EP2491068A1 - Améliorations de compositions de blanchisserie - Google Patents

Améliorations de compositions de blanchisserie

Info

Publication number
EP2491068A1
EP2491068A1 EP10768892A EP10768892A EP2491068A1 EP 2491068 A1 EP2491068 A1 EP 2491068A1 EP 10768892 A EP10768892 A EP 10768892A EP 10768892 A EP10768892 A EP 10768892A EP 2491068 A1 EP2491068 A1 EP 2491068A1
Authority
EP
European Patent Office
Prior art keywords
copolymer
silicone
emulsion
modified
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.)
Withdrawn
Application number
EP10768892A
Other languages
German (de)
English (en)
Inventor
Christopher Clarkson Jones
Vanessa Kilhams
Rui LV
Jinfang Wang
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.)
Unilever PLC
Unilever NV
Original Assignee
Unilever PLC
Unilever NV
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 NV filed Critical Unilever PLC
Publication of EP2491068A1 publication Critical patent/EP2491068A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—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
    • C11D3/3738—Alkoxylated silicones
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/68—Polyesters containing atoms other than carbon, hydrogen and oxygen
    • C08G63/685—Polyesters containing atoms other than carbon, hydrogen and oxygen containing nitrogen
    • C08G63/6854—Polyesters containing atoms other than carbon, hydrogen and oxygen containing nitrogen derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/6856—Dicarboxylic acids and dihydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/68—Polyesters containing atoms other than carbon, hydrogen and oxygen
    • C08G63/695—Polyesters containing atoms other than carbon, hydrogen and oxygen containing silicon
    • C08G63/6954—Polyesters containing atoms other than carbon, hydrogen and oxygen containing silicon derived from polxycarboxylic acids and polyhydroxy compounds
    • C08G63/6956—Dicarboxylic acids and dihydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/91—Polymers modified by chemical after-treatment
    • C08G63/914—Polymers modified by chemical after-treatment derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/916—Dicarboxylic acids and dihydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K23/00—Use of substances as emulsifying, wetting, dispersing, or foam-producing agents
    • C09K23/54—Silicon compounds
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—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

Definitions

  • This invention relates to improvement to laundry compositions. More particularly, the invention is directed to a polymer, an emulsion comprising the polymer and to a laundry composition comprising the emulsion.
  • Silicone oils are known to be useful for softening fabrics, and are included in many laundry compositions. There is a problem with these materials, as they are expensive components, but the deposition onto fabrics is inefficient.
  • silicones are formulated in the form of an emulsion, using for example nonionic surfactants as an emulsifier.
  • the invention relates to a copolymer of polyethylene terephthalate and polyoxyethylene terephthalate modified by attachment of a silicone group which is covalently bonded either directly or via an optional linker group to the copolymer.
  • this invention is directed to an emulsion comprising:- (a) a particle comprising (i) the polymer of the first aspect, and (ii) a silicone liquid; and,
  • a third aspect of the invention relates to a process to make the emulsion of the second aspect.
  • the process comprises mixing together a silicone liquid, a copolymer of polyethylene terephthalate and polyoxyethylene terephthalate modified by attachment of a silicone group which is covalently bonded either directly or via an optional linker group to the copolymer, and water.
  • the fourth aspect of the invention relates to a laundry composition
  • a laundry composition comprising:- a) from 5 to 65 wt.% of a surfactant; and,
  • Another aspect of the invention relates to the use of a copolymer of polyethylene terephthalate and polyoxyethylene terephthalate modified by attachment of a silicone group which is covalently bonded either directly or via an optional linker group to the copolymer to increase the level of deposition of a silicone onto fabric.
  • the copolymer is ideally used in the form of an emulsion either alone, or as part of a laundry composition.
  • the term "comprising” means including, made up of, composed of, consisting and/or consisting essentially of. All percentages quoted are wt.% unless otherwise stated. Except in the operating and comparative examples, or where otherwise explicitly indicated, all numbers in this description indicating amounts or ratios of material or conditions of reaction, physical properties of materials and/or use are to be understood as modified by the word "about”.
  • a formula shall be considered physically "stable” when after 1 week at 21 degrees Celsius it exhibits no signs of phase separation.
  • the copolymer of polyethylene terephthalate and polyoxyethylene terephthalate is modified by attachment of a silicone group which is covalently bonded either directly or via an optional linker group to the copolymer.
  • the copolymer of polyethylene terephthalate and polyoxyethylene terephthalate prior to modification preferably has a molecular weight of from 1000 to 50,000
  • the emulsion comprises:- (a) a particle comprising (i) copolymer of polyethylene terephthalate and
  • polyoxyethylene terephthalate which is modified by attachment of a
  • silicone group which is covalently bonded either directly or via an optional linker group to the copolymer, and (ii) a silicone liquid;
  • the particle present in the emulsion is preferably in the form of a liquid droplet.
  • the size of the liquid droplet is from 0.5 to 20 ⁇ .
  • the silicone liquid present in the particle of the emulsion preferably has a viscosity of from 5,000 to 100,000 cP.
  • a particle is considered as a discrete entity which is stable in its surrounding medium.
  • the medium can be air for an isolated solid particle, or water (an example of an aqueous continuous phase) for a liquid particle in an emulsion.
  • the modified copolymer of polyethylene terephthalate and polyoxyethylene terephthalate can be easily prepared.
  • An example process is to mix together a silicone oil with the commercially available copolymer under vacuum (for example at 1 mbar (1 OOPa)) at a high temperature (for example 165°C) for three hours.
  • the process to make the emulsion comprises mixing together a silicone liquid, a copolymer of polyethylene terephthalate and polyoxyethylene terephthalate (PET- POET) modified by attachment of a silicone group which is covalently bonded either directly or via an optional linker group to the copolymer, and water.
  • PET- POET polyoxyethylene terephthalate
  • the modified copolymer is first dissolved in water prior to addition to the silicone oil. More preferably the copolymer is dissolved in water to a
  • Suitable mixing methods for the process include mixing the ingredients together using a high shear stirrer. A suitable time period is 90 seconds.
  • the emulsion typically comprises from 30 to 99.9 wt.%, preferably from 40 to 99 wt.% of the aqueous continuous phase.
  • the aqueous continuous phase may be solely water, or a water based mixture comprising water as a majority component.
  • the emulsion may further contain an emulsifying agent, for example a surfactant such as nonionic, anionic, cationic, zwitterionic and amphoteric surfactants.
  • the emulsifier can be mixed together with the other emulsion ingredients as
  • an emulsifying agent preferably it is a nonionic surfactant.
  • the modified PET-POET copolymer can act itself as an emulsifier, without the requirement for an additional emulsifier to be employed.
  • Suitable nonionic surfactants as emulsifiers include the (poly)-alkoxylated analogues of saturated or unsaturated fatty alcohols, for example, having from 8 to 22, preferably from 9 to 18, more preferably from 10 to 15 carbon atoms on average in the hydrocarbon chain thereof and preferably on average from 3 to 1 1 , more preferably from 4 to 9 alkyleneoxy groups. Most preferably, the alkyleneoxy groups are independently selected from ethyleneoxy, propyleneoxy and
  • butylenoxy especially ethyleneoxy and propylenoxy, or solely ethyleneoxy groups and alkyl polyglucosides as disclosed in EP 0 495 176.
  • the modified PET-POET polymer or emulsion comprising the modified polymer can be included in laundry products taking a number of forms.
  • the laundry product can take the form of a laundry treatment agent for fabric, in which case it can be a laundry composition comprising:- a) from 5 to 65 wt.% of a surfactant; and,
  • the laundry composition may comprise:- a) from 5 to 65 wt.% of a surfactant; and,
  • polyethylene terephthalate and polyoxyethylene terephthalate modified by attachment of a silicone group which is covalently bonded either directly or via an optional linker group to the copolymer.
  • the laundry composition may comprise:- a) from 5 to 65 wt.% of a surfactant; and,
  • a polymer material which is a copolymer of polyethylene terephthalate and polyoxyethylene terephthalate modified by attachment of a silicone group which is covalently bonded either directly or via an optional linker group to the copolymer, and (ii) a silicone liquid; and, (a2) an aqueous continuous phase.
  • the polymer is present in the laundry composition at a level of from 0.1 to 10 wt.%, more preferably from 0.5 to 5 wt.% based on the total composition.
  • the emulsion is present in the laundry composition at a level of from 0.1 to 20 wt.%, more preferably from 1 to 10 wt.% based on the total composition.
  • the laundry composition may be a main wash composition, a rinse composition, or a pre- or after-wash treatment composition, all of which may be dilutable or non-dilutable. Main wash compositions are preferred.
  • compositions of the invention may be in any physical form e.g. a solid such as a powder or granules, a tablet, a solid bar, a paste, gel or liquid, especially, an aqueous based liquid.
  • the compositions may be used in laundry compositions, especially in liquid, gel, powder or tablet laundry composition.
  • the pH range of the composition is from pH 7-12, preferably from pH 8.0 to 10.5. It is desirable to buffer the formulation at whatever the target pH of the composition is.
  • Another aspect of the invention relates to the use of a copolymer of polyethylene terephthalate and polyoxyethylene terephthalate modified by attachment of a silicone group which is covalently bonded either directly or via an optional linker group to the copolymer to increase the level of deposition of a silicone onto fabric.
  • the modified PET-POET copolymer is ideally used in the form of an emulsion either alone, or as an emulsion included as part of a laundry composition.
  • the invention also may relate to the use an emulsion comprising a particle comprising a copolymer of polyethylene terephthalate and polyoxyethylene terephthalate modified by attachment of a silicone group which is covalently bonded either directly or via an optional linker group to the copolymer to increase the level of deposition of a silicone onto fabric.
  • the emulsion is incorporated as part of a laundry product as described herein.
  • the laundry composition comprises a surfactant, preferably a detersive
  • Suitable surfactants comprise nonionic surfactants and anionic surfactants. They may be chosen from the surfactants described in "Surface Active Agents” Vol. 1 , by Schwartz & Perry, Interscience 1949, Vol. 2 by Schwartz, Perry & Berch, Interscience 1958, in the current edition of "McCutcheon's Emulsifiers and Detergents” published by Manufacturing Confectioners Company or in
  • surfactants used are saturated.
  • Suitable nonionic detergent compounds which may be used include, in particular, the reaction products of compounds having a hydrophobic group and a reactive hydrogen atom, for example, aliphatic alcohols, acids, amides or alkyl phenols with alkylene oxides, especially ethylene oxide either alone or with propylene oxide.
  • Specific nonionic detergent compounds are C6 to C22 alkyl phenol- ethylene oxide condensates, generally 5 to 25 EO, i.e. 5 to 25 units of ethylene oxide per molecule, and the condensation products of aliphatic Cs to Cis primary or secondary linear or branched alcohols with ethylene oxide, generally 5 to 40 EO.
  • Suitable anionic detergent compounds which may be used are usually water- soluble alkali metal salts of organic sulphates and sulphonates having alkyl radicals containing from about 8 to about 22 carbon atoms, the term alkyl being used to include the alkyl portion of higher acyl radicals.
  • suitable synthetic anionic detergent compounds are sodium and potassium alkyl sulphates, especially those obtained by sulphating higher Cs to Cis alcohols, produced for example from tallow or coconut oil, sodium and potassium alkyl C9 to C20 benzene sulphonates, particularly sodium linear secondary alkyl C10 to C15 benzene sulphonates; and sodium alkyl glyceryl ether sulphates, especially those ethers of the higher alcohols derived from tallow or coconut oil and synthetic alcohols derived from petroleum.
  • the preferred anionic detergent compounds are sodium C11 to C15 alkyl benzene sulphonates and sodium C12 to Cis alkyl sulphates.
  • anionic surfactants include fatty acid-based soaps containing between C8-C26 carbon atoms. Also applicable are surfactants such as those described in EP-A-328 177 (Unilever), which show resistance to salting-out, the alkyl polyglycoside surfactants described in EP-A-070 074, and alkyl
  • the total amount of surfactant present in the laundry composition is from 5 to 65 wt.%. Preferably the total amount of surfactant is from 10 to 65 wt.%, preferably from 15 to 50 wt.%.
  • Other surfactants such as amphoteric, zwitterionic and cationic surfactants may also be present in addition to the aforementioned nonionic and anionic surfactants.
  • the laundry composition may additionally comprise one or more of the following optional ingredients.
  • the laundry composition optionally comprises from 1 to 50 wt.% of a builder.
  • the builder is present at a level of from 1 to 40 wt.%.
  • Builder materials may be selected from 1 ) calcium sequestrant materials, 2) precipitating materials,
  • the size is in the range 0.1 to 10 microns (as measured by The Mastersizer 2000 particle size analyzer using laser diffraction ex MalvernTM).
  • examples of calcium sequestrant builder materials include alkali metal
  • polyphosphates such as sodium tripolyphosphate and organic sequestrants, such as ethylene diamine tetra-acetic acid.
  • organic sequestrants such as ethylene diamine tetra-acetic acid.
  • precipitating builder materials include sodium orthophosphate and sodium carbonate.
  • Examples of calcium ion-exchange builder materials include the various types of water-insoluble crystalline or amorphous aluminosilicates, of which zeolites are the best known representatives, e.g. zeolite A, zeolite B (also known as zeolite P), zeolite C, zeolite X, zeolite Y and also the zeolite P-type as described in EP-A- 0,384,070.
  • zeolites are the best known representatives, e.g. zeolite A, zeolite B (also known as zeolite P), zeolite C, zeolite X, zeolite Y and also the zeolite P-type as described in EP-A- 0,384,070.
  • the composition may also contain 1 -50 wt.% of a builder or complexing agent such as ethylenediaminetetraacetic acid, diethylenetriamine-pentaacetic acid, alkyl- or alkenylsuccinic acid, nitrilotriacetic acid or the other builders mentioned below.
  • a builder or complexing agent such as ethylenediaminetetraacetic acid, diethylenetriamine-pentaacetic acid, alkyl- or alkenylsuccinic acid, nitrilotriacetic acid or the other builders mentioned below.
  • Many builders are also bleach-stabilising agents by virtue of their ability to complex metal ions.
  • Zeolite and carbonate carbonate (including bicarbonate and sesquicarbonate) are preferred builders.
  • the composition may contain as builder a crystalline aluminosilicate, preferably an alkali metal aluminosilicate, more preferably a sodium aluminosilicate. This is typically present at a level of less than 15 wt.%.
  • Aluminosilicates are materials having the general formula:
  • M is a monovalent cation, preferably sodium.
  • M is a monovalent cation, preferably sodium.
  • M is a monovalent cation, preferably sodium.
  • M is a monovalent cation, preferably sodium.
  • M is a monovalent cation, preferably sodium.
  • M is a monovalent cation, preferably sodium.
  • M is a monovalent cation, preferably sodium.
  • M is a monovalent cation, preferably sodium.
  • the preferred sodium aluminosilicates contain 1 .5-3.5 S1O2 units in the formula above. They can be prepared readily by reaction between sodium silicate and sodium aluminate, as amply described in the literature.
  • the ratio of surfactants to aluminosilicate (where present) is preferably greater than 5:2, more preferably greater than 3:1 .
  • phosphate builders may be used.
  • 'phosphate' embraces diphosphate
  • silicates such as soluble silicates, metasilicates, layered silicates (e.g. SKS-6 from
  • the laundry detergent formulation is a non-phosphate built laundry detergent formulation, i.e., contains less than 1 wt.% of phosphate.
  • the laundry composition preferably comprises a blue or violet shading agent in the range from 0.0001 to 0.01 wt.%.
  • the shading agents reduce the perception of damage to many coloured garments and increase whiteness of white garments.
  • the shading agents are preferably selected from blue and violet dyes of the solvent, disperse, basic, direct and acid type listed in the Colour Index (Society of Dyers and Colourists and American Association of Textile Chemists and Colorists 2002).
  • a direct violet or direct blue dyes is present.
  • the dyes are bis-azo, tris-azo dyes or triphendioxazine dye.
  • the carcinogenic benzidene based dyes are not preferred.
  • the laundry composition preferably comprises a fluorescent agent (optical brightener).
  • fluorescent agents are well known and many such fluorescent agents are available commercially. Usually, these fluorescent agents are supplied and used in the form of their alkali metal salts, for example, the sodium salts.
  • the total amount of the fluorescent agent or agents used in the composition is generally from 0.005 to 2 wt.%, more preferably 0.01 to 0.1 wt.%.
  • Preferred classes of fluorescer are: Di-styryl biphenyl compounds, e.g. Tinopal (Trade Mark) CBS-X, Di-amine stilbene di-sulphonic acid compounds, e.g. Tinopal DMS pure Xtra and Blankophor (Trade Mark) HRH, and Pyrazoline compounds, e.g.
  • Blankophor SN Preferred fluorescers are: sodium 2-(4-styryl-3-sulfophenyl)-2H- napthol[1 ,2-d]trazole, disodium 4,4'-bis ⁇ [(4-anilino-6-(N methyl-N-2 hydroxyethyl) amino 1 ,3,5-triazin-2-yl)]amino ⁇ stilbene-2-2' disulfonate, disodium 4,4'-bis ⁇ [(4- anilino-6-morpholino-1 ,3,5-triazin-2-yl)]amino ⁇ stilbene-2-2' disulfonate, and disodium 4,4'-bis(2-sulfoslyryl)biphenyl.
  • the laundry composition comprises a perfume.
  • the perfume is preferably in the range from 0.001 to 3 wt.%, most preferably 0.1 to 1 wt.%.
  • CTFA Cosmetic, Toiletry and Fragrance Association
  • perfumes are provided in the CTFA (Cosmetic, Toiletry and Fragrance Association) 1992 International Buyers Guide, published by CFTA Publications and OPD 1993 Chemicals Buyers Directory 80th Annual Edition, published by Schnell Publishing Co. It is commonplace for a plurality of perfume components to be present in a formulation. In the compositions of the present invention it is envisaged that there will be four or more, preferably five or more, more preferably six or more or even seven or more different perfume components.
  • top notes are defined by Poucher (Journal of the Society of Cosmetic Chemists 6(2):80 [1955]).
  • Preferred top-notes are selected from citrus oils, linalool, linalyl acetate, lavender, dihydromyrcenol, rose oxide and cis-3-hexanol.
  • Perfume and top note may be used to cue the fabric care benefit of the invention.
  • the laundry treatment composition does not contain a peroxygen bleach, e.g., sodium percarbonate, sodium perborate, and peracid.
  • a peroxygen bleach e.g., sodium percarbonate, sodium perborate, and peracid.
  • the laundry composition may comprise one or more polymers.
  • examples are carboxymethylcellulose, poly(ethylene glycol), polyvinyl alcohol),
  • polycarboxylates such as polyacrylates, maleic/acrylic acid copolymers, lauryl methacrylate/acrylic acid copolymers, and cationic polysaccharide-based polymers.
  • a liquid detergent composition may optionally include a hydrotrope, which can prevent liquid crystal formation.
  • a hydrotrope which can prevent liquid crystal formation.
  • the addition of the hydrotrope thus aids the clarity/ transparency of the composition.
  • Suitable hydrotropes include but are not limited to propylene glycol, ethanol, urea, salts of benzene sulphonate, toluene sulphonate, xylene sulphonate or cumene sulphonate.
  • Suitable salts include but are not limited to sodium, potassium, ammonium, monoethanolamine,
  • the hydrotrope is selected from the group consisting of propylene glycol, xylene sulfonate, ethanol, and urea to provide optimum performance.
  • the amount of the hydrotrope is generally in the range of from 0 to 30%, preferably from 0.5 to 30%, more preferably from 0.5 to 30%, most preferably from 1 to 15%.
  • HANSA ASR 7020 (aminosilicone oil ex. CHT) and TexCare SRN300
  • the PET-POET modified aminosilicone prepared as described in example 1 , was emulsified in water using a blend of non-ionic surfactants (85:15 ratio of Neodol 25-7 (primary alcohol ethoxylate ex. Shell Chemicals) to Synperonic A20 (POE primary alcohol ex. Croda) by weight respectively).
  • Modified aminosilicone oil 0.1 g was added to a 14ml capacity squat form glass vial along with 9.9g of emulsifier solution (1 % solution of non-ionic surfactant blend in deionized water) and mixed using a high shear stirrer (VWR VDI12 microhomogenizer with S12N- 12S tool on setting '5') for 90 seconds.
  • a comparative (control) sample was prepared using a procedure identical to the above, with Hansa ASR 7020 aminosilicone oil ex.CHT being used instead of PET-POET modified aminosilicone oil.
  • the wash liquor was prepared by diluting Persil® Small and
  • 0.313g of 1 % PET-POET modified aminosilicone emulsion or unmodified aminosilicone emulsion was added to the linitest pots containing wash liquor and agitated slightly to ensure mixing.
  • a sample of knitted polyester measuring 21 cm by 21 cm was placed into each linitest pot containing the wash liquor and aminosilicone emulsions, and the pots were sealed.
  • LinitestTM is a laboratory scale washing machine (Ex. Heraeus). The equipment is designed and built to comply with the requirements for international standard test specifications. It is used for small scale detergency and stain removal testing particularly when low liquor to cloth ratios are required.
  • the model used in this case has a single rotation speed of 40 rpm.
  • the carrier is capable of accommodating twelve 500ml steel containers and can be operated at
  • the Linitest comprises a 20 litre tank, control system and drive mechanism.
  • Permanent thermostatically controlled tubular heating elements in the base of the tank heat the bath liquor to the required temperature.
  • the stainless steel construction throughout ensures efficient heat transfer to the specimen containers that are mounted on a rotating horizontal carrier driven by a geared motor.
  • the rotating movement of the carrier 'throws' the liquid from one end of the container to the other in a continuous action. This movement simulates the mechanical washing process and additional mechanical action can be obtained by using steel ball bearings or discs.
  • Linitest pots were attached to the Linitester cradle and rotated for 45 minutes at 40°C to simulate the main wash.
  • each linitest pot was emptied of wash liquor.
  • An 85ml aliquot of water was added to each pot and the pots were re- sealed and returned to the Linitester to rotate for a further 10 minutes to simulate rinsing.
  • Rinsing was performed at the same temperature as the mainwash. This was repeated one further time, so that each fabric had experienced two simulated rinses. After rinsing, the fabrics were squeezed to remove excess liquid and were line dried at ambient temperature.
  • the limit of detection for Si using this technique is 10ppm.
  • levels were below the limit of detection ( ⁇ 1 Oppm Si)
  • values were considered to be equal to 10ppm.
  • the aminosilicone modified with PET-POET functionality showed enhanced silicone deposition compared to unmodified aminosilicone. This result is an improvement in comparison to the known emulsification method using nonionic surfactant.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Detergent Compositions (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

La présente invention concerne un matériau polymère qui est un copolymère de polyéthylène-téréphtalate et de polyoxyéthylène-téréphtalate modifié par liaison d'un groupe silicone qui est lié de façon covalente directement ou par l'intermédiaire d'un groupe lieur facultatif au copolymère, une émulsion comprenant une particule comprenant (a) le copolymère modifié et (b) une silicone liquide, et une phase aqueuse continue, un procédé pour préparer l'émulsion, une composition de blanchisserie comprenant le polymère modifié ou l'émulsion, et l'utilisation du copolymère modifié pour augmenter le dépôt de silicone sur un tissu.
EP10768892A 2009-10-20 2010-10-04 Améliorations de compositions de blanchisserie Withdrawn EP2491068A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/CN2009/001161 WO2011047498A1 (fr) 2009-10-20 2009-10-20 Améliorations de compositions de lessive
PCT/EP2010/064722 WO2011047950A1 (fr) 2009-10-20 2010-10-04 Améliorations de compositions de blanchisserie

Publications (1)

Publication Number Publication Date
EP2491068A1 true EP2491068A1 (fr) 2012-08-29

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EP10768892A Withdrawn EP2491068A1 (fr) 2009-10-20 2010-10-04 Améliorations de compositions de blanchisserie

Country Status (4)

Country Link
EP (1) EP2491068A1 (fr)
AR (1) AR078664A1 (fr)
BR (1) BR112012008429A2 (fr)
WO (2) WO2011047498A1 (fr)

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BR112021005656A2 (pt) 2018-10-29 2021-06-22 Dow Global Technologies Llc composição de cuidado de tecido, e, detergente de lavanderia.

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AR078664A1 (es) 2011-11-23
BR112012008429A2 (pt) 2016-03-29
WO2011047950A1 (fr) 2011-04-28

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