are preferred because of their ready availability and their relatively low cost.
  • a preferred type of silicone compounds useful in the compositions herein comprises a mixture of an alkylated siloxane of the type herein above disclosed and solid silica.
  • the solid silica can be a fumed silica, a precipitated silica or a silica made by the gel formation technique.
  • the silica particles can be rendered hydrophobic by treating them with diakylsilyl groups and/or trialkylsilane groups either bonded directly onto the silica or by means of silicone resin.
  • a preferred silicone compound comprises a hydrophobic silanated, most preferably trimethylsilanated silica having a particle size in the range from 10 mm to 20 mm and a specific surface area above 50 m 2 /g.
  • Silicone compounds employed in the compositions according to the present invention suitably have an amount of silica in the range of 1 to 30% (more preferably 2.0 to 15%) by weight of the total weight of the silicone compounds resulting in silicone compounds having an average viscosity in the range of from 2 x 10 " 4 ⁇ n /s to 1m /s.
  • Preferred silicone compounds may have a viscosity in the range of from 5 x 10"3m 2 /s to 0.1 m /s.
  • Particularly suitable are silicone compounds with a viscosity of 2 x 10 -2 m 2 /s or 4.5 x 10 -2 m /s.
  • Suitable silicone compounds for use herein are commercially available from various companies including Rhone Poulenc, Fueller and Dow Corning.
  • Examples of silicone compounds for use herein are Silicone DB® 100 and Silicone Emulsion 2-3597® both commercially available from Dow Corning.
  • silicone compound is disclosed in Bartollota et al. U.S. Patent 3 933 672.
  • Other particularly useful silicone compounds are the self-emulsifying silicone compounds, described in German Patent Application DTOS 2 646 126 published April 28, 1977.
  • An example of such a compound is DC-544®, commercially available from Dow Corning, which is a siloxane-glycol copolymer.
  • compositions can comprise a silicone/silica mixture in combination with fumed nonporous silica such as Aerosil®. Radical scavenger
  • compositions of the present invention may comprise a radical scavenger or a mixture thereof.
  • Suitable radical scavengers for use herein include the well-known substituted mono and dihydroxy benzenes and their analogs, alkyl and aryl carboxylates and mixtures thereof.
  • radical scavengers for use herein include di-tert-butyl hydroxy toluene (BHT), hydroquinone, di-tert-butyl hydroquinone, mono-tert-butyl hydroquinone, tert-butyl-hydroxy anysole, benzoic acid, toluic acid, catechol, t-butyl catechol, benzylamine, 1 ,1 ,3-tris(2-methyl-4- hydroxy-5-t-butylphenyl) butane, n-propyl-gallate or mixtures thereof and highly preferred is di-tert-butyl hydroxy toluene.
  • Such radical scavengers like N-propyl- gallate may be commercially available from Nipa Laboratories under the trade name Nipanox S1®.
  • Radical scavengers when used are typically present herein in amounts ranging from up to 10% and preferably from 0.001% to 0.5% by weight of the total composition.
  • radical scavengers may contribute to reduce tensile strength loss of fabrics and/or color damage when the compositions of the present invention are used in laundry through the wash application.
  • compositions according to the present invention may further comprise an antioxidant or mixtures thereof.
  • compositions herein may comprise up to 10%, preferably from 0.002% to 5%, more preferably from 0.005% to 2%, and most preferably from 0.01 % to 1 % by weight of the total composition of an antioxidant.
  • Suitable antioxidants to be used herein include organic acids like citric acid, ascorbic acid, tartaric acid, adipic acid and sorbic acid, or amines like lecithin, or aminoacids like glutamine, methionine and cysteine, or esters like ascorbil palmitate, ascorbil stearate and triethylcitrate, or mixtures thereof.
  • Preferred antioxidants for use herein are citric acid, ascorbic acid, ascorbil palmitate, lecithin or mixtures thereof.
  • the compositions of the present invention may comprise a bleach activator or mixtures thereof.
  • bleach activator it is meant herein a compound which reacts with hydrogen peroxide to form a peracid.
  • the peracid thus formed constitutes the activated bleach.
  • Suitable bleach activators to be used herein include those belonging to the class of esters, amides, imides, or anhydrides. Examples of suitable compounds of this type are disclosed in British Patent GB 1 586 769 and GB 2 143 231 and a method for their formation into a prilled form is described in European Published Patent Application EP-A-62 523.
  • Suitable examples of such compounds to be used herein are tetracetyl ethylene diamine (TAED), sodium 3,5,5 trimethyl hexanoyloxybenzene sulphonate, diperoxy dodecanoic acid as described for instance in US 4 818 425 and nonylamide of peroxyadipic acid as described for instance in US 4 259 201 and n- nonanoyloxybenzenesulphonate (NOBS).
  • TAED tetracetyl ethylene diamine
  • NOBS n- nonanoyloxybenzenesulphonate
  • N-acyl caprolactams selected from the group consisting of substituted or unsubstituted benzoyl caprolactam, octanoyl caprolactam, nonanoyl caprolactam, hexanoyl caprolactam, decanoyl caprolactam, undecenoyl caprolactam, formyl caprolactam, acetyl caprolactam, propanoyl caprolactam, butanoyl caprolactam pentanoyl caprolactam or mixtures thereof.
  • a particular family of bleach activators of interest was disclosed in EP 624 154, and particularly preferred in that family is acetyl triethyl citrate (ATC).
  • Acetyl triethyl citrate has the advantage that it is environmental-friendly as it eventually degrades into citric acid and alcohol. Furthermore, acetyl triethyl citrate has a good hydrolytical stability in the product upon storage and it is an efficient bleach activator. Finally, it provides good building capacity to the composition.
  • compositions according to the present invention may comprise from 0.01 % to 20%, preferably from 1 % to 10%, and more preferably from 3% to 7% by weight of the total composition of said bleach activator.
  • compositions were made by mixing the listed ingredients in the listed proportions (weight % unless otherwise specified).
  • Dobanol® 23-3 1.0 2.0 1.0 2.0 2.0 1.0 2.0
  • Dobanol® 23-3 is a C-12-C13 EO3 nonionic surfactant commercially available from SHELL.
  • Dobanol® 45-7 is a C-
  • Dobanol® 91-8 is a Cg-C-j •) EO8 nonionic surfactant commercially available from
  • Dobanol® 91-10 is a Cg-C ⁇
  • Alkyl betaine is Lauryl di-methyl betaine commercially available by Hoechst under the trade name GENAGEN. LAB®.
  • Hydrogen Peroxide is commercially available from Ausimont.
  • Norasol LMW-45N® is a polycarboxylate builder commercially available from
  • Acusol 425® is a modified polycarboxylate co-builder commercially available from
  • compositions are employed in a process according to the present invention wherein fabrics, preferably stained fabrics, are treated according to said process by forming an aqueous bath comprising water, a conventional laundry detergent, preferably selected from the group consisting of DASH futur® and DASH liquid®, dissolved or dispersed therein and said liquid compositions.
  • a conventional laundry detergent preferably selected from the group consisting of DASH futur® and DASH liquid®, dissolved or dispersed therein and said liquid compositions.

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Abstract

L'invention concerne un procédé servant à traiter des textiles et consistant à créer un bain aqueux comprenant de l'eau, un détergent classique de lessive dissous ou dispersé et une composition liquide contenant un agent blanchissant de peroxygène, un adjuvant et un co-adjuvant de polycarboxylate modifié et à mettre ensuite lesdits textiles en contact avec ledit bain aqueux. De plus, l'invention concerne l'utilisation d'un adjuvant et d'un co-adjuvant de polycarboxylate modifié dans un additif de lessive contenant un agent blanchissant de peroxygène afin de traiter des textiles, ce qui permet d'améliorer la suppression des taches et/ou le blanchiment.
PCT/US2000/001385 1999-01-22 2000-01-20 Procede servant a traiter des textiles avec un additif de lessive Ceased WO2000043484A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AU32112/00A AU3211200A (en) 1999-01-22 2000-01-20 Process of treating fabrics with a laundry additive
US09/889,050 US6528471B1 (en) 1999-01-22 2000-01-20 Process of treating fabrics with a laundry additive
JP2000594893A JP2002535446A (ja) 1999-01-22 2000-01-20 洗濯洗剤添加剤による布地の処理方法
BR0008180-9A BR0008180A (pt) 1999-01-22 2000-01-20 Processo de tratamento de tecidos com um aditivo para lavagem de roupas
CA002358864A CA2358864A1 (fr) 1999-01-22 2000-01-20 Procede servant a traiter des textiles avec un additif de lessive

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP99870010A EP1022327B1 (fr) 1999-01-22 1999-01-22 Procédé pour le traitement de textiles en utilisant un additif pour la lessive
EP99870010.8 1999-01-22

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WO2000043484A1 true WO2000043484A1 (fr) 2000-07-27

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EP (1) EP1022327B1 (fr)
JP (1) JP2002535446A (fr)
AR (1) AR016747A1 (fr)
AT (1) ATE322532T1 (fr)
AU (1) AU3211200A (fr)
BR (1) BR0008180A (fr)
CA (1) CA2358864A1 (fr)
CO (1) CO5210979A1 (fr)
DE (1) DE69930714T2 (fr)
ES (1) ES2262303T3 (fr)
PE (1) PE20010022A1 (fr)
TR (1) TR200102117T2 (fr)
WO (1) WO2000043484A1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
FR3137107A1 (fr) 2022-06-28 2023-12-29 Capsum Composition de nettoyage solide comprenant au moins une cavité

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG173230A1 (en) * 2010-01-25 2011-08-29 Rohm & Haas Laundry detergent bar composition
JP2020180220A (ja) * 2019-04-25 2020-11-05 ライオン・スペシャリティ・ケミカルズ株式会社 原羽毛用洗浄剤及び原羽毛用洗浄液

Citations (4)

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Publication number Priority date Publication date Assignee Title
US3965024A (en) * 1972-11-29 1976-06-22 Henkel & Cie G.M.B.H. Washing agent compositions and washing assistant composition containing phosphonopolycarboxylate sequestering agents
US5066749A (en) * 1990-09-11 1991-11-19 National Starch And Chemical Investment Holding Corporation Hydrophobically-modified polycarboxylates and process for their preparation
EP0844302A1 (fr) * 1996-11-22 1998-05-27 The Procter & Gamble Company Composition de blanchiment pour le lavage du linge
EP0845526A2 (fr) * 1996-11-29 1998-06-03 Eka Chemicals AB Composition de nettoyage, désinfection et blanchiment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3965024A (en) * 1972-11-29 1976-06-22 Henkel & Cie G.M.B.H. Washing agent compositions and washing assistant composition containing phosphonopolycarboxylate sequestering agents
US5066749A (en) * 1990-09-11 1991-11-19 National Starch And Chemical Investment Holding Corporation Hydrophobically-modified polycarboxylates and process for their preparation
EP0844302A1 (fr) * 1996-11-22 1998-05-27 The Procter & Gamble Company Composition de blanchiment pour le lavage du linge
EP0845526A2 (fr) * 1996-11-29 1998-06-03 Eka Chemicals AB Composition de nettoyage, désinfection et blanchiment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3137107A1 (fr) 2022-06-28 2023-12-29 Capsum Composition de nettoyage solide comprenant au moins une cavité
WO2024003065A1 (fr) 2022-06-28 2024-01-04 Capsum Composition de nettoyage solide comprenant au moins une cavité

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BR0008180A (pt) 2001-11-06
AR016747A1 (es) 2001-07-25
EP1022327B1 (fr) 2006-04-05
CO5210979A1 (es) 2002-10-30
EP1022327A1 (fr) 2000-07-26
DE69930714T2 (de) 2007-03-15
AU3211200A (en) 2000-08-07
DE69930714D1 (de) 2006-05-18
ES2262303T3 (es) 2006-11-16
TR200102117T2 (tr) 2001-12-21
ATE322532T1 (de) 2006-04-15
JP2002535446A (ja) 2002-10-22
CA2358864A1 (fr) 2000-07-27
PE20010022A1 (es) 2001-02-14

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