WO2023222325A1 - Conditionneur de tissu concentré - Google Patents

Conditionneur de tissu concentré Download PDF

Info

Publication number
WO2023222325A1
WO2023222325A1 PCT/EP2023/060295 EP2023060295W WO2023222325A1 WO 2023222325 A1 WO2023222325 A1 WO 2023222325A1 EP 2023060295 W EP2023060295 W EP 2023060295W WO 2023222325 A1 WO2023222325 A1 WO 2023222325A1
Authority
WO
WIPO (PCT)
Prior art keywords
quaternary ammonium
ammonium compounds
fatty acid
fabric conditioner
acid chains
Prior art date
Application number
PCT/EP2023/060295
Other languages
English (en)
Inventor
Gaurav Pathak
Shah Faisal SYED
Dhanalakshmi THIRUMENI
Original Assignee
Unilever Ip Holdings B.V.
Unilever Global Ip Limited
Conopco, Inc., D/B/A Unilever
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 Unilever Ip Holdings B.V., Unilever Global Ip Limited, Conopco, Inc., D/B/A Unilever filed Critical Unilever Ip Holdings B.V.
Publication of WO2023222325A1 publication Critical patent/WO2023222325A1/fr

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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/38—Cationic compounds
    • C11D1/645—Mixtures of compounds all of which are cationic
    • 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
    • C11D3/0015—Softening compositions liquid

Definitions

  • the present invention is in the field of concentrated fabric conditioners.
  • Concentrated fabric conditioners are fabric conditioners containing high levels of fabric softening actives.
  • traditional fabric softening actives such as those derived from palm oil or tallow are used in high concentrations, they cause unacceptable thickening of the formulations, particularly at low temperatures. This creates a problem for supply chains in colder regions of the world.
  • concentrated fabric softening compositions with a suitable viscosity at a wide range of temperatures including low temperatures.
  • a concentrated fabric conditioner composition comprising 30 to 90 wt.% fabric softening active, wherein the fabric softening active comprises; a) Quaternary ammonium compounds having 30 to 100 % saturated fatty acid chains; and b) Quaternary ammonium compounds having 0 to 20% saturated fatty acid chains; wherein the ratio of quaternary ammonium compounds a) : quaternary ammonium compounds b) is 6.25:3.75 to 3:7.
  • the invention further relates to a method of preparing a fabric conditioner wherein; a) Quaternary ammonium compounds having 30 to 100 % saturated fatty acid chains; are mixed with; b) Quaternary ammonium compounds having 0 to 20% saturated fatty acid chains; in a ratio of quaternary ammonium compounds a) : quaternary ammonium compounds b) is 6.25:4 to 3:7 to form a fabric softening blend; the fabric softening blend being further combined with solvents to form a fabric conditioner.
  • Quaternary ammonium compounds a) and/or b) are preferably so called "ester quats" or ester linked quaternary ammonium compounds.
  • Particularly preferred materials are the ester-linked triethanolamine (TEA) quaternary ammonium compounds comprising a mixture of mono-, di- and tri-ester linked components.
  • TAA ester-linked triethanolamine
  • TEA-based fabric softening compounds comprise a mixture of mono, di- and tri ester forms of the compound where the di-ester linked component comprises no more than 70 wt.% of the fabric softening compound, preferably no more than 60 wt.% e.g., no more than 55%, or even no more that 45% of the fabric softening compound and at least 10 wt.% of the monoester linked component.
  • a first group of quaternary ammonium compounds (QACs) suitable for use as quaternary ammonium compounds a) and/or b) in the present invention is represented by formula (I):
  • a second group of QACs suitable for use as quaternary ammonium compounds a) and/or b) in the present invention is represented by formula (II):
  • each R 1 group is independently selected from C1 to C4 alkyl, hydroxyalkyl or C2 to C4 alkenyl groups; and wherein each R 2 group is independently selected from C8 to C28 alkyl or alkenyl groups; and wherein n, T, and X- are as defined above.
  • a third group of QACs suitable for use as quaternary ammonium compounds a) and/or b) in the present invention is represented by formula (III): wherein each R 1 group is independently selected from C1 to C4 alkyl, or C2 to C4 alkenyl groups; and wherein each R 2 group is independently selected from C8 to C28 alkyl or alkenyl groups; and n, T, and X- are as defined above.
  • a particular example of the third group of QACs suitable for use as quaternary ammonium compounds a) and/or b) in the present invention is represented the by the formula (IV):
  • a fourth group of QACs suitable for use in the invention are represented by formula (V) Ri and R2 are independently selected from C10 to C22 alkyl or alkenyl groups, preferably C14 to C20 alkyl or alkenyl groups.
  • X- is as defined above.
  • a further type of softening compound may be a non-ester quaternary ammonium material represented by formula (VI): wherein each R 1 group is independently selected from C1 to C4 alkyl, hydroxyalkyl or C2 to C4 alkenyl groups; R 2 group is independently selected from C8 to C28 alkyl or alkenyl groups, and X- is as defined above.
  • formula (VI) wherein each R 1 group is independently selected from C1 to C4 alkyl, hydroxyalkyl or C2 to C4 alkenyl groups; R 2 group is independently selected from C8 to C28 alkyl or alkenyl groups, and X- is as defined above.
  • the fabric softening active blend comprises a) quaternary ammonium compounds having 30 to 100 % saturated fatty acid chains by total number of fatty acid chains, preferably 40 to 95 % saturated and most preferably 50 to 90 % saturated.
  • the fatty chains may be derived from any suitable source; however plant or tallow oils are preferred. Particularly preferred are fatty chains derived from tallow and/or palm oil.
  • the fabric softening active blend comprises b) quaternary ammonium compounds having 0 to 20% saturated fatty acid chains by total number of fatty acid chains, preferably 0 to 10%, more preferably 0 to 5%.
  • the fatty acid chains may be any fatty acids, however particularly preferred are C16 or C18 fatty acids, for example palmitoleic or oleic fatty acids, most preferably the fatty acid chains are oleic acid.
  • the b) quaternary ammonium compounds comprise 80 to 100 % monounsaturated fatty acid chains by total number of fatty acid chains, more preferably 90 to 100 % monounsaturated fatty acid chains.
  • the ratio of quaternary ammonium compounds a) : quaternary ammonium compounds b) is 6.25:3.75 to 2:7, preferably 6.25:3.75 to 3:7, preferably 6:4 to 3:7. These ratios allow a liquid product at low temperatures without unsatisfactory levels of oxidation of any perfume present in the formulation.
  • the fabric conditioners of the present invention comprise more than 30 wt. % fabric softening active blend, more preferably more than 35 wt. % fabric softening active blend, most preferably more than 40 wt. % fabric softening active blend by weight of the composition.
  • the fabric conditioners of the present invention comprise less than 90 wt. % fabric softening active blend, more preferably less than 85 wt. % fabric softening active blend, most preferably less than 80 wt. % fabric softening active blend by weight of the composition.
  • the fabric conditioners comprise 30 to 90 wt. % fabric softening active blend, preferably 35 to 85 wt.% fabric softening active blend and more preferably 40 to 80 wt. % fabric softening active blend by weight of the composition.
  • compositions descried herein preferably comprise a solvent.
  • the solvent is preferably an organic solvent.
  • Preferred organic solvents are selected form hydrocarbons, aromatic alcohols and combinations thereof.
  • the solvent may comprise a mixture of suitable solvents.
  • Particularly preferred hydrocarbons are hydrocarbons with a carbon chain comprising from 5 to 19 carbons, more preferably 12 to 18 carbons.
  • the hydrocarbons may be straight chain or branched, preferably straight chain.
  • a particularly preferred aromatic alcohol is benzyl alcohol.
  • the composition comprises 5 to 80 wt. % of the solvent described herein. More preferably 10 to 65 wt. % solvent and most preferably 15 to 50 wt. % solvent by weight of the composition.
  • compositions of the present invention comprise 0.5 to 30 wt.% perfume materials, more preferably 1 to 20 wt.% perfume materials, most preferably 1 to 15 wt. % perfume materials.
  • Useful perfume components may include materials of both natural and synthetic origin. They include single compounds and mixtures. Specific examples of such components may be found in the current literature, e.g., in Fenaroli's Handbook of Flavor Ingredients, 1975, CRC Press; Synthetic Food Adjuncts, 1947 by M. B. Jacobs, edited by Van Nostrand; or Perfume and Flavor Chemicals by S. Arctander 1969, Montclair, N.J. (USA). These substances are well known to the person skilled in the art of perfuming, flavouring, and/or aromatizing consumer products.
  • compositions of the present invention preferably comprise 0.5 to 20 wt.% free perfume, more preferably 0.5 to 12 wt. % free perfume.
  • compositions for use in the present invention it is envisaged that there will be three or more, preferably four or more, more preferably five or more, most preferably six or more different perfume components.
  • An upper limit of 300 perfume components may be applied.
  • the compositions of the present invention preferably comprise 0.5 to 20 wt.% perfume microcapsules, more preferably 0.5 to 12 wt. % perfume microcapsules.
  • the weight of microcapsules is of the material as supplied.
  • suitable encapsulating materials may comprise, but are not limited to; aminoplasts, proteins, polyurethanes, polyacrylates, polymethacrylates, polysaccharides, polyamides, polyolefins, gums, silicones, lipids, modified cellulose, polyphosphate, polystyrene, polyesters or combinations thereof.
  • Particularly preferred materials are aminoplast microcapsules, such as melamine formaldehyde or urea formaldehyde microcapsules.
  • Perfume microcapsules of the present invention can be friable microcapsules and/or moisture activated microcapsules.
  • friable it is meant that the perfume microcapsule will rupture when a force is exerted.
  • moisture activated it is meant that the perfume is released in the presence of water.
  • the compositions of the present invention preferably comprise friable microcapsules. Moisture activated microcapsules may additionally be present. Examples of a microcapsules which can be friable include aminoplast microcapsules.
  • Particularly preferred perfume components contained in a microcapsule are blooming perfume components and substantive perfume components.
  • Blooming perfume components are defined by a boiling point less than 250°C and a LogP greater than 2.5.
  • the encapsulated perfume compositions comprises at least 20 wt.% blooming perfume ingredients, more preferably at least 30 wt.% and most preferably at least 40 wt.% blooming perfume ingredients.
  • Substantive perfume components are defined by a boiling point greater than 250°C and a LogP greater than 2.5.
  • the encapsulated perfume compositions comprises at least 10 wt.% substantive perfume ingredients, more preferably at least 20 wt.% and most preferably at least 30 wt.% substantive perfume ingredients. Boiling point is measured at standard pressure (760 mm Hg).
  • a perfume composition will comprise a mixture of blooming and substantive perfume components.
  • the perfume composition may comprise other perfume components.
  • perfume components it is commonplace for a plurality of perfume components to be present in a microcapsule.
  • compositions for use in the present invention it is envisaged that there will be three or more, preferably four or more, more preferably five or more, most preferably six or more different perfume components in a microcapsule.
  • An upper limit of 300 perfume components may be applied.
  • the microcapsules may comprise perfume components and a carrier for the perfume ingredients, such as zeolites or cyclodextrins.
  • compositions for use as described herein may comprise other ingredients of fabric conditioner liquids as will be known to the person skilled in the art.
  • antifoams e.g. bactericides
  • anti-viral agents e.g. bactericides
  • pH buffering agents perfume carriers
  • hydrotropes e.g. bactericides
  • antiredeposition agents e.g. bactericides
  • soil-release agents e.g. bactericides
  • polyelectrolytes electrolytes
  • anti-shrinking agents electrolytes
  • anti-wrinkle agents anti-oxidants
  • dyes dyes
  • colorants e.g. s, sunscreens, anti-corrosion agents
  • drape imparting agents anti-static agents, sequestrants and ironing aids.
  • the products of the invention may contain pearlisers and/or opacifiers.
  • a preferred sequestrant is HEDP, an abbreviation for Etidronic acid or 1 -hydroxyethane
  • compositions are non-aqueous, however some water may be present.
  • the compositions comprise less than 10 wt. % water and most preferably, less than 5 wt. % water.
  • compositions described herein are preferably manufactured by melting the ester linked quaternary ammonium compounds in the presence of a solvent.
  • the ester linked quaternary ammonium compound and solvent are preferably heated to a temperature above 45°C, more preferably above 50°C and most preferably about 55°C.
  • Any perfume ingredients or other ingredients present in the final composition may be added at any stage; before heating, or while at the raised temperature, or after the composition has cooled down.
  • compositions described herein are preferably used in the rinse stage of the laundry process. They may be used in their concentrated form and dosed into the laundry process.
  • the composition may be dosed into the laundry process using a measuring cap, a pipet, a dropper or any other suitable dosing means.
  • the composition is dosed into the rinse stage of the laundry process.
  • the concentrated compositions described herein may be used in unit dose capsules or in a dilute at home product.
  • composition described herein may be packaged as a unit dose in polymeric film soluble in water. Preferably 2 to 15 ml are enclosed in a polymeric film.
  • a dilute at home product If used in a dilute at home product, this means that the composition is sold to the consumer in a concentrated format (as described herein) and the consumer dilutes the product at home.
  • the dilution is with water.
  • the consumer may pour the concentrated product (as described herein) into a container of water to make a more diluted product. Dilution occurs before the laundry process, in other word before the product is dosed into the washing machine or container in which the consumer is doing their laundry. Dilution allows the consumer to follow their regular dosing habits.
  • Diluting with water prior to being added to the laundry process means that before adding the product to the washing machine or the vessel used for hand washing, i.e. the consumer dilutes the product and then adds it to the drum or drawer of a washing machine of the vessel used for hand washing.
  • the composition is in the form of a dilute at home product, it is preferable that the composition further comprises non-ionic surfactant and/or a polymer.

Landscapes

  • 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 une composition de conditionneur de tissu concentré comprenant 30 à 90 % en poids de mélange actif d'adoucissement de tissu, le mélange actif d'adoucissement de tissu comprenant : a) des composés d'ammonium quaternaire ayant 30 à 100 % de chaînes d'acide gras saturé ; et b) des composés d'ammonium quaternaire ayant 0 à 20 % de chaînes d'acide gras saturé ; le rapport entre composés d'ammonium quaternaire a) et composés d'ammonium quaternaire b) étant de 6,25:4 à 3:7.
PCT/EP2023/060295 2022-05-19 2023-04-20 Conditionneur de tissu concentré WO2023222325A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP22174296.8 2022-05-19
EP22174296 2022-05-19

Publications (1)

Publication Number Publication Date
WO2023222325A1 true WO2023222325A1 (fr) 2023-11-23

Family

ID=81749128

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2023/060295 WO2023222325A1 (fr) 2022-05-19 2023-04-20 Conditionneur de tissu concentré

Country Status (1)

Country Link
WO (1) WO2023222325A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5407589A (en) * 1991-07-05 1995-04-18 Lever Brothers Company, Division Of Conopco, Inc. Fabric softening composition
WO1997034972A1 (fr) * 1996-03-22 1997-09-25 The Procter & Gamble Company Compose/composition d'assouplissement de tissus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5407589A (en) * 1991-07-05 1995-04-18 Lever Brothers Company, Division Of Conopco, Inc. Fabric softening composition
WO1997034972A1 (fr) * 1996-03-22 1997-09-25 The Procter & Gamble Company Compose/composition d'assouplissement de tissus

Similar Documents

Publication Publication Date Title
EP3894529B1 (fr) Compositions de conditionnement de tissu
ES2354599T3 (es) Composición suavizante del tejido.
ES2398622T3 (es) Mejoras relacionadas con acondicionadores de tejidos
CN104302750B (zh) 与织物调理剂有关的改进
WO2023222325A1 (fr) Conditionneur de tissu concentré
CA2425924A1 (fr) Compositions de conditionnement de tissus
CA2024699C (fr) Adoucissant pour textiles
US20230407206A1 (en) Fabric conditioner
US20240002752A1 (en) Concentrated non-aqueous fabric conditioners
EP4279569A1 (fr) Conditionneurs de tissus non aqueux concentrés
US20240060011A1 (en) Fabric conditioner
AU703439B2 (en) Fabric softening composition
EP3519546A1 (fr) Composition de blanchisserie
WO2023222323A1 (fr) Conditionneurs de tissus concentrés
WO2023222322A1 (fr) Adoucissant concentré
JP2023548362A (ja) トランス脂肪酸から部分的に誘導されるエステルクアットを含む液体コンディショニング組成物
WO2023099499A1 (fr) Procédé de conditionnement de tissu
CZ299080B6 (cs) Prostredek pro kondicionování tkanin
WO2023170124A1 (fr) Assouplissant concentré pour tissu
WO2023170120A1 (fr) Conditionneur de tissu concentré
ES2533707T3 (es) Acondicionadores de tejidos
US20240010948A1 (en) Fabric conditioner composition
EP4377430A1 (fr) Procédé de production d'un conditionneur de tissu
CN115667475A (zh) 洗衣组合物
BR112013009464B1 (pt) kit de peças para tratamento de tecidos e seu uso

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 23721344

Country of ref document: EP

Kind code of ref document: A1

DPE1 Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101)