EP2978833B1 - Weichspüler - Google Patents

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Publication number
EP2978833B1
EP2978833B1 EP14712299.8A EP14712299A EP2978833B1 EP 2978833 B1 EP2978833 B1 EP 2978833B1 EP 14712299 A EP14712299 A EP 14712299A EP 2978833 B1 EP2978833 B1 EP 2978833B1
Authority
EP
European Patent Office
Prior art keywords
alcohol
acid
softening composition
fabric
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.)
Active
Application number
EP14712299.8A
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English (en)
French (fr)
Other versions
EP2978833A1 (de
Inventor
Lin He
Hai Zhou ZHANG
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.)
Specialty Operations France SAS
Original Assignee
Rhodia Operations SAS
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Publication date
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Priority claimed from PCT/EP2013/056228 external-priority patent/WO2014154234A1/en
Application filed by Rhodia Operations SAS filed Critical Rhodia Operations SAS
Priority to EP14712299.8A priority Critical patent/EP2978833B1/de
Publication of EP2978833A1 publication Critical patent/EP2978833A1/de
Application granted granted Critical
Publication of EP2978833B1 publication Critical patent/EP2978833B1/de
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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
    • C11D1/88—Ampholytes; Electroneutral compounds
    • C11D1/90—Betaines
    • 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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2003—Alcohols; Phenols
    • C11D3/2006—Monohydric alcohols
    • C11D3/201—Monohydric alcohols linear
    • C11D3/2013—Monohydric alcohols linear fatty or with at least 8 carbon atoms in the alkyl chain
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2075—Carboxylic acids-salts thereof
    • C11D3/2079—Monocarboxylic acids-salts thereof

Definitions

  • the present invention concerns softening compositions comprising a C 16 -alkyl betaine, notably fabric softening compositions.
  • the invention also concerns a method of treating fabric which comprises the step of contacting said fabric in the rinse cycle of a fabric washing machine with an aqueous medium containing a composition as defined herein.
  • the invention also concerns a method for rinsing fabrics and the use of the softening compositions as a fabric softener.
  • Fabric care compositions deliver a number of desirable characteristics to fabrics upon treatment, including an improved fabric feel and a perception of freshness.
  • it is essential to provide consumer-desirable product aesthetics, for example not only an appealing neat product odor and a pleasant product color, but especially an appropriate product rheology and satisfactory physical product stability.
  • Preferred fabric softener actives according to WO-A-02072745 are esterquats such as N,N-bis(stearoyl-oxy-ethyl) N,N-dimethyl ammonium chloride, N,N-bis(tallowoyl-oxy-ethyl) N,N-dimethyl ammonium chloride, N,N-bis(stearoyl-oxy-ethyl) N-(2-hydroxyethyl) N-methyl ammonium methylsulfate or 1,2-di(stearoyl-oxy)-3-trimethyl ammoniumpropane chloride.
  • esterquats such as N,N-bis(stearoyl-oxy-ethyl) N,N-dimethyl ammonium chloride, N,N-bis(tallowoyl-oxy-ethyl) N,N-dimethyl ammonium chloride, N,N-bis(stearoyl-oxy-ethyl) N-(2-hydroxyethy
  • European patent publication no. EP 1 081 269 discloses the use of a non-ionic compound and an ampholytic surfactant as softening active. It discloses that said ampholytic surfactant may be a long chain dimethyl betaine. It discloses that a higher alcohol or a higher acid can be added.
  • the present invention is based on the surprising discovery that it is possible to obtain a stable fabric softener composition that performs well on softening fabrics, which comprises a fatty alkyl betaine.
  • Softening composition of the present invention comprising softener and water also provide the advantage to be homogeneous without phase separation.
  • the present invention then concerns a softening composition
  • a softening composition comprising at least a fabric softener compound of formula (I): R 1 -N + (CH 3 ) 2 -CH 2 -COO - (I) wherein R 1 is C 16 -alkyl, and a C 10 -C 22 carboxylic acid and/or a C 10 -C 22 alcohol; wherein the weight ratio of the compound of formula (I) to the C 10 -C 22 carboxylic acids and/or the C 10 -C 22 alcohols is comprised between 4:1 and 50:1.
  • a fabric softener, or mixtures thereof, is an essential ingredient of the invention.
  • Typical levels of the fabric softener within the softening compositions are 0.1% to 20% by weight, preferably from 1% to 15% by weight, more preferably from 3 to 10% by weight.
  • Alkyl as used herein means a straight chain or branched saturated aliphatic hydrocarbon. Alkyl chain may notably comprise one or several heteroatoms such as N or O. In complex structures, the chains may be branched, bridged, or cross-linked.
  • the compound of formula (I) is cetyl betaine.
  • the C 10 -C 22 carboxylic acids are chosen from the group consisting of capric acid, lauric acid, myristic acid, palmitic acid, stearic acid, arachidic acid and behenic acid.
  • the C 10 -C 22 alcohols are chosen from the group consisting of capryl alcohol, lauryl alcohol, myristyl alcohol, palmityl alcohol, stearyl alcohol, arachidyl alcohol and behenyl alcohol.
  • Weight ratio of compound of formula (I) to the C 10 -C 22 carboxylic acids and/or the C 10 -C 22 alcohols is comprised between 4:1 and 50:1, preferably between 10:1 and 20:1.
  • the neat pH, measured at 20C may be in the range of from 3 to 7.
  • the pH of these compositions herein can be regulated by the addition of acids such as Bronsted or Lewis ones.
  • suitable acids include the inorganic mineral acids, carboxylic acids, in particular the low molecular weight (C 1 -C 5 )-carboxylic acids, and alkylsulfonic acids.
  • Suitable inorganic acids include HCl, H 2 SO 4 , HNO 3 and H 3 PO 4 .
  • Suitable organic acids include formic, acetic, citric, methylsulfonic and ethylsulfonic acid.
  • Preferred acids are citric, hydrochloric, phosphoric, formic, methylsulfonic acid, and benzoic acids. Especially preferred is citric acid.
  • the softening composition may also comprise other fabric softeners classically used, such as for example quaternary ammonium salts, particularly dialkyl quats or ester quats.
  • Fabric softeners tend to be based on quaternary ammonium salts with one or two long alkyl chains, a typical compound being dipalmitoylethyl hydroxyethylmonium methosulfate.
  • Other cationic compounds can be derived from imidazolium, substituted amine salts, or quaternary alkoxy ammonium salts.
  • DHTDMAC dihydrogenated tallow dimethyl ammonium chloride
  • DHTDMAC dihydrogenated tallow dimethyl ammonium chloride
  • Softeners that may be used in combination with the compound of formula (I) are preferably quaternary ammonium softeners such as :
  • the fabric softener according to the invention may take a variety of physical forms including liquid, liquid-gel, paste-like, foam in either aqueous or nonaqueous form, powder, granular and tablet forms.
  • a preferred form of the composition is a liquid form, and in the form of an aqueous dispersion in water.
  • the composition may also be dispensed with dispensing means such as a sprayer or aerosol dispenser.
  • such a fabric softener When in a liquid form, such a fabric softener may contain from 0.1% to 20 % by weight of a fabric softening agent, in the case of standard (diluted) fabric softener but may contain higher levels from up to 30% or even 40% by weight in the case of very concentrated fabric softeners.
  • the composition will usually also contain water and other additives, which may provide the balance of the composition.
  • Suitable liquid carriers are selected from water, organic solvents and mixtures thereof.
  • the liquid carrier employed in the instant compositions is preferably at least primarily water due to its low cost, safety, and environmental compatibility. Mixtures of water and organic solvent may be used.
  • Preferred organic solvents are; monohydric alcohol, such as ethanol, propanol, iso-propanol or butanol; dihydric alcohol, such as glycol; trihydric alcohols, such as glycerol, and polyhydric (polyol) alcohols.
  • Liquid fabric softeners are customarily prepared by melting the softening ingredients and adding the melt to hot water, with agitation to disperse the water-insoluble ingredients.
  • the fabric softener according to the invention can be used in a so-called rinse process, where a fabric softener as defined above, is first diluted in an aqueous rinse bath solution. Subsequently, the laundered fabrics which have been washed with a detergent liquor and optionally rinsed in a first inefficient rinse step ("inefficient" in the sense that residual detergent and/or soil may be carried over with the fabrics), are placed in the rinse solution with the diluted composition.
  • the fabric softener may also be incorporated into the aqueous bath once the fabrics have been immersed therein.
  • agitation is applied to the fabrics in the rinse bath solution causing the suds to collapse, and residual soils and surfactant is to be removed.
  • the fabrics can then be optionally wrung before drying.
  • a method for rinsing fabrics which comprises the steps of contacting fabrics, preferably previously washed in a detergent liquor, with a softening composition according to the invention.
  • the subject-matter of the invention also includes the use of the softening composition of the present invention as a fabric softener, for instance to impart fabric softness to fabrics that have been washed in a high suds detergent solution, while providing in the rinse a reduction of suds or foaming and without the creation of undesirable flocs.
  • the present invention also concerns a method for softening a fabric comprising contacting a softening composition of the invention during a rinse cycle of a fabric washing machine with an aqueous medium comprising said softening composition.
  • This rinse process may be performed manually in basin or bucket, in a non-automated washing machine, or in an automated washing machine.
  • the laundered fabrics are removed from the detergent liquor and wrung out.
  • the fabric softener of the present invention may be then added to fresh water and the fabrics are then, directly or after an optional inefficient first rinse step, rinsed in the water containing the composition according to the conventional rinsing habit.
  • the fabrics are then dried using conventional means.
  • Incline method Chinese National Standard Softener Evaluation Method GB/T 18318.1-2009 Textiles-determination of bending behavior-Part 1: Incline method.
  • CB provides equivalent or higher water absorbency ability in comparison with compounds classically used in the softening compositions.
  • Softener treated fabric strips in certain size were stacked layer by layer.
  • a light weight (100.0g) and a heavy weight (550.0g) were applied on top of the stacked layer of strips and the height of the stack of strips is measured after 15 seconds as T100g and T550g respectively. The bigger the difference of the stack height under light and heavy weight, the more fluffy the fabric strip is.
  • Layer by layer method apparatus Layer number: 15 layers / Sample Size: 50 ⁇ 1mm in width and 80 ⁇ 1mm in length / Light weight: 100.0g weight standard / Heavy weight: 550.0g weight standard.
  • CB provides equivalent or higher fluffiness ability in comparison with compounds classically used in the softening compositions.

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)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Claims (9)

  1. Weichmachende Zusammensetzung, die mindestens einen Weichspüler der Formel (I):

            R1-N+(CH3)2-CH2-COO-      (I)

    wobei R1 für C16-Alkyl steht, und eine C10-C22-Carbonsäure und/oder einen C10-C22-Alkohol umfasst; wobei das Gewichtsverhältnis der Verbindung der Formel (I) zu den C10-C22-Carbonsäuren und/oder den C10-C22-Alkoholen zwischen 4:1 und 50:1 liegt.
  2. Weichmachende Zusammensetzung nach Anspruch 1, wobei die Zusammensetzung zwischen 0,1 Gewichts-% und 20 Gewichts-% der Weichspülerverbindung der Formel (I) umfasst.
  3. Weichmachende Zusammensetzung nach Anspruch 1 oder 2, wobei es sich bei der Verbindung der Formel (I) um Cetylbetain handelt.
  4. Weichmachende Zusammensetzung nach Anspruch 1, wobei die C10-C22-Carbonsäuren aus der Gruppe bestehend aus Caprinsäure, Laurinsäure, Myristinsäure, Palmitinsäure, Stearinsäure, Arachinsäure und Behensäure ausgewählt sind.
  5. Weichmachende Zusammensetzung nach Anspruch 1, wobei die C10-C22-Alkohole aus der Gruppe bestehend aus Caprylalkohol, Laurylalkohol, Myristylalkohol, Palmitylalkohol, Stearylalkohol, Arachidylalkohol und Behenylalkohol ausgewählt sind.
  6. Weichmachende Zusammensetzung nach einem der Ansprüche 1 bis 5, wobei der bei 20 °C gemessene pH-Wert der Zusammensetzung im Bereich von 3 bis 7 liegt.
  7. Verfahren zum Spülen von textilen Flächengebilden, bei dem man textile Flächengebilde, die zuvor vorzugsweise in einer Reinigungsmittelflotte gewaschen wurden, mit einer weichmachenden Zusammensetzung nach einem der Ansprüche 1 bis 6 in Berührung bringt.
  8. Verfahren zum Weichmachen eines textilen Flächengebildes, bei dem man eine weichmachende Zusammensetzung nach einem der Ansprüche 1 bis 6 während eines Spülgangs einer Waschmaschine mit einem wässrigen Medium, das die weichmachende Zusammensetzung umfasst, in Kontakt bringt.
  9. Verwendung der weichmachenden Zusammensetzung nach einem der Ansprüche 1 bis 6 als Weichspüler.
EP14712299.8A 2013-03-25 2014-03-25 Weichspüler Active EP2978833B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14712299.8A EP2978833B1 (de) 2013-03-25 2014-03-25 Weichspüler

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
PCT/EP2013/056228 WO2014154234A1 (en) 2013-03-25 2013-03-25 Fabric softener
EP14712299.8A EP2978833B1 (de) 2013-03-25 2014-03-25 Weichspüler
PCT/EP2014/055899 WO2014154654A1 (en) 2013-03-25 2014-03-25 Fabric softener

Publications (2)

Publication Number Publication Date
EP2978833A1 EP2978833A1 (de) 2016-02-03
EP2978833B1 true EP2978833B1 (de) 2021-02-17

Family

ID=54867431

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14712299.8A Active EP2978833B1 (de) 2013-03-25 2014-03-25 Weichspüler

Country Status (1)

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EP (1) EP2978833B1 (de)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0194097A1 (de) 1985-03-01 1986-09-10 The Procter & Gamble Company Milder Reinigungsschaum
EP1081269A1 (de) 1998-05-20 2001-03-07 Kao Corporation Weichmacherzusammensetzung
WO2005103219A1 (de) 2004-04-21 2005-11-03 Henkel Kommanditgesellschaft Auf Aktien Textilpflegemittel
WO2005105965A1 (de) 2004-04-30 2005-11-10 Henkel Kommanditgesellschaft Auf Aktien Textilpflegemittel mit amingruppenhaltigem celluloseether
WO2007141310A1 (en) 2006-06-09 2007-12-13 Unilever Plc Fabric softener composition
WO2012078160A1 (en) 2010-12-09 2012-06-14 Colgate-Palmolive Company Liquid cleaning composition containing long-chain fatty acid

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0194097A1 (de) 1985-03-01 1986-09-10 The Procter & Gamble Company Milder Reinigungsschaum
EP1081269A1 (de) 1998-05-20 2001-03-07 Kao Corporation Weichmacherzusammensetzung
WO2005103219A1 (de) 2004-04-21 2005-11-03 Henkel Kommanditgesellschaft Auf Aktien Textilpflegemittel
WO2005105965A1 (de) 2004-04-30 2005-11-10 Henkel Kommanditgesellschaft Auf Aktien Textilpflegemittel mit amingruppenhaltigem celluloseether
WO2007141310A1 (en) 2006-06-09 2007-12-13 Unilever Plc Fabric softener composition
WO2012078160A1 (en) 2010-12-09 2012-06-14 Colgate-Palmolive Company Liquid cleaning composition containing long-chain fatty acid

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ANONYMOUS: "Cetyl betaine", SURFACTANT, 9 July 2012 (2012-07-09), pages 1 - 4, XP055864858, Retrieved from the Internet <URL:https://www.surfactant.top/en/saa/?type=detail&id=30> [retrieved on 20211123]

Also Published As

Publication number Publication date
EP2978833A1 (de) 2016-02-03

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