EP1133546A1 - Agent de blanchiment peroxygene utilise comme adoucisseur de tissu ou de textile - Google Patents

Agent de blanchiment peroxygene utilise comme adoucisseur de tissu ou de textile

Info

Publication number
EP1133546A1
EP1133546A1 EP99973061A EP99973061A EP1133546A1 EP 1133546 A1 EP1133546 A1 EP 1133546A1 EP 99973061 A EP99973061 A EP 99973061A EP 99973061 A EP99973061 A EP 99973061A EP 1133546 A1 EP1133546 A1 EP 1133546A1
Authority
EP
European Patent Office
Prior art keywords
composition
textiles
fabrics
compositions
preferred
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Withdrawn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
EP99973061A
Other languages
German (de)
English (en)
Inventor
Gabriella Grippaudo
Valentina Masotti
Floriana Raso
Carlo Ricci
Luca Sarcinelli
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Procter and Gamble Co
Original Assignee
Procter and Gamble Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Procter and Gamble Co filed Critical Procter and Gamble Co
Priority to EP99973061A priority Critical patent/EP1133546A1/fr
Publication of EP1133546A1 publication Critical patent/EP1133546A1/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Withdrawn legal-status Critical Current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
    • C11D3/39—Organic or inorganic per-compounds
    • C11D3/3945—Organic per-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
    • C11D3/0005—Other compounding ingredients characterised by their effect
    • C11D3/001—Softening compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/39—Organic or inorganic per-compounds
    • C11D3/3942—Inorganic per-compounds

Definitions

  • the present invention relates to the use of a peroxygen bleach as a fabric/textile softening agent in a composition to treat fabrics and/or textiles.
  • Carpets produced from synthetic or natural fibers and mixtures thereof are commonly used in residential and commercial applications as a floor covering.
  • Various types of fibers can be used in making carpets such as polyamide fibers, polyester fibers as well as wool, cotton or even silk in the case of rugs.
  • carpets irrespective of whether they are made from natural or synthetic fibers are all prone to soiling and staining when contacted with many household items.
  • Foods, grease, oils, beverages in particular such as coffee, tea and soft drinks especially those containing acidic dyes can cause unsightly, often dark stains on carpets.
  • fibers may become soiled as a result of dirt particles, clay, dust, i.e., particulate soils in general, coming into contact with and adhering to the fibers of the carpet.
  • These latter soils often appear in the form of a diffuse layer of soils rather than in the form of spots and tend to accumulate particularly in the so called "high traffic areas" such as near doors as a result of intensive use of the carpets in such areas.
  • compositions are not fully satisfactory from a consumer viewpoint.
  • compositions according to the present invention provide excellent overall cleaning performance. More advantageously, the compositions according to the present invention provide excellent cleaning performance, when both used to clean the whole carpet or localized carpet stains.
  • compositions as described herein are applicable to all carpet types, especially delicate natural fibers, and are also safe to all carpet dye types, particularly sensitive natural dyes used therein.
  • Another advantage of the present invention is that said softness characteristics are also provided to other textiles besides carpets, as for example, upholstery or car seat covering, and to fabrics (e. g., clothes, curtains, drapes, bed linens, bath linens, table cloths, sleeping bags, tents and the like).
  • compositions as described herein are that they may be applied directly on the carpet without causing damage to the carpet.
  • the present invention encompasses the use of a peroxygen bleach as a fabric/textile softening ingredient in a composition to treat fabrics and/or textiles whereby softness characteristics are provided to said fabrics and/or textiles.
  • compositions according to the present invention may be formulated either as solids or liquids.
  • the compositions may be formulated as solids for example as granular compositions or powder compositions, they may be applied directly on the fabrics and/or textiles, preferably carpets, to be treated or they may be diluted before use with an appropriate solvent, typically water.
  • Liquid compositions are preferred herein for convenience of use.
  • the compositions are preferably but not necessarily formulated as aqueous compositions.
  • Preferred aqueous compositions preferably comprise water in an amount of from 60% to 98%, more preferably of from 80% to 95% and most preferably 85% to 90% by weight of the total composition.
  • the pH of the liquid compositions according to the present invention may typically be from 1 to 14.
  • the recommended pH range is from 1 to 10, preferably between 2 and 8, more preferably between 3 and 7, even more preferably between 4.5 and 7 and most preferably between 3.5 and 6.5.
  • cleaning performance is further improved at these preferred pH ranges.
  • these preferred pH ranges contribute to the stability of hydrogen peroxide, when present.
  • the compositions herein may further comprise an acid or base or a mixture thereof to adjust the pH as appropriate.
  • Preferred acids herein are organic or inorganic acids or mixtures thereof.
  • Preferred organic acids are acetic acid or citric acid or a mixture thereof.
  • Preferred inorganic acids are sulfuric acid or phosphoric acid or a mixture thereof.
  • a particularly preferred acid to be used herein is an inorganic acid and most preferred is sulfuric acid.
  • Typical levels of such acids when present, are of from 0.01 % to 1.0% by weight, preferably from 0.05% to 0.8% and more preferably from 0.1% to 0.5% by weight of the total composition.
  • bases to be used herein can be organic or inorganic bases.
  • Suitable bases for use herein are the caustic alkalis, such as sodium hydroxide, potassium hydroxide and/or lithium hydroxide, and/or the alkali metal oxides such, as sodium and/or potassium oxide or mixtures thereof.
  • a preferred base is a caustic alkali, more preferably sodium hydroxide and/or potassium hydroxide.
  • Suitable bases include ammonia, ammonium carbonate and hydrogen carbonate.
  • Typical levels of such bases when present, are of from 0.01 % to 1.0% by weight, preferably from 0.05% to 0.8% and more preferably from 0.1 % to 0.5% by weight of the total composition.
  • Peroxygen bleach is used as fabric/textile softening agent in compositions to treat fabrics and/or textiles, preferably carpets, whereby softness characteristics are provided to said fabrics and/or textiles.
  • Suitable peroxygen bleaches to be used herein are selected from the group consisting of : hydrogen peroxide; water soluble sources of hydrogen peroxide; organic or inorganic peracids; hydroperoxides; diacyl peroxides; and mixtures thereof.
  • a hydrogen peroxide source refers to any compound that produces perhydroxyl ions when said compound is in contact with water.
  • Suitable water-soluble sources of hydrogen peroxide for use herein are selected from the group consisting of percarbonates, perborates and persilicates and mixtures thereof.
  • Suitable diacyl peroxides for use herein are selected from the group consisting of aliphatic, aromatic and aliphatic-aromatic diacyl peroxides, and mixtures thereof.
  • Suitable aliphatic diacyl peroxides for use herein are dilauroyl peroxide, didecanoyl peroxide, dimyristoyl peroxide, or mixtures thereof.
  • a suitable aromatic diacyl peroxide for use herein is for example benzoyl peroxide.
  • a suitable aliphatic-aromatic diacyl peroxide for use herein is for example lauroyl benzoyl peroxide.
  • Such diacyl peroxides have the advantage to be particularly safe to fabrics and color while delivering excellent bleaching performance when used in any laundry application.
  • Suitable organic or inorganic peracids for use herein are selected from the group consisting of : persulphates such as monopersulfate; peroxyacids such as diperoxydodecandioic acid (DPDA); magnesium perphthalic acid; perlauric acid; perbenzoic and alkylperbenzoic acids; and mixtures thereof.
  • persulphates such as monopersulfate
  • peroxyacids such as diperoxydodecandioic acid (DPDA); magnesium perphthalic acid
  • perlauric acid perbenzoic and alkylperbenzoic acids
  • Suitable hydroperoxides for use herein are selected from the group consisting of tert-butyl hydroperoxide, cumyl hydroperoxide, 2,4,4-trimethylpentyl-2- hydroperoxide, di-isopropylbenzene-monohydroperoxide, tert-amyl hydroperoxide and 2,5-dimethyl-hexane-2,5-dihydroperoxide and mixtures thereof.
  • Such hydroperoxides have the advantage to be particularly safe to fabrics and color while delivering excellent bleaching performance when used in any laundry application.
  • Preferred peroxygen bleaches herein are selected from the group consisting of : hydrogen peroxide; water soluble sources of hydrogen peroxide; organic or inorganic peracids; hydroperoxides; and diacyl peroxides; and mixtures thereof. More preferred peroxygen bleaches herein are selected from the group consisting of hydrogen peroxide, water soluble sources of hydrogen peroxide and diacyl peroxides and mixtures thereof. Even more preferred peroxygen bleaches herein are selected from the group consisting of hydrogen peroxide, water soluble sources of hydrogen peroxide, aliphatic diacyl peroxides, aromatic diacyl peroxides and aliphatic-aromatic diacyl peroxides and mixtures thereof.
  • peroxygen bleaches herein are hydrogen peroxide, water soluble sources of hydrogen peroxide or mixtures thereof.
  • the liquid compositions herein comprise from 0.01 % to 20%, preferably from 0.5 % to 10%, and more preferably from 1 % to 7% by weight of the total composition of a peroxygen bleach.
  • softness characteristics it is meant herein the softening performance as defined by the softening performance test method as outlined below.
  • the softness characteristics provided by the use of the composition as described herein are perceived by the consumers in a variety of different ways, e.g., soft touch, soft feel, soft appearance, soft texture, smoothness, fluffiness, restored fluffiness, reduced pungency, reduced roughness, reduced coarseness, reduced rudeness, a pile rinsing effect and/or a pile-up effect
  • the softening performance of a composition on fabrics and/or textiles may be evaluated by the following softening performance test method.
  • a composition comprising the fabric/textile softening ingredient according to the present invention is first applied in a liquid form, preferably sprayed, onto a 25 cm * 25 cm piece of carpet, left to act thereon from 1 minute to 1 hour, preferably 30 minutes, after which the carpet is vacuum cleaned with a standard Hoover® vacuum cleaner for 5 seconds to 15 seconds, preferably 10 seconds.
  • the above described treatment is repeated for five times and the pieces of carpets are then evaluated by panelists grading the softness characteristics in comparison to the softness characteristics of a similar piece of carpet treated the way as described above but with a composition not comprising the fabric/textile softening ingredient.
  • the present invention is based on the finding that when a composition comprising a fabric/textile softening ingredient as described is used to treat fabrics and/or textiles, softness characteristics are delivered to the fabrics and/or textiles treated with said composition. Softness characteristics can be observed after the treatment of fabrics and/or textiles having natural fibers, e.g., wool, silk and/or cotton, as well as synthetic fibers, e.g., polyamide or polyester, or fabrics and/or textiles having mixed natural and/or synthetic fibers.
  • natural fibers e.g., wool, silk and/or cotton
  • synthetic fibers e.g., polyamide or polyester
  • natural fibers fibers consisting to the major part of keratin polypeptides, as for example in wool and in silk, or cellulose molecules, as for example in cotton and jute, or other natural fibers having a natural origin, or mixtures thereof.
  • fabrics it is meant clothes, curtains, drapes, bed linens, bath linens, table cloths, sleeping bags, tents and the like.
  • Textiles it is meant carpets, rugs, upholstery, car seat coverings and the like.
  • the first effect is fiber plasticization caused by the fabric/textile softening ingredient.
  • fiber plasticization it is meant that due to its minor polarity a peroxygen bleach can easily penetrate between the macromolecules that form the fabric/textile fibers, temporarily overcoming the intra-molecular attractions that tend to hold said macromolecules together, thereby increasing the mobility of the polymeric chains of said macromolecules.
  • the first effect can be observed in fabrics and/or textiles having natural fibers, fabrics and/or textiles having synthetic fibers as well as fabrics and/or textiles having mixed natural and synthetic fibers.
  • the second effect is fiber swelling.
  • fiber swelling it is meant that due to the release of molecules in their gas state, preferably oxygen gas, released by a peroxygen bleach, within fabric/textile fibers, the volume around the macromolecule is increased. Thereby increasing the macromolecule's mobility, i.e., providing twisting/translation freedom.
  • the second effect is predominant in fabrics and/or textiles having synthetic fibers and fabrics and/or textiles having mixed natural and synthetic fibers.
  • the third effect is temporary fiber denaturation.
  • temporary fiber denaturation it is meant that inter/intra-molecular bond and/or attractions connecting fabric/textile fibers, e.g., disulfide bridges connecting cysteine moieties of keratin proteins making up wool fabrics and/or textiles, are oxidised by a peroxygen bleach, preferably due to its oxidising properties, thereby, temporarily stretching/breaking the bonds and/or attractions and resulting in the temporary relaxation of said inter/intra-molecular bonds and/or attractions. Said temporary relaxation leads to a reversible change in the structure of the fibers. The change enables the fibers to move more freely with respect to each other.
  • the third effect is predominant in fabrics and/or textiles having natural fibers and fabrics and/or textiles having mixed natural and synthetic fibers.
  • Peroxygen bleach is used as a fabric/textile softening ingredient in a composition to treat fabrics and/or textiles.
  • peroxygen bleach is used as a fabric/textile softening ingredient in a composition to treat textiles as carpets, rugs, upholstery, car seat coverings and the like.
  • peroxygen bleach is used as a fabric/textile softening ingredient in a composition to treat carpets, rugs and the like.
  • peroxygen bleach is used as a fabric/textile softening ingredient in a composition to treat carpets.
  • a peroxygen bleach preferably hydrogen peroxide
  • a peroxygen bleach also contributes to the excellent cleaning (especially on bleachable stains) and sanitizing benefits of the compositions of the present invention.
  • compositions comprising a peroxygen bleach provide excellent cleaning performance on diffuse soils (e.g., particulate and/or greasy/oily stains) and on other types of stains or soils, i.e., on spot stains like bleachable stains (e.g., coffee, beverage, food) and/or enzymatic stains like blood. Said excellent cleaning performance is provided on various types of fabrics and/or textiles.
  • spot stains e.g., coffee, beverage, food
  • Said excellent cleaning performance is provided on various types of fabrics and/or textiles.
  • porate stains it is meant herein any soils or stains of particulate nature that can be found on any fabric and/or textile, e.g. clay, dirt, dust, mud, concrete and the like.
  • greasy/oily stains any soils or stains of greasy/oily nature that can be found on any fabric and/or textile, e.g., make-up, lipstick, dirty motor oil and mineral oil, greasy food like mayonnaise and spaghetti sauce.
  • bleachable stains any soils or stains containing ingredients sensitive to bleach that can be found on any fabric and/or textile, e.g., coffee or tea.
  • enzymatic stains any soils or stains of enzymatic nature that can be found on any fabric and/or textile, e.g., grass.
  • the cleaning performance of a given composition on soiled fabrics and/or textiles, e.g., carpets, may be evaluated by the following test method.
  • a composition comprising the fabric/textile softening ingredient according to the present invention is first applied in a liquid form, preferably sprayed, onto the stained portion of a carpet, left to act thereon from 1 to 60 minutes, preferably 30 minutes, after which the carpet is vacuum cleaned.
  • Typical soils used in this test may be grass, dirty motor oil, tea, coffee, dust and/or mayonnaise.
  • the cleaning performance may be evaluated by visual grading.
  • compositions herein may further comprise conventional fabric/textile cleaning ingredients.
  • compositions herein may further comprise a number of additional compounds such as anti-resoiling agents, surfactants, stabilising agents, chelating agents, builder systems, radical scavengers, perfumes, dyes, suds suppressing agents, enzymes, photobleaching agents, bleach activators and other minors.
  • compositions according to the present invention may comprise an anti-resoiling agent.
  • Any anti-resoiling agent having the desired anti-resoiling properties may be used.
  • anti-resoiling properties it is meant herein that the fabrics and/or textiles, preferably carpets, having been cleaned with a composition according to the present invention, is more effectively cleaned in a subsequent cleaning operation (e.g., mechanical carpet cleaning, as vacuum cleaning, brushing and the like; or carpet cleaning by chemical means). Particularly, it is meant that less effort and/or less product needs to be applied to the fabrics and/or textiles to achieve the same or even a better cleaning versus when the fabrics and/or textiles are cleaned with a composition not containing an anti-resoiling agent.
  • a subsequent cleaning operation e.g., mechanical carpet cleaning, as vacuum cleaning, brushing and the like; or carpet cleaning by chemical means.
  • Suitable anti-resoiling agents include anti-resoiling polymers.
  • Suitable anti-resoiling polymers include polyamine N-oxide polymers.
  • Suitable polyamine N-oxide polymers for use herein are according to the following formula : R-A x -P; containing at least one N-oxide group (N-O group);
  • P is a polymerizable unit to which an N-O group can be attached and/or the N-O group can form part of the polymerizable unit;
  • A is one of the following structures:
  • $ I -NC- -CO- -C- -N- -O- -S- - x is 0 or 1 ;
  • R is an aliphatic, ethoxylated aliphatic, aromatic, heterocyclic or alicyclic group or any combination thereof to which the N-O group can be attached to R or the nitrogen of the N-O group is part of R.
  • N-O group it is meant one of the following general structures:
  • , R2, R3 are aliphatic, aromatic, heterocyclic or alicyclic groups or combinations thereof; x, y and z are 0 or 1 ; and the nitrogen of the N-O group can be attached or form part of any of the aforementioned groups.
  • Any polymerizable unit P can be used as long as the amine oxide polymer formed is water-soluble and provides the fabric/textile cleaning composition with fabric/textile cleaning and/or fabric/textile anti-resoiling benefits.
  • Preferred polymerizable unit P are vinyl, alkylenes, esters, ethers, amides, imides, acrylates and mixtures thereof.
  • a more preferred polymerizable unit P is vinyl.
  • Preferred polyamine N-oxide polymers are those wherein R is a heterocyclic group such as pyridine, pyrrole, imidazole, or a derivative thereof, to which the nitrogen of the N-O group can be attached or the N-O group is part of these groups. Most preferred polyamine N-oxide polymers are those wherein R is a pyridine.
  • the polyamine N-oxide polymer can be obtained in almost any degree of polymerization.
  • the average molecular weight is within the range of 1 ,000 to 100,000; more preferred 5,000 to 100,000; most preferred 5,000 to 25,000.
  • Suitable poly vinyl pyridine-N-oxide polymers are commercially available from Hoechst under the trade name of Hoe S 4268®, and from Reilly Industries Inc. under the trade name of PVNO.
  • Suitable anti-resoiling polymers also include soil suspending polycarboxylate polymers or a soil suspending polyamine polymers.
  • any soil suspending polycarboxylate polymer known to those skilled in the art can be used according to the present invention such as homo- or co-polymeric polycarboxylic acids or their salts including polyacrylates and copoiymers of maleic anhydride or/and acrylic acid and the like.
  • soil suspending polycarboxylate polymers can be prepared by polymerizing or copolymerizing suitable unsaturated monomers, preferably in their acid form.
  • Unsaturated monomeric acids that can be polymerized to form suitable polymeric polycarboxylates include acrylic acid, maleic acid (or maleic anhydride), fumaric acid, itaconic acid, aconitic acid, mesaconic acid, citraconic acid and methylenemalonic acid.
  • the presence in the polymeric polycarboxylates herein of monomeric segments, containing no carboxylate radicals such as vinylmethyl ether, styrene, ethylene, etc. is suitable provided that such segments do not constitute more than 40% by weight.
  • Particularly suitable polymeric polycarboxylates to be used herein can be derived from acrylic acid.
  • acrylic acid-based polymers which are useful herein are the water-soluble salts of polymerized acrylic acid.
  • the average molecular weight of such polymers in the acid form preferably ranges from 2,000 to 10,000, more preferably from 4,000 to 7,000 and most preferably from 4,000 to 5,000.
  • Water-soluble salts of such acrylic acid polymers can include, for example, the alkali metal, ammonium and substituted ammonium salts. Soluble polymers of this type are known materials. Use of polyacrylates of this type in detergent compositions has been disclosed, for example, in Diehl, U.S. Patent 3,308,067, issued March 7, 1967.
  • Acrylic/maleic-based copoiymers may also be used as a preferred soil suspending polycarboxylic polymer.
  • Such materials include the water-soluble salts of copoiymers of acrylic acid and maleic acid.
  • the average molecular weight of such copoiymers in the acid form preferably ranges from 2,000 to 100,000, more preferably from 5,000 to 75,000, most preferably from 7,000 to 65,000.
  • the ratio of acrylate to maleate segments in such copoiymers will generally range from 30:1 to 1 :1 , more preferably from 10:1 to 2:1.
  • Water- soluble salts of such acrylic acid/maleic acid copoiymers can include, for example, the alkali metal, ammonium and substituted ammonium salts.
  • Soluble acrylate/maleate copoiymers of this type are known materials which are described in European Patent Application No. 66915, published December 15, 1982. Particularly preferred is a copolymer of maleic / acrylic acid with an average molecular weight of 70,000. Such copoiymers are commercially available from BASF under the trade name SOKALAN® CP5.
  • Any soil suspending polyamine polymer known to those skilled in the art may also be used herein.
  • Particularly suitable polyamine polymers for use herein are alkoxylated polyamines. Such materials can conveniently be represented as molecules of the empirical structures with repeating units :
  • R is a hydrocarbyl group, usually of 2-6 carbon atoms; R-
  • polyethylene amines i.e., the polymerized reaction product of ethylene oxide with ethyleneimine, having the general formula :
  • y 2-30, preferably 15 and n is 1-30 preferably 4.
  • Particularly preferred for use herein is an ethoxylated polyethylene amine, in particular ethoxylated tetraethylenepentamine, and quaternized ethoxylated hexamethylene diamine.
  • suitable anti-resoiling polymers include those anti-resoiling polymers having: (a) one or more nonionic hydrophile components consisting essentially of (i) polyoxyethylene segments with a degree of polymerization of at least 2, or (ii) oxypropylene or polyoxypropylene segments with a degree of polymerization of from 2 to 10, wherein said hydrophile segment does not encompass any oxypropylene unit unless it is bonded to adjacent moieties at each end by ether linkages, or (iii) a mixture of oxyalkylene units comprising oxyethylene and from 1 to about 30 oxypropylene units wherein said mixture contains a sufficient amount of oxyethylene units such that the hydrophile component has hydrophilicity great enough to increase the hydrophilicity of conventional polyester synthetic fiber surfaces upon deposit of the soil release agent on such surface, said hydrophile segments preferably comprising at least about 25% oxyethylene units and more preferably, especially for such components having about 20 to 30 oxypropylene units, at least about 50%
  • the polyoxyethylene segments of (a)(i) will have a degree of polymerization of from about 1 to about 200, although higher levels can be used, preferably from 3 to about 150, more preferably from 6 to about 100.
  • Suitable oxy C4-C6 alkylene hydrophobe segments include, but are not limited to, end- caps of polymeric soil release agents such as M ⁇ 3S(CH2) n OCH2CH2 ⁇ -, where M is sodium and n is an integer from 4-6, as disclosed in U.S. Patent 4,721 ,580, issued January 26, 1988 to Gosselink.
  • Anti-resoiling polymers useful in the present invention also include cellulosic derivatives such as hydroxyether cellulosic polymers, co-polymeric blocks of ethylene terephthalate or propylene terephthalate with polyethylene oxide or polypropylene oxide terephthalate, and the like.
  • Such anti-resoiling polymers are commercially available and include hydroxyethers of cellulose such as METHOCEL® (Dow).
  • Cellulosic anti-resoiling polymers for use herein also include those selected from the group consisting of C1-C4 alkyl and C4 hydroxyalkyl cellulose; see U.S. Patent 4,000,093, issued December 28, 1976 to Nicol, et al.
  • Anti-resoiling polymers characterised by poly(vinyl ester) hydrophobe segments include graft co-polymers of poly(vinyl ester), e.g., C] -CQ vinyl esters, preferably poly(vinyl acetate) grafted onto polyalkylene oxide backbones, such as polyethylene oxide backbones. See European Patent Application 0 219 048, published April 22, 1987 by Kud, et al. Commercially available anti-resoiling polymers of this kind include the SOKALAN type of material, e.g., SOKALAN HP-22®, available from BASF.
  • One type of preferred anti-resoiling polymers is a co-polymer having random blocks of ethylene terephthalate and polyethylene oxide (PEO) terephthalate.
  • the molecular weight of this anti-resoiling polymers is in the range of from about 25,000 to about 55,000. See U.S. Patent 3,959,230 to Hays, issued May 25, 1976 and U.S. Patent 3,893,929 to Basadur issued July 8, 1975.
  • Another preferred anti-resoiling polymers is a polyester with repeat units of ethylene terephthalate units which contains 10-15% by weight of ethylene terephthalate units together with 90-80% by weight of polyoxyethylene terephthalate units, derived from a polyoxyethylene glycol of average molecular weight 300-5,000.
  • this polymer include the commercially available material ZELCON 5126® (from Dupont) and MILEASE T® (from ICI). See also U.S. Patent 4,702,857, issued October 27, 1987 to Gosselink.
  • Another preferred anti-resoiling polymers agent is a sulfonated product of a substantially linear ester oligomer comprised of an oligomehc ester backbone of terephthaloyl and oxyalkyleneoxy repeat units and terminal moieties covalently attached to the backbone.
  • These anti-resoiling polymers are fully described in U.S. Patent 4,968,451 , issued November 6, 1990 to J.J. Scheibel and E.P. Gosselink.
  • Other suitable anti-resoiling polymers include the terephthalate polyesters of U.S. Patent 4,711 ,730, issued December 8, 1987 to Gosselink et al, the anionic end-capped oligomeric esters of U.S. Patent 4,721 ,580, issued January 26, 1988 to Gosselink, and the block polyester oligomeric compounds of U.S. Patent 4,702,857, issued October 27, 1987 to Gosselink.
  • Preferred anti-resoiling polymers also include the soil release agents of U.S. Patent 4,877,896, issued October 31 , 1989 to Maldonado et al, which discloses anionic, especially sulfoaroyl, end-capped terephthalate esters.
  • Still another preferred anti-resoiling agent is an oligomer with repeat units of terephthaloyl units, sulfoisoterephthaloyl units, oxyethyleneoxy and oxy-1 ,2- propylene units.
  • the repeat units form the backbone of the oligomer and are preferably terminated with modified isethionate end-caps.
  • a particularly preferred anti-resoiling agent of this type comprises about one sulfoisophthaloyl unit, 5 terephthaloyl units, oxyethyleneoxy and oxy-1 ,2-propyleneoxy units in a ratio of from about 1.7 to about 1.8, and two end-cap units of sodium 2-(2- hydroxyethoxy)-ethanesulfonate.
  • Said anti-resoiling agent also comprises from about 0.5% to about 20%, by weight of the oligomer, of a crystalline-reducing stabilizer, preferably selected from the group consisting of xylene sulfonate, cumene sulfonate, toluene sulfonate, and mixtures thereof.
  • a crystalline-reducing stabilizer preferably selected from the group consisting of xylene sulfonate, cumene sulfonate, toluene sulfonate, and mixtures thereof.
  • the liquid compositions may comprise from 0.01 % to 10%, preferably from 0.01 % to 5%, and more preferably from 0.05% to 2% by weight of the total composition of an anti-resoiling agent.
  • a preferred anti-resoiling agent is a anti-resoiling polymer.
  • a more preferred anti- resoiling agent is a polyamine N-oxide polymer.
  • An even more preferred anti- resoiling agent is a polyvinyl pyridine-N-oxide polymer.
  • the most preferred anti- resoiling agent useful in the compositions herein is poly(4-vinylpyridine-N-oxide).
  • an anti-resoiling agent in the compositions herein enhances the anti-resoiling properties of the compositions. Additionally, the anti-resoiling agents, when present, further contribute to the excellent overall cleaning performance of the present invention.
  • compositions according to the present invention may comprise a volatile organic compound (VOC).
  • VOC volatile organic compound
  • compositions herein may comprise up to 90%, preferably from 0.1 % to 20%, more preferably from 0.5% to 10% and most preferably from 1 % to 5% by weight of the total composition of a volatile organic compound.
  • Suitable volatile organic compounds for use herein include aliphatic and/or aromatic alcohol, glycol ethers and/or derivatives thereof, polyol and mixtures thereof.
  • Suitable aromatic alcohols to be used herein are according to the formula R-j- OH wherein R-
  • is an alkyl substituted or non-alkyl substituted aryl group of from 1 to 20, preferably from 2 to 15 and more preferably from 2 to 10 carbon atoms.
  • a suitable aromatic alcohol to be used herein is benzyl alcohol.
  • Suitable aliphatic alcohols to be used herein are according to the formula R2-OH wherein R2 is a linear or branched saturated or unsaturated hydrocarbon chain of from 1 to 20, preferably from 1 to 10 and more preferably from 2 to 6 carbon atoms. Highly preferred herein are aliphatic alcohols with 2 to 4 carbon atoms and most preferably 4 carbon atoms, or mixtures thereof. Suitable aliphatic alcohols to be used herein include linear alcohol like 2-octanol, decanol, isopropyl alcohol, propyl alcohol, ethanol and/or methanol. Highly preferred herein are ethanol, isopropyl alcohol or a mixture thereof.
  • Ethanol may be commercially available from Eridania Italia under its chemical name.
  • Isopropanol may be commercially available from Merck/BDH Italia under its chemical name.
  • Suitable glycol ethers and/or derivatives thereof to be used herein include monoglycol ethers and/or derivatives thereof, polyglycol ethers and/or derivatives thereof and mixtures thereof.
  • Suitable monoglycol ethers and derivatives thereof to be used herein include n- buthoxypropanol (n-BP), water-soluble CELLOSOLVE® solvents or mixtures thereof.
  • Preferred Cellosolve® solvents include propoxy ethyl acetate salt (i.e., Propyl Cellosolve acetate salt®), ethanol-2-butoxy phosphate salt (i.e., Butyl Cellosolve phosphate salt®), 2-(Hexyloxy)ethanol (i.e., 2-hexyl Cellosolve®), 2- ethoxy ethanol (i.e., 2-ethyl Cellosolve®), 2-butoxyethanol (i.e., 2-buthyl Cellosolve®) or mixtures thereof.
  • Suitable polyglycol ethers and derivatives thereof to be used herein include n- butoxypropoxypropanol (n-BPP), butyl triglycol ether (BTGE), butyl diglycol ether (BDGE), water-soluble CARBITOL® solvents or mixtures thereof.
  • Preferred water-soluble CARBITOL® solvents are compounds of the 2-(2- alkoxyethoxy)ethanol class, 2-(2-alkoxyethoxy)propanol class and/or 2-(2- alkoxyethoxy)butanol class wherein the alkoxy group is derived from ethyl, propyl or butyl.
  • a preferred water-soluble carbitol is 2-(2-butoxyethoxy)ethanol also known as butyl carbitol®.
  • Preferred glycol ethers and/or derivatives thereof are 2-ethoxyethanol, 2- butoxyethanol, n-butoxypropoxypropanol, butyl carbitol® or mixtures thereof.
  • Suitable polyol solvents to be used herein are the polyols having at least 2 hydroxyl groups (-OH) like diols.
  • Suitable diols to be used herein include 2-ethyl- 1 ,3-hexanediol, 2,2,4-trimethyl-1 ,3-pentanediol, methyl-2,4 pentanediol or mixture thereof.
  • volatile organic compounds when present, further contribute to the excellent overall cleaning performance of the present invention. Additionally, their addition in the compositions herein also enhances the sanitising properties of the compositions.
  • compositions according to the present invention typically comprise a surfactant or a mixture thereof.
  • compositions herein may comprise from up to 50%, preferably from 0.1 % to 20%, more preferably from 0.5% to 10% and most preferably from 1 % to 5% by weight of the total composition of a surfactant.
  • Such surfactants may be selected from those well known in the art including anionic, nonionic, zwitterionic, amphoteric and cationic surfactants and mixtures thereof.
  • Particularly suitable surfactants to be used herein are anionic surfactants.
  • Said anionic surfactants are preferred herein as they further contribute to the outstanding stain removal performance of the compositions of the present invention on various types of stains. Moreover they do not stick onto fabrics and/or textiles, thereby reducing resoiling.
  • Suitable anionic surfactants include sarcosinate surfactants, alkyl sulfate surfactants, alkyl sulphonate surfactants, alkyl glycerol sulfate surfactants and alkyl glycerol sulphonate surfactants.
  • Suitable sarcosinate surfactants to be used herein include acyl sarcosinate or mixtures thereof, in its acid and/or salt form, preferably long chain acyl sarcosinates having the following formula:
  • M is hydrogen or a cationic moiety and wherein R is an alkyl group of from 11 to 15 carbon atoms, preferably of from 11 to 13 carbon atoms.
  • M are hydrogen and alkali metal salts, especially sodium and potassium.
  • Said acyl sarcosinate surfactants are derived from natural fatty acids and the amino- acid sarcosine (N-methyl glycine). They are suitable to be used as aqueous solution of their salt or in their acidic form as powder. Being derivatives of natural fatty acids, said acyl sarcosinates are rapidly and completely biodegradable and have good skin compatibility.
  • particularly preferred long chain acyl sarcosinates to be used herein include C ⁇
  • Sodium N- Lauroyl Sarcosinate is commercially available, for example, as Hamposyl L-30® supplied by Hampshire or Crodasinic LS30® supplied by Croda.
  • C-14 acyl sarcosinate is commercially available, for example, as Hamposyl M-30® supplied by Hampshire or Crodasinic MS30® supplied by Croda.
  • Suitable alkyl sulphonates for use herein include water-soluble salts or acids of the formula RSO3M wherein R is a C6-C20 linear or branched, saturated or unsaturated alkyl group, preferably a Cg-C-i ⁇ alkyl group and more preferably a C-I Q-C-16 a' g rou P- and M is H or a cation, e.g., an alkali metal cation (e.g., sodium, potassium, lithium), or ammonium or substituted ammonium (e.g., methyl-, dimethyl-, and trimethyl ammonium cations and quaternary ammonium cations, such as tetramethyl-ammonium and dimethyl piperdinium cations and quaternary ammonium cations derived from alkylamines such as ethylamine, diethylamine, triethylamine, and mixtures thereof, and the like).
  • RSO3M wherein
  • C-14-C15 alkyl sulphonate is Hostapur® SAS available from Hoechst.
  • Suitable alkyl sulphate surfactants for use herein are according to the formula R1 SO4M wherein R ⁇ represents a hydrocarbon group selected from the group consisting of straight or branched alkyl radicals containing from 6 to 20, preferably 8 to 18, more preferably 10 to 16 carbon atoms and alkyl phenyl radicals containing from 6 to 18 carbon atoms in the alkyl group.
  • M is H or a cation, e.g., an alkali metal cation (e.g., sodium, potassium, lithium, calcium, magnesium and the like) or ammonium or substituted ammonium (e.g., methyl-, dimethyl-, and trimethyl ammonium cations and quaternary ammonium cations, such as tetramethyl-ammonium and dimethyl piperdinium cations and quaternary ammonium cations derived from alkylamines such as ethylamine, diethylamine, triethylamine, and mixtures thereof, and the like).
  • alkali metal cation e.g., sodium, potassium, lithium, calcium, magnesium and the like
  • ammonium or substituted ammonium e.g., methyl-, dimethyl-, and trimethyl ammonium cations and quaternary ammonium cations, such as tetramethyl-ammonium and dimethyl piperdinium cations and
  • linear alkyl sulphate or sulphonate it is meant herein a non-substituted alkyl sulphate or sulphonate wherein the alkyl chain comprises from 6 to 20 carbon atoms, preferably from 8 to 18 carbon atoms, and more preferably from 10 to 16 carbon atoms, and wherein this alkyl chain is sulphated or sulphonated at one terminus.
  • branched sulphonate or sulphate it is meant herein an alkyl chain having from 6 to 20 total carbon atoms, preferably from 8 to 18 total carbon atoms, and more preferably from 10 to 16 total carbon atoms, wherein the main alkyl chain is substituted by at least another alkyl chain, and wherein the alkyl chain is sulphated or sulphonated at one terminus.
  • Particularly preferred branched alkyl sulphates to be used herein are those containing from 10 to 14 total carbon atoms like Isalchem 123 AS®.
  • Also preferred alkyl sulphates are the alkyl sulphates where the alkyl chain comprises a total of 12 carbon atoms, i.e., sodium 2-butyl octyl sulphate.
  • alkyl sulphate is commercially available from Condea under the trade name Isofol® 12S.
  • Particularly suitable liner alkyl sulphonates include C-
  • Suitable nonionic surfactants include amine oxide surfactants.
  • Suitable amine oxide surfactants are according to the formula R1 R2R3NO, wherein each of R-j , R2 and R3 is independently a saturated substituted or unsubstituted, linear or branched alkyl groups of from 1 to 30 carbon atoms, preferably of from 1 to 20 carbon atoms, and mixtures thereof.
  • Particularly preferred amine oxide surfactants to be used according to the present invention are amine oxide surfactants having the following formula R1 R2R3NO wherein R-
  • Preferred amine oxide surfactants used herein are pure-cut amine oxide surfactants, i.e., a pure single amine oxide surfactant, e.g. Cs N,N- dimethyl amine oxide, as opposed to mixtures of amine oxide surfactants of different chain lengths
  • Suitable amine oxide surfactants for use herein are for instance pure cut Cg amine oxide, pure cut C-
  • Such amine oxide surfactants may be commercially available from Hoechst or Stephan.
  • Suitable nonionic surfactants for use herein also include any ethoxylated CQ- C24 fatty alcohol nonionic surfactant, alkyl propoxylates and mixtures thereof, fatty acid C ⁇ -C24 alkanolamides, C6-C20 polyethylglycol ethers, polyethylene glycol with molecular weight 1000 to 80000 and glucose amides, alkyl pyrrolidones.
  • Suitable cationic surfactants for use herein include quaternary ammonium compounds of the formula R1 R2R3R4N+ where R-
  • Suitable zwitterionic surfactants are zwitterionic betaine surfactants.
  • Suitable zwitterionic betaine surfactants for use herein contain both a cationic hydrophilic group, i.e., a quaternary ammonium group, and anionic hydrophilic group on the same molecule at a relatively wide range of pH's.
  • the typical anionic hydrophilic groups are carboxylates and sulphonates, although other groups like sulfates, phosphonates, and the like can be used.
  • a generic formula for the zwitterionic betaine surfactant to be used herein is : R 1 -N+(R 2 )(R3)R4X-
  • is a hydrophobic group
  • R2 is hydrogen, C ⁇ -CQ alkyl, hydroxy alkyl or other substituted C ⁇ ⁇ -CQ alkyl group
  • R3 is Ci-C ⁇ alkyl, hydroxy alkyl or other substituted C ⁇ ⁇ -CQ alkyl group which can also be joined to R2 to form ring structures with the N, or a C-i-C sulphonate group
  • R4 is a moiety joining the cationic nitrogen atom to the hydrophilic group and is typically an alkylene, hydroxy alkylene, or polyalkoxy group containing from 1 to 10 carbon atoms
  • X is the hydrophilic group, which is a carboxylate or sulphonate group.
  • Preferred hydrophobic groups R-j are aliphatic or aromatic, saturated or unsaturated, substituted or unsubstituted hydrocarbon chains that can contain linking groups such as amido groups, ester groups. More preferred R-
  • the hydrophobic group R ⁇ can also be an amido radical of the formula R a -C(O)-NH-(C(Rb)2)m, wherein R a is an aliphatic or aromatic, saturated or unsaturated, substituted or unsubstituted hydrocarbon chain, preferably an alkyl group containing from 8 up to 20, preferably up to 18, more preferably up to 16 carbon atoms, Rb is selected from the group consisting of hydrogen and hydroxy groups, and m is from 1 to 4, preferably from 2 to 3, more preferably 3, with no more than one hydroxy group in any (C(Rb)2) moiety.
  • R a is an aliphatic or aromatic, saturated or unsaturated, substituted or unsubstituted hydrocarbon chain, preferably an alkyl group containing from 8 up to 20, preferably up to 18, more preferably up to 16 carbon atoms
  • Rb is selected from the group consisting of hydrogen and hydroxy groups
  • m is from 1 to 4, preferably from 2 to 3, more preferably 3, with
  • Preferred R2 is hydrogen, or a C1-C3 alkyl and more preferably methyl.
  • Preferred R3 is C1-C4 sulphonate group, or a C1-C3 alkyl and more preferably methyl.
  • Preferred R4 is (CH2) n wherein n is an integer from 1 to 10, preferably from 1 to 6, more preferably is from 1 to 3.
  • betaine/sulphobetaine Some common examples of betaine/sulphobetaine are described in U.S. Pat. Nos. 2,082,275, 2,702,279 and 2,255,082, incorporated herein by reference.
  • alkyldimethyl betaines include coconut-dimethyl betaine, lauryl dimethyl betaine, decyl dimethyl betaine, 2-(N-decyl-N, N- dimethyl-ammonia)acetate, 2-(N-coco N, N-dimethylammonio) acetate, myristyl dimethyl betaine, palmityl dimethyl betaine, cetyl dimethyl betaine, stearyl dimethyl betaine.
  • coconut dimethyl betaine is commercially available from Seppic under the trade name of Amonyl 265®.
  • Lauryl betaine is commercially available from Albright & Wilson under the trade name Empigen BB/L®.
  • amidobetaines include cocoamidoethylbetaine, cocoamidopropyl betaine or C10-C14 fatty acylamidopropylene(hydropropylene)sulfobetaine.
  • C10-C14 fatty acylamidopropylene(hydropropylene)sulfobetaine is commercially available from Sherex Company under the trade name "Varion CAS® sulfobetaine".
  • betaine Lauryl-immino-dipropionate commercially available from Rhone-Poulenc under the trade name Mirataine H2C-HA®.
  • a preferred surfactant for use herein is an anionic surfactant or a zwitterionic surfactant or a mixture thereof
  • a more preferred surfactant is a sarcosinate surfactant, an alkyl sulphonate surfactant, an alkyl sulphate surfactant, an alkyl glycerol sulphate surfactant, an alkyl glycerol sulphonate surfactant or a zwitterionic betaine surfactant and mixtures thereof
  • an even more preferred surfactant is a sarcosinate surfactant, an alkyl sulphonate surfactant, an alkyl sulphate surfactant, or a zwitterionic betaine surfactant and mixtures thereof
  • the most preferred surfactant herein is an alkyl sarcosinate surfactant.
  • N-vinyl polymers and/or polyamine N-oxide polymers when present, as described herein can increase the activity of surfactants, preferably anionic surfactants and/or zwitterionic surfactants, most preferably sarcosinate surfactants, when present.
  • Said increase in activity is thought to be due to an interaction of the N-vinyl polymer and/or polyamine N-oxide polymer and a surfactant, preferably an anionic surfactant and/or a zwitterionic surfactant, most preferably a sarcosinate surfactant.
  • Said increase in activity further contributes to the overall cleaning performance of the compositions herein.
  • compositions of the present invention may further comprise a stabilizing agent selected from the group consisting of hydroxy pyridine N-oxides or derivatives thereof and mixtures thereof.
  • Suitable hydroxy pyridine N-oxides or derivatives thereof are according to the following formula:
  • X is nitrogen
  • Y is one of the following groups oxygen, -CHO, -OH, - (CH2)n-COOH, wherein n is an integer of from 0 to 20, preferably of from 0 to 10 and more preferably is 0, and wherein Y is preferably oxygen.
  • hydroxy pyridine N-oxides or derivatives thereof to be used herein is 2-hydroxy pyridine N-oxide.
  • Hydroxy pyridine N-oxides or derivatives thereof may be commercially available from Sigma.
  • compositions herein may comprise up to 2%, preferably from 0.001 % to 1 % and more preferably from 0.001 % to 0.5% by weight of the total composition of a hydroxy pyridine N-oxide or derivatives thereof or mixtures thereof.
  • compositions of the present invention may further comprise a chelating agent.
  • Suitable chelating agents are those known to those skilled in the art. Particularly suitable chelating agents include for examples phosphonate chelating agents, polyfunctionally-substituted aromatic chelating agents, amino carboxylate chelating agents, other chelating agents like ethylene diamine N,N'- disuccinic acid and mixtures thereof.
  • compositions herein may comprise up to 4%, preferably from 0.001 % to 1 %, and more preferably from 0.001 % to 0.5% by weight of the total composition of a chelating agent.
  • Suitable phosphonate chelating agents to be used herein may include ethydronic acid, alkali metal ethane 1 -hydroxy diphosphonates as well as amino phosphonate compounds, including amino alkylene poly (alkylene phosphonate), alkali metal ethane 1 -hydroxy diphosphonates, nitrilo trimethylene phosphonates, ethylene diamine tetra methylene phosphonates, and diethylene triamine penta methylene phosphonates.
  • the phosphonate compounds may be present either in their acid form or as salts of different cations on some or all of their acid functionalities.
  • Preferred phosphonate chelating agents to be used herein are diethylene triamine penta methylene phosphonates (DETPMP). Such phosphonate chelating agents are commercially available from Monsanto under the trade name DEQUEST®.
  • Polyfunctionally-substituted aromatic chelating agents may also be useful in the compositions herein. See U.S. patent 3,812,044, issued May 21 , 1974, to Connor et al. Preferred compounds of this type in acid form are dihydroxydisulfobenzenes such as 1 ,2-dihydroxy -3,5-disulfobenzene.
  • a preferred biodegradable chelating agent for use herein is ethylene diamine N,N'- disuccinic acid, or alkali metal, or alkaline earth, ammonium or substitutes ammonium salts thereof or mixtures thereof.
  • Ethylenediamine N,N'- disuccinic acids especially the (S,S) isomer
  • Ethylenediamine N,N'- disuccinic acids have been extensively described in US patent 4, 704, 233, November 3, 1987. to Hartman and Perkins.
  • Ethylenediamine N,N'- disuccinic acid is, for instance, commercially available under the tradename ssEDDS® from Palmer Research Laboratories.
  • Suitable amino carboxylate chelating agents to be used herein include ethylene diamine tetra acetates, diethylene triamine pentaacetates, diethylene triamine pentaacetate (DTPA), N-hydroxyethylethylenediamine triacetates, nitrilotri- acetates, ethylenediamine tetrapropionates, triethylenetetraaminehexa-acetates, ethanoldiglycines, propylene diamine tetracetic acid (PDTA) and methyl glycine di-acetic acid (MGDA), both in their acid form, or in their alkali metal, ammonium, and substituted ammonium salt forms.
  • a particularly suitable amino carboxylate to be used herein is diethylene triamine penta acetic acid (DTPA).
  • Suitable chelating agents to be used herein include salicylic acid or derivatives thereof, or mixtures thereof according to the following formula:
  • X is carbon
  • Y is one of the following groups -CHO, -OH, -(CH2)n- COOH, and preferably is -(CH2)n-COOH
  • n is an integer of from 0 to 20, preferably of from 0 to 10 and more preferably is 0.
  • Salicylic acid and derivatives thereof may be used herein either in their acid form or in their salts form as for example sodium salts. Salicylic acid is particularly preferred herein and may be commercially available from Rhone Poulenc.
  • compositions herein may further comprise a bleach activator, as an optional ingredient.
  • bleach activator it is meant herein a compound which reacts with hydrogen peroxide to form a peracid.
  • the peracid thus formed constitutes the activated bleach.
  • Suitable bleach activators to be used herein include those belonging to the class of esters, amides, imides, or anhydrides. Examples of suitable compounds of this type are disclosed in British Patent GB 1 586 769 and GB 2 143 231 and a method for their formation into a prilled form is described in European Published Patent Application EP-A-62 523.
  • Suitable examples of such compounds to be used herein are tetracetyl ethylene diamine (TAED), sodium 3,5,5 trimethyl hexanoyloxybenzene sulphonate, diperoxy dodecanoic acid as described for instance in US 4 818 425 and nonylamide of peroxyadipic acid as described for instance in US 4 259 201 and n-nonanoyloxybenzenesulphonate (NOBS).
  • TAED tetracetyl ethylene diamine
  • NOBS n-nonanoyloxybenzenesulphonate
  • N-acyl caprolactam selected from the group consisting of substituted or unsubstituted benzoyl caprolactam, octanoyl caprolactam, nonanoyl caprolactam, hexanoyl caprolactam, decanoyl caprolactam, undecenoyl caprolactam, formyl caprolactam, acetyl caprolactam, propanoyl caprolactam, butanoyl caprolactam pentanoyl caprolactam or mixtures thereof.
  • a particular family of bleach activators of interest was disclosed in EP 624 154, and particularly preferred in that family is acetyl triethyl citrate (ATC).
  • Acetyl triethyl citrate has the advantage that it is environmentally friendly as it eventually degrades into citric acid and alcohol. Furthermore, acetyl triethyl citrate has a good hydrolytical stability in the composition upon storage and it is an efficient bleach activator.
  • the compositions according to the present invention may comprise up to 30%, preferably from 1 % to 20%, and more preferably from 2% to 10% by weight of the total composition of a bleach activator.
  • compositions according to the present invention may further comprise a builder system. Any conventional builder system known in the art is suitable for use herein.
  • Suitable builders for use herein include derivatives of succinic acid of the formula R-CH(COOH)CH2(COOH) wherein R is C ⁇
  • Specific examples include lauryl succinate, myristyl succinate, palmityl succinate, 2-dodecenylsuccinate, 2-tetradecenyl succinate.
  • Succinate builders are preferably used in the form of their water-soluble salts, including sodium, potassium, ammonium and alkanolammonium salts.
  • Suitable builders are oxodisuccinates and mixtures of tartrate monosuccinic and tartrate disuccinic acid such as described in US 4,663,071.
  • fatty acid builders including saturated or unsaturated C10-I8 fatty acids, as well as the corresponding soaps.
  • Preferred saturated species have from 12 to 16 carbon atoms in the alkyl chain.
  • the preferred unsaturated fatty acid is oleic acid.
  • compositions herein may comprise up to 10%, preferably from 1 % to 7% by weight of the total composition of a builder system.
  • compositions herein may comprise a radical scavenger as another optional ingredient.
  • Suitable radical scavengers for use herein include the well-known substituted mono and di hydroxy benzenes and derivatives thereof, alkyl- and aryl carboxylates and mixtures thereof.
  • Preferred radical scavengers for use herein include di-tert-butyl hydroxy toluene (BHT), p-hydroxy-toluene, hydroquinone (HQ), di-tert-butyl hydroquinone (DTBHQ), mono-tert-butyl hydroquinone (MTBHQ), tert-butyl-hydroxy anysole (BHA), p-hydroxy-anysol, benzoic acid, 2,5- dihydroxy benzoic acid, 2,5-dihydroxyterephtalic acid, toluic acid, catechol, t-butyl catechol, 4-allyl-catechol, 4-acetyl catechol, 2-methoxy-phenol, 2-ethoxy-phenol, 2-methoxy-4-(2-propenyl)phenol, 3,4-dihydroxy benzaldehyde, 2,3-dihydroxy benzaldehyde, benzylamine, 1 ,1 ,3-tris(2-methyl-4-hydroxy-5-t-buty
  • di-tert-butyl hydroxy toluene which is for example commercially available from SHELL under the trade name IONOL CP® and/or tert-butyl-hydroxy anysole and/or propyl gallate.
  • the radical scavengers further contribute to the stability of the peroxygen bleach- containing compositions herein.
  • compositions according to the present invention may comprise up to 5%, preferably from 0.002% to 1.5% by weight and more preferably from 0.002% to 0.5% by weight of the total composition of a radical scavenger.
  • a carpet is treated by applying the liquid or solid composition, preferably the liquid composition, as described.
  • compositions according to the present invention may be applied to the carpet to be treated either in neat or diluted form, this applies to compositions being either liquid compositions or solid composition.
  • diluted form it is meant herein that the compositions for treating fabrics and/or textiles, preferably carpets, as described herein before may be diluted by the user, preferably with water.
  • Compositions herein can be diluted up to 150 times, preferably up to 50 times and more preferably up to 25 times.
  • compositions for treating fabrics and/or textiles are applied directly onto the carpets to be treated without undergoing any dilution, i.e., the compositions herein are applied onto the carpets as described herein.
  • the treatment of a carpet comprises the steps of applying said composition to the surface of the carpet in a liquid form, preferably in a liquid and neat form, and leaving said composition to dry onto the carpet. More preferably said treatment comprises the steps of applying said composition to the surface of the carpet in a liquid form, preferably in a liquid and neat form, leaving said composition to dry onto the carpet and finally removing said composition from said carpet.
  • liquid form it is meant that the liquid compositions for treating fabrics and/or textiles, preferably carpets, as described herein can be used per se in neat form or in diluted, and the solid compositions as described herein, for example powders, are dissolved in an appropriate solvent, typically water, before use, i.e., before being applied to said carpet.
  • an appropriate solvent typically water
  • the composition is applied onto the carpet in the form of a spray of droplets having a particle size distribution with a mean diameter D(v,0.9) of less than 1500 microns, preferably less than 1000 microns, more preferably of less than 750 microns, even more preferably less than 500 microns, and most preferably from 350 microns to 10 microns.
  • mean diameter D(v,0.9) of less than 1500 microns for a droplet size distribution it is meant that 90% of the spray of droplets dispensed (expressed in volume unit) has a droplet diameter of less than 1500 microns.
  • a D(v,0.9) of less than 1500 microns indicates that 90% of the total sprayed volume is dispensed with droplets whose diameter is less than 1500 microns.
  • a suitable test equipment is the Malvern Mastersizer S LongBed® with 1000 mm lens and a maximum particle size range of 3475 microns.
  • the Malvern Mastersizer S LongBed® provides 21 cm opening (between lenses) to accommodate spray flow. In all readings at the Malvern®, the lens surface must remain free of spray contamination. In the present setup procedure, the distance from nozzle to laser was fixed at 8 cm, this to minimize lens contamination. At 8 cm distance, the spray was directed to the laser beam to place the laser center to the spray cone. At least three readings have to be made for each composition sprayed to determine the particle size distribution of the spray of droplets.
  • the sprayer used in the test according to the present invention was an electrically operated sprayer.
  • a reference sprayer used herein is a hand trigger operated sprayer. Hand trigger systems have to be tested against repeatability with three different persons. These persons chosen for their varied ability to actuate the trigger against force: Small female, female with strong finger strength, and medium male.
  • any container adapted to deliver a spray of droplets as defined herein is suitable for use herein.
  • Suitable containers to be used herein also called “spray dispensers” share the common feature of having at least one aperture or a plurality of apertures also called “dispensing openings" through which the composition is dispensed so as to produce the spray of droplets as defined herein.
  • spray dispensers may be manually or electrically operated.
  • Typical manually operated spray dispensers include pump operated ones or trigger operated ones.
  • the composition contained in the container is directed through the spray dispenser head via energy communicated to a pumping mechanism by the user as said user activates said pumping mechanism or to an electrically driven pump.
  • the means for delivering the composition comprises an electrically driven pump and a spray arm being either extended or extendible and having at least one dispensing opening so that in operation, the composition is pumped by electrically driven pump from the container, through the spray arm to the dispensing opening from which it is dispensed. It is preferred that the spray arm communicates with the container by means of a flexible connector.
  • the spray arm may have one nozzle or multiple nozzles located along its length.
  • the spray arm makes it easier to control where the composition is sprayed.
  • the electrically driven pump may be, for example, a gear pump, an impeller pump, a piston pump, a screw pump, a peristaltic pump, a diaphragm pump, or any other miniature pump.
  • the pump is a gear pump with a typical speed between 6000 rpm and 12000 rpm.
  • the electrically driven pump is driven by a means such as an electric motor which typically produces a torque between 1 and 20 mN.m. The electric motor must in turn be provided with a power source.
  • the power source may be either mains electricity (optionally via transformer), or it may be a throw-away battery or rechargeable battery.
  • the spray arm may be rigidly extended. However such a spray arm can be difficult to store, and the spray arm is preferably extensible either by means of telescopic or foldable configuration.
  • compositions for treating fabrics and/or textiles, preferably carpets, according to the present invention applied will depend on the severity of the stain or soil. In the case of stubborn stains more than one application may be required to ensure complete removal of the stain.
  • the area to be treated by applying the compositions according to the present invention may be of any size. Indeed, a complete section or more preferably the whole carpet may be treated with the composition for the treating of carpets according to the present invention.
  • the step of applying a composition onto the carpets as described herein before does not need to be followed by a step where manual action is required other than a final optional removing step.
  • the compositions herein allow excellent cleaning performance without requiring any manual action like rubbing and/or brushing.
  • An advantage of the present invention is that the cleaning action of the present compositions commences as soon as said compositions are applied onto said carpet.
  • the composition is left to dry on the carpet for less than 2 hour, preferably less than 1 hour, more preferably less than 40 minutes, even more preferably from 1 to 30 minutes and most preferably from 1 to 20 minutes.
  • dry it is meant herein the stage where at least 40%, preferably at least 60% of the initial amount of composition dispensed onto the carpet is lost due to evaporation.
  • said liquid composition is left to dry, preferably until said composition which combined with dirt has been changed into dry residues. More preferably, said composition is then removed from the carpet. Even more preferably said composition is removed mechanically, and most preferably by vacuum cleaning. This may be carried out with the help of any commercially available vacuum cleaners like for instance a standard Hoover® 1300W vacuuming machine.
  • compositions herein may be used for the removal of stains and soils from fabrics and/or textiles as well as of odors.
  • compositions according to the present invention may be used to hygienise, disinfect and/or exterminate microinsects from fabrics and/or textiles.
  • compositions are made by combining the listed ingredients in the listed proportions (weight % unless otherwise specified).
  • compositions I II III IV V VI Compositions I II III IV V VI
  • Salicylic Acid 0.5 0.5 0.5 0.5 — 0.5
  • PVP Poly Vinyl Pyrrolidone
  • PVNO Poly(4-Vinylpyridine-N-Oxide) commercially available from Reilly.
  • PV/AA is N-vinylpyrrolidone and Acrylic Acid commercially available under the trade name Sokalan® PG 310.
  • PVPVI is N-vinylpyrrolidone and N-vinylimidazole co-polymer commercially available under the trade name Sokalan® PG55.
  • Sarcosinate is Sodium N-Lauroyl Sarcosinate commercially available from
  • BHT is butylated hydroxy toluene.
  • AMCP is acrylic/maleic based copoiymers commercially available under the trade name Sokalan CP5®.
  • Chelant* is a phosphonate chelant available under the trade name DEQUEST®
  • Na CnAS is sodium alkyl sulphate.
  • PA is an ethoxylated tetraethylenepentamine, average molecular weight 12,000.
  • compositions exemplified above are preferably packaged in a container adapted to deliver a spray of droplets having a particle size distribution with a mean diameter D(v,0.9) of 200 to 400 microns, when measured with Malvern Mastersizer S LongBed® referenced herein before.
  • a preferred container used is an electrically driven sprayer.
  • compositions in the examples above deliver softness characteristics to fabrics and/or textiles, preferably carpets, treated therewith as well as excellent cleaning performance on particulate soil, greasy/oily soil, and/or enzymatic as well as on other types of soils such as bleachable stains like coffee, tea and the like.

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  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

La présente invention concerne un agent de blanchiment peroxygéné, qui s'utilise comme adoucisseur dans une composition pour traiter des tissus et/ou des textiles et leur conférer des caractéristiques de souplesse.
EP99973061A 1998-11-27 1999-11-23 Agent de blanchiment peroxygene utilise comme adoucisseur de tissu ou de textile Withdrawn EP1133546A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP99973061A EP1133546A1 (fr) 1998-11-27 1999-11-23 Agent de blanchiment peroxygene utilise comme adoucisseur de tissu ou de textile

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP98870259A EP1004657A1 (fr) 1998-11-27 1998-11-27 Utilisation d'un agent de blanchiment peroxydé en tant qu'agent adoucissant pour textile
EP98870259 1998-11-27
PCT/IB1999/001870 WO2000032732A1 (fr) 1998-11-27 1999-11-23 Agent de blanchiment peroxygene utilise comme adoucisseur de tissu ou de textile
EP99973061A EP1133546A1 (fr) 1998-11-27 1999-11-23 Agent de blanchiment peroxygene utilise comme adoucisseur de tissu ou de textile

Publications (1)

Publication Number Publication Date
EP1133546A1 true EP1133546A1 (fr) 2001-09-19

Family

ID=8237126

Family Applications (2)

Application Number Title Priority Date Filing Date
EP98870259A Withdrawn EP1004657A1 (fr) 1998-11-27 1998-11-27 Utilisation d'un agent de blanchiment peroxydé en tant qu'agent adoucissant pour textile
EP99973061A Withdrawn EP1133546A1 (fr) 1998-11-27 1999-11-23 Agent de blanchiment peroxygene utilise comme adoucisseur de tissu ou de textile

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP98870259A Withdrawn EP1004657A1 (fr) 1998-11-27 1998-11-27 Utilisation d'un agent de blanchiment peroxydé en tant qu'agent adoucissant pour textile

Country Status (7)

Country Link
EP (2) EP1004657A1 (fr)
JP (1) JP2002531715A (fr)
AU (1) AU1172200A (fr)
BR (1) BR9915691A (fr)
CA (1) CA2348944A1 (fr)
TR (1) TR200101436T2 (fr)
WO (1) WO2000032732A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4884993B2 (ja) * 2007-02-05 2012-02-29 花王株式会社 液体柔軟剤組成物
JP4912905B2 (ja) * 2007-02-05 2012-04-11 花王株式会社 透明液体柔軟剤組成物
CN103189489A (zh) 2010-11-10 2013-07-03 高露洁-棕榄公司 含有污物释放聚合物的织物调理剂

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0321403A (ja) * 1989-06-20 1991-01-30 Nobuo Nishimura 籐工芸用籐材料を柔軟化および漂白して編み加工した籐製敷物
DK0629694T3 (da) * 1993-06-09 2000-08-28 Procter & Gamble Fremgangsmåde til tæpperensning
PL173175B1 (pl) * 1994-02-25 1998-02-27 Inst Chemii Nieorganicznej Sposób otrzymywania środka zmiękczająco-wybielającego, stosowanego jako składnik środków piorących, myjących i czyszczących
EP0839900A1 (fr) * 1996-10-31 1998-05-06 The Procter & Gamble Company Compositions pour le nettoyage de tapis et méthode de nettoyage

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0032732A1 *

Also Published As

Publication number Publication date
BR9915691A (pt) 2001-08-14
TR200101436T2 (tr) 2001-10-22
EP1004657A1 (fr) 2000-05-31
WO2000032732A1 (fr) 2000-06-08
AU1172200A (en) 2000-06-19
CA2348944A1 (fr) 2000-06-08
JP2002531715A (ja) 2002-09-24

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