EP2631287A2 - Lavage avec fibres - Google Patents

Lavage avec fibres Download PDF

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Publication number
EP2631287A2
EP2631287A2 EP13156123.5A EP13156123A EP2631287A2 EP 2631287 A2 EP2631287 A2 EP 2631287A2 EP 13156123 A EP13156123 A EP 13156123A EP 2631287 A2 EP2631287 A2 EP 2631287A2
Authority
EP
European Patent Office
Prior art keywords
fibers
detergent composition
carbamate
cellulose
cellulose carbamate
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
EP13156123.5A
Other languages
German (de)
English (en)
Other versions
EP2631287A3 (fr
EP2631287B1 (fr
Inventor
Noelle Wrubbel
Helga Werner
Thomas Müller-Kirschbaum
Hans-Peter Fink
Bert Volkert
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.)
Henkel AG and Co KGaA
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Original Assignee
Henkel AG and Co KGaA
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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 Henkel AG and Co KGaA, Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV filed Critical Henkel AG and Co KGaA
Publication of EP2631287A2 publication Critical patent/EP2631287A2/fr
Publication of EP2631287A3 publication Critical patent/EP2631287A3/fr
Application granted granted Critical
Publication of EP2631287B1 publication Critical patent/EP2631287B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/22—Carbohydrates or derivatives thereof
    • C11D3/222—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
    • C11D3/227—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin with nitrogen-containing groups
    • 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
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
    • 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
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10—Objects to be cleaned
    • C11D2111/12—Soft surfaces, e.g. textile

Definitions

  • the invention relates to a process for cleaning and / or conditioning textile fabrics in which the moist fabrics to be cleaned and / or conditioned are brought into contact with a formulation comprising fibers and a detergent composition.
  • the invention also relates to a kit comprising ingredients of the formulation.
  • a washing process which comprises treating soiled laundry by contacting the laundry with a formulation comprising a plurality of polymer particles.
  • the polymer particles contain synthetic raw materials such as polyethylene, polypropylene, polyesters, polyurethanes and polyamides.
  • Cellulose carbamates are products of the reaction between cellulose and urea.
  • the two reaction partners are ecologically harmless or based on renewable resources.
  • the cellulose carbamate has a DS carbamate degree of substitution of from 0.01 to 1, preferably from 0.05 to 0.7, and most preferably from 0.1 to 0.5.
  • Fibers comprising cellulose carbamates with DS carbamate substitution degree of 0.01 to 1 have good stain removal properties. Particularly good stain removal can be achieved with fibers comprising cellulose carbamates having a degree of substitution DS carbamate of from 0.1 to 0.5.
  • the fibers comprising cellulose carbamate after completion of the washing and / or conditioning process on its surface is less colored or dirty.
  • the significantly cleaner appearance of the fibers gives the consumer less inhibition to reuse the fibers.
  • H 2 O 2 which is an inexpensive bleaching agent compared to other bleaching agents such as percarbonates or perborates, can be used in the process.
  • hydrogen peroxide is used in aqueous solution, so that the bleaching agent does not have to dissolve during the washing process. It also distributes it more evenly in the formulation.
  • the hydrogen peroxide may be incorporated separately, incorporated in the detergent composition, applied to the fibers and / or absorbed by the fibers in the process.
  • a rinse cycle is not required. This means, conversely, that some ingredients of the detergent remain on the textile fabrics.
  • the detergent composition it may be advantageous for the detergent composition to be free of enzymes.
  • the detergent composition may be applied separately, applied to the fibers and / or absorbed by the fibers in the process.
  • the fibers consist of cellulose carbamate.
  • Fibers which are formed only from cellulose carbamate, have a particularly high cleaning performance in the method according to the invention.
  • the fibers may be arranged randomly or for the fibers to be used in the form of a fleece.
  • the fibers are used in an arbitrary arrangement, for example in the form of flakes, the fibers have a high mobility and can thus come into close contact with the textile fabrics to be cleaned.
  • Nonwovens comprising cellulose carbamate-containing fibers can be applied specifically to stains which can be found on the textile fabrics.
  • the method according to the invention can be applied to a large number of textile fabrics. It can be used for example in all natural and synthetic fabric fibers, although it is particularly advantageous for textile fabrics of polyamide, polyester and cotton is applied.
  • the textile fabrics to be treated are moistened with water, in particular to improve the transport of dirt particles to the fibers.
  • moistening the fabrics also entails transport of the ingredients of the detergent composition and H 2 O 2 , if present the fibers on the textile fabrics improved.
  • the moistening of the textile surface fabrics can be carried out, for example, by wetting with water or an aqueous solution of the detergent composition.
  • the weight ratio of fibers to textile fabrics is preferably from 30: 1 to 1: 1, more preferably from 15: 1 to 1.5: 1 and particularly preferably from 8: 1 to 2: 1.
  • cellulose carbamate is formed, for example, in the reaction of cellulose with urea at elevated temperature and can be dissolved in cold dilute sodium hydroxide solution.
  • Arbitrarily arranged fibers for example in the form of flakes, have good mobility and thus close contact with the textile fabrics.
  • the fibers comprising cellulose carbamate may also be arranged in other conceivable forms such as spheres, cubes, cuboids, cones, truncated cones, pyramids or cylinders.
  • Nonwovens are textile fabrics in which the surface formation does not take place by weaving or knitting, but by entanglement of the fibers with subsequent fixation.
  • web formation is possible from short fibers, staple fibers or continuous filaments.
  • the processes known as "spunbonding" or “spunlacing" of web formation from continuous fibers have the advantage that the spinning of the fibers and the laying into nonwovens can take place in one process.
  • the nonwoven be attached to the textile fabrics to be cleaned, and more preferably to the patches located there.
  • the attachment should be such that as much as possible of the surface of the textile fabrics is in contact with the surface of the nonwoven.
  • the formulation contains a detergent composition in addition to the fibers.
  • the detergent composition contains surfactant (s) wherein anionic, nonionic, zwitterionic and / or amphoteric surfactants can be used. From an application point of view, preference is given to mixtures of anionic and nonionic surfactants.
  • the total surfactant content of a liquid detergent is preferably below 40% by weight and more preferably below 35% by weight, based on the total, preferably liquid, detergent composition.
  • Suitable nonionic surfactants include alkoxylated fatty alcohols, alkoxylated fatty acid alkyl esters, fatty acid amides, alkoxylated fatty acid amides, polyhydroxy fatty acid amides, alkylphenol polyglycol ethers, amine oxides, alkyl polyglucosides, and mixtures thereof.
  • the nonionic surfactants used are preferably alkoxylated, advantageously ethoxylated, in particular primary, alcohols having preferably 8 to 18 carbon atoms and on average 1 to 12 moles of ethylene oxide (EO) per mole of alcohol, in which the alcohol radical can be linear or preferably methyl-branched in the 2-position or linear and methyl-branched radicals in the mixture can contain, as they are usually present in Oxoalkoholresten.
  • alcohol ethoxylates with linear radicals of alcohols of native origin having 12 to 18 carbon atoms, for example of coconut, palm, tallow or oleyl alcohol, and on average 2 to 8 EO per mole of alcohol are preferred.
  • the preferred ethoxylated alcohols include C 12-14 alcohols, for example, with 3 EO, 4 EO or 7 EO, C 9-11 -alcohol with 7 EO, C 13-15 -alcohols with 3 EO, 5 EO, 7 EO or 8 EO, C 12-18 -alcohols with 3 EO, 5 EO or 7 EO and mixtures of these, such as mixtures of C 12-14 -alcohol with 3 EO and C 12-18 -alcohol with 7 EO.
  • the degrees of ethoxylation given represent statistical means which, for a particular product, may be an integer or a fractional number.
  • Preferred alcohol ethoxylates have a narrow homolog distribution (narrow range ethoxylates, NRE).
  • fatty alcohols with more than 12 EO can also be used. Examples include tallow fatty alcohol with 14 EO, 25 EO, 30 EO or 40 EO.
  • Nonionic surfactants containing EO and PO groups together in the molecule can also be used according to the invention. Also suitable are also a mixture of a (more) branched ethoxylated fatty alcohol and an unbranched ethoxylated fatty alcohol, such as a mixture of a C 16-18 fatty alcohol with 7 EO and 2-propylheptanol with 7 EO.
  • the washing, cleaning, after-treatment or washing assistant contains a C 12-18 fatty alcohol with 7 EO or a C 13-15 oxo alcohol with 7 EO as nonionic surfactant.
  • the content of nonionic surfactants in the detergent composition is preferably 3 to 40 wt .-%, preferably 5 to 30 wt .-% and in particular 7 to 20 wt .-%, each based on the total detergent composition.
  • the detergent composition may also contain anionic surfactants.
  • the anionic surfactant used is preferably sulfonates, sulfates, soaps, alkyl phosphates, anionic silicone surfactants and mixtures thereof.
  • Suitable surfactants of the sulfonate type are preferably C 9-13 -alkylbenzenesulfonates and olefinsulfonates. Also suitable are C 12-18 alkanesulfonates and the esters of ⁇ -sulfo fatty acids (ester sulfonates), for example the ⁇ -sulfonated methyl esters of hydrogenated coconut, palm kernel or tallow fatty acids.
  • Alk (en) yl sulfates are the alkali and especially the sodium salts of Schwefelklareschester the C 12- C 18 fatty alcohols, for example coconut fatty alcohol, tallow fatty alcohol, lauryl, myristyl, cetyl or stearyl alcohol, or C 10 -C 20 oxo alcohols and those half-esters of secondary alcohols of these chain lengths are preferred. From the washing, the C 12- C 16 alkyl sulfates and C 12 -C 15 alkyl sulfates and C 14- C 15 alkyl sulfates are preferred. 2,3-alkyl sulfates are also suitable anionic surfactants.
  • EO ethylene oxide
  • Fatty alcohols with 1 to 4 EO are suitable.
  • anionic surfactants are soaps.
  • Suitable are saturated and unsaturated fatty acid soaps, such as the salts of lauric acid, myristic acid, palmitic acid, stearic acid, (hydrogenated) erucic acid and behenic acid and, in particular, soap mixtures derived from natural fatty acids, for example coconut, palm kernel, olive oil or tallow fatty acids.
  • the anionic surfactants including the soaps may be in the form of their sodium, potassium or magnesium or ammonium salts.
  • the anionic surfactants are in the form of their sodium salts.
  • Further preferred counterions for the anionic surfactants are also the protonated forms of choline, triethylamine or methylethylamine.
  • the content of a detergent composition of anionic surfactants may be from 1 to 40% by weight, preferably from 5 to 30% by weight and most preferably from 10 to 25% by weight, based in each case on the total detergent composition.
  • the detergent composition may contain other ingredients that further enhance the performance and / or aesthetics of the detergent composition.
  • preferred detergent compositions additionally contain one or more substances from the group of builders, bleaches, bleach activators, bleach catalysts, enzymes, electrolytes, non-aqueous solvents, pH adjusters, perfumes, perfume carriers, fluorescers, dyes, hydrotopes, foam inhibitors, silicone oils, Soil-release polymers, optical brighteners, grayness inhibitors, anti-shrinkage agents, crease inhibitors, dye transfer inhibitors, antimicrobial agents, germicides, fungicides, antioxidants, preservatives, corrosion inhibitors, thickeners, antistatic agents, bittering agents, ironing auxiliaries, repellents and impregnating agents and UV absorbers.
  • the detergent composition contain no ingredients capable of causing sensitization or allergies upon contact with skin. Therefore, for example, it may be preferable for the detergent composition to be free of enzymes.
  • the detergent composition itself may be solid, liquid, gel, waxy or pasty, with liquid detergents being particularly preferred due to the improved quenching properties.
  • the detergent composition may be applied separately and / or on the fibers and / or absorbed to the fibers in the process. It may be preferred that the fibers are coated with the detergent composition.
  • the use of the detergent composition on the fibers and / or the fibers absorbed in the process makes it easier for the user to carry out the process since he does not yet have to dose the detergent composition separately.
  • the formulation may contain hydrogen peroxide. Hydrogen peroxide is a cheap bleaching agent and does not leave any residue on the treated textile fabrics.
  • the hydrogen peroxide may be incorporated separately and / or in the detergent composition and / or applied to the fibers and / or absorbed by the fibers in the process. If the hydrogen peroxide is already incorporated into detergent composition or applied to the fibers and / or absorbed by the fibers used in the process, this avoids the user coming into direct contact with the hydrogen peroxide.
  • the amount of H 2 O 2 is preferably 0.5 to 10 g and more preferably 0.5 to 3 g per wash load, the wash load weighing up to 5 kg.
  • the process can be carried out in specially designed washing machines.
  • the fibers can either be introduced separately into the washing drum by the user of the method or, in an alternative embodiment, stored in a storage chamber within the washing machine and then automatically metered into the washing drum for washing.
  • the fibers may either be removed along with the cleaned fabrics after completion of the washing process or returned to the pantry for other applications.
  • a refreshing step This can be done, for example, by rinsing the fibers with a cleaning solution in order to remove adhering pigment particles and / or bleaching the dirt particles adhering in the outer layers of the fibers.
  • This refreshing step may for example be done automatically in a dedicated washing machine or separately.
  • the process can be carried out in a commercially available dryer.
  • the moist, to be cleaned textiles are placed together with the fibers and the detergent composition in an air, water and water vapor-tight bag and this is then placed sealed in a dryer. After completion of the drying program, the bag is removed and the cleaned fabrics are removed and dried.
  • the process according to the invention is preferably carried out at a temperature of less than 100.degree. Particularly preferably, the process is carried out at temperatures between 30 and 90 ° C.
  • the duration of the two processes is preferably between 15 and 240 minutes and more preferably between 20 and 90 minutes.
  • Detergent A contained 21.1% by weight of surfactants (nonionic and anionic surfactants), as well as other common ingredients of liquid detergents such as the sodium salt of citric acid, sodium metaborate, defoamers, acrylate thickeners, water-miscible solvents, optical brighteners, dyes, perfume and water. Detergent A was free of enzymes.
  • surfactants nonionic and anionic surfactants
  • other common ingredients of liquid detergents such as the sodium salt of citric acid, sodium metaborate, defoamers, acrylate thickeners, water-miscible solvents, optical brighteners, dyes, perfume and water.
  • Detergent A was free of enzymes.
  • the determination of the ability of the stain removal was carried out by determining the standard color value Y (DIN 5033). For this purpose, the Y values of the stained, untreated standard fabrics and the Y values of the stained textiles treated in one of the processes E1, V1 or V2 were determined (see Table 1). The determination was carried out at 420 nm (instrument: Datacolor Spectraflash 600, 30 mm aperture). The stain removal was evaluated by the dY value (Y value of the untreated spot minus the Y value of the treated spot).
  • Table 1 Remission: dY value Kind of stains Spot after treatment in E1 Spot after treatment in V1 Stain after treatment in V2 Mineral oil / carbon black 14 9 9 Olive oil / carbon black 16 10 10 Pigment / sebum 12 3.5 5 Pigment / oil 14 9 9 Mayonnaise / carbon black 19 13 14 Sebum / carbon black 17 11 13.5 Salad Dressing / Natural Black 18 11 10 red wine 27 22 18 Blackcurrant 33.5 25 24 Blueberry juice 25 18 14.5 Red lipstick 14.5 6 5.5
  • Example 2 The procedure was analogous to Example 1 except that the terry towels were moistened with an aqueous solution of 290.7 g of water, 1 g of H 2 O 2 (active substance) and 11.81 g of detergent A.
  • the stain removal capability was determined as described for methods E1, V1 and V2.
  • Example 2 The procedure was analogous as in Example 1, with the difference that cellulose carbamate fibers were used with different degrees of substitution DS carbamate .
  • Table 2 shows the dY values averaged over 19 soils for the various cellulose carbamate fibers.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Molecular Biology (AREA)
  • Emergency Medicine (AREA)
  • Detergent Compositions (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
EP13156123.5A 2012-02-21 2013-02-21 Lavage avec fibres Not-in-force EP2631287B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012003342A DE102012003342A1 (de) 2012-02-21 2012-02-21 Waschen mit Fasern

Publications (3)

Publication Number Publication Date
EP2631287A2 true EP2631287A2 (fr) 2013-08-28
EP2631287A3 EP2631287A3 (fr) 2014-07-02
EP2631287B1 EP2631287B1 (fr) 2016-07-27

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ID=47739153

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13156123.5A Not-in-force EP2631287B1 (fr) 2012-02-21 2013-02-21 Lavage avec fibres

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EP (1) EP2631287B1 (fr)
DE (1) DE102012003342A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015044061A1 (fr) * 2013-09-24 2015-04-02 Henkel Ag & Co. Kgaa Carbamates de cellulose utilisés comme principes actifs ayant la capacité de dissoudre les saletés

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007128962A1 (fr) 2006-04-07 2007-11-15 University Of Leeds Nouveau procédé de nettoyage

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2216467A1 (de) * 1972-04-06 1974-04-18 Basf Ag Verwendung von ionenaustauschern im waschvorgang
DE19928333C1 (de) * 1999-06-21 2000-11-16 Fraunhofer Ges Forschung Teppichreiniger auf Cellulosebasis und Verfahren zu seiner Herstellung
DE202005017129U1 (de) * 2005-10-28 2006-01-12 Ahrenshof Vermögensverwaltungs-GmbH Streufähiges Reinigungspulver zur Trockenreinigung von Teppichen und Textilien
DE102009046170A1 (de) * 2009-10-29 2011-05-05 Henkel Ag & Co. Kgaa Waschen mit Polymerkörpern

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007128962A1 (fr) 2006-04-07 2007-11-15 University Of Leeds Nouveau procédé de nettoyage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015044061A1 (fr) * 2013-09-24 2015-04-02 Henkel Ag & Co. Kgaa Carbamates de cellulose utilisés comme principes actifs ayant la capacité de dissoudre les saletés

Also Published As

Publication number Publication date
EP2631287A3 (fr) 2014-07-02
DE102012003342A1 (de) 2013-08-22
EP2631287B1 (fr) 2016-07-27

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