EP0585039A1 - Utilisation d'une composition assouplissante de tissus - Google Patents

Utilisation d'une composition assouplissante de tissus Download PDF

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Publication number
EP0585039A1
EP0585039A1 EP93306497A EP93306497A EP0585039A1 EP 0585039 A1 EP0585039 A1 EP 0585039A1 EP 93306497 A EP93306497 A EP 93306497A EP 93306497 A EP93306497 A EP 93306497A EP 0585039 A1 EP0585039 A1 EP 0585039A1
Authority
EP
European Patent Office
Prior art keywords
fabric softening
amine
composition
yarn
softening composition
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
EP93306497A
Other languages
German (de)
English (en)
Inventor
Nazar Essa Naom Unilever Research Azoz
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
Application filed by Unilever PLC, Unilever NV filed Critical Unilever PLC
Publication of EP0585039A1 publication Critical patent/EP0585039A1/fr
Ceased legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
    • D06M13/35—Heterocyclic compounds
    • D06M13/352—Heterocyclic compounds having five-membered heterocyclic rings
    • 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
    • C11D1/58—Heterocyclic compounds

Definitions

  • the present invention relates to the use of a fabric softening composition comprising a substituted cyclic amine as a fabric damage inhibitor or fibre protector.
  • Rinse added fabric softening compositions are well known.
  • a class of relatively biodegradable cyclic amines that are known for use in fabric softening compositions are the ester imadazolines of the following formula: where R is C12 ⁇ 22 alkyl and R' is C1 ⁇ 4 alkyl
  • a preferred cyclic amine is 1-(N-tallowoyloxyethyl)-2-tallow-4,5 dihydroimidazole which can also be given the name 1-tallowacyloxyethyl-2-tallowimidazoline.
  • fabric softening compositions typically contain a level of cyclic amine softening material up to 7% by weight in which case the compositions are considered dilute, or a level from 7% to 50% in which case the compositions are considered concentrates.
  • fabric softening compositions desirably have other benefits. Such other benefits are particularly important for consumers who believe that the use of fabric softening compositions causes damage to the environment and that the damage outweighs the softening benefit obtained.
  • a typical wash will include some fabric containing cotton fibres. Abrasion of cotton fibres under wet conditions results in cotton fibre fibrillation whereby the cotton fibres are gradually broken down into their component fibrils and into fibrillar sheets. Such fibrillation is an important mechanism by which fabrics are damaged during wash processes. Damaged fabrics scatter light to a greater extent than undamaged fabrics and the scattering causes dulling of fabric colours. Ultimately the damage will result in mechanical disintegration of the fibre and the consequent failure of cotton garments. The main causes of fibrillation have been found to be swelling of the fibres when wet and friction. Both wet and dry friction cause damage.
  • inhibitor includes a component which confers protective care or protection on a fibre.
  • it encompasses those materials which reduce the damage to the fibre which would otherwise occur during the course of wearing and washing a garment.
  • composition is a liquid comprising an aqueous base.
  • a preferred type of substituted cyclic amine for use in the compositions according to the invention is represented by the formula: where R is C12 ⁇ 22 alkyl and R' is C1 ⁇ 4 alkyl
  • the composition can also contain fatty acids for example C8 - C24 alkyl or alkenyl monocarboxylic acids or polymers thereof.
  • the fatty acids are preferably present as a complex with the amine in the form of microfine particles in the range 0.1 to 20 micrometers.
  • saturated fatty acids are used, in particular, hardened tallow C16-C18 fatty acids.
  • the fatty acid is non-saponified, more preferably the fatty acid is free; for example oleic acid, lauric acid or tallow fatty acid.
  • the level of fatty acid material is preferably more than 0.1% by weight, more preferably more than 0.2% by weight. Especially preferred are concentrates comprising from 0.5 to 20% by weight of fatty acid, more preferably 1% to 10% by weight.
  • the weight ratio of quaternary ammonium material to fatty acid material is preferably from 10:1 to 1:10.
  • compositions of the invention preferably have a pH of more than 2, more preferably between 2 and 5.
  • the composition can also contain one or more optional ingredients, selected from non-aqueous solvents, pH buffering agents, perfumes, perfume carriers, fluorescers, colorants, hydrotropes, anti-foaming agents, anti-redeposition agents, enzymes, freeze-thaw stabilisers, optical brightening agents, opacifiers, anti-shrinking agents, anti-wrinkle agents, anti-spotting agents, germicides, fungicides, anti-oxidants, anti-corrosion agents, drape imparting agents, antistatic agents and ironing aids.
  • optional ingredients selected from non-aqueous solvents, pH buffering agents, perfumes, perfume carriers, fluorescers, colorants, hydrotropes, anti-foaming agents, anti-redeposition agents, enzymes, freeze-thaw stabilisers, optical brightening agents, opacifiers, anti-shrinking agents, anti-wrinkle agents, anti-spotting agents, germicides, fungicides, anti-oxidants, anti-corrosion agents
  • composition may also contain nonionic fabric softening agents such as lanolin and derivatives thereof, or complexing compounds such as the phosphate esters described in EP 0168889.
  • nonionic fabric softening agents such as lanolin and derivatives thereof, or complexing compounds such as the phosphate esters described in EP 0168889.
  • the figure shows a yarn on yarn abrasion tester with a test yarn 1 comprising fibres.
  • the two ends of the yarn are attached to metal links 2 and 3.
  • Metal link 2 joins the yarn to a cord 4 which passes over a first upper yarn guide pulley 4A and is attached to a tensioning weight 5. Typically a 20 g tensioning weight is used.
  • the other end of the yarn is attached to a second cord 6 by the metal link 3.
  • the yarn is twisted about itself in the test region 7 and is weighed down by passing the yarn around a lower yarn guide pulley 8.
  • the second cord 6 passes over a second upper yarn guide pulley 9 and is attached to an electrically driven reciprocating means 10.
  • the test method consists of attaching the yarn to be tested to one of the metal links, passing the yarn around the lower yarn guide pulley 9 and then twisting the yarn around itself a predetermined number of times to form the test region 7, before attaching it to the other metal link.
  • the reciprocating means is then switched on.
  • a record is kept of the number of oscillations of the reciprocating means before failure.
  • the test was repeated a number of times and very high or low results discarded before a statistical analysis was made of the remaining data.
  • compositions of the two fabric softening compositions were as follows:
  • compositions were used at recommended concentrations in cold water. After rinsing, the yarns were allowed to dry for 24 hours at room temperature. They were then individually abraded on the yarn on yarn abrasion tester. Abrasion tests were carried out dry.
  • Table 1 shows the mean number of cycles before 24 samples of yarn failed in a dry abrasion test. TABLE 1 Treatment Number of cycles to failure Water 964 Composition A 1503 Composition B 1748

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (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)
EP93306497A 1992-08-28 1993-08-18 Utilisation d'une composition assouplissante de tissus Ceased EP0585039A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB929218330A GB9218330D0 (en) 1992-08-28 1992-08-28 Use of fabric softening composition
GB9218330 1992-08-28

Publications (1)

Publication Number Publication Date
EP0585039A1 true EP0585039A1 (fr) 1994-03-02

Family

ID=10721110

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93306497A Ceased EP0585039A1 (fr) 1992-08-28 1993-08-18 Utilisation d'une composition assouplissante de tissus

Country Status (2)

Country Link
EP (1) EP0585039A1 (fr)
GB (1) GB9218330D0 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1565808A (en) * 1975-09-04 1980-04-23 Hoechst Ag Fabric softeners and detergent compositions containing imidazolines derivatives
EP0302567A2 (fr) * 1987-08-07 1989-02-08 The Procter & Gamble Company Procédé pour préparer des compositions adoucissantes biodégradables pour le linge
EP0345842A2 (fr) * 1988-05-27 1989-12-13 The Procter & Gamble Company Compositions adoucissantes pour le linge contenant des mélanges des esters d'imidazoline substitués et des sels quaternaires d'ammonium ester

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1565808A (en) * 1975-09-04 1980-04-23 Hoechst Ag Fabric softeners and detergent compositions containing imidazolines derivatives
EP0302567A2 (fr) * 1987-08-07 1989-02-08 The Procter & Gamble Company Procédé pour préparer des compositions adoucissantes biodégradables pour le linge
EP0345842A2 (fr) * 1988-05-27 1989-12-13 The Procter & Gamble Company Compositions adoucissantes pour le linge contenant des mélanges des esters d'imidazoline substitués et des sels quaternaires d'ammonium ester

Also Published As

Publication number Publication date
GB9218330D0 (en) 1992-10-14

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