WO2018146256A1 - Utilisation d'une silicone dans une composition de lessive - Google Patents

Utilisation d'une silicone dans une composition de lessive Download PDF

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Publication number
WO2018146256A1
WO2018146256A1 PCT/EP2018/053289 EP2018053289W WO2018146256A1 WO 2018146256 A1 WO2018146256 A1 WO 2018146256A1 EP 2018053289 W EP2018053289 W EP 2018053289W WO 2018146256 A1 WO2018146256 A1 WO 2018146256A1
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WO
WIPO (PCT)
Prior art keywords
silicone
laundry
cationic
silicones
composition
Prior art date
Application number
PCT/EP2018/053289
Other languages
English (en)
Inventor
Martin Charles Crossman
Julie Cullen
Karl Burgess
Original Assignee
Unilever Plc
Unilever N.V.
Conopco, Inc., D/B/A Unilever
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 Unilever Plc, Unilever N.V., Conopco, Inc., D/B/A Unilever filed Critical Unilever Plc
Publication of WO2018146256A1 publication Critical patent/WO2018146256A1/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
    • C11D3/373—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicones
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10—Objects to be cleaned
    • C11D2111/12—Soft surfaces, e.g. textile

Definitions

  • the present invention relates to the use of a silicone in a laundry composition for anti-aging of clothes.
  • Clothes lasting longer reduces the frequency with which consumers buy new clothes. This in turn reduces the strains on the planet's resources and reduces the impact on the environment that the demand for new material causes.
  • a first aspect of the present invention is provided the use of silicone in a laundry composition for anti-aging of clothes. ln a second aspect of the present invention is provided use of a silicone according as described herein, wherein clothes are treated with a laundry composition comprising the silicone.
  • Anti-aging is an effect resulting from preventative measures rather than a reactive measures, i.e. antiaging prevents aging rather than fixes aging once it has occurred.
  • Anti-ageing means the reduction or prevention of ageing.
  • anti-aging is the reduction of the speed at which clothes age. This is due to the prevention or reduction of the effects of a combination of stressors causing clothes to look old.
  • Anti-aging may be expressed in various different ways, such as:
  • the silicones of the present invention provide an overall anti-ageing effect to fabrics. Silicones and their chemistry are described in, for example in The Encyclopaedia of Polymer Science, volume 11 , p765.
  • Silicones suitable for the present invention are fabric softening silicones.
  • Non-limiting examples of such silicones include: non-functionalised silicones such as polydialkylsiloxanes, particularly polydimethylsiloxane (PDMS), alkyl (or alkoxy) functionalised silicones, and functionalised silicones or copolymers with one or more different types of functional groups such as amino, phenyl, polyether, acrylate, siliconhydride, carboxy acid, phosphate, betaine, quarternized nitrogen and mixtures thereof.
  • the molecular weight of the silicone is preferably from 1 ,000 to 500,000, more preferably from
  • the silicone composition of the current invention may be in the form of an emulsion or as a silicone fluid.
  • the silicone is in the form of a silicone emulsion.
  • the particle size can be in the range from about 1 nm to 100 microns and preferably from about 10 nm to about 10 microns including microemulsions ( ⁇ 150 nm), standard emulsions (about 200 nm to about 500 nm) and macroemulsions (about 1 micron to about 20 microns).
  • the fabric softening silicones may be an emulsion or a fluid, preferably an emulsion.
  • Compositions according to the current invention preferably comprise silicone at a level of 0.5 to 60 w.t % of the formulation, preferably 1 to 30 w.t. % of the formulation, more preferably 2 to 20 w.t. % of the formulation, most preferably 3 to 16 w.t.%.
  • Preferred non-functionalised silicones are polydialkylsiloxanes, most preferred non-functionalised silicones are polydimethylsiloxane (PDMS).
  • Preferred functionalised silicones are an anionic functionalised silicone. Examples of fabric softening anionic silicones suitable for the current invention include silicones containing the following functionalities; carboxylic, sulphate, sulphonic, phosphate and/or phosphonate functionality.
  • the anionic silicones of the current invention comprise silicones having a functionality selected from; carboxylic, sulphate, sulphonic, phosphate and/or phosphonate functionality or mixtures thereof. More preferably the anionic silicone of the present invention comprises carboxyl functionalised silicones. Most preferably the anionic silicone of the current invention is a carboxyl silicone.
  • the anionic silicone may be in the form of the acid or the anion.
  • a carboxyl functionalised silicone may be present as a carboxylic acid or carboxylate anion.
  • anionic functional material examples include: X22-3701 E from Shin Etsu and Pecosil PS-100 from Pheonix Chemical.
  • the anionic silicone has an anionic group content of at least 1 mol%, preferably at least 2 mol%.
  • the anionic group(s) on the anionic silicones of the present invention are preferably located in pendent positions on the silicone i.e. the composition comprises anionic silicones wherein the anionic group is located in a position other than at the end of the silicone chain.
  • the terms 'terminal position' and 'at the end of the silicone chain' are used to indicate the terminus of the silicone chain.
  • the anionic silicone preferably contains no anionic groups located on a terminal position of the silicone.
  • the terminal position is deemed to be the two ends of the longest linear silicone chain.
  • no anionic functionality is not located on the terminus of the longest linear silicone chain.
  • Preferred anionic silicones are those that comprise the anionic group at a mid-chain position on the silicone.
  • the anionic group(s) of the anionic silicone are located at least five Si atoms from a terminal position on the silicone.
  • the anionic groups are distributed randomly along the silicone chain.
  • silicone of the present invention is selected from polydimethylsiloxane (PDMS) and carboxyfunctionalised silicones, preferred carboxy functionalised silicones are described above.
  • PDMS polydimethylsiloxane
  • carboxyfunctionalised silicones preferred carboxy functionalised silicones are described above.
  • the silicone comprising laundry compositions of the present invention may further comprise cationic deposition polymers and/or stabilisers.
  • a cationic polymer refers to polymers having an overall positive charge.
  • the cationic polymer may be naturally derived or synthetic.
  • suitable cationic polymers include: acrylate polymers, cationic amino resins, cationic urea resins, and cationic polysaccharides, including: cationic celluloses, cationic guars and cationic starches.
  • the cationic polymer of the present invention may be categorised as a polysaccharide-based cationic polymer or non-polysaccharide based cationic polymers.
  • Polysacchride based cationic polymers include cationic celluloses, cationic guars and cationic starches.
  • Polysaccharides are polymers made up from monosaccharide monomers joined together by glycosidic bonds.
  • the cationic polysaccharide-based polymers present in the compositions of the invention have a modified polysaccharide backbone, modified in that additional chemical groups have been reacted with some of the free hydroxyl groups of the polysaccharide backbone to give an overall positive charge to the modified cellulosic monomer unit.
  • Non polysaccharide-based cationic polymers
  • a non-polysaccharide-based cationic polymer is comprised of structural units, these structural units may be non-ionic, cationic, anionic or mixtures thereof.
  • the polymer may comprise non-cationic structural units, but the polymer must have a net cationic charge.
  • the cationic polymer may consists of only one type of structural unit, i.e., the polymer is a homopolymer.
  • the cationic polymer may consists of two types of structural units, i.e., the polymer is a copolymer.
  • the cationic polymer may consists of three types of structural units, i.e., the polymer is a terpolymer.
  • the cationic polymer may comprises two or more types of structural units.
  • the structural units may be described as first structural units, second structural units, third structural units, etc.
  • the structural units, or monomers, may be incorporated in the cationic polymer in a random format or in a block format.
  • the cationic polymer may comprise a nonionic structural units derived from monomers selected from: (meth)acrylamide, vinyl formamide, N, N-dialkyl acrylamide, N, N-dialkylmethacrylamide, C1- C12 alkyl acrylate, C1-C12 hydroxyalkyl acrylate, polyalkylene glyol acrylate, C1-C12 alkyl methacrylate, C1-C12 hydroxyalkyl methacrylate, polyalkylene glycol methacrylate, vinyl acetate, vinyl alcohol, vinyl formamide, vinyl acetamide, vinyl alkyl ether, vinyl pyridine, vinyl pyrrolidone, vinyl imidazole, vinyl caprolactam, and mixtures thereof.
  • monomers selected from: (meth)acrylamide, vinyl formamide, N, N-dialkyl acrylamide, N, N-dialkylmethacrylamide, C1- C12 alkyl acrylate, C1-C12 hydroxyalkyl
  • the cationic polymer may comprise a cationic structural units derived from monomers selected from: N, N-dialkylaminoalkyl methacrylate, N, N-dialkylaminoalkyl acrylate, N, N-dialkylaminoalkyl acrylamide, N, N-dialkylaminoalkylmethacrylamide, methacylamidoalkyl trialkylammonium salts, ac lamidoalkylltrialkylamminium salts, vinylamine, vinylimine, vinyl imidazole, quatemized vinyl imidazole, diallyl dialkyl ammonium salts, and mixtures thereof.
  • the cationic monomer is selected from: diallyl dimethyl ammonium salts (DADMAS), N, N-dimethyl aminoethyl acrylate, ⁇ , ⁇ -dimethyl aminoethyl methacrylate (DMAM), [2-aminoethyl acrylate, ⁇ , ⁇ -dimethyl aminoethyl methacrylate (DMAM), [2-aminoethyl acrylate, ⁇ , ⁇ -dimethyl aminoethyl methacrylate (DMAM), [2-aminoethyl methacrylate (DMAM), [2-aminoethyl)-2-dimethyl aminoethyl methacrylate (DMAM), [2-aminoethyl methacrylate, [2-aminoethyl methacrylate, [2-aminoethyl methacrylate, [2-aminoethyl methacrylate, [2-aminoethyl methacrylate, [2-aminoethyl
  • (methacryloylamino)ethyl]trl-methylammonium salts N, N-dimethylaminopropyl acrylamide (DMAPA), N, N-dimethylaminopropyl methacrylamide (DMAPMA), acrylamidopropyl trimethyl ammonium salts (APTAS), methacrylamidopropyl trimethylammonium salts (MAPTAS), quatemized vinylimidazole (QVi), and mixtures thereof.
  • the cationic polymer may comprise a anionic structural units derived from monomers selected from: acrylic acid (AA), methacrylic acid, maleic acid, vinyl sulfonic acid, styrene sulfonic acid, acrylamidopropylmethane sulfonic acid (AMPS) and their salts, and mixtures thereof.
  • AA acrylic acid
  • APMS acrylamidopropylmethane sulfonic acid
  • Some cationic polymers disclosed herein will require stabilisers i.e. materials which will exhibit a yield stress in the liquid ancillary composition of the present invention.
  • Such stabilisers may be selected from: thread like structuring systems for example hydrogenated castor oil or
  • trihydroxystearin e.g. Thixcin ex.
  • Elementis Specialties crosslinked polyacrylic acid for example Carbopol ex. Lubrizol and gums for example carrageenan.
  • the cationic polymer is selected from; cationic polysaccharides and acrylate polymers. More preferably the cationic polymer is a cationic polysaccharide.
  • the molecular weight of the cationic polymer is preferably greater than 20 000 g/mol, more preferably greater than 25 000 g/mol.
  • the molecular weight is preferably less than 2 000 000 g/mol, more preferably less than 1 000 000 g/mol.
  • Liquid ancillary compositions according to the current invention preferably comprise cationic polymer at a level of 0.25 to 10 w.t % of the formulation, preferably 0.35 to 7.5 w.t. % of the formulation, more preferably 0.5 to 5 w.t. % of the formulation
  • the laundry composition of the present invention may be any composition used in the process of home laundry.
  • examples of such products include: liquid laundry detergent, powered laundry detergent, laundry capsules, fabric conditioners/softeners, refresh-sprays, laundry pastilles, laundry serums, pre-wash treatments, post wash treatments.
  • the laundry composition is a carrier to deliver the silicone to the clothes.
  • the laundry composition is selected from a liquid laundry detergent, fabric
  • conditioner/softener refresh-spray, laundry pastilles and laundry serums.
  • laundry serum is used to refer to a specific format of laundry product. This is a liquid product which is used in addition to the laundry detergent and/or the fabric conditioner to provide an additional or improved benefit to the materials in the wash cycle.
  • the silicone may be provided in a laundry serum.
  • This is an aqueous carrier for delivering benefit agents to fabrics.
  • a serum may comprise water, silicone and optionally a deposition polymer and a perfume.
  • a serum may comprise further benefit agents. This is a low surfactant product, i.e. less than 4% surfactant.
  • the laundry compositions comprising the silicone of the present invention are used by the consumer following their normal method of use.
  • the method of the present invention comprises treating the clothes with a laundry composition comprising silicone.
  • Silicone 1 - Silicone added as a 30% emulsion ex. Wacker Silicone.
  • the silicone comprised a carboxy group in a mid-chain pendent position.

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

Abstract

L'invention concerne l'utilisation d'une silicone dans une composition de lessive pour lutter contre le vieillissement des vêtements.
PCT/EP2018/053289 2017-02-13 2018-02-09 Utilisation d'une silicone dans une composition de lessive WO2018146256A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP17155805.9 2017-02-13
EP17155805 2017-02-13

Publications (1)

Publication Number Publication Date
WO2018146256A1 true WO2018146256A1 (fr) 2018-08-16

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998039401A1 (fr) * 1997-02-21 1998-09-11 Rhodia Inc. Compositions protegeant les couleurs des tissus et procedes correspondants
US20040033924A1 (en) * 2002-08-14 2004-02-19 Murphy Dennis Stephen Methods for conferring fabric care benefits during laundering
US20040121929A1 (en) * 2002-02-28 2004-06-24 The Procter & Gamble Company Using cationic celluloses to enhance delivery of fabric care benefit agents
US20070163055A1 (en) * 2002-11-04 2007-07-19 The Procter & Gamble Company Fabric treatment compositions comprising oppositely charged polymers
US20090186798A1 (en) * 2008-01-22 2009-07-23 Gail Margaret Baston Colour-Care Composition
US20120309663A1 (en) * 2006-06-20 2012-12-06 Rajan Keshav Panandiker Detergent compositions for cleaning and fabric care
WO2015078692A1 (fr) * 2013-11-27 2015-06-04 Unilever Plc Composition de blanchisserie

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998039401A1 (fr) * 1997-02-21 1998-09-11 Rhodia Inc. Compositions protegeant les couleurs des tissus et procedes correspondants
US20040121929A1 (en) * 2002-02-28 2004-06-24 The Procter & Gamble Company Using cationic celluloses to enhance delivery of fabric care benefit agents
US20040033924A1 (en) * 2002-08-14 2004-02-19 Murphy Dennis Stephen Methods for conferring fabric care benefits during laundering
US20070163055A1 (en) * 2002-11-04 2007-07-19 The Procter & Gamble Company Fabric treatment compositions comprising oppositely charged polymers
US20120309663A1 (en) * 2006-06-20 2012-12-06 Rajan Keshav Panandiker Detergent compositions for cleaning and fabric care
US20090186798A1 (en) * 2008-01-22 2009-07-23 Gail Margaret Baston Colour-Care Composition
WO2015078692A1 (fr) * 2013-11-27 2015-06-04 Unilever Plc Composition de blanchisserie

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"The Encyclopaedia of Polymer Science", vol. 11, pages: 765
SOFW-JOURNAL SEIFEN, OELE, FETTE, WACHSE, VERLAG FUR CHEMISCHE INDUSTRIE, AUGSBURG, DE, vol. 133, no. 5, 1 January 2007 (2007-01-01), pages 48,50 - 52,54, XP001540614, ISSN: 0942-7694 *

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