WO2007052017A1 - Composition adoucissante pour tissu - Google Patents

Composition adoucissante pour tissu Download PDF

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Publication number
WO2007052017A1
WO2007052017A1 PCT/GB2006/004068 GB2006004068W WO2007052017A1 WO 2007052017 A1 WO2007052017 A1 WO 2007052017A1 GB 2006004068 W GB2006004068 W GB 2006004068W WO 2007052017 A1 WO2007052017 A1 WO 2007052017A1
Authority
WO
WIPO (PCT)
Prior art keywords
fabric
preferred
fabric softening
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.)
Ceased
Application number
PCT/GB2006/004068
Other languages
English (en)
Inventor
Pietro Caputo
Anna Crestana
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.)
Reckitt Benckiser UK Ltd
Reckitt Benckiser NV
Original Assignee
Reckitt Benckiser UK Ltd
Reckitt Benckiser NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Reckitt Benckiser UK Ltd, Reckitt Benckiser NV filed Critical Reckitt Benckiser UK Ltd
Publication of WO2007052017A1 publication Critical patent/WO2007052017A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • C11D3/0005—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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/38—Cationic compounds
    • C11D1/62—Quaternary ammonium compounds

Definitions

  • the present invention relates to fabric softening compositions.
  • Fabric softening compositions are known in the art for imparting benefits such as softness and/or antistatic properties to the treated fabric. These compositions are typically in liquid form and are used as part of a washing process in an automatic washing machine. Usually the composition cannot be used to in any other fabric treatment process, e.g. such as an ironing aid.
  • composition is preferably in the form of a powder, however other solid formulations are contemplated such as tablets, either made by compaction or by extruding.
  • the solid formulations may be dispersed in a liquid carrier before use.
  • a preferred liquid carrier is water.
  • Other suitable liquid carriers include organic solvents. Preferred organic solvents are; monohydric alcohol, such as ethanol, propa- nol, iso-propanol or butanol; dihydric alcohol, such as glycol; trihydric alcohols, such as glycerol, and polyhydric (polyol) alcohols.
  • composition preferably comprises a cationic fabric softener.
  • Cationic fabric softener preferably comprises a cationic fabric softener.
  • a cationic fabric softening active is an essential ingredient of the invention.
  • Typical levels within the compositions are from 3 to 45%, preferably from 4 to 25%, ideally from 10 to 25%, by weight of the composition.
  • the preferred, typical, cationic fabric softening actives include the water-dispersible quaternary-ammonium fabric softeners or amine precursors thereof:
  • Preferred quaternary ammonium compounds herein have the formula (I) or (Ia), and include a mixture thereof;
  • R is an alkylene or alkenylene group having 2 to 4 carbon atoms
  • R' is an alkyl or alkenyl group having 8 to 22 carbon atoms
  • n is an integer having a value of 1 to 4
  • R" is an alkyl group having 1 to 4 carbon atoms
  • R 1 is an alkyl group having 1 to 4 carbon atoms or hydrogen
  • X " is a softener-compatible anion.
  • Non-limiting examples of softener-compatible anions include chloride, formate, nitrate, sulfate or Ci -4 alkyl sulfate, preferably methyl sulfate.
  • the alkyl or alkenyl R' ideally must contain at least 10 carbon atoms, preferably at least 14 carbon atoms, more preferably at least 16 carbon atoms.
  • the group may be straight or branched.
  • Unsaturated fatty acid and partially hydrogenated fatty acid derived from vegetable oils are usually convenient and relatively inexpensive sources of long chain alkyl and alkenyl material.
  • the preferred compounds wherein R'represents these mixtures of long chain materials includes, but is not limited to, rape-seed oil, canola oil, peanut oil and sunflower oil.
  • a preferred, non-vegetable sourced, R' group is tallow.
  • a specific example of quaternary ammonium compounds suitable for use in the in- vention is di-(tallow carboxyemyl)hydroxyethylmethyl ammoniumX " .
  • the softener compatible anion (X " ) is merely present as a counterion of the positively charged quaternary ammonium compound.
  • the nature of the counterion anion is not critical at all to the practice of the present invention.
  • the scope of this invention is not considered limited to any particular anion.
  • amine precursors thereof is meant the secondary or tertiary amines corresponding to the above quaternary ammonium compounds, said amines being substantially protonated in the compositions due to the pH values of the composition.
  • the composition preferably comprises a cationic fabric co-softener.
  • Fabric co-softeners are understood by the skilled person as non-quaternary hydro- philic compounds that are added to boost softening performance. Preferred levels are from 0.1 to 10% by weight or 0.2 to 5% by weight.
  • R 3 , R 4 and R 5 are Ci 6 - 22 alkyl or al- kenyl (preferably alkenyl), preferably Ci 7- ⁇ ideally Ci 8 ; and the remaining group(s), if any, are Ci -4 hydroxyalkyl or hydrogen, preferably Ci -4 hydroxyalkyl, ideally hy- droxyethyl.
  • Silicone oils are effective at lubricating and smoothing fibres which allows fibres to slip or glide past each other.
  • Surfactants may need to be used to emulsifying the silicone oils.
  • surfactant typically cationic or non-ionic
  • is critical to stabilising the silicone emulsion it is preferred to use the lowest level of surfactant possi- ble.
  • Preferred methods of emulsifying suitable silicone oils are disclosed in Wo0107710 or US2003143176.
  • the preferred silicone oil is based upon dimethylsiloxane silicone, more preferably volatile dimethylsiloxane.
  • the volatile silicones provide surprisingly good fibre lubrication without the risk of unacceptable build-up on the fabric and/or surrounding surfaces due to their volatile nature.
  • Non-limiting examples of useful silicones in the compositions of the present invention include noncurable silicones such as volatile silicones and polydimethylsilicone, and curable silicones such as aminosilicones, phenylsilicones and hydroxysilicones.
  • Preferred silicones are those of formula (III)
  • G is selected from the group consisting of hydrogen, phenyl, OH, and/or C1-C8 alkyl; a denotes 0 or an integer from 1 to 3; b denotes 0 or 1; the sum of n + m is a number from 1 to 2,000; Rl is a monovalent radical of formula C p H 2+p L in which p is an integer from 2 to 8 and L is selected from the group consisting of :
  • each R2 is chosen from the group consisting of hydrogen, phenyl, benzyl, saturated hydrocarbon radical, and each A ' denotes a compatible anion, e. g., a halide ion.
  • film forming rinse agent we mean certain agents that are capable of being dissolved by the surfactant within the composition of the invention but upon dilution of the surfactant in the rinse cycle of the fabric washing machine become immiscible in water and are deposited on the fabric to form a film network over the fabric.
  • polyurethane polymers are typically made by the reaction of a diisocy- anate with a hydrocarbyl containing at least two active hydroxil, in the present application polyurethane formed with a hydrocarbyl having at least three active hydrogens is preferred, (an active hydrogen is defined as hydrogen which can be replaced by sodium).
  • an active hydrogen is defined as hydrogen which can be replaced by sodium.
  • the reaction is self sustaining, without by-product formation, and is relatively easily controlled. This mechanism of polymerisation is often named polyaddi- tion.
  • n is from 100 to 10,000 and R and R' are each a H or a hydrocarbyl group.
  • co-softeners include, but are not limited to; amine oxides, betaines and alkali metal soaps.
  • the preferred fatty acid precursors of the alkali metal soaps contain a high proportion of unsaturation, with oleyl groups being the most preferred.
  • the composition preferably contains up to 75% by weight of sequestrants, limescale preventatives (such as citric acid and pH modifying agents (such as sodium carbonate). Additional Components
  • composition may also optionally contain up to 5% by weight of additional com- ponents of at least one of the following; antioxidants and reductive agents, bacterio- cides, natural or synthetic extracts, antifoam agents, desiccants, enzymes, bleaches, bleach activators, hydrotropes, opacifiers, foam controllers, preservatives, disinfectants, pearlising agents), optical brighteners, dye transfer inhibitors, colour fading inhibitors, and aesthetic ingredients, for example fragrances and colorants.
  • additional com- ponents of at least one of the following; antioxidants and reductive agents, bacterio- cides, natural or synthetic extracts, antifoam agents, desiccants, enzymes, bleaches, bleach activators, hydrotropes, opacifiers, foam controllers, preservatives, disinfectants, pearlising agents), optical brighteners, dye transfer inhibitors, colour fading inhibitors, and aesthetic ingredients, for example fragrances and colorants.
  • an antifoam agent may be necessary to avoid excess generation of foam during the rinse cycle. Preferably up to 5%wt, ideally less than 3%wt or 2%wt. Typically such agents are silicones.
  • silicone antifoam agents can be described as siloxanes having the general structure: wherein n is from 20 to 2,000, and where each R independently can be an alkyl or an aryl radical. Examples of such substituents are methyl, ethyl, propyl, isobutyl, and phenyl.
  • Preferred polydiorganosiloxanes are polydimethylsiloxanes having trimethylsilyl endblocking units.
  • the antifoam agent of the typically further comprises as a water-soluble or water- dispersable organic carrier a surfactant-containing solution.
  • the surfactant containing solution comprise a surfactant which can be selected from nonionic and/or anionic and/or cationic and/or ampholytic and/or zwitterionic and/or semi-polar surfactants.
  • Hvdrotrope Hydrotr ⁇ pes aid in the solubility or dispersibility of different surfactants in aqueous solution. This usually has the side effect of lowering the viscosity of the resulting mixture.
  • Suitable and preferred hydrotropes are the alkali metal salts of a benzene, cumene, toluene and xylene sulfonate, ideally the sodium salt.
  • Hydroptopes may be added from 0.1 to 10% by weight, ideally no more that 5% by weight.
  • the Granulated Formula is prepared and dried before being sprayed with perfume ("Total Formula").
  • Praepagen HY is the C 12- 14 alkyl hydroxyethyl dimethyl ammonium chloride providing softening benefit.

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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)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

L'invention concerne un adoucissant pour tissu, solide destiné à être utilisé en tant que:- i) conditionneur de tissu lors du lavage et/ou, j) aide au repassage et/ou, k) rafraîchisseur de vêtements et/ou l) désodorisant de garde-robe.
PCT/GB2006/004068 2005-11-01 2006-10-31 Composition adoucissante pour tissu Ceased WO2007052017A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0522290.6 2005-11-01
GB0522290A GB0522290D0 (en) 2005-11-01 2005-11-01 Fabric softening composition

Publications (1)

Publication Number Publication Date
WO2007052017A1 true WO2007052017A1 (fr) 2007-05-10

Family

ID=35516147

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2006/004068 Ceased WO2007052017A1 (fr) 2005-11-01 2006-10-31 Composition adoucissante pour tissu

Country Status (2)

Country Link
GB (1) GB0522290D0 (fr)
WO (1) WO2007052017A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992018593A1 (fr) * 1991-04-22 1992-10-29 The Procter & Gamble Company Compositions assouplissantes granulaires pour tissus, formant des concentres sous forme d'emulsions aqueuses
WO1995011292A1 (fr) * 1993-10-22 1995-04-27 Unilever Plc Composition adoucissante pour textiles
US5505866A (en) * 1994-10-07 1996-04-09 The Procter & Gamble Company Solid particulate fabric softener composition containing biodegradable cationic ester fabric softener active and acidic pH modifier
WO2003083026A1 (fr) * 2002-03-28 2003-10-09 Unilever Plc Compositions solides pour conditionner un tissu

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992018593A1 (fr) * 1991-04-22 1992-10-29 The Procter & Gamble Company Compositions assouplissantes granulaires pour tissus, formant des concentres sous forme d'emulsions aqueuses
WO1995011292A1 (fr) * 1993-10-22 1995-04-27 Unilever Plc Composition adoucissante pour textiles
US5505866A (en) * 1994-10-07 1996-04-09 The Procter & Gamble Company Solid particulate fabric softener composition containing biodegradable cationic ester fabric softener active and acidic pH modifier
WO2003083026A1 (fr) * 2002-03-28 2003-10-09 Unilever Plc Compositions solides pour conditionner un tissu

Also Published As

Publication number Publication date
GB0522290D0 (en) 2005-12-07

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