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
  • C11D3/3947—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
  • C11D3/20—Organic compounds containing oxygen
  • C11D3/2003—Alcohols; Phenols
• • 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
  • C11D3/2068—Ethers
• • 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
  • C11D3/43—Solvents
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/02—Anionic compounds
  • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
  • C11D1/29—Sulfates of polyoxyalkylene ethers
• • C—CHEMISTRY; METALLURGY
  • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
  • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
  • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
  • C11D1/66—Non-ionic compounds
  • C11D1/72—Ethers of polyoxyalkylene glycols
• • 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
  • C11D3/2003—Alcohols; Phenols
  • C11D3/2006—Monohydric alcohols
  • C11D3/2034—Monohydric alcohols aromatic

Definitions

• EP-A-126545 discloses liquid scouring cleaners comprising an abrasive, at least 0.1% of terpene (e.g., d-limonene), at least 0.1% of benzyl alcohol and optionally surfactants, builders and the like.
• the compositions clean both greasy and particle soils from hard surfaces. No bleaches are disclosed. No laundry application is disclosed.
• EP-A-216416 discloses liquid scouring cleansers (pH 8-12) with paraffin sulfonate and alkyl benzene sulfonate, 0.5%-10% of a mono- or sesquiterpene, 0.5%-3% of a polar solvent, an acrylic polymeric thickener, an abrasive and a viscosity enhancing compound. No bleaches are disclosed. No laundry application is disclosed.
• EP-A-293 040 discloses solid peroxygen bleach-containing aqueous liquid detergents having a pH of at least 8.
• EP-A-482 275 discloses stable liquid detergents comprising a bleach, a watersoluble peroxygen compound suspended in a liquid phase, surfactant and hydrophobic silica.
• the present invention encompasses a process of bleaching a fabric with a liquid, aqueous composition having a pH of from 2 to 6, comprising a peroxygen bleach and a solvent system comprising from 0.05% to 20% by weight of the total composition of a hydrophilic solvent having a hydrophilic index of more than 18, and from 0.05% to 10% by weight of the total composition of a hydrophobic solvent having a hydrophilic index of less than 18, wherein the hydrophilic index is defined by the equation molecular weight of the hydrophilic part of the solvent total molecular weight of the solvent *100, said process comprising the steps of applying said composition in its neat form onto said fabric, preferably only soiled portions thereof, before rinsing, or washing then rinsing said fabric.
• the present invention also encompasses a process of bleaching fabrics which includes the steps of diluting in an aqueous bath a liquid composition in its neat form, comprising a peroxygen bleach and a solvent system as defined hereinabove, contacting said fabrics with said aqueous bath comprising said liquid composition, and subsequently rinsing, or washing then rinsing said fabrics.
• the present invention encompasses a liquid, aqueous composition having a pH of from 2 to 6, suitable for bleaching fabrics, comprising a peroxygen bleach, and a solvent system comprising from 0.05% to 20% by weight of the total composition of a hydrophilic solvent having a hydrophilic index of more than 18, and from 0.05% to 10% by weight of the total composition of a hydrophobic solvent having a hydrophilic index of less than 18, wherein the hydrophilic index is defined by the equation molecular weight of the hydrophilic part of the solvent total molecular weight of the solvent *100.
• stain removal performance it is meant herein stain removal performance on a variety of stains/soils such as greasy/oily stains, and/or enzymatic stains and/or mud/clay stains as well as on bleachable stains.
• compositions to be used herein are aqueous.
• Said aqueous compositions have a pH as is of from 2 to 6, and preferably from 3 to 5, where optimum chemical stability is achieved.
• the pH of the compositions can be adjusted for instance by using organic or inorganic acids, or alkalinizing agents.
• Preferred peroxygen bleach-containing emulsions herein comprise an emulsifying surfactant system of at least two different surfactants.
• said two different surfactants should have different HLB values (hydrophilic / lipophilic balance) in order to form stable emulsions, and preferably the difference in value of the HLBs of said two surfactants is at least 1, preferably at least 2. Indeed, by appropriately combining at least two of said surfactants with different HLBs in water, emulsions will be formed which do not substantially separate into distinct layers, upon standing for at least two weeks at 40°C.
• Such materials can conveniently be represented as molecules of the empirical structures with repeating units : and wherein R is a hydrocarbyl group, usually of 2-6 carbon atoms; R 1 may be a C 1 -C 20 hydrocarbon; the alkoxy groups are ethoxy, propoxy, and the like, and y is 2-30, most preferably from 10-20; n is an integer of at least 2, preferably from 2-20, most preferably 3-5; and X - is an anion such as halide or methylsulfate, resulting from the quaternization reaction.
• compositions herein may also comprise other polymeric soil release agents known to those skilled in the art.
• polymeric soil release agents are characterised by having both hydrophilic segments, to hydrophilize the surface of hydrophobic fibres, such as polyester and nylon, and hydrophobic segments, to deposit upon hydrophobic fibres and remain adhered thereto through completion of washing and rinsing cycles and, thus, serve as an anchor for the hydrophilic segments. This can enable stains occurring subsequent to treatment with the soil release agent to be more easily cleaned in later washing procedures.
• 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 C 4 -C 6 alkylene hydrophobe segments include, but are not limited to, end-caps of polymeric soil release agents such as MO 3 S(CH 2 ) n OCH 2 CH 2 O-, 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.
• Another preferred polymeric soil release agent is a sulfonated product of a substantially linear ester oligomer comprised of an oligomeric ester backbone of terephthaloyl and oxyalkyleneoxy repeat units and terminal moieties covalently attached to the backbone.
• These soil release agents are fully described in U.S. Patent 4,968,451, issued November 6, 1990 to J.J. Scheibel and E.P. Gosselink.
• Other suitable polymeric soil release agents 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.
• Said soil release 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.
• compositions may also employ a polyvinylpyrrolidone ("PVP") having an average molecular weight of from 5,000 to 400,000, preferably from 5,000 to 200,000, and more preferably from 5,000 to 50,000.
• PVP's are known to persons skilled in the detergent field; see, for example, EP-A-262,897 and EP-A-256,696, incorporated herein by reference.
• Compositions containing PVP can also contain polyethylene glycol (“PEG”) having an average molecular weight from 500 to 100,000, preferably from 1,000 to 10,000.
• PEG polyethylene glycol
• the ratio of PEG to PVP on a ppm basis delivered in wash solutions is from 2:1 to 50:1, and more preferably from 3:1 to 10:1.
• compositions herein may additionally incorporate a catalyst or accelerator to further improve bleaching or soil removal.
• a catalyst or accelerator can be used.
• the composition will typically deliver a concentration of from 0.1 ppm to 700 ppm, more preferably from 1 ppm to 50 ppm, or less, of the catalyst species in the wash liquor.
• metal-based bleach catalysts include those disclosed in U.S. Pat. 4,430,243 and U.S. Pat. 5,114,611.
• the use of manganese with various complex ligands to enhance bleaching is also reported in the following United States Patents: 4,728,455; 5,284,944; 5,246,612; 5,256,779; 5,280,117; 5,274,147; 5,153,161; and 5,227,084.
• liquid compositions described herein are laundry application, as a laundry detergent or as a laundry additive and especially as a pretreater such compositions may also be used to clean hard-surfaces.
• This composition can be used in a pretreatment mode, or in a bleaching-through-the-wash mode, as described in previous examples. It can also be used in a soaking mode, where 100 ml of the liquid compositions are diluted in 10 liters of water. The fabrics are then contacted with this aqueous bath containing the composition, and left to soak therein for a period of time of 24 hours. The fabrics are eventually rinsed. Excellent stain removal is obtained therewith on various stains including greasy stains, enzymatic stains, clay stains and bleachable stains.
• This composition can be used in a pretreatment mode, or in a bleaching-through-the-wash mode, as described in examples 1 and 2. It can also be used in a soaking mode, where 100 ml of the liquid compositions are diluted in 10 liters of water. The fabrics are then contacted with this aqueous bath containing the composition, and left to soak therein for a period of time of 24 hours. The fabrics are eventually rinsed. Excellent stain removal is obtained therewith on various stains including greasy stains, enzymatic stains, clay stains and bleachable stains.
• This composition is used in a pretreatment mode, as described in the examples above. Excellent stain removal is obtained therewith on various stains including greasy stains, enzymatic stains, clay stains and bleachable stains.
• This composition is used in a pretreatment mode as described in the previous examples. Excellent stain removal is obtained therewith on various stains including greasy stains, enzymatic stains, clay stains and bleachable stains.
• ATC stands for acetyl triethyl citrate.
• This composition is used in a pretreatment mode as described in the previous examples. Excellent stain removal is obtained therewith on various stains including greasy stains, enzymatic stains, clay stains and bleachable stains.

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

Priority Applications (16)

Applications Claiming Priority (1)

Publications (2)

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ID=8226164

Family Applications (1)

Country Status (15)

Cited By (1)

Families Citing this family (6)

Family Cites Families (8)

• 1996
  • 1996-09-13 EP EP96870115A patent/EP0829532B1/en not_active Expired - Lifetime
  • 1996-09-13 ES ES96870115T patent/ES2193231T3/es not_active Expired - Lifetime
  • 1996-09-13 DE DE69627847T patent/DE69627847T2/de not_active Expired - Lifetime
  • 1996-09-13 AT AT96870115T patent/ATE239070T1/de not_active IP Right Cessation
• 1997
  • 1997-09-10 BR BR9711830-3A patent/BR9711830A/pt not_active Application Discontinuation
  • 1997-09-10 JP JP51380298A patent/JP3212617B2/ja not_active Expired - Fee Related
  • 1997-09-10 SK SK333-99A patent/SK33399A3/sk unknown
  • 1997-09-10 WO PCT/US1997/015976 patent/WO1998011192A1/en not_active Ceased
  • 1997-09-10 CN CN97199585A patent/CN1237202A/zh active Pending
  • 1997-09-10 AU AU42637/97A patent/AU4263797A/en not_active Abandoned
  • 1997-09-10 CZ CZ99876A patent/CZ87699A3/cs unknown
  • 1997-09-10 TR TR1999/00559T patent/TR199900559T2/xx unknown
  • 1997-09-10 PL PL97332246A patent/PL332246A1/xx unknown
  • 1997-09-12 AR ARP970104204A patent/AR008183A1/es unknown
  • 1997-09-12 ZA ZA9708251A patent/ZA978251B/xx unknown

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