EP0332270A2 - Fabric conditioning composition - Google Patents

Fabric conditioning composition Download PDF

Info

Publication number
EP0332270A2
EP0332270A2 EP19890200545 EP89200545A EP0332270A2 EP 0332270 A2 EP0332270 A2 EP 0332270A2 EP 19890200545 EP19890200545 EP 19890200545 EP 89200545 A EP89200545 A EP 89200545A EP 0332270 A2 EP0332270 A2 EP 0332270A2
Authority
EP
Grant status
Application
Patent type
Prior art keywords
fabric conditioning
fabric
amine
conditioning composition
composition according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19890200545
Other languages
German (de)
French (fr)
Other versions
EP0332270B2 (en )
EP0332270B1 (en )
EP0332270A3 (en )
Inventor
John Robert Martin
William Frederick Soutar Neillie
Graham Andrew Turner
Douglas Wraige
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unilever PLC
Unilever NV
Original Assignee
Unilever PLC
Unilever NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C11ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/88Ampholytes; Electroneutral compounds
    • C11D1/94Mixtures with anionic, cationic, or non-ionic compounds
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66Non-ionic compounds
    • C11D1/75Amino oxides
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/0005Other compounding ingredients characterised by their effect
    • C11D3/001Softening compositions
    • C11D3/0015Softening compositions liquid
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/38Cationic compounds
    • C11D1/40Monoamines or polyamines; Salts thereof
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/38Cationic compounds
    • C11D1/62Quaternary ammonium compounds

Abstract

A fabric conditioning composition comprises a cationic fabric softening agent, an amine and an amphoteric material which is preferably an amine oxide. The combination of the three components leads to an improvement in the softening benefit, delivered to the fabrics even in the presence of anionic surface active materials carried over from the wash cycle of a fabric laundering process. A method of use of the compositions is also disclosed.

Description

  • This invention relates to a fabric conditioning composition suitable for conditioning fabrics during the rinse step of a fabric laundry process or during the drying stage in a tumble dryer device.
  • It is known to treat fabrics with a fabric conditioning composition following a fabric washing process which often involves the use of anionic surface active materials.
  • In the treatment of fabrics in a tumble dryer it is known in the art to add one or more conditioning agents. For instance, for imparting a softening benefit to fabrics, it is known from CA 1 005 204 ( Procter and Gamble) to co-mingle fabrics in a tumble dryer with a flexible substrate carrying a normally solid fabric conditioning agent. It is also known from EP 95 335, EP 144 186 and EP 204 484, to add powdered conditioning agents during the tumble drying of fabrics.
  • In the treatment of fabrics in the rinse cycle of a fabric laundry process it is known in the art to add one or more conditioning agents. For instance it is known from British Patent Specification 1 260 584 (ARMOUR) to soften fabrics in the rinse cycle by the use of a composition containing a quaternary ammonium compound and a tertiary amine oxide.
  • It is known that anionic surface active materials carried over from the wash cycle of the fabric laundry process can have a detrimental effect on the effectiveness of fabric conditioning compositions containing fabric softening agents which are used in the rinse step or the drying step of the fabric laundry process. This problem can be alleviated if the fabrics are thoroughly rinsed before they are treated with a fabric conditioner, alternatively this problem can possibly be overcome by using fabric conditioning compositions which are not as sensitive to the presence of anionic surface active agents. Furthermore, it is known from European patent 63 899 (UNILEVER), to overcome the problem of anionic carry-over by the use of anionic scavengers, such as aluminium chlorohydrate.
  • It is an object of the present invention to provide fabric conditioning compositions which provide improved softening benefits to fabrics, in the absence, but also in the presence of anionic carry-over.
  • It is a further object of the present invention to provide fabric conditioning compositions which are stable, easy to prepare especially when manufacturing a product with a viscosity above 100 mPas, and which have an attractive creamy appearance.
  • We have now surprisingly discovered that one or more of the above mentioned objects can be fulfilled if in the fabric conditioning composition a cationic fabric softening agent is combined with certain other components.
  • Thus, accordingly there is provided a fabric conditioning composition comprising:
    • (i) a cationic fabric softening agent;
    • (ii) an amine; and
    • (iii) an amphoteric fabric conditioning material.
  • The fabric conditioning article according to the invention can alternatively be liquid, semi-solid or solid. Preferred embodiments of a fabric conditioning composition are aqueous liquid detergent compositions, fabric conditioning compositions, which are applied to a substrate for use in the tumble dryer, and solid powdered compositions for use in a tumble dryer.
  • If the fabric conditioning composition is an aqueous liquid detergent composition, it is preferred that based on the total weight of the components (i) to (iii) the weight of (i) is at least 20 %, the weight of (ii) is at least 5% and the weight of (iii) is at least 5%.
  • If the fabric conditioning composition is applied to a substrate for use in a tumble dryer or is in solid form for use in a tumble dryer then it is preferred that based on the total weight of components (i) to (iii), each component is present at a level of at least 5%.
  • Detailed descriotion of the invention
  • Fabric conditioning compositions according to the present invention comprise at least the following three active ingredients:
    • (i) a cationic fabric softening agent
    • (ii) an amine
    • (iii) an amphoteric fabric conditioning material
    The cationic fabric softening agent
  • Preferably the cationic fabric softener material is a cationic material which is water-insoluble in that these materials have a solubility in water at pH 2.5 and 20°C of less than 10 g/l. Highly preferred materials are cationic quaternary ammonium salts having two C12-24 hydrocarbyl chains.
  • Well-known species of substantially water-insoluble quaternary ammonium compounds have the formula
    Figure imgb0001
    wherein R₁ and R₂ represent hydrocarbyl groups from about 12 to about 24 carbon atoms; R₃ and R₄ represent hydrocarbyl groups containing from 1 to about 4 carbon atoms; and X is an anion, preferably selected from halide, methyl sulfate and ethyl sulfate radicals.
  • Representative examples of these quaternary softeners include ditallow dimethyl ammonium chloride; ditallow dimethyl ammonium methyl sulfate; dihexadecyl dimethyl ammonium chloride; di(hydrogenated tallow) dimethyl ammonium methyl sulfate; dihexadecyl diethyl ammonium chloride; di(coconut) dimethyl ammonium chloride. Ditallow dimethyl ammonium chloride, di(hydrogenated tallow) dimethyl ammonium chloride, di(coconut) dimethyl ammonium chloride and di(coconut) dimethyl ammonium methosulfate are preferred.
  • Suitable materials also include dialkyl ethoxyl methyl ammonium methosulphate based on soft fatty acid, dialkyl ethoxyl methyl ammonium methosulphate based on hard fatty acid, and a material in which R₃ and R₄ represent methyl, R₁ is C₁₃₋₁₅, R₂ is CH₂CH₂OCOR, where R is stearyl, and X is methosulphate. Materials in which R₂, R₃ and R₄ each represent methyl, R₁ is the group
    Figure imgb0002
    where R is hardened tallow and X is methosulphate are also suitable. Ditallow dimethyl ammonium chloride, di(hydrogenated tallow alkyl) dimethyl ammonium chloride, di(coconut alkyl) dimethyl ammonium chloride and di(coconut alkyl) dimethyl ammonium methosulfate are preferred.
  • Other preferred cationic compounds include those materials as disclosed in EP 239,910 (P&G), which is included herein by reference.
  • In this specification the expression hydrocarbyl group refers to alkyl or alkenyl groups optionally substituted or interrupted by functional groups such as -OH, -O-, -CONH, -COO-, etc.
  • Other preferred materials are the materials of formula
    Figure imgb0003
    R₅ being partially hardened tallow, which is available from Stepan under the tradename Stepantex VRH 90 and
    Figure imgb0004
    where R₈, R₉ and R₁₀ are each alkyl or hydroxyalkyl groups containing from 1 to 4 carbon atoms, or a benzyl group. R₆ and R₇ are each an alkyl or alkenyl chain containing from 11 to 23 carbon atoms, and X⁻ is a water soluble anion, substantially free of the corresponding monoester.
  • Another class of preferred water-insoluble cationic materials are the hydrocarbylimidazolinium salts believed to have the formula:
    Figure imgb0005
    wherein R₁₃ is a hydrocarbyl group containing from 1 to 4, preferably 1 or 2 carbon atoms, R₁₁ is a hydrocarbyl group containing from 8 to 25 carbon atoms, R₁₄ is an hydrocarbyl group containing from 8 to 25 carbon atoms and R₁₂ is hydrogen or an hydrocarbyl containing from 1 to 4 carbon atoms and A⁻ is an anion, preferably a halide, methosulfate or ethosulfate.
  • Preferred imidazolinium salts include 1-methyl-1-­(tallowylamido-) ethyl -2-tallowyl- 4,5-dihydro imidazolinium methosulfate and 1-methyl-1-­(palmitoylamido)ethyl -2-octadecyl-4,5- dihydro­imidazolinium chloride. Other useful imidazolinium materials are 2-heptadecyl-1-methyl-1- (2-stearylamido)­ethyl-imidazolinium chloride and 2-lauryl-1-­hydroxyethyl-1-oleyl-imidazolinium chloride. Also suitable herein are the imidazolinium fabric softening components of US patent No 4 127 489, incorporated by reference.
  • Representative commercially available materials of the above classes are the quaternary ammonium compounds Arquad 2HT (ex AKZO); Noramium M2SH (ex CEKA); Aliquat-­2HT (Trade Mark of General Mills Inc), Stepantex Q185 (ex Stepan); Stepantex VP85 (ex Stepan); Stepantex VRH90 (ex Stepan); Synprolam FS (ex ICI) and the imidazolinium compounds Varisoft 475 (Trade Mark of Sherex Company, Columbus Ohio) and Rewoquat W7500 (Trade Mark of REWO).
  • The amines
  • The compositions according to the invention also contain in addition to cationic fabric softening agents, one or more amines.
  • The term "amine" as used herein can refer to
    • (i) amines of formula
      Figure imgb0006
      wherein R₁₅, R₁₆ and R₁₇ are defined as below;
    • (ii) amines of formula
      Figure imgb0007
      wherein R₁₈, R₁₉, R₂₀ and R₂₁, m and n are defined as below.
    • (iii) imidazolines of formula
      Figure imgb0008
      wherein R₁₁, R₁₂ and R₁₄ are defined as above.
    • (iv) condensation products formed from the reaction of fatty acids with a polyamine selected from the group consisting of hydroxy alkylalkylenediamines and dialkylenetriamines and mixtures thereof. Suitable materials are disclosed in European Patent Application 199 382 (Procter and Gamble), incorporated herein by reference.
  • When the amine is of the formula I above, R₁₅ is a C₆ to C₂₄, hydrocarbyl group, R₁₆ is a C₁ to C₂₄ hydrocarbyl group and R₁₇ is a C₁ to C₁₀ hydrocarbyl group. Suitable amines include those materials from which the quaternary ammonium compounds disclosed above are derived, in which R₁₅ is R₁, R₁₆ is R₂ and R₁₇ is R₃. Preferably, the amine is such that both R₁₅ and R₁₆ are C₆-C₂₀ alkyl with C₁₆-C₁₈ being most preferred and with R₁₇ as C₁₋₃ alkyl, or R₁₅ is an alkyl or alkenyl group with at least 22 carbon atoms and R₁₆ and R₁₂ are C₁₋₃ alkyl. preferably thee amines are protonated with hydrochloric acid, orthophosphoric acid (OPA), C₁₋₅ carboxylic acids or any other similar acids, for use in the fabric conditioning compositions of the invention.
  • When the amine is of formula II above, R₁₈ is a C₆ to C₂₄ hydrocarbyl group, R₁₉ is an alkoxylated group of formula -(CH₂CH₂O)yH, where y is within the range from 0 to 6, R₂₀ is an alkoxylated group of formula -(CH₂CH₂O)zH where z is within the range from 0 to 6 and m is an integer within the range from 0 to 6, and is preferably 3. When m is 0, it is preferred that R₁₈ is a C₁₆ to C₂₂ alkyl and that the sum total of z and y is within the range from 1 to 6, more preferably 1 to 3. When m is 1, it is preferred that R₁₈ is a C₁₆ to C₂₂ alkyl and that the sum total of x and y and z is within the range from 3 to 10.
  • Representative commercially available materials of this class include Ethomeen (ex Armour) and Ethoduomeen (ex Armour).
  • Preferably the amines of type (ii) or (iii) are also protonated for use in the fabric conditioning compositions of the invention.
  • When the amine is of type (iv) given above, a particularly preferred material is
    Figure imgb0009
    where R₂₂ and R₂₃ are divalent alkenyl chains having from 1 to 3 carbons atoms, and R₂₄ is an acyclic aliphatic hydrocarbon chain having from 15 to 21 carbon atoms. A commercially available material of this class is Ceranine HC39 (ex Sandoz).
  • The amphoteric fabric conditioning material
  • The amphoteric fabric conditioning material for use in a composition according to the invention should be a fabric substantive amphotheric material. Suitable amphoteric materials form a particulate dispersion at a concentration of less than 1 g/l at at least one temperature between 0 and 100°C. For the purpose of this invention a fabric substantive amphoteric material is preferably an amphoteric or zwitterionic tertiary or quaternary ammonium compound having either one single very long hydrocarbyl side chain or two long hydrocarbyl chains. From these compounds the use of amphoteric or zwitterionic ammonium compounds having two long hydrocarbyl chains is particularly preferred for many reasons including costs, ease of processing and better stability and performance.
  • It is all-ready known, for instance from US 3,984,335 (BASF company) to use a fatty amphoteric compound having one long hydrocarbyl chain in liquid fabric softening components. Single very long chain amphoteric or zwitterionic materials as used in compositions according to the invention are distinctive over these materials in that the very long hydrocarbyl chain contains a substantial higher amount of C-atoms. For the purpose of the invention this single very long hydrocarbyl chain contains preferably from 16-50 C-atoms, more preferred from 22-50 C-atoms, particularly preferred from 24 to 40 C-atoms.
  • Amphoteric or zwitterionic ammonium compounds preferably have two long hydrocarbyl chains, each chain having 8-24 C-atoms, preferably 10-20 C-atoms, most preferred around 16 C-atoms.
  • Suitable amphoteric fabric substantive materials for use in a fabric treatment composition according to the invention are for instance:
    • I) Ampholytes of the following formula:
      Figure imgb0010
    • II) Hydrocarbyl betaines of the following formula:
      Figure imgb0011
    • III) Hydrocarbylamido betaines of the following formula:
      Figure imgb0012
    • IV) Glycinates or propionates of the following formula:
      Figure imgb0013
    • V) tertiary amine oxides of the following formula
      Figure imgb0014
      wherein:
      • a) R₂₅ and R₂₆ are C₈₋₂₅ hydrocarbyl chains, R₂₇ is an hydrocarbylgroup containing 1-4 carbon atoms or a group -(CH₂,CH₂O)nH, R₂₈, R₂₉, R₃₀ are -(CH₂)⁻, which can be interrupted with -O-,-­CONH-,-COO- etc, R₃₁ is R₂₇, r is 0 or 1, n is an integer from 1-6, X, Y are SO₃, SO²⁻ or COO⁻; or
      • b) R₂₅ is a C₁₆₋₅₀ hydrocarbyl chain, R₂₆, R₂₇ are hydrocarbyl groups containing 1-4 carbon atoms or a group -(CH₂CH₂O)nH-, R₂₈, R₂₉, R₃₀ are -(CH₂)n- which can be interrupted by -O-, -COHN-, -COO- etc, R₃₁ is R₂₇, r is 0 or 1, n is an integer from 1-6, X, Y are SO₃, SO²⁻ or COO⁻.
  • Preferably the amphoteric fabric substantive materials are water insoluble and have a solubility in water at pH 2.5 at 20°C of less than 10 g/l.
    The HLB of the amphoteric fabric substantive material is preferably less than 10.0.
  • Examples of amphoteric materials of the above groups and their method of preparation are given in our co-pending European patent application 89200113.2.
  • From the above listed materials, particularly the group V materials are preferred, especially those amine oxides containing two hydrocarbyl groups with at least 14 C-­atoms, such as dihardened tallow methyl amine oxide, or one hydrocarbyl group with at least 22 carbon atoms. Amine oxides have been found to provide particularly advantageous softening effects, furthermore compositions comprising amine oxides are clearly preferred because they are generally easy to prepare, are stable and have an interesting creamy appearance.
  • Optional ingredients
  • Preferably, the compositions of the present invention contain substantially no anionic material, in particular no anionic surface active material. If such materials are present, the weight ratio of the cationic fabric softening agent to the anionic material should preferably be more than 5:1.
  • The composition can also contain one or more optional ingredients selected from non-aqueous solvents such as C₁-C₄ alkanols and polyhydric alcohols, pH buffering agents such as strong or weak acids eg. HCl, H₂SO₄, phosphoric, benzoic or citric acids (the pH of the liquid compositions ie preferably less than 5.0), rewetting agents, viscosity modifiers such as electrolytes, for example calcium chloride, antigelling agents, perfumes, perfume carriers, fluorescers, colourants, hydrotropes, antifoaming agents, antiredeposition agents, enzymes, optical brightening agents, opacifiers, stabilisers such as guar gum and polyethylene glycol, emulsifiers, anti-shrinking agents, anti-wrinkle agents, fabric crisping agents, anti-­spotting agents, soil-release agents, germicides, linear or branched silicones, fungicides, anti-oxidants, anti-­corrosion agents, preservatives such as Bronopol (Trade Mark), a commercially available form of 2-bromo-2-­nitropropane-1,3-diol, dyes, bleaches and bleach precursors, drape imparting agents, antistatic agents, anti-redeposition agents, dye transfer inhibitors and ironing aids.
  • These optional ingredients, if added, are each present at levels up to 5% by weight of the composition. The pH of the composition is preferably 5 or below, or adjusted thereto.
  • Anti-redeposition agents particularly preferred in the compositions according to the invention are polymers. Suitable polymers include alkyl and hydroxoyalkyl cellulose ethers, such as methyl cellulose, and polyvinylpyrrolidone.
  • Silicones can be included in the compositions as the ironing aid, rewetting agent or the antifoaming agent. Suitable silicones for use in the compositions according to the invention include predominantly linear polydialkyl or alkylaryl siloxanes in which the alkyl groups contain one to five carbon atoms. The siloxanes can be amido or amino substituted. When the siloxane is amine substituted the amine group may be quaternised.
  • The compositions may also contain, in addition to the cationic fabric softening agent, other non-cationic fabric softening agents, such as nonionic fabric softening agents. Suitable nonionic fabric softening agents include glycerol esters, such as glycerol mono­stearate, fatty alcohols, such as stearyl alcohol, alkoxylated fatty alcohols C₉-C₂₄ fatty acids and lanolin and derivatives thereof. Suitable materials are disclosed in European Patent Application 88 520 (Unilever PLC/NV case C 1325), 122 141 (Unilever PLC/NV case C 1363) and 79 746 (Procter and Gamble), the disclosures of which are incorporated herein by reference. Typically such materials are included at a level within the range of from 0.5% to 10% by weight of the composition.
  • Liquid compositions
  • One preferred embodiment of a composition according to the present invention is an aqueous liquid fabric conditioning composition comprising cationic fabric softener, the amine and the amphoteric softener material. The amphoteric softener material is preferably an amine oxide.
  • The total level of the three ingredients in a liquid composition is preferably from 1 to 60% more preferred from 3 to 30% by weight of the composition. Preferably, based on the total weight of the three actives, the weight of the cationic softening agent is not more than 90%, preferably between 25 and 75 %, more preferred from 40 to 60 %. especially preferred about 50 %. The weight of the amine is not more than 70%, preferably between 10 and 60%, more preferred between 15 and 40 %, especially preferred about 25 %. The weight of the amphoteric material is not more than 60 %. If the amphoteric material is an amine oxide then this constitutes preferably less than 60 %, more preferred between 10 and 50 %, especially preferred between 15 and 40 %, most preferred about 25 % based on the weight of the three actives.
  • The optimum weight ratio of the three active components in the fabric conditioning composition depends on the level of anionic carried over from the wash cycle. We have found that a weight ratio of cationic fabric softener to amine to amine oxide of about 2:1:1 provides good results under most conditions of use.
  • The liquid compositions according to the inventions may be prepared by a variety of methods. One suitable method is to form a molten mixture of the cationic fabric softening agent, amine and amphoteric material, which is then added to water with stirring to form a dispersion and thereafter adding any optional ingredients.
  • In use, the fabric conditioning composition of the invention may be added to a large volume of water to form a liquor with which the fabrics to be treated are contacted. Generally, the total concentration of the cationic fabric softening agent, the amine and the amine oxide in this liquor will be between about 30 ppm and 500 ppm. The weight ratio of the fabrics to liquor will generally be between 40:1 and 4:1.
  • If the compositions of the invention are added to water which contains high levels of anionic surface active materials, a further improvement can be obtained if the compositions contain anionic scavengers such as low molecular weight cationics. Suitable materials include cationic compounds which have a solubility in water at pH 2.5 and 20°C of more than 5 g/l, preferably more than 10 g/l. Arquad 18 is a particularly preferred material. (Arquad 18 is a commercially available form of hardened tallow trimethyl ammonium chloride).
  • Tumble dryer products
  • Another preferred embodiment of the present invention involves the combination of a substrate and a mixture of active ingredients comprising a cationic fabric conditioner, an amine and an amphoteric material. Also in these compositions the amphoteric material is preferably an amine oxide.
  • The substrate for use in a fabric conditioning article according to the present invention may take any one of a variety of shapes such as blocks, rods, flakes, balls or sheets. Preferably the conditioning article comprises one or more flexible sheet substrates.
  • Such substrates are well-known in the art and include woven and non-woven fibrous substrates, polymeric substrates, extruded substrates etc. Suitable substrates are for instance disclosed in CA 1 005 204 (Procter and Gamble).
  • Combinations of a substrate and a fabric conditioner according to the invention may be prepared by any suitable method for the application of active materials onto a substrate. Such a method may for instance include the coating or impregnation of the substrate with the fabric conditioner. When using such a method, it may be preferred to combine the active materials with a solvent for these, followed by applying the solution to the substrate and evaporating said solvent, for instance under low pressure conditions.
  • Others suitable methods for combining the substrate with the fabric conditioner material include the sprinkling of the materials in solid form onto the substrate and the application of the materials in melted form onto the substrate.
  • Preferably the add-on ratio of the fabric conditioning material to the substrate is between 20:1 and 1:20, more preferred between 1:1 and 10:1. Especially preferred is a combination of a substrate and a fabric conditioner material, in which the total amount of conditioner material is 0.5 and 10 g, more preferred between 0.75 and 7.5 g, especially preferred between 1 and 5 g.
  • Another preferred embodiment of a fabric conditioning composition according to the present invention is a composition which is solid, preferably in the form of a powdered material. These materials are preferably used during the treatment of the fabrics in a tumble dryer. In this use they may for instance be contained in a sachet or another dispensing container. Suitable containers for use in the tumble dryer are for instance disclosed in EP 194 813 (Unilever N.V.).
  • In use the solid fabric conditioner composition according to the present invention are preferably used in amounts of between 0.5 and 10 g, preferably from 1 to 5 g, especially preferred from 1.5 to 3 g active material.
  • The fabric conditioner compositions for application to the substrate or for use in solid form comprise, based on the weight of the three active materials, more than 5 % fabric softener material, more than 5 % amine and more than 5 % amphoteric material. Preferably the amount of fabric softener material is from 5 to 90 %, more preferred from 20 to 85%, especially preferred about 80 %. The weight of the amine is preferably from 5 to 50 %, more preferred from 5 to 40 %, especially preferred from 5 to 35 %, most preferred about 10 %. The weight of the amphoteric material is preferably from 5 to 90%, if the amphoteric material is an amine oxide, the weight of this material is preferably from 5 to 50%, more preferred from 5 to 35 %, especially preferred from 5 to 25 %, typically about 10%.
  • The optimum weight ratio of the three active components in the fabric conditioning composition containing amine oxide is cationic: amine to amine oxide = 8 : 1 : 1.
  • The invention will now be illustrated by the following non limiting Examples, where Examples 1A, 1B, 2A and 2B are included for comparison purposes only. In all of the Examples, all parts and percentages are by weight. Where commercially available materials are referred to, the percentages quoted are those of the active ingredient therein.
  • Examples 1-2
  • Compositions were prepared according to the formulations in the following tables. The compositions were prepared by comelting the cationic fabric softening agent, amine and amine oxide at 80°C. (When the amine was Armeen M2HT, the ortho phosphoric acid was added to the water prior to forming the co-melt. In contrast when Ceranine HC39 was used, the acid was added after the components were dispersed). The comelt thus formed was added to water at 80°C and then soniprobed for a few minutes to form a disperion which was then cooled to room temperature.
  • The compositions were tested as follows -
    40 grams of cotton terry toweling were washed for 5 minutes at 50°C with a commercially available washing powder product, UK Persil Automatic, in a litre of Wirral water (10°FH) in a tergotometer. 5 grams of the washing powder product was used. After separating the wash liquor, the fabric load was rinsed twice at 25°C with Wirral water. 4ml of a test composition was added to the second rinse. After line drying, the fabric load was assessed for softness by a panel of experts using a paired comparison test.
    EXAMPLE NO. 1 1A 1B 2 2A 2B
    Ingredient %
    Arquad 2HT¹ 2.5 2.5 - 2.5 2.5 -
    Armeen M2HT² 1.25 - 2.5 - - -
    DHTMAO³ 1.25 2.5 2.5 1.25 2.5 2.5
    Ceranine HC39⁴ - - - 1,25 - 2.5
    OPA 0.25 - 0.50 0.25 - 0.50
    Water balance
    1 - Dihardened tallow dimethyl ammonium chloride (ex Akzo)
    2 - Dihardened tallow methylamine (ex Akzo)
    3 - Dihardened tallow methyl amine oxide (ex (Kenobel)
    4 - Reaction product of two moles of hardened tallow fatty acid with one mole of N-2-hydroxyethyl ethylene diamine (ex Sandoz).
  • The results of the softness showed a preference for composition 1 over compositions 1A and 1B ie. the ternary system, containing the cationic, amine and amine oxide, gave the best softening. The same result was obtained when compositions 2, 2A and 2B were compared.
  • Compositions 1 and 2 were also compared. The results showed a preference for the product containing Ceranine HC39.
  • Examples 3-6
  • In these Examples, a comparison was made between ternary compositions in which the amine was either protonated or unprotonated. Compositions were prepared according to the formulations in the table by the method described above.
    Example 3 4 5 6
    Arquad 2HT 2.5 2.5 2.5 2.5
    Armeen M2HT
    (i) protonated with OPA 1.25 - - -
    (ii) not protanated - 1.25 - -
    DHTMAO 1.25 1.25 1.25 1.25
    Ceranine HC39
    (i) protonated with OPA - - 1.25 -
    (ii) not protanated - - - 1.25
    OPA 0.25 - 0.25 -
    Water balance
  • The compositions were tested according to the method described in Examples 1 and 2.
  • The results show a preference for composition 3 which contained a protonated amine, over composition 4.
  • When Ceranine HC39 was the amine used, Examples 5 and 6, compositions containing the protonated and unprotonated material, gave similar results.
  • EXAMPLES 7-15
  • The following compositions according to the invention were prepared by the method described above.
    Figure imgb0015
    Figure imgb0016
  • Examples 16-21
  • The following compositions according to the invention were prepared by the method described above
    Example 16 17 18 19 20 21
    Arquad 2HT 7.5 6.75 7.50 8.5 7.5 5.1
    Ceranine HC39 3.75 3.375 3.75 - - 8.5
    Ceranine HCA - - - 4.25 3.75 -
    DHTMAO 3.75 3.375 3.75 4.25 3.75 3.4
    Dobanol 25-9 - - 1.00 - - -
    OPA 0.75 0.22 0.75 0.85 0.75 0.70
    Water balance
  • Examples 22-29
  • Tumble dryer sheet product were prepared as follows. Arquad 2HT, Ceranine HC39 and DHTMAO were used as the active materials. The active materials were melted together and about 3g of the mix was blended with 10 ml of chloroform. The active was absorbed on an apertured non-woven polyester substrate of 11 cm x 9 cm ex J.R. Crompton plc, the substrate was subsequently dried.
  • In example 28 a commercially available tumble dryer product BOUNCE (Procter & Gamble) was used for comparison.
  • In example 29 no fabric conditioner was added to the tumble dryer.
  • A one metre length of terry towelling previously harshened by washing 8 times at 60°C in 24 FH water using a Miele front loading automatic, the cloths were line dried and 2 kg of ballast load were used in the tumble dryer. The dryer was operated for 90 min on high setting. The softener score was determined by using a panel, a higher score indicates a better softening.
    Example Weight of active on sheet (g) % active removed in drying ratio AO:HC39:2HT -score
    22 2.44 22 8 : 1 : 1 2.99
    23 2.49 27 6 : 2 : 2 3.79
    24 2.22 37 1 : 1 : 1 3.90
    25 2.52 42 1 :4.5:4.5 4.13
    26 2.41 34 1 : 1 : 8 5.19
    27 2.40 47 4.5:4.5:1 4.21
    28 2.10 77 BOUNCE 2.87
    29 - - - 1.96
  • From this it follows that even though delivery of the active to the cloth was inferior for examples 22 - 27, all formulations were better than the BOUNCE sheets for softener preference.
  • Examples 30-37
  • Ternary active mixtures according to examples 22 - 29 were melted cooled and ground to obtain powdered softening compositions. The powders were introduced in an apertured cup comprising a bottom compartment such as disclosed in Fig. 1 of EP 204 484 (Unilever N.V.).
  • For comparison the actives were extracted from a BOUNCE sheet using chloroform, followed by drying and grinding.
  • Two grams of powdered material were added to the cup. The dryer conditions were as in examples 22 - 29. In example 37 no softener material was used for control purposes. The following results were obtained.
    Example Ratio AO : HC39 : 2 HT Softener score
    30 8 : 1 : 1 5.82
    31 6 : 2 : 2 5.82
    32 1 : 1 : 1 5.68
    33 1 :4.5:4.5 6.18
    34 1 : 1 : 8 7.71
    35 4.5:4.5:1 4.40
    36 BOUNCE 3.70
    37 Control 1.85

Claims (12)

1. A fabric conditioning composition comprising
(i) a cationic fabric softening agent
(ii) an amine; and
(iii) an amphoteric fabric conditioning material.
2. A fabric conditioning composition according to claim 1, wherein the amphoteric fabric conditioning material is an amine oxide.
3. A fabric conditioning composition according to claim 1 or 2, being an aqueous liquid composition wherein based on the total weight of the three components (i) to (iii), the weight of (i) is at least 20%, the weight of (ii) is at least 5% and the weight of (iii) is at least 5%.
4. A fabric conditioning composition according to claims 2 and 3, comprising based on the total weight of the three components (i) to (iii),
(i) 40 - 60% of cationic softening agent
(ii) 15 - 40% of an amine
(iii) 15 - 40% of an amine oxide.
5. A fabric conditioning composition according to claims 1-­4, comprising 3 - 30% by weight of active materials.
6. A fabric conditioning composition according to claim 1 or 2 being applied to a substrate.
7. A fabric conditioning composition according to claim 6 being applied to a flexible sheet substrate.
8. A fabric conditioning composition according to claim 1, in powdered form.
9. A fabric conditioning composition according to claim 6, 7 or 8 comprising
(i) 20 to 85% of cationic softening agent
(ii) 5 to 35% of an amine
(iii) 5 to 35% of an amine oxide.
10. Method for treating fabrics comprising the step of contacting fabrics with an aqueous bath comprising a fabric conditioning composition according to claims 1-4, the total concentration of the cationic fabric softening agent, the amine and the amine oxide being between 30 and 500 ppm.
11. Method for treating fabrics comprising the step of contacting fabrics in a tumble dryer with a substrate comprising 1-5 gr of a fabric conditioning composition according to claims 6, 7 or 9.
12. Method for treating fabrics comprising the step of contacting fabrics in a tumble dryer with a powdered fabric conditioning composition according to claim 8 or 9.
EP19890200545 1988-03-11 1989-03-06 Fabric conditioning composition Expired - Lifetime EP0332270B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB8805837A GB8805837D0 (en) 1988-03-11 1988-03-11 Fabric conditioning composition
GB8805837 1988-03-11

Publications (4)

Publication Number Publication Date
EP0332270A2 true true EP0332270A2 (en) 1989-09-13
EP0332270A3 true EP0332270A3 (en) 1990-05-16
EP0332270B1 EP0332270B1 (en) 1996-06-05
EP0332270B2 EP0332270B2 (en) 2001-07-04

Family

ID=10633270

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890200545 Expired - Lifetime EP0332270B2 (en) 1988-03-11 1989-03-06 Fabric conditioning composition

Country Status (6)

Country Link
EP (1) EP0332270B2 (en)
JP (1) JP2551479B2 (en)
CA (1) CA1341483C (en)
DE (2) DE68926584T3 (en)
ES (1) ES2087861T5 (en)
GB (1) GB8805837D0 (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0368383A2 (en) * 1988-11-09 1990-05-16 Unilever N.V. Fabric conditioner
EP0423894A2 (en) * 1989-10-16 1991-04-24 Colgate-Palmolive Company New softening compositions and methods for making and using same
EP0443313A1 (en) * 1990-01-19 1991-08-28 Kao Corporation Liquid softener composition for fabric
WO1995013346A1 (en) * 1993-11-11 1995-05-18 Unilever Plc Fabric conditioning composition
WO1996013565A1 (en) * 1994-10-28 1996-05-09 The Procter & Gamble Company Hard surface cleaning compositions comprising protonated amines and amine oxide surfactants
US5554588A (en) * 1991-11-08 1996-09-10 Lever Brothers Company, Division Of Conopco, Inc. Perfume compositions
WO1999060082A1 (en) * 1998-05-18 1999-11-25 Unilever Plc Stable quaternary ammonium compositions
EP0990695A1 (en) * 1998-09-30 2000-04-05 Witco Surfactants GmbH Fabric softener with dye transfer inhibiting properties
EP1154067A1 (en) * 1999-11-12 2001-11-14 Kao Corporation Softener composition
WO2002092742A1 (en) * 2001-05-11 2002-11-21 Reckitt Benckiser N.V. Fabric softening composition
US6887542B2 (en) * 2002-12-11 2005-05-03 Kimberly-Clark Worldwide, Inc. Method for treating an elastomeric article

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2805767A1 (en) 1977-02-15 1978-08-17 Unilever Nv Fabric conditioners, methods for their manufacture and their use
US4238531A (en) 1977-11-21 1980-12-09 Lever Brothers Company Additives for clothes dryers
EP0026528A1 (en) * 1979-09-29 1981-04-08 THE PROCTER & GAMBLE COMPANY Detergent compositions
EP0125031A1 (en) 1983-04-08 1984-11-14 Unilever Plc Liquid fabric-softening composition
GB2160886A (en) * 1984-06-20 1986-01-02 Firmenich & Cie Detergent article having softening action and process for its preparation
EP0199382A2 (en) * 1985-03-28 1986-10-29 THE PROCTER & GAMBLE COMPANY Liquid fabric softener
EP0210704A2 (en) * 1985-08-01 1987-02-04 Procter & Gamble European Technical Center Dispersible fabric softeners
FR2593517A1 (en) * 1986-01-27 1987-07-31 Colgate Palmolive Co A particulate detergent and fabric softener composition, process for the preparation and its application to fabric washing
EP0239910A2 (en) 1986-04-02 1987-10-07 Procter & Gamble European Technical Center (Naamloze Vennootschap) Biodegradable fabric softeners
DD251784A1

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56148970A (en) * 1980-01-11 1981-11-18 Procter & Gamble Composition for treating thick clothes
DE3263800D1 (en) * 1981-01-16 1985-07-04 Procter & Gamble Textile treatment compositions
DE3271167D1 (en) * 1981-09-11 1986-06-19 Procter & Gamble Fabric softening detergent additive products and use thereof in detergent compositions
JPS6024223A (en) * 1983-07-19 1985-02-06 Amada Co Ltd Method for controlling bending angle with press brake
JPS6259007B2 (en) * 1983-08-18 1987-12-09 Sekisui Chemical Co Ltd
JPS60115511A (en) * 1983-11-29 1985-06-22 Lion Corp Two-pack treatment composition for hair and fiber

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD251784A1
DE2805767A1 (en) 1977-02-15 1978-08-17 Unilever Nv Fabric conditioners, methods for their manufacture and their use
US4238531A (en) 1977-11-21 1980-12-09 Lever Brothers Company Additives for clothes dryers
EP0026528A1 (en) * 1979-09-29 1981-04-08 THE PROCTER & GAMBLE COMPANY Detergent compositions
EP0125031A1 (en) 1983-04-08 1984-11-14 Unilever Plc Liquid fabric-softening composition
GB2160886A (en) * 1984-06-20 1986-01-02 Firmenich & Cie Detergent article having softening action and process for its preparation
EP0199382A2 (en) * 1985-03-28 1986-10-29 THE PROCTER & GAMBLE COMPANY Liquid fabric softener
EP0210704A2 (en) * 1985-08-01 1987-02-04 Procter & Gamble European Technical Center Dispersible fabric softeners
FR2593517A1 (en) * 1986-01-27 1987-07-31 Colgate Palmolive Co A particulate detergent and fabric softener composition, process for the preparation and its application to fabric washing
EP0239910A2 (en) 1986-04-02 1987-10-07 Procter & Gamble European Technical Center (Naamloze Vennootschap) Biodegradable fabric softeners

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0368383A2 (en) * 1988-11-09 1990-05-16 Unilever N.V. Fabric conditioner
EP0368383A3 (en) * 1988-11-09 1991-07-03 Unilever N.V. Fabric conditioner
EP0423894A2 (en) * 1989-10-16 1991-04-24 Colgate-Palmolive Company New softening compositions and methods for making and using same
EP0423894A3 (en) * 1989-10-16 1992-04-22 Colgate-Palmolive Company New softening compositions and methods for making and using same
EP0443313A1 (en) * 1990-01-19 1991-08-28 Kao Corporation Liquid softener composition for fabric
US5554588A (en) * 1991-11-08 1996-09-10 Lever Brothers Company, Division Of Conopco, Inc. Perfume compositions
WO1995013346A1 (en) * 1993-11-11 1995-05-18 Unilever Plc Fabric conditioning composition
WO1996013565A1 (en) * 1994-10-28 1996-05-09 The Procter & Gamble Company Hard surface cleaning compositions comprising protonated amines and amine oxide surfactants
WO1999060082A1 (en) * 1998-05-18 1999-11-25 Unilever Plc Stable quaternary ammonium compositions
EP0990695A1 (en) * 1998-09-30 2000-04-05 Witco Surfactants GmbH Fabric softener with dye transfer inhibiting properties
EP1154067A1 (en) * 1999-11-12 2001-11-14 Kao Corporation Softener composition
EP1154067A4 (en) * 1999-11-12 2004-12-15 Kao Corp Softener composition
WO2002092742A1 (en) * 2001-05-11 2002-11-21 Reckitt Benckiser N.V. Fabric softening composition
US6887542B2 (en) * 2002-12-11 2005-05-03 Kimberly-Clark Worldwide, Inc. Method for treating an elastomeric article

Also Published As

Publication number Publication date Type
JP2551479B2 (en) 1996-11-06 grant
DE68926584T2 (en) 1996-10-02 grant
EP0332270B2 (en) 2001-07-04 grant
ES2087861T5 (en) 2001-10-16 grant
DE68926584D1 (en) 1996-07-11 grant
GB8805837D0 (en) 1988-04-13 grant
DE68926584T3 (en) 2001-09-27 grant
EP0332270B1 (en) 1996-06-05 grant
CA1341483C (en) 2005-05-17 grant
JPH026662A (en) 1990-01-10 application
EP0332270A3 (en) 1990-05-16 application
ES2087861T3 (en) 1996-08-01 grant

Similar Documents

Publication Publication Date Title
US5500138A (en) Fabric softener compositions with improved environmental impact
US5531910A (en) Biodegradable fabric softener compositions with improved perfume longevity
US5403499A (en) Concentrated fabric conditioning compositions
US3936538A (en) Polymeric film dryer-added fabric softening compositions
US4149978A (en) Textile treatment composition
US5474690A (en) Concentrated biodegradable quaternary ammonium fabric softener compositions containing intermediate iodine value fatty acid chains
US5066414A (en) Stable biodegradable fabric softening compositions containing linear alkoxylated alcohols
US5368756A (en) Fabric softening compositions containing mixtures of softener material and highly ethoxylated curd dispersant
US4386000A (en) Fabric softening composition
US5064544A (en) Liquid fabric conditioner containing compatible amino alkyl silicones
US4661267A (en) Fabric softener composition
US4233167A (en) Liquid detergent softening and brightening composition
US5652206A (en) Fabric softener compositions with improved environmental impact
US4851138A (en) Fabric softening composition and detergent-composition comprising the same
US5476598A (en) Liquid fabric softening composition containing amidoamine softening compound
US4724089A (en) Textile treatment compositions
US5830843A (en) Fabric care compositions including dispersible polyolefin and method for using same
US4806255A (en) Textile treatment compositions
US5767062A (en) Fabric softening compositions with dye transfer inhibitors for improved fabric appearance
US6492322B1 (en) Concentrated quaternary ammonium fabric softener compositions containing cationic polymers
US5977055A (en) High usage of fabric softener compositions for improved benefits
US20050256027A1 (en) Fabric care composition comprising polymer encapsulated fabric or skin beneficiating ingredient
US4661269A (en) Liquid fabric softener
US5093014A (en) Fabric treatment composition and the preparation thereof
US5869442A (en) Fabric softening compositions with dye transfer inhibitors for improved fabric appearance

Legal Events

Date Code Title Description
AK Designated contracting states:

Kind code of ref document: A2

Designated state(s): CH DE ES FR GB IT LI NL SE

AK Designated contracting states:

Kind code of ref document: A3

Designated state(s): CH DE ES FR GB IT LI NL SE

17P Request for examination filed

Effective date: 19900430

RAP3 Correction of the address or name of applicant (a document)

Owner name: UNILEVER N.V.

Owner name: UNILEVER PLC

17Q First examination report

Effective date: 19930602

AK Designated contracting states:

Kind code of ref document: B1

Designated state(s): CH DE ES FR GB IT LI NL SE

PG25 Lapsed in a contracting state announced via postgrant inform. from nat. office to epo

Ref country code: LI

Effective date: 19960605

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 19960605

Ref country code: CH

Effective date: 19960605

REG Reference to a national code

Ref country code: ES

Ref legal event code: BA2A

Ref document number: 2087861

Country of ref document: ES

Kind code of ref document: T3

REF Corresponds to:

Ref document number: 68926584

Country of ref document: DE

Date of ref document: 19960711

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2087861

Country of ref document: ES

Kind code of ref document: T3

ITF It: translation for a ep patent filed

Owner name: JACOBACCI & PERANI S.P.A.

ET Fr: translation filed
PG25 Lapsed in a contracting state announced via postgrant inform. from nat. office to epo

Ref country code: SE

Effective date: 19960905

NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

26 Opposition filed

Opponent name: PROCTER & GAMBLE EUROPEAN TECHNICAL CENTER N.V.

Effective date: 19970304

AK Designated contracting states:

Kind code of ref document: B2

Designated state(s): CH DE ES FR GB IT LI NL SE

27A Maintained as amended

Effective date: 20010704

ITF It: translation for a ep patent filed

Owner name: JACOBACCI & PERANI S.P.A.

REG Reference to a national code

Ref country code: ES

Ref legal event code: DC2A

Kind code of ref document: T5

Effective date: 20010904

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

ET3 Fr: translation filed ** decision concerning opposition
PGFP Postgrant: annual fees paid to national office

Ref country code: ES

Payment date: 20080326

Year of fee payment: 20

PGFP Postgrant: annual fees paid to national office

Ref country code: GB

Payment date: 20080327

Year of fee payment: 20

PGFP Postgrant: annual fees paid to national office

Ref country code: FR

Payment date: 20080317

Year of fee payment: 20

Ref country code: DE

Payment date: 20080430

Year of fee payment: 20

PGFP Postgrant: annual fees paid to national office

Ref country code: IT

Payment date: 20080329

Year of fee payment: 20

REG Reference to a national code

Ref country code: GB

Ref legal event code: PE20

Expiry date: 20090305

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20090307

PG25 Lapsed in a contracting state announced via postgrant inform. from nat. office to epo

Ref country code: GB

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20090305

PG25 Lapsed in a contracting state announced via postgrant inform. from nat. office to epo

Ref country code: ES

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20090307