WO2009074430A1 - Composition de détergent pour lessive - Google Patents

Composition de détergent pour lessive Download PDF

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Publication number
WO2009074430A1
WO2009074430A1 PCT/EP2008/065647 EP2008065647W WO2009074430A1 WO 2009074430 A1 WO2009074430 A1 WO 2009074430A1 EP 2008065647 W EP2008065647 W EP 2008065647W WO 2009074430 A1 WO2009074430 A1 WO 2009074430A1
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WO
WIPO (PCT)
Prior art keywords
alkyl
polyesteramide
composition according
formula
surfactant
Prior art date
Application number
PCT/EP2008/065647
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English (en)
Inventor
Anthony Mckee
Donna Macnab
Albert Van Der Wal
Original Assignee
Unilever Nv
Unilever Plc
Hindustan Unilever Limited
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Filing date
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Application filed by Unilever Nv, Unilever Plc, Hindustan Unilever Limited filed Critical Unilever Nv
Publication of WO2009074430A1 publication Critical patent/WO2009074430A1/fr

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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
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3719—Polyamides or polyimides
    • 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/88—Ampholytes; Electroneutral compounds
    • C11D1/94—Mixtures with anionic, cationic or non-ionic compounds
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/88—Ampholytes; Electroneutral compounds
    • C11D1/90—Betaines
    • 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/88—Ampholytes; Electroneutral compounds
    • C11D1/92—Sulfobetaines ; Sulfitobetaines

Definitions

  • the present invention relates to a laundry detergent composition comprising a polyesteramide, said detergent composition exhibits improved detergency.
  • Polymers can be added to laundry compositions for various reasons, typically to improve the efficacy of the composition in some way.
  • Two examples of polymer classes are: soil release polymers that adhere to the fabric, thereby making subsequent staining easier to remove; or anti-redeposition polymers which keep soil in suspension during the wash, thereby stopping redeposition of the soil onto the fabric.
  • Branched polymers such as dendrimers and so called hyper-branched polymers are known.
  • Dendrimers tend to be structurally and molecularly uniform; whilst hyperbranched polymers can sometimes have a degree of non-uniformity about their structure and functionality.
  • Polyesteramides are polymers that can be used in dendrimer or hyperbranched architectures, either as uniform or non-uniform structures.
  • WO 99/16810 relates to a linear or branched polymer containing ester groups and at least one amide group in the backbone, having hydroxyalkylamide end groups and having a weight average molecular mass of greater than 800g/mol. These polymers can be used in thermosetting powder-paint compositions.
  • EP 1 306 401 (DSM) relates to a method to produce a modified hyperbranched polyesteramide. These polymers find application as a rheology modifier in gas-oil, or as an anti-freeze agent or to catch metals and soot in diesel.
  • Dendritic polymers such as hyperbranched polyesteramides, are incorporated along with quaternary ammonium compounds in compositions to provide antimicrobial activity according to US 2003/01 14342 (Lonza Inc.). US 2006/0188537 (Lamba-Kohli) also relates to anti-microbial activity.
  • the dendritic polymer is functionalised with silane and quaternary ammonium groups.
  • US 2004/0016060 (BASF) relates to a process for wrinkle proofing cellulosic textiles by treating them with a finish comprising one or more highly branched polymers.
  • Preferred polymers are based on highly branched polyurethanes.
  • WO 2007/134614 (Henkel) relates to the prevention of transfer of colours during the laundering process.
  • WO 2007/098889 relates to polymers for use in body care or household products, for example shampoos.
  • US2007/0274942 (Rhodia) relates to the use of polymers to provide advantageous properties to surfaces, especially to hair or skin.
  • a problem that exists is to improve the detergency effect, especially the primary detergency effect of laundry detergent compositions on textile stains, for example particulate stains.
  • a first aspect of the present invention provides a laundry detergent composition
  • a laundry detergent composition comprising: a) detersive surfactant; b) polyesteramide comprising at least one ester linkage and at least two amide linkages; wherein the polyesteramide has a structure according to formula (I):
  • each Z is independently either a terminal group selected from OH, COOH, fatty acid ester, acetate, benzoate, tertiary amine, O(C1-C24 alkyl); or is a unit of formula (II):
  • A is a linking group, independently selected from: CrC 24 alkyl; cycloalkyl or aryl; optionally substituted by one or more CrC 24 alkyl, cycloalkyl or aryl moieties; preferably A is: C 2 H 4 ; CHRXH 2 , CH 2 CHR * , CHRXHR * ; wherein each R * is independently a CrC 24 straight chain or branched alkyl or alkenyl group; or A can also be two adjacent carbon atoms of a cyclohexane or benzene ring, said rings may also be substituted with one or more R * groups as defined above;
  • X is a linker, which can independently be any of the same groups as stated for A, but is preferably CrC 24 alkyl, optionally alkyl or alkenyl substituted; and each Y, which may be present or alternatively absent, is independently a linking group as stated for A; or an alkylene oxide chain containing from 1 to 50 units; and C) optionally carriers and adjuncts to 100 wt.%.
  • Another aspect of the current invention provides the use of a polyesteramide comprising at least one ester linkage and at least two amide linkages, as defined under b in the composition according to the first aspect of the invention, to provide increased detergency to a laundry detergent composition comprising detersive surfactant.
  • a further aspect of the present invention relates to a method for improving the stain removal from a textile substrate, comprising the following steps: a) provision of a wash liquor comprising the laundry detergent composition of the first aspect of the invention dissolved or dispersed within an aqueous medium; and, b) contacting one or more stained textile substrates with said wash liquor during one or more steps of a laundry process.
  • the aqueous medium of the wash liquor is preferably water, but may comprise one or more solvents suitable for use for domestic laundry purposes.
  • the improved stain removal occurs during the main wash of the laundry process, i.e. preferably the laundry detergent composition of the invention is a main wash product.
  • the invention is particularly suitable for use on particulate stains; such as clay, or oily stains.
  • polyesteramide polymers in laundry detergent compositions according to the invention provide one or more of the following advantages: improved detergency of the surfactant system, especially in relation to primary detergency; improved detergency with respect to different types of stains, for example particulate soil stains.
  • Primary detergency is herein described as the detergency effect on a stain in the primary or first wash.
  • the fabric is stained and subsequently treated with the laundry detergent composition of the invention.
  • the detergency effect (measured as stain removal) of the laundry composition on the stain is termed as primary detergency.
  • This is a separate process to so-called soil release using a polymer, which is treatment of fabric with a polymer (through a wash or other such treatment), with subsequent staining of the fabric, the soil release polymer having the effect of the easier removal of the stain.
  • polyesteramide shows an improvement to the primary detergency of a detersive surfactant system. It may also exhibit soil release/anti-redeposition benefits in addition to this primary detergency benefit; however it is not required to exhibit these as such.
  • the polyesteramide polymer may be incorporated within the laundry detergent compositions in any suitable fashion within the knowledge of a person of ordinary skill in the art.
  • the textile/fabric substrates used can be any typical textile/fabric substrate, such as cotton (woven, knitted and denim), polyester (woven, knitted and microfibre), nylon, silk, polycotton (polyester/cotton blends), polyester elastine, cotton elastine, viscose rayon, acrylic or wool.
  • Particularly suitable textile/fabric substrates are cotton, polycotton and polyester substrates.
  • the polyesteramide is herein described as a polymer comprising at least one ester linkage and at least two amide linkages.
  • the polyesteramide comprises at least two amide linkages and at least two ester linkages, more preferably at least two amide linkages and at least four ester linkages.
  • Highly preferred polyesteramide embodiments comprise at least six amide linkages and at least four ester linkages.
  • the polyesteramide may be a single polyesteramide polymer, or a mixture of different polyesteramide polymers.
  • the polyesteramide may have a molecularly or functionally symmetrical structure (i.e. similar to a dendrimer structure for example), or it may be molecularly or functionally non- uniform (i.e. having unsymmetrical branching or having different functional groups attached).
  • the polyesteramide comprises one or more poly(alkylene) oxide chains, said chains comprising from 1 to 50 repeat units, more preferably from 4 to 50 repeat units.
  • said poly(alkylene) oxide chain comprises poly(ethylene) oxide units, poly(propylene) oxide units or mixtures thereof, said mixtures being preferably arranged in block fashion.
  • the polyesteramide does not contain any silane functionality.
  • the polyesteramide has a structure according to formula (I):
  • A is a linking group, alternatively called a bridging group, and is independently d- C 24 alkyl, cycloalkyl or aryl, optionally substituted by one or more CrC 24 alkyl, cycloalkyl or aryl moieties, preferably A is: C 2 H 4 ; CHRXH 2 , CH 2 CHR * , CHRXHR * , wherein each R * is independently a CrC 24 straight chain or branched alkyl or alkenyl group; or A can also be two adjacent carbon atoms of a cyclohexane or benzene ring, said rings may also be substituted with one or more R * groups as defined above;
  • each X is a linker, which can independently be any of the same groups as stated for A, but is preferably CrC 24 alkyl optionally alkyl or alkenyl substituted, more preferably C 2 -C 4 alkyl substituted with CrC 4 alkyl, even more preferably CH 2 CHMe, i.e. an isopropyl linker, preferably linking to the nitrogen atom via the CH 2 group;
  • each Y which may be present or alternatively absent, is independently: a linking group as stated for A; or is an alkylene oxide chain containing from 1 to 50 units, preferably a poly(alkylene) oxide chain, comprising from 4 to 50 units, which may comprise a single alkylene oxide repeat unit, or alternatively comprise a mixture of alkylene oxide repeat units said chains preferably comprising poly(ethylene)oxide, poly(propylene)oxide or mixtures thereof. If the poly(alkylene) oxide chain is a mixture of different alkylene oxides, then preferably they are arranged in block fashion, i.e. comprising each alkylene oxide in blocks of two or more repeat units;
  • each Z is independently either; a terminal group selected from OH, COOH, fatty acid ester, acetate, benzoate, tertiary amine, O(C1-C24 alkyl) or zwitterionic groups such as amine oxides or betaines; or is a unit of formula (II):
  • At least one Z group of formula (I) is a unit of formula (II); and A, X, Y and Z of formula (II) are the same groups as stated in formula (I).
  • Hybrane Trademark
  • S1200 which is commercially available from DSM, Geleen, The Netherlands. Discussions of possible Hybrane (Trademark) structures, along with starting materials and methods for production and derivatisation can be found in for example, EP 1 306 401 , WO 99/16810 and Froehling, J Polym Sci Part A: Polym Chem, 2004, 42, 3110 (all DSM).
  • the Hybrane (Trademark) polyesteramides have the basic structure in formula (III), and can be functionalised accordingly.
  • the structures in formula (III) comprise at least six amide linkages and at least four ester linkages.
  • W depicts a bridging group between the carbonyl groups of two carbon atoms, said W can independently be: C 2 H 4 ; CHRXH 2 , CH 2 CHR * , CHRXHR * , wherein each R * is independently a C 1 -C 24 straight chain or branched alkyl or alkenyl group; or W can also be two adjacent carbon atoms of a cyclohexane or benzene ring, said rings may also be substituted with one or more R * groups as defined above; Ri is independently chosen from: a) terminal groups, for example a tertiary amine terminal group such as (C 1 - C 6 )N(R'R") 2 , in which R' and R" may be the same or different CrC 6 alkyl groups; hydroxy groups linked to the nitrogen via a CrC 6 alkyl group, such as (CrC 6 )OH, (these alkyl groups may optionally be CrC 6 branched); CrC 6 alkoxy terminated variant
  • R 2 is attached to the nitrogen atom of (III) and is C 1 -C 24 alkyl or alkenyl, optionally substituted with one or more CrC 24 alkyl or alkenyl groups, W is as above for formula (III), and each R 1 ' is independently the same groups as described for R 1 of formula (III).
  • the two carbon atom W bridging group between the carbonyl groups of the ester/amide moieties can be altered depending on the anhydride used to form the polyesteramide. Mixtures of two or more different anhydrides can be used, giving rise to polyesteramides with differing bridging groups.
  • R 1 is independently: CH 2 C(Me)OH, (C 1 - C 6 )NMe 2 , a fatty acid ester with formula CH 2 C(Me)O(COC 5 -C 23 alkyl or alkenyl), or
  • PAO is stated herein as 'poly(alkylene) oxide' comprising from 1 to 50 repeat units, and is preferably PEO (poly(ethylene) oxide), PPO (poly(propylene) oxide), or a mixture of PEO and PPO arranged in block fashion, with 2 or more units present in each block.
  • Preferred Hybrane (Trademark) structures of formula (III) according to the current invention comprise at least one poly(alkylene) oxide chain, (preferably comprising poly(ethylene) oxide units, poly(propylene) oxide units, or a mixture thereof arranged in blocks of 2 or more units), comprising 4 to 50 repeat units.
  • the weight average molecular weight of the polyesteramide is preferably 800 Daltons or greater. More preferably, the polyesteramide has a molecular weight between 800 and 60000 Daltons, even more preferably between 1000 and 20000 Daltons.
  • the polyesteramide is preferably present in the laundry composition at a level of from 0.1 to 20 wt. % by on total composition. More preferably, the polyesteramide is present at a level of from 0.1 to 15 wt.%, even more preferably from 0.5 to 10 wt.% on total composition.
  • the ratio of polyesteramide to total amount of detersive surfactant present in the laundry composition is from 1 :50 to 2:1 , more preferably from 1 :25 to 1 :1 , most preferably from 1 :20 to 1 :1.
  • the laundry detergent compositions of the invention comprise detersive surfactant.
  • the polyesteramide comprised within the laundry detergent composition exhibits surfactant like, or detersive surfactant like properties
  • the laundry detergent composition comprises a detersive surfactant in addition to any detersive surfactant properties of the polyesteramide.
  • a detersive surfactant as incorporated in the laundry detergent composition of the invention, we mean that the surfactant, or at least one surfactant of any surfactant mixture, provides a detersive, i.e. cleaning effect to textile fabrics treated as part of a laundering process.
  • Other surfactants which may or may not be detersive surfactants can be used as part of the composition.
  • the detersive surfactant can be a single surfactant or a mixture of two or more surfactants. In general any surfactant may be used, including anionic, non-ionic, and cationic surfactants.
  • the detersive surfactant comprises anionic surfactant, non- ionic surfactant or a mixture of the two. More preferably the detersive surfactant is a mixture of anionic and non-ionic surfactant.
  • the detersive surfactant is present by weight in the laundry detergent compositions at a level of from 1 to 95 wt.%, preferably from 1.5 to 60 wt.%, more preferably from 2 to 40 wt.%, most preferably from 2.5 to 35 wt.%. Additional surfactants can also be incorporated in the laundry compositions of the invention; these may be detersive or non-detersive surfactants.
  • anionic surfactant is present at a level of from 0.1 to 95 wt.%, preferably from 1 to 50 wt.%, more preferably from 1.5 to 25 wt.% based on total weight of the laundry composition.
  • Nonionic surfactant if present is incorporated at a level of from 0.1 to 95 wt.%, preferably from 1 to 50 wt.%, more preferably from 1.5 to 25 wt.% based on total weight of the laundry composition.
  • a detersive surfactant mixture is used that incorporates both anionic and nonionic surfactant, then preferably the ratio of anionic surfactant to nonionic surfactant is from 10:1 to 1 :10.
  • non-ionic and anionic surfactants of the surfactant system may be chosen from the surfactants described "Surface Active Agents” Vol. 1 , by Schwartz & Perry, lnterscience 1949, Vol. 2 by Schwartz, Perry & Berch, lnterscience 1958, in the current edition of "McCutcheon's Emulsifiers and Detergents” published by Manufacturing
  • non-ionic surfactant shall be defined as amphiphilic molecules with a molecular weight of less than about 10,000, unless otherwise noted, which are substantially free of any functional groups that exhibit a net charge at the normal wash pH of 6-11.
  • non-ionic surfactant may be used, although preferred materials are further discussed below.
  • fatty acid alkoxylates especially ethoxylates, having an alkyl chain of from C 8 -C 3 S, preferably C 8 -C 3 O, more preferably Ci 0 -C 24 , especially Ci 0 -Ci 8 carbon atoms, for example, Neodols from Shell (Houston, Tex.); ethylene oxide/propylene oxide block polymers which may have molecular weight from 1 ,000 to 30,000, for example, Pluronic (Trademark) from BASF (Mount Olive, NJ. ); and alkylphenol ethoxylates, for example Triton X-100, available from Dow Chemical (Midland, Mich.).
  • non-ionic surfactants should also be considered within the scope of this invention. These include condensates of alkanolamines with fatty acids, such as cocamide DEA, polyol-fatty acid esters, such as the Span series available from Uniqema (Wlimington, Del.), ethoxylated polyol-fatty acid esters, such as the Tween series available from Uniqema (Wilmington, Del.), Alkylpolyglucosides, such as the APG line available from Cognis (Gulph Mills, Pa.) and n-alkylpyrrolidones, such as the Surfadone series of products marketed by ISP (Wayne, NJ). Furthermore, non-ionic surfactants not specifically mentioned above, but within the definition, may also be used.
  • Preferred anionic surfactants are outlined below.
  • Anionic surfactants are defined herein as amphiphilic molecules comprising one or more functional groups that exhibit a net anionic charge when in aqueous solution at the normal wash pH of between 6 and 11.
  • Preferred anionic surfactants are the alkali metal salts of organic sulphur reaction products having in their molecular structure an alkyl radical containing from about 6 to 24 carbon atoms and a radical selected from the group consisting of sulphonic and sulphuric acid ester radicals.
  • anionic surfactant hereinafter described can be used, such as alkyl ether sulphates, soaps, fatty acid ester sulphonates, alkyl benzene sulphonates, sulphosuccinate esters, primary alkyl sulphates, olefin sulphonates, paraffin sulphonates and organic phosphate; preferred anionic surfactants are the alkali and alkaline earth metal salts of fatty acid carboxylates, fatty alcohol sulphates, preferably primary alkyl sulfates, more preferably they are ethoxylated, for example alkyl ether sulfates; and alkylebenzene sulfonates or mixtures thereof.
  • Alternative or complimentary surfactants may also be present, for example cationic surfactants.
  • Amphoteric or zwitterionic surfactant The composition according to the invention preferably comprises an amphoteric or zwitterionic surfactant.
  • Amphoteric surfactants are molecules that contain both acidic and basic groups and will exist as zwitterions at the normal wash pH of between 6 and 1 1.
  • an amphoteric or zwitterionic surfactant is present at a level of from 0.1 to 20 wt%, more preferably from 0.25 to 15 wt%, even more preferably from 0.5 to 10 wt%.
  • Suitable zwitterionic surfactants are exemplified as those which can be broadly described as derivatives of aliphatic quaternary ammonium, sulfonium and phosphonium compounds with one long chain group having about 8 to about 18 carbon atoms and at least one water solubilizing radical selected from the group consisting of sulfate, sulfonate, carboxylate, phosphate or phosphonate.
  • a general formula for these compounds is:
  • R 1 contains an alkyl, alkenyl or hydroxyalkyl group with 8 to 18 carbon atoms, from 0 to 10 ethylene-oxy groups or from 0 to 2 glyceryl units;
  • Y is a nitrogen, sulfur or phosphorous atom;
  • R 2 is an alkyl or hydroxyalkyl group with 1 to 3 carbon atoms;
  • x is 1 when Y is a sulfur atom and 2 when Y is a nitrogen or phosphorous atom;
  • R 3 is an alkyl or hydroxyalkyl group with 1 to 5 carbon atoms and Z is radical selected from the group consisting of sulfate, sulfonate, carboxylate, phosphate or phosphonate.
  • amphoteric or zwitterionic surfactants for incorporation in the composition according to the present invention are betaine surfactants. Examples of these are mentioned in the following list.
  • the sulfatobetaines such as: 3-(dodecyldimethylammonium)-1 -propane sulfate, and
  • the sulfobetaines such as:
  • cocoamido-propyldimethylammonium also known as cocoamido-propyl betaine or CAPB.
  • the sulfoniumbetaines such as: (dodecyldimethylsulfonium) acetate, and 3-(cocodimethyl-sulfonium)-1 -propane sulfonate.
  • the phosphoniumbetaines such as:
  • compositions according to the present invention preferably comprise carboxybetaines or sulphobetaines as amphoteric or zwitterionic surfactants, or mixtures thereof. Especially preferred is lauryl betaine.
  • a product according to the invention may take any suitable form, such as a solid, liquid or paste composition.
  • the product is in a liquid form, which may be a concentrated liquid.
  • the formulation may include one or more optional ingredients. While it is not necessary for these elements to be present in order to practice this invention, the use of such materials is often very helpful in rendering the formulation acceptable for consumer use.
  • optional components include, but are not limited to: additional surfactants, including nonionic and anionic surfactants, cationic surfactants; hydrotropes, fluorescent whitening agents, photobleaches, fibre lubricants, reducing agents, enzymes, enzyme stabilising agents (such as borates and polyols), powder finishing agents, defoamers, builders (such as alkali and alkaline earth metal carbonates, phosphates, zeolites and organic builders such as citrates, succinates, sulphamates and malonates), bleaches, bleach catalysts, soil release agents, antiredeposition agents, dye transfer inhibitors, buffers, colorants, fragrances, pro-fragrances, rheology modifiers, anti-ashing polymers, preservatives, insect repellents, soil repellents, water-resistance agents, suspending agents, aesthetic agents, structuring agents, sanitisers, solvents, including aqueous and non-aqueous solvents, fabric finishing agents, dye fixatives,
  • SRI is a measure of how much of a stain on textile is removed during a washing process.
  • the intensity of any stain can be measured by means of a reflectometer in terms of the difference between the stain and clean cloth giving Z-E * for each stain. It is defined as ⁇ E * and is calculated as:
  • L * , a * , and b * are the coordinates of the CIE 1976 (L * , a * , b * ) colour space, determined using a standard reflectometer.
  • ⁇ E * can be measured before and after the stain is washed, to give ⁇ E * bw (before wash) and ⁇ E * aw (after wash).
  • SRI is then defined as: 5
  • a SRI of 100 means complete removal of a stain.
  • ⁇ E is a measure of how much of the orginal stain is removed and is defined as: 5
  • Linitest Protocol Standard wash protocol, called the Linitest Protocol, using a Linitest washing machine:
  • a wash liquor was formulated, containing as surfactants the compounds indicated in table 1 at the indicated concentrations. Additionally the wash liquor contained other standard compounds of a laundry detergent (e.g. builder). Some typical formulations of detergent compositions according to the present invention are given in tables 9 and 10. Table 1 Concentrations of surfactants in wash liquor, formulations 1 and 2
  • S1200 is a Hybrane (Trademark) product, and is a dendrimeric polyesteramide polymer commercially available from DSM, Geleen, The Netherlands.
  • a wash liquor was formulated, containing as surfactants the compounds indicated in table 3 at the indicated concentrations. Additionally the wash liquor contained other standard compounds of a laundry detergent (e.g. builder). Some typical formulations of detergent compositions according to the present invention are given in tables 9 and 10.
  • S1200 is a Hybrane (Trademark) product, and is a dendrimeric polyesteramide polymer commercially available from DSM, Geleen, The Netherlands.
  • Example 3 Red clay stain removal from polyester A wash liquor was formulated, containing as surfactants the compounds indicated in table 5 at the indicated concentrations. Additionally the wash liquor contained other standard compounds of a laundry detergent (e.g. builder). Some typical formulations of detergent compositions according to the present invention are given in tables 9 and 10.
  • Polyesteramide S1200 is a Hybrane (trademark) product, and is a dendrimeric polyesteramide polymer commercially available from DSM (Geleen, The Netherlands).
  • Example 4 Grass stain removal from cotton
  • a wash liquor was formulated, containing as surfactants the compounds indicated in table 7 at the indicated concentrations. Additionally the wash liquor contained other standard compounds of a laundry detergent (e.g. builder).
  • a laundry detergent e.g. builder
  • Some typical formulations of detergent compositions according to the present invention are given in tables 9 and 10.
  • Polyesteramide S1200 is a Hybrane (trademark) product, and is a dendrimeric polyesteramide polymer commercially available from DSM (Geleen, The Netherlands).

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Abstract

La présente invention porte sur une composition de détergent pour lessive comprenant un polymère polyesteramide. La composition présente un pouvoir détergent accru, notamment en ce qui concerne des taches particulaires et des taches huileuses. L'invention porte en outre sur un procédé d'amélioration du détachage de tissus tachés et sur l'utilisation d'un polymère polyesteramide pour fournir un pouvoir détergent amélioré d'un système tensioactif de détergent pour lessive.
PCT/EP2008/065647 2007-12-12 2008-11-17 Composition de détergent pour lessive WO2009074430A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP07123003.1 2007-12-12
EP07123003 2007-12-12
EP07123631 2007-12-19
EP07123631.9 2007-12-19

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2519622A1 (fr) 2009-12-31 2012-11-07 Rhodia (China) Co., Ltd. Association de polymère et de tensioactif pour lessive améliorée
CN104946436A (zh) * 2015-05-18 2015-09-30 安徽省华凯轻工科技有限公司 一种针织线衣专用清洗剂及其制备方法

Citations (5)

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Publication number Priority date Publication date Assignee Title
US4165334A (en) * 1975-09-05 1979-08-21 The Procter & Gamble Company Detergent compounds and compositions
WO1999016810A1 (fr) * 1997-10-01 1999-04-08 Dsm N.V. Polymere de condensation contenant des groupes hydroxylalkylamides
US20040016060A1 (en) * 2000-11-13 2004-01-29 Jurgen Detering Highly branched polymers for wrinkleproofing cellulosic textiles
US20050130862A1 (en) * 2002-03-15 2005-06-16 Lise Trouillet-Fonti Copolyesteramides and the use thereof as a soil release agent
US20070274942A1 (en) * 2003-09-29 2007-11-29 Toyo Seikan Kaisha, Ltd. Aqueous Composition Comprising a Polyionic Dendritic Polymer and an Ionic Surface-Active Agent

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4165334A (en) * 1975-09-05 1979-08-21 The Procter & Gamble Company Detergent compounds and compositions
WO1999016810A1 (fr) * 1997-10-01 1999-04-08 Dsm N.V. Polymere de condensation contenant des groupes hydroxylalkylamides
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