EP2473590A1 - Composition and process for treatment of a fabric - Google Patents
Composition and process for treatment of a fabricInfo
- Publication number
- EP2473590A1 EP2473590A1 EP10742151A EP10742151A EP2473590A1 EP 2473590 A1 EP2473590 A1 EP 2473590A1 EP 10742151 A EP10742151 A EP 10742151A EP 10742151 A EP10742151 A EP 10742151A EP 2473590 A1 EP2473590 A1 EP 2473590A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- polymer
- acid
- fabric
- composition
- composition according
- 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.)
- Granted
Links
Classifications
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- 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
- C11D3/0005—Other compounding ingredients characterised by their effect
- C11D3/0036—Soil deposition preventing compositions; Antiredeposition agents
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- 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
- C11D3/22—Carbohydrates or derivatives thereof
- C11D3/222—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
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- 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
- C11D3/22—Carbohydrates or derivatives thereof
- C11D3/222—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
- C11D3/225—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin etherified, e.g. CMC
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- 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
- C11D3/3707—Polyethers, e.g. polyalkyleneoxides
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- 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
- C11D3/3753—Polyvinylalcohol; Ethers or esters thereof
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- 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
- C11D3/16—Organic compounds
- C11D3/37—Polymers
- C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C11D3/3769—(Co)polymerised monomers containing nitrogen, e.g. carbonamides, nitriles or amines
- C11D3/3776—Heterocyclic compounds, e.g. lactam
Definitions
- the present invention relates to a process for treatment of a fabric. It further relates to a composition and a kit for treatment of a fabric.
- the invention will be described hereinafter with reference to this application. However, it will be appreciated that the invention is not limited to this particular field of use.
- US2006046950A (Penninger and Bastmaschine, 2006) teaches a detergent composition for cleaning textile materials comprising a combination of a soil release-capable alkyl or hydroxyalkyi cellulose derivative and a hygroscopic polymer selected from the class consisting of polypeptides, hydrogels, polyvinyl alcohol, the polyalkylene glycols, the homopolymers of acrylic acid, methacrylic acid, and maleic acid, copolymers of acrylic acid, methacrylic acid, and maleic acid and mixtures of the homo and copolymers.
- the use of the hygroscopic polymers in combination with the cellulose derivatives is said to result in improved cleaning performance.
- EP0256696 (Unilever, 1988) teaches that improvement in soil suspension is achieved by adding mixture of vinyl pyrrolidone polymer and a nonionic cellulose ether to a detergent composition.
- GB994353 (Domestos, 1965) teaches that mixtures of certain polymeric materials, when incorporated into unbuilt detergent compositions based on synthetic surface active agents, provide enhanced anti-redeposition as compared to activity of individual polymers alone when added alone to same detergent compositions.
- the cleaning compositions essentially comprise of a surfactant and the pH of wash liquor is alkaline or neutral.
- US4007305 (Kakar et al, 1977) addresses the problem of providing satisfactory nondurable finishes to textiles which impart optimum soil release and soil repellent properties.
- the textiles must be treated with an alkaline aqueous medium having pH value of 7.5-1 1 and containing water soluble hydrophilic soil release polymer having carboxylic acid groups and a dispersed hydrophobic soil repellent fluorochemical.
- one of the objects of the present invention is to provide a process for reducing soiling of fabrics that can be easily used in the household.
- Another object of the present invention is to provide a process of treatment of a fabric for reducing soiling of fabrics.
- Yet another object of the present invention is to provide a process for treatment of a fabric which is relatively easy to practice in household.
- composition comprising a carboxylic acid polymer that has been neutralised at least partially to the salt form and a second polymer, capable of forming hydrogen bonds with the first polymer in the present of an acid, provides both a secondary cleaning benefit and good storage stability, without forming polymer-polymer complex when it is in the solid formulation and give a complex when dispersed in water.
- the present invention provides a base composition comprising a mixture of polymer A and a stabilizer wherein the polymer A is selected from the group of homopolymers and copolymers of carboxylic acid and derivatives;, a polymer B selected from the group of homopolymers and copolymers of alkylene oxides having a molecular mass greater than 2x10 4 D, vinyl pyrrolidone and/or their derivatives; and/or the group of homopolymers and copolymers of vinyl alcohol, saccharides, hydroxyalkyi cellulose and/or their derivates; and a pH adjustment agent selected from organic acids, selected from citric acid, formic acid, oxalic acid, phtalic acid ascorbic acid, glutamic acid, salicylic acid, tartaric acid, pyroglutamic acid, malic acid, maleic acid, malonic acid, succinic acid, glutaric acid, adipic acid, propane 1 ,2,3 tricarboxylic
- the present invention provides a wash or rinse liquor comprising between 0.02 and 40 g/l of the composition according to the invention, having a pH of ⁇ 6
- the present invention provides a process for washing fabric comprising the steps in sequence of contacting the fabric with a wash or rinse liquor comprising between 0.02 and 40 g/l of the composition according to the invention; leaving the fabric to dry; leaving the fabric for soil and/or dirt to deposit onto the fabric; washing the fabric with a conventional washing detergent in a conventional way.
- the present invention provides a process for preparing the solid composition according to the invention comprising the steps of: mixing Polymer A with the inorganic alkalinity source; and mixing the mixture from the previous step with the Polymer B and the pH adjustment agent.
- the present invention provides a process for preparing the liquid composition according to the invention comprising the steps of: (a) preparing solution of polymer A and polymer B separately with or without the stabilizer (b) adding the stabilizer if it is not added while preparing the solution of polymer A and polymer B and then (c) Mixing the both solution and stirring it with the pH adjustment agent.
- storage stability here we mean, that such a formulation in powder form exhibit no complex formation between the interacting polymers and it readily forms the complex when dispersed in water and in liquid form the complex will be well dispersed and not precipitated in the composition.
- secondary cleaning benefit is meant that a fabric treated with the composition exhibits benefits such as reduction in soiling, ease of subsequent cleaning and/or enhanced deposition of benefit agents.
- the present invention thus aims for a composition in form of a solid or liquid and process for the application of a sacrificial layer of polymeric material onto a fabric surface, before dirt and/or soil is deposited onto the fabric.
- a sacrificial layer of polymeric material onto a fabric surface, before dirt and/or soil is deposited onto the fabric.
- dirt and/or soil are removed by dissolution of the sacrificial layer of the polymeric material from the fabric surface.
- This is also referred to in the art as a secondary cleaning benefit or next-time-cleaning-benefit.
- the complex disperses into an aqueous solvent and does not dissolve, like the individual polymers.
- the dispersed complex in turn is thought to bind or precipitate onto a fabric surface, thus forming a layer.
- the complex is thought to disintegrate when in alkaline conditions, such as the conditions in a laundry main wash, thereby removing the layer and soil or stains deposited onto the layer from the fabric.
- the fabric that can be treated includes synthetic as well as natural textiles. Fabrics may be made of cotton and other cellulosic materials, polycotton, polyester, silk or nylon. It is envisaged that the method of the present invention can be used to treat garments and other clothing and apparel materials that form typical washload in household laundry.
- the household materials that can be treated according to the process of the present invention include, but are not limited to, bedspreads, blankets, carpets, curtains and upholstery.
- the process of the present invention is described primarily for treatment of a fabric, it is envisaged that the process of the present invention can be advantageously used to treat other materials such as jute, leather, denim and canvass. It is envisaged that the process of the present invention can be used to treat articles such as shoes, rain-wear and jackets.
- composition according to the invention comprises a polymer A and a polymer B.
- Polymers A and B are selected such that they form a complex due to the formation of hydrogen bonds.
- the polymers may be homo polymers or co polymers. Wherein by copolymer of monomer X is meant any polymer that contains the monomer X and at least one further monomer.
- polymer A is a polymer selected from the group of homopolymers and copolymers of carboxylic acid and derivatives.
- Polymer A has a plurality of carboxyl groups.
- the polymer A has a molecular mass preferably from 300 to 10 9 D.
- the polymer A is selected from the class consisting of homopolymers or copolymers of carboxylic polymers, including natural synthetic and semi-synthetic polymers in this class.
- polymer A examples include: (a) Homopolymer of a carboxylic acid, including but not limited to polycarboxylic acid such as polyacrylic acid, polymaleic acid or copolymer of acrylic and maleic acid. (b) Polysaccharides comprising carboxyl groups. Such poly saccharides may include (but are not limited to) starch, cellulose, sodium alginate, natural gums, and their modified materials such as sodium carboxymethyl cellulose, hydroxyethyl cellulose.
- Homopolymer or copolymer of carboxylic acid has a molecular mass of preferably from 2x10 3 to 10 7 D more preferably from 5x10 4 to 10 6 D and most preferably from 9x10 4 to 5x10 5 D.
- the particle size is preferably less than 200 ⁇ " ⁇ , preferably less than ⁇ ⁇ , more preferably less than 50 ⁇ still more preferably less than ⁇ ⁇ , or even less than 5 ⁇ .
- the homopolymer or copolymer of saccharide has a molecular mass of preferably from 10 3 to 10 9 D, more preferably from 10 4 to 10 9 D and most preferably from 10 5 to 10 9 D.
- Polymer A is at least partially neutralised in the Sodium (Na + ) form, preferably at least 10%w of polymer A is neutralised, more preferably at least 20%, still more preferably at least 50%.
- Polymer A may be synthetic, semi-synthetic or natural. However, synthetic or semi- synthetic polymers are preferred.
- Polymer A is preferably water soluble or water dispersible, most preferably polymer A is water soluble. It is preferred that the polymer A is selected from a class consisting of homopolymers or copolymers of carboxylic acid.
- the homopolymer or copolymer of carboxylic acid is preferably a polyacrylic acid or a copolymer thereof.
- Examples include SOKALAN® PA (BASF) and CARBOPOL® (Lubrizol).
- the concentration of polymer A in a fabric cleaning or fabric rinse composition is preferably between 0.01 and 25% by weight, more preferably at least 0.1 %, or even at least 1 %, but preferably not more than 20%, more preferably less than 15%.
- the amount of polymer A relative to the fabric surface area is preferably from 0.5 to 200 ⁇ g cm 2 of fabric surface area, more preferably from 1 to 100 ⁇ g cm 2 , and most preferably from 2 to 50 ⁇ g cm 2 of fabric surface area.
- fabric surface area refers to surface area of one side of the fabric.
- polymer B has a monomeric unit comprising a group that can form hydrogen bonds with the carboxyl groups of polymer A.
- polymer B is selected from the group of homopolymers and copolymers of alkylene oxides, vinyl pyrrolidone and/or their derivatives; and/or the group of homopolymers and copolymers of vinyl alcohol, saccharides, hydroxyalkyi cellulose and/or their derivates.
- the group of homopolymers and copolymers of vinyl alcohol, saccharides, hydroxyalkyi cellulose and/or their derivates, is generally not water soluble.
- the particle size is set such that the particles are easily dispersible in water or and aqueous solution (i.e. a wash or rinse liquor).
- the particle size is preferably less than 200 ⁇ " ⁇ , more preferably less than ⁇ ⁇ , even more preferably less than 50 ⁇ still more preferably less than ⁇ ⁇ , or even less than ⁇ .
- Polymers and homopolymers of carboxylic acid and/or sacchharides and/or polyalkylene glycol/ether qualify to be selected both as polymer A or polymer B, as they comprise hydroxyl or carboxyl group and either a carbonyl or an ether group.
- polymer A and polymer B are not of the same class. It is particularly preferred that the polymers A and B are selected from different classes of polymers. Without wishing to be limited by theory, it is believed that the two polymers A and B, when dissolved in water, form a complex with a solubility lower than each of the polymers A and B, which helps in enhanced deposition and other benefits.
- Polymer B has a molecular mass preferably from 10 3 to 10 9 D.
- Homopolymers or copolymers of vinyl pyrrolidone or vinyl alcohol preferably have a molecular mass of between 10 3 and 10 7 D, more preferably from 10 4 to 10 6 D and most preferably from 30,000 to 500,000 D.
- Commercially available polyvinyl pyrrolidone can be used, one example of which is LUVISKOL® (BASF).
- Homopolymers or copolymers of poly alkylene oxide preferably have a molecular mass greater than 2x10 4 D. The molecular mass is preferably from 2x10 4 to 10 6 D, more preferably from 3x10 4 to 5x10 5 D and most preferably from 5x10 4 to 2x10 5 D.
- Homopolymers or copolymers of saccharide preferably have a molecular mass of preferably from 10 3 to 10 9 D, more preferably from 10 4 to 10 9 D and most preferably from 10 5 to 10 9 D.
- Any commercially available poly alkylene oxide, for example POLYOX® (Dow Chemical Co) can be used according to the present invention.
- Polymer B may be synthetic, semi-synthetic or natural. However, synthetic or semisynthetic polymers are preferred.
- the polymer B is water soluble. It is particularly preferred that the polymer B is selected from a class consisting of homopolymers or copolymers of vinyl pyrrolidone or alkylene oxide.
- the concentration of polymer B in a fabric cleaning or fabric rinse composition is preferably between 0.01 and 20% by weight, more preferably at least 0.1 %, or even at least 1 %, but preferably not more than 15%, more preferably less than 10%.
- the amount of polymer B relative to the fabric surface area is preferably from 0.5 to 200 ⁇ g cm 2 of fabric surface area, more preferably from 1 to 100 ⁇ g cm 2 , and most preferably from 2 to 50 ⁇ g cm 2 of fabric surface area.
- fabric surface area refers to surface area of one side of the fabric.
- PAA Polyacrylic acid
- PVP Poly vinyl pyrrolidone
- PAA Polyacrylic acid
- PEO Polyethylene Oxide
- PEG Polyethylene Glycol
- PAA Polyacrylic acid
- SCMC Sodium carboxymethyl cellulose
- PEO Polyethylene Oxide
- the most preferred combinations of the polymers are PAA-PVP, PAA-PEO, PEG- PAA, Starch-graft-polymethacrylic acid-Polyethylene Oxide. Stabilizers
- the invention provides a solid fabric treatment composition.
- the stabilizer is an inorganic alkalinity source.
- the preferred inorganic alkalinity sources are alkali metal and alkaline earth alkalinity sources. More preferred are alkaline earth oxides and carbonates and alkali metal hydroxides and carbonates.
- alkali metal and alkaline earth carbonates e.g. sodium carbonate and potassium carbonate are the most preferred.
- Polymer A is at least partially neutralised to the salt form by these inorganic alkalinity source. Without wishing to be bound by any particular theory, it is thought that at least partial neutralisation of polymer A to the Sodium form, reduces complex formation during storage and thereby improves the on-shelf stability of the product.
- the present invention provides a liquid fabric treatment composition.
- the stabilizers are preferably selected from polyvinyl alcohol, silicone, Carboxymethyl cellulose, ethyl cellulose, methyl cellulose, methyl hydroxypropyl cellulose.
- the stabiliser may be selected from surfactants such as anionic, cationic, non-ionic especially ethoxylated fatty alcohols. However these surfactant stabilizers are typically less preferred.
- polyvinyl alcohol PVA
- pH adjustment agent PVA
- the polymers of the invention are best applied to the fabric at acidic pH and removed at alkaline pH.
- a normal washing process is done at alkaline pH, generally pH between 8 and 1 1 .
- alkaline pH generally pH between 8 and 1 1 .
- the composition of the invention further comprises a pH adjustment agent or a buffer.
- Suitable pH adjustment agents are, organic and inorganic acids. Such acids are preferably in solid form and have a high water solubility, most preferably they are fully soluble in water.
- Suitable inorganic acids are boric acid, sodium dihydrogen phosphate, aluminium chloride, aluminium sulphate, cupric sulphate etc.
- Suitable organic acids in the context of the present invention are citric acid, formic acid, oxalic acid, phtalic acid ascorbic acid, glutamic acid, salicylic acid, tartaric acid, pyroglutamic acid, malic acid, maleic acid, malonic acid, succinic acid, glutaric acid, adipic acid, propane 1 ,2,3 tricarboxylic acid, butane 1 ,2,3,4 tetra carboxylic acid.
- the anhydrides of all the abovementioned acids may also be used for this purpose.
- the wash liquor or rinse liquor wherein the composition of the invention is dissolved preferably has a pH of less than 6, preferably less than 5 and more preferably less than 4.
- Aqueous medium has pH preferably greater than 2 and more preferably greater than 3.
- the polymers may be also chosen in such a way that when the polymers are added to the aqueous medium, pH of the aqueous medium is less than 6.
- an acidic ingredient is added to aqueous medium to ensure that the pH of the aqueous medium is less than 6.
- Acidic ingredients that reduce pH of resulting aqueous medium to less than 6 are well known to a person skilled in the art and any suitable acidic ingredient may be chosen.
- the aqueous medium may comprise an electrolyte.
- the electrolyte is preferably present in a concentration from 0.001 to 5%, more preferably from 0.01 to 1 %, and most preferably from 0.04 to 0.2% by weight of the aqueous medium.
- Electrolytes that can be used according to the present invention include water soluble ionic salts.
- the cation of the salt includes an alkali metal, alkaline earth metal or trivalent metal cation.
- the anion of the salt includes chloride, sulphate, nitrate and phosphate.
- Some examples of electrolytes include chlorides, sulphates or nitrates of sodium, potassium, magnesium or calcium. Calcium salts are particularly preferred.
- the invention may further comprise natural or synthetic clays, preferably kaolin (kaolinite), bentonite or attapulgate.
- the aqueous medium comprises no more than 200 ppm anionic surfactant.
- the aqueous medium comprises no more than 100 ppm, more preferably less than 50 ppm anionic surfactant. It is particularly preferred that the aqueous medium is substantially free of anionic surfactant.
- the aqueous medium may further comprise at least one benefit agent.
- the benefit agent that can be included in the aqueous medium includes, but not limited to ingredients such as perfume, fluorescer, deodorant, antibacterial agent, shading dye and bluing agent.
- ingredients such as perfume, fluorescer, deodorant, antibacterial agent, shading dye and bluing agent.
- composition according to the invention may be applied to a fabric in different ways.
- composition One way of applying the composition is by adding the composition to the rinse water of a manual or automatic washing process.
- the fabric may be added to the rinse water either before or after addition of the composition.
- composition may be applied by use of a trigger spray dispenser.
- the invention provides a process for washing fabric comprising the steps in sequence of: contacting the fabric with a wash or rinse liquor comprising between 0.02 and 40 g/l of the solid or liquid composition according to the invention; leaving the fabric to dry; leaving the fabric for soil and/or dirt to deposit onto the fabric; washing the fabric with a conventional washing detergent in a conventional way.
- the wash liquor preferably comprises at least 0.1 g/l of the total solid or liquid composition, more preferably at least 0.25g/l, still more preferably more than 1 g/l, but typically less than 20g/l, more preferably less than 10 g/l, and even less than 5g/l.
- the conventional washing process may be any washing process, such as machine wash in an automatic or semi-automatic vertical axis or horizontal axis washing machine or a hand wash process.
- the detergent may be any conventional washing detergent composition, typically comprising surfactant and builder and optionally perfume, optical brighteners, building aids, etc.
- the composition comprises preferably 5-95%, more preferably 10-90% and most preferably 20-80% by weight polymer A.
- the composition comprises preferably 5- 95%, more preferably 10-90% and most preferably 20-80% by weight polymer B.
- the solid composition of the present invention is preferably prepared by first mixing Polymer A with the inorganic alkalinity source to enable at least partial neutralisation even in the solid form; followed by mixing this mixture with the Polymer B and the pH adjustment agent.
- the liquid composition of the present invention is preferably prepared by first preparing the solution of polymer A and polymer B separately with or without the stabilizer. After that the stabilizer has been added if it is not added while preparing the solution of polymer A and polymer B. Then followed by mixing both solution and stirring it with the pH adjustment agent.
- the solvent is selected from water or a mixture of water and lower alcohol.
- the preferable lower alcohol is selected from methanol, ethanol, iso-propanol etc.
- the preferred ratio of water to lower alcohol is 6:4 more preferably 9:1 and most preferably 10:0.
- the polymers may be chosen in such a way that pH of 1 % aqueous solution of the composition is less than 6.
- an acidic ingredient is present in the composition at 0.1 -10% by weight of the composition to ensure that the pH of 1 % aqueous solution of the composition is less than 6.
- Acidic ingredients that reduce pH of resulting aqueous medium to less than 6 are well known to a person skilled in the art and any suitable acidic ingredient may be chosen. Examples
- Example 1 Dispersibility of the formulations
- compositions according to the invention (1 and 2) are compared with comparative compositions outside the scope of the invention, with respect to the required dissolution or dispersion time and the uniformity of the solution or dispersion.
- compositions (1 , 2 and A-D) 100 ml deionized water was taken in a 250 ml glass beaker and stirred over a magnetic stirrer at controlled speed. The formulation was added to water with continuous stirring and the required time to form a dissolution/dispersion was noted as well as the nature of the dispersion (especially uniformity and/or for lumps remaining).
- PAA is polyacrylic acid
- PEO is poly ethylene oxide
- a composite soil was prepared by sonicating a mixture containing 100 ml triolein, 4 mg carbon soot and 4 mg iron oxide for 1 hour. A homogeneous soil dispersion was obtained.
- the fabric swatches were soiled with composite soil and aged for a day at room temperature (ca 24°C). The swatches were then washed in surf XL (ex Unilever) by hand wash procedure.
- compositions according to the invention are compared to comparative compositions.
- Polymer formulations (as specified in the table below) were prepared according to the method of example 1 . The dispersion was checked for lump formation and uniformity. Desized cotton, polycotton and polyester fabric swatches of 10 x 10 cm (cotton, poly- cotton and polyester, ex WFK, Germany) were pretreated by soaking into the polymer composition (dispersion) at a liquid to cloth ratio of 5:1 and soaked for 20 minutes. The fabrics used, had a mass of 1 .5 g each (i.e. for 100 cm 2 ), resulting in a total of 18.75 ⁇ g of total polymer per cm 2 of fabric (one side), in the examples where polymer was present.
- Fabrics were soiled with 0.3 ml of composite soil dispersion (see example 2) applied to about 20 cm 2 area and kept for ageing for 16 hours.
- the fabric swatches were than washed by hand wash, in 1 .5 g/l Surf XL wash liquor, at a wash liquor to cloth ratio of 5:1 .
- the fabric swatches were soaked in the liquor for 30 minutes.
- the soaked fabrics were washed by a handwash protocol by brushing 5 times on both side of the fabrics. After brushing the fabrics were rinsed three times with clean water and dried in air.
- the reflectance of the soil region was measured before and after washing using a reflectometer; the cleaning performance is indicated as the difference ("Delta R") between the reflectance (at 460 nm) before and after washing, as is a commonly known procedure in the art.
- Composition E 3 g/l Surf XL (ex Unilever).
- Composition F 1 .5 g/l Surf XL (ex Unilever). 3 g/l detergent product is representative for normal hand wash and horizontal axis machine wash. 1 .5 g/l is included because the fabrics that are pre-treated with the compositions of the invention are washed with only half of the standard main wash dosage.
- compositions G - M Comparative compositions (compositions G - M)
- Examples 4-8 show compositions according to the invention.
- PAA poly acrylic acid; Mw 450,000 D, ex Sigma-Aldrich
- PEO poly ethylene oxide; Mw 100,000 D, ex Sigma-Aldrich
- NaCI 0.75 g/l
- Perfume 0.045
- Kaolin 0.25 g/l
- Citric acid 0.2 g/l
- Adipic acid 0.4 g/l
- Phthalic anhydride 0.4 g/l
- Soda 0.15 g/l in the pre-treating wash liquor.
- NB PAA is polyacrylic acid
- Soda is Na 2 C0 3
- PEO is poly ethylene oxide
- NaCI is sodium chloride
- composition 9 22 20 17 The dose of the composition in case to liquid formulation is 2g/lit of rinse liquor. After the fabric treated with the composition of the invention, it is then soiled by composite soil and then usual detergency test was done on the fabric.
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Emergency Medicine (AREA)
- Detergent Compositions (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10742151.3A EP2473590B2 (en) | 2009-09-02 | 2010-08-12 | Process for treatment of a fabric |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IN2007MU2009 | 2009-09-02 | ||
EP09173666 | 2009-10-21 | ||
IN1621MU2010 | 2010-05-26 | ||
EP10742151.3A EP2473590B2 (en) | 2009-09-02 | 2010-08-12 | Process for treatment of a fabric |
PCT/EP2010/061744 WO2011026718A1 (en) | 2009-09-02 | 2010-08-12 | Composition and process for treatment of a fabric |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2473590A1 true EP2473590A1 (en) | 2012-07-11 |
EP2473590B1 EP2473590B1 (en) | 2014-11-26 |
EP2473590B2 EP2473590B2 (en) | 2018-01-17 |
Family
ID=42931960
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10742151.3A Not-in-force EP2473590B2 (en) | 2009-09-02 | 2010-08-12 | Process for treatment of a fabric |
Country Status (12)
Country | Link |
---|---|
EP (1) | EP2473590B2 (en) |
CN (1) | CN102575197B (en) |
AR (1) | AR078146A1 (en) |
AU (1) | AU2010291392B2 (en) |
BR (1) | BR112012003018A2 (en) |
CA (1) | CA2770869A1 (en) |
CL (1) | CL2012000538A1 (en) |
EA (1) | EA022063B1 (en) |
ES (1) | ES2531418T5 (en) |
MX (1) | MX2012002748A (en) |
WO (1) | WO2011026718A1 (en) |
ZA (1) | ZA201200792B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BR112015011323A2 (en) | 2012-11-21 | 2017-07-11 | Unilever Nv | reinforcing composition to provide a cleaning benefit, laundry detergent composition and fabric treatment composition. |
CN107532113A (en) * | 2015-05-20 | 2018-01-02 | 荷兰联合利华有限公司 | For handling the composition and method of substrate |
Family Cites Families (21)
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GB994353A (en) | 1960-06-13 | 1965-06-02 | Domestos Ltd | Improvements in detergent compositions |
US3689435A (en) | 1970-07-27 | 1972-09-05 | Gaf Corp | Detergency compositions containing a synergistic mixture of pvp and pva |
US3716488A (en) † | 1970-09-04 | 1973-02-13 | Stevens & Co Inc J P | Textile fabric cleaning compositions |
US4007305A (en) | 1974-12-23 | 1977-02-08 | Basf Wyandotte Corporation | Method of imparting nondurable soil release and soil repellency properties to textile materials |
GB8618635D0 (en) | 1986-07-30 | 1986-09-10 | Unilever Plc | Detergent composition |
DE4318902C2 (en) * | 1993-06-07 | 1996-10-24 | Benckiser Gmbh Joh A | Water-soluble, water-softening agent |
EP0781836A1 (en) † | 1995-12-29 | 1997-07-02 | Colgate-Palmolive Company | Detergent composition having improved cleaning power in neutral or acidic medium |
DE19714657C1 (en) * | 1997-04-09 | 1999-01-07 | Benckiser Nv | Water soluble, water softening builder |
GB2342358A (en) * | 1998-10-09 | 2000-04-12 | Procter & Gamble | Detergent compositions comprising cationic polymers |
EP1001011B2 (en) * | 1998-11-11 | 2010-06-23 | The Procter & Gamble Company | Bleaching composition comprising an alkoxylated benzoic acid |
EP1010751B1 (en) * | 1998-12-14 | 2005-04-20 | The Procter & Gamble Company | Bleaching compositions |
DE10032589A1 (en) † | 2000-07-07 | 2002-01-24 | Henkel Kgaa | Thickened aqueous liquid bleach, washing or prewash composition based on hydrogen peroxide has a defined pH to improve its viscosity stability and reduce oxidative decolorization of dyed textiles |
BR0102267A (en) † | 2001-06-05 | 2003-04-15 | Lin Tzu Chun | Aluminum phosphate-free and phosphate-free detergent builder system, composition and method containing modified starch graft copolymers |
GB2379223A (en) * | 2001-08-31 | 2003-03-05 | Reckitt Benckiser Inc | Cleaning composition comprising citric acid |
US7229505B2 (en) † | 2001-09-14 | 2007-06-12 | Clean Control Corporation | Methods and compositions for surfactant-free cleaning |
US6608022B1 (en) * | 2003-01-27 | 2003-08-19 | Colgate-Palmolive Company | Cleaning compositions in the form of a tablet |
ES2286602T3 (en) | 2003-02-10 | 2007-12-01 | Henkel Kommanditgesellschaft Auf Aktien | BACKGROUND OF THE INVENTION |
CA2584682A1 (en) † | 2004-11-19 | 2006-05-26 | The Procter & Gamble Company | Acidic laundry detergent compositions |
US20080045438A1 (en) * | 2006-08-21 | 2008-02-21 | D/B/A Unilever, A Corporation Of New York | Softening laundry detergent |
JP2009263466A (en) † | 2008-04-24 | 2009-11-12 | Kao Corp | Liquid detergent composition |
JP5398051B2 (en) † | 2008-06-23 | 2014-01-29 | 花王株式会社 | Detergent composition |
-
2010
- 2010-08-12 CA CA2770869A patent/CA2770869A1/en not_active Abandoned
- 2010-08-12 AU AU2010291392A patent/AU2010291392B2/en not_active Ceased
- 2010-08-12 BR BR112012003018A patent/BR112012003018A2/en not_active Application Discontinuation
- 2010-08-12 EA EA201200401A patent/EA022063B1/en not_active IP Right Cessation
- 2010-08-12 MX MX2012002748A patent/MX2012002748A/en not_active Application Discontinuation
- 2010-08-12 EP EP10742151.3A patent/EP2473590B2/en not_active Not-in-force
- 2010-08-12 CN CN2010800391414A patent/CN102575197B/en not_active Expired - Fee Related
- 2010-08-12 ES ES10742151.3T patent/ES2531418T5/en active Active
- 2010-08-12 WO PCT/EP2010/061744 patent/WO2011026718A1/en active Application Filing
- 2010-09-01 AR ARP100103192A patent/AR078146A1/en active IP Right Grant
-
2012
- 2012-02-01 ZA ZA2012/00792A patent/ZA201200792B/en unknown
- 2012-02-29 CL CL2012000538A patent/CL2012000538A1/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2011026718A1 * |
Also Published As
Publication number | Publication date |
---|---|
AU2010291392B2 (en) | 2013-07-11 |
EA201200401A1 (en) | 2012-08-30 |
EA022063B1 (en) | 2015-10-30 |
CN102575197A (en) | 2012-07-11 |
EP2473590B2 (en) | 2018-01-17 |
EP2473590B1 (en) | 2014-11-26 |
MX2012002748A (en) | 2012-04-19 |
BR112012003018A2 (en) | 2016-04-19 |
CA2770869A1 (en) | 2011-03-10 |
ES2531418T5 (en) | 2018-04-13 |
AR078146A1 (en) | 2011-10-19 |
ES2531418T3 (en) | 2015-03-13 |
WO2011026718A1 (en) | 2011-03-10 |
AU2010291392A1 (en) | 2012-02-23 |
CL2012000538A1 (en) | 2012-10-19 |
ZA201200792B (en) | 2013-05-29 |
CN102575197B (en) | 2013-10-30 |
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