WO1998050511A1 - Method for preventing colours from running in textiles during washing - Google Patents
Method for preventing colours from running in textiles during washing Download PDFInfo
- Publication number
- WO1998050511A1 WO1998050511A1 PCT/EP1998/002484 EP9802484W WO9850511A1 WO 1998050511 A1 WO1998050511 A1 WO 1998050511A1 EP 9802484 W EP9802484 W EP 9802484W WO 9850511 A1 WO9850511 A1 WO 9850511A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cyclodextrin
- washing
- cyclodextrin derivatives
- rinsing liquid
- enzyme
- Prior art date
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
- 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
-
- 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
- C11D3/0021—Dye-stain or dye-transfer inhibiting 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
- C11D3/38—Products with no well-defined composition, e.g. natural products
- C11D3/386—Preparations containing enzymes, e.g. protease or amylase
- C11D3/38672—Granulated or coated enzymes
Definitions
- the invention relates to a method for inhibiting the color transfer from dyed textiles to other textiles during washing or rinsing in a washing or rinsing liquid and to an enzyme granulate suitable for incorporation in detergents and cleaning agents, which comprises enzyme and cyclodextrin, cyclodextrin derivatives and / or Washing or rinsing liquid contains cyclodextrin or cyclodextrin derivative-forming substances, a process for the preparation of the enzyme granules and the use of the enzyme granules in solid washing and cleaning agents.
- a detergent additive is known from German published patent application DE 38 03 630, which contains at least partially water-soluble polymer components based on N-vinylpyrrolidone or N-vinylimidazole or N-vinyloxazolidone in combination with water-soluble or water-insoluble cationic compounds.
- International patent application WO 91/05839 describes a method for inhibiting color transfer during the waking of textiles, in which an enzyme which has peroxidase activity or an enzyme which has suitable oxidase activity is added to the washing liquid. The enzymes release hydrogen peroxide or oxygen which the dyes detached from the textiles are oxidized into undyed compounds. This prevents the detached dyes from depositing on white or light-colored textiles
- compositions described in international patent application WO 93/15174 also contain an enzymatic system which can develop hydrogen peroxide and a polymer, such as alkoxy, hydroxyl, thiol, amide, heterocyclic amine-containing polymers, polyamines, polyurethanes or polyacrylonites
- a polymer such as alkoxy, hydroxyl, thiol, amide, heterocyclic amine-containing polymers, polyamines, polyurethanes or polyacrylonites
- the composition described in international patent application WO 93/15175 contains an enzymatic system which forms hydrogen peroxide and a compound which prevents the enzymatic oxidation. This compound is oxidized faster than the enzyme but more slowly than the dye detached from the tissue , which can increase the stability of the enzymes. Examples of suitable compounds are tertiary amines and polyamines.
- the composition described in international patent application WO 94/1 1477 contains polyamine-N-oxide-containing polymers and an effective amount of bleach.
- the composition described in international patent application WO 94/25555 also contains an effective amount of bleaching agent and a lipolytic enzyme which does not contain any metheonin in its amino acid sequence.
- compositions described in the aforementioned patent applications take advantage of the fact that dye detached from the tissue is oxidized to a colorless compound by hydrogen peroxide. This oxidation process can be catalyzed by the metal catalysts mentioned. The color-inhibiting effect is increased by adding complexing agents.
- the present invention was accordingly based on the object of providing a method for inhibiting the color transfer from dyed textiles to other textiles during washing or rinsing in a washing or rinsing liquid To make available which uses compounds or combinations of compounds that are easily biodegradable and inexpensive to produce. Another object of the present invention was to find a form suitable for these substances, in which they can be used in detergents and cleaning agents.
- the present invention accordingly relates to a process for inhibiting the color transfer from dyed textiles to other textiles during washing or rinsing in a washing or rinsing liquid, which is characterized in that the washing or rinsing liquid contains cyclodextrin, cyclodextrin derivatives or in the washing or Rinsing liquid cyclodextrin or substances forming cyclodextrin derivatives are added.
- Cyclodextrins also called cycloglucans, can be formed when starch is broken down by Bacillus macerans or Bacillus circulans under the action of cyclodextrin glycosyl transferase.
- the cyclodextrins usually consist of 6, 7 or 8 ⁇ -1, 4-linked glucose units.
- the use of cyclodextrins or their derivatives as active cleaning components is described, for example, in international patent application WO 94/10280.
- All cyclodextrin monomers for example ⁇ -, ⁇ - or ⁇ -cyclodextrin
- All cyclodextrin derivatives such as, for example, cyclodextrin carbonates, ethers or polyethers, or cyclodextrin derivatives in which one or more of the hydroxyl groups are substituted by functional radicals, are likewise suitable.
- Such functional residues include, for example, methyl, ethyl, hydroxyethyl, hydroxypropyl or acetyl groups. Those are particularly suitable Residues through which the water solubility of the cyclodextrin is increased. Any mixtures of cyclodextrin and / or cyclodextine derivatives can also be used
- Substances which form cyclodextrin or cyclodextin derivatives in situ in the washing or rinsing liquid can be named those substances which form cyclodextrins in the presence of cyclodextyl glycosyltransferase.
- Amylose is one such substance.
- a combination of cyclodextylglycosyltransferase and amylose has proven to be particularly advantageous since amylose is cheap and ecologically safe substance
- the cyclodextrins, cyclodextin derivatives or the substances forming these compounds can be present in an amount of 0.1 to 5.0% by weight, preferably 0.5 to 2.0% by weight, based on the amount of the textiles to be cleaned or rinsed. added to the washing or rinsing liquid
- the substances can be added at any time in the washing or rinsing process, for example at the beginning or during the process
- the substances used according to the invention can be added in any form suitable for the washing or spinning process. They are preferably added in the form of granule compounds, that is to say together with other substances, such as enzymes.
- the use of compounds which contain several active components is advantageous for the production of detergents and cleaning agents for economic reasons
- the present invention accordingly furthermore relates to granules which are suitable for incorporation into detergents and cleaners and which contain enzyme, cyclodextrin, cyclodextin derivatives or substances which form cyclodextins or cyclodextin derivatives, inorganic and / or organic carrier material and optionally granulating auxiliaries
- Enzymes that come from the class of proteases, lipases, amylases, cellulases or their mixtures are particularly suitable Bacterial strains or fungi such as Bacillus subtilis, Bacillus licheniformis and Streptomyces griseus and Humicola insolens are enzymatic active ingredients.
- Bacterial strains or fungi such as Bacillus subtilis, Bacillus licheniformis and Streptomyces griseus and Humicola insolens are enzymatic active ingredients.
- Proteases of the subtilisin type and in particular proteases which are obtained from Bacillus lentus are preferably used.
- Enzyme mixtures for example of protease and amylase or protease and lipase or protease and cellulase or of cellulase and lipase or of protease, amylase and lipase or protease, lipase and cellulase, but in particular mixtures containing cellulase, are of particular interest.
- all organic or inorganic powdery substances which do not destroy or deactivate the enzymes to be granulated, or tolerably little, and which are stable under granulation conditions, can be used as carrier materials.
- Such substances include, for example, starch, cereal flour, cellulose powder, alkali alumosilicate, in particular zeolite, layered silicate, for example bentonite or smectite, and water-soluble inorganic or organic salts, for example alkali metal chloride, alkali metal sulfate, alkali metal carbonate or alkali metal acetate, sodium or potassium being the preferred alkali metals.
- a carrier material mixture of starch swellable in water, cereal flour and optionally cellulose powder and alkali carbonate is preferably used.
- the starch which is swellable in water is preferably corn starch, rice starch, potato starch or mixtures thereof, the use of corn starch being particularly preferred.
- Swellable starch in the enzyme granules according to the invention is preferably in amounts of 15 to 30% by weight.
- the sum of the amounts of the swellable starch and the flour is preferably not more than 80% by weight, in particular 32% by weight to 65% by weight.
- the cereal flour is in particular a product which can be produced from wheat, rye, barley or oats or a mixture of these flours, wholemeal flours being preferred.
- a wholemeal flour is understood to mean a flour that is not fully ground, which has been produced from whole, unpeeled grains or at least predominantly consists of such a product, where the rest consists of fully ground flour or starch.
- Commercial wheat flour qualities such as type 450 or type 550 are preferably used.
- the granules according to the invention can, as a further component of the carrier material, preferably 1% by weight to 50% by weight, particularly preferably 5% by weight to 25% by weight, based on the total granules, of a granule auxiliary system, the alka carboxymethyl cellulose
- additional cellulose or starch ethers such as carboxymethyl starch, methyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose and corresponding cellulose ether, gelatin, casem, tragacanth, maltodextrose, sucrose, invert sugar, glucose syrup or other water-soluble or well-dispersible in water can also be used as additional constituents of the granule auxiliary system or polymers of natural or synthetic origin are used Suitable synthetic water-soluble polymers are polyacrylates, polymethacrylates, copolymers of acrylic acid with maleic acid or compounds containing vinyl groups, furthermore polyvinyl alcohol, partially saponified polyvinyl acetate and polyvinylpyrrodone.
- the aforementioned compounds are those with free carboxyl groups, they are normally suitable in the form of their alkali salts, especially theirs Sodium salts before such additional granule auxiliaries can be contained in the enzyme granules according to the invention in amounts of up to 10% by weight, in particular from 0.5% by weight to 8% by weight.
- High molecular weight polyethylene glycols that is to say those with an average molecular weight above 1000, are indeed usable as synthetic water-soluble polymers with a dust-binding effect, but the high molecular polyethylene glycols bring about an undesirable increase in the required granulate dissolution time, so that these substances are preferred in the enzyme granules according to the invention is waived
- Another object of the invention is a process for the preparation of an enzyme granulate suitable for incorporation in detergents and cleaning agents, in which cyclodextrins, cyclodextin derivatives or the substances forming enzymes in the washing or rinsing liquid cyclodextrin or cyclodextrin derivatives, enzymes, inorganic and / or organic carrier material and optionally Auxiliaries are granulated or agglomerated in a manner known per se
- an enzyme granulate is produced by extruding a fermentation broth which has been freed from insoluble constituents, which may or may not have been microfiltered beforehand, by mixing with cyclodextrin, cyclodextin derivatives or substances which form cyclodextrin or cyclodextrin derivatives in the washing or rinsing liquid and inorganic and / or organic carrier materials Premix formed, optionally spheronization of the extrudate in a rounding machine, drying and application of an outer coating layer.
- the particles preferably have an average size from 0.1 mm to 1.4 mm, in particular from 0.5 to 0.8 mm
- cyclodextrin, cyclodextrin derivatives or substances forming cyclodextrin or cyclodextrin derivatives in the washing or rinsing liquid are uniformly mixed with enzyme and other constituents in the granules.
- the enzyme granules can be obtained by extruding an enzyme premix obtained by mixing a fermentation broth which has been freed from insoluble constituents, if appropriate beforehand by microfiltration, and inorganic and / or organic carrier material as an additive, optionally spheronizing the extrudate in a rounding machine, drying and Application of an outer coating layer, an outer coating layer of a coating system comprising at least 2% by weight of cyclodextrin, based on the coating layer, of cyclodextrin derivatives or substances forming cyclodextrin or cyclodextrin derivatives in the washing or rinsing liquid being applied in a fluidized bed of extrudate.
- the granules obtained by this process consist of a core and an outer shell, the core containing the enzyme and the outer shell cyclodextrin, cyclodextrin derivatives or substances forming cyclodextrin or cyclodextrin derivatives in the washing or rinsing liquid.
- a third possible process variant is a combination of the two processes described above.
- the enzyme granulate obtained consists of a core and an outer shell, the enzyme being in the core and cyclodextrin, cyclodextrin derivatives or substances forming cyclodextrin or cyclodextrin derivatives in the washing or rinsing liquid are contained in the core as well as in the casing.
- microfiltration is preferably a cross-flow microfiltration using porous tubes with micropores larger than 0.1 ⁇ m, flow rates of the concentrate solution of more than 2 m / s and one Pressure difference to the permeate side of less than 5 bar, as described for example in European patent application EP 200 032.
- the microfiltration permeate is then concentrated, preferably by ultrafiltration, if appropriate with subsequent vacuum evaporation.
- the concentration can, as described in the international patent application WO 92/1 1347, be carried out in such a way that only relatively low dry matter contents of preferably 5 to 50% by weight, in particular 10% to 40% by weight .-% arrived.
- the protease content at this stage of the concentrate is preferably 500,000 PU / g to 1,500,000 PU / g, in particular 600,000 PU / g to 1,000,000 PU / g.
- the concentrate is metered into a suitably previously prepared dry, powdery to granular mixture of the above additives.
- this mixture also contains cyclodextrin, cyclodextrin derivatives or substances forming cyclodextrin or cyclodextrin derivatives in the washing or rinsing liquid.
- the water content of the mixture should be selected so that it can be converted into granular particles which do not stick at room temperature when processed with stirring and striking tools, and plastically deformed and extruded when using higher pressures.
- the free-flowing premix obtained is then processed in a known manner in principle in a kneader and a connected extruder to give a plastic mass which is as homogeneous as possible, and as a result of the mechanical processing the mass is heated to temperatures between 40 ° C. and 60 ° C., especially 45 ° C. can heat up to 55 ° C.
- the material leaving the extruder is passed through a perforated disc with a subsequent knock-off knife and is thereby crushed into cylindrical particles of a defined size.
- the diameter of the bores in a perforated disk is expediently 0.7 to 1.6 mm, preferably 0.8 to 1.2 mm.
- the particles present in this form can then be dried and coated with a coating system or fed directly to their later use.
- a device which consists of a cylindrical container with stationary, fixed side walls and a friction plate which is rotatably mounted on the bottom.
- Devices of this type are known in the art under the Marumerizer® product name and are described, for example, in the German specifications DE 21 37 042 and DE 21 37 043.
- any dusty particles with a grain size of less than 0.1 mm, in particular less than 0.4 mm and any coarse particles with a grain size of more than 2 mm, in particular more than 1.6 mm can then be removed by sieving or air separation and, if necessary, returned to the manufacturing process.
- the beads are continuously or in batches, preferably using a fluidized bed drying unit, at supply air temperatures of preferably 35 ° C. to 50 ° C. and in particular at a product temperature of not more than 42 ° C. to the desired residual moisture content of, for example, 4% by weight 10 wt .-%, in particular 5 wt .-% to 8 wt .-%, based on the total granules, dried.
- cyclodextrin, cyclodextrin derivatives or substances forming cyclodextrin or cyclodextrin derivatives in the washing or rinsing liquid are optionally applied together with other suitable coating materials.
- the coating system is in the form of an aqueous solution or dispersion which preferably contains 30% by weight to 65% by weight of water and 35% by weight to 70% by weight of the coating system, the coating system in particular at least 2% by weight of cyclodextrin, cyclodextrin derivatives or substances forming cyclodextrin or cyclodextrin derivatives in the washing or rinsing liquid and pigment as a further component, are introduced into the fluidized bed of enzyme-containing cores.
- Suitable coating substances are in particular the film formers among the aforementioned water-soluble organic polymers.
- dyes or pigments can also be applied to the particles at this stage, so as to mask or mask any intrinsic color that usually results from the enzyme concentrate change.
- Titanium dioxide which is preferably introduced in an aqueous dispersion, has proven particularly useful as an inert and physiologically harmless pigment.
- the water supplied via the dispersion from the coating substances or via a polymer solution which may be present is removed again during the drying which is carried out at the same time or subsequently required again.
- the enzyme granulate according to the invention is preferably used for the production of solid, in particular particulate, detergents or cleaning agents which can be obtained by simply mixing the cyclodextrin, cyclodextrin derivatives or enzyme granules containing substances forming cyclodextrin or cyclodextrin derivatives in the washing or rinsing liquid with further powder components customary in such agents.
- the enzyme granules preferably have average grain sizes in the range from 0.1 mm to 2 mm, in particular 0.4 mm to 1.6 mm.
- Sieving or air sifting can remove any dust-like particles with a grain size of less than 0.1 mm, in particular less than 0.4 mm, as well as any coarse particles with a grain size of more than 2 mm, especially more than 1.6 mm, and possibly return them to the manufacturing process become.
- the granules according to the invention preferably contain less than 5% by weight, in particular at most 1% by weight, of particles with particle sizes outside the range from 0.2 mm to 1.6 mm.
- the enzyme preparation obtained consists of largely rounded, dust-free particles which generally have a bulk density of about 500 to 900 grams per liter, in particular 650 to 880 grams per liter. Due to the flexible drying substance content of the broths before mixing with the additives, when using protease-containing fermenter broths, their enzyme activity can reach values in the range of preferably 150,000 to 350,000 protease units per gram (PE / g), in particular 160,000 PE / g up to 300,000 PE / g.
- the granules according to the invention are distinguished by a very high storage stability, in particular at temperatures above room temperature and high humidity, as well as a quick dissolving behavior in the wash liquor.
- the granules according to the invention preferably release 100% of their enzyme activity in water at 25 ° C. within 3 minutes, in particular within 90 seconds to 2 minutes.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP54768698A JP2001523310A (en) | 1997-05-05 | 1998-04-27 | Method of preventing transfer of colorant to textile during washing |
EP98924225A EP0985018A1 (en) | 1997-05-05 | 1998-04-27 | Method for preventing colours from running in textiles during washing |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1997118978 DE19718978A1 (en) | 1997-05-05 | 1997-05-05 | Process for inhibiting color transfer in textiles during washing |
DE19718978.4 | 1997-05-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998050511A1 true WO1998050511A1 (en) | 1998-11-12 |
Family
ID=7828688
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1998/002484 WO1998050511A1 (en) | 1997-05-05 | 1998-04-27 | Method for preventing colours from running in textiles during washing |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0985018A1 (en) |
JP (1) | JP2001523310A (en) |
DE (1) | DE19718978A1 (en) |
WO (1) | WO1998050511A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010065451A1 (en) * | 2008-12-01 | 2010-06-10 | Danisco Us Inc. | Methods of removing oily stains from fabrics |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU6790600A (en) | 1999-09-03 | 2001-04-10 | Procter & Gamble Company, The | Detergent composition having granular cyclodextrin |
JP6666635B2 (en) * | 2016-03-29 | 2020-03-18 | 株式会社川島織物セルコン | Oil removal method |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0234693A (en) * | 1988-07-22 | 1990-02-05 | Kao Corp | Powdery detergent composition for clothing |
DE4041752A1 (en) * | 1990-12-24 | 1992-06-25 | Henkel Kgaa | ENZYME PREPARATION FOR WASHING AND CLEANING AGENTS |
JPH07109488A (en) * | 1993-10-08 | 1995-04-25 | Amano Pharmaceut Co Ltd | Detergent composition |
WO1996026831A1 (en) * | 1995-03-01 | 1996-09-06 | The Clorox Company | Laundry article for preventing dye carry-over and indicator therefor |
WO1996033267A1 (en) * | 1995-04-21 | 1996-10-24 | Novo Nordisk A/S | Cyclomaltodextrin glucanotransferase variants |
-
1997
- 1997-05-05 DE DE1997118978 patent/DE19718978A1/en not_active Withdrawn
-
1998
- 1998-04-27 JP JP54768698A patent/JP2001523310A/en active Pending
- 1998-04-27 EP EP98924225A patent/EP0985018A1/en not_active Withdrawn
- 1998-04-27 WO PCT/EP1998/002484 patent/WO1998050511A1/en not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0234693A (en) * | 1988-07-22 | 1990-02-05 | Kao Corp | Powdery detergent composition for clothing |
DE4041752A1 (en) * | 1990-12-24 | 1992-06-25 | Henkel Kgaa | ENZYME PREPARATION FOR WASHING AND CLEANING AGENTS |
JPH07109488A (en) * | 1993-10-08 | 1995-04-25 | Amano Pharmaceut Co Ltd | Detergent composition |
WO1996026831A1 (en) * | 1995-03-01 | 1996-09-06 | The Clorox Company | Laundry article for preventing dye carry-over and indicator therefor |
WO1996033267A1 (en) * | 1995-04-21 | 1996-10-24 | Novo Nordisk A/S | Cyclomaltodextrin glucanotransferase variants |
Non-Patent Citations (3)
Title |
---|
BUSCHMANN H J ET AL: "CYCLODEXTRINES AS LEVELLING AGENTS FOR HIGH-TEMPERATURE DYEING OF POLYESTER", TEXTIL PRAXIS INTERNATIONAL, vol. 45, no. 5, 1 May 1990 (1990-05-01), pages IX - X, XP000138282 * |
PATENT ABSTRACTS OF JAPAN vol. 014, no. 188 (C - 0710) 17 April 1990 (1990-04-17) * |
PATENT ABSTRACTS OF JAPAN vol. 095, no. 007 31 August 1995 (1995-08-31) * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010065451A1 (en) * | 2008-12-01 | 2010-06-10 | Danisco Us Inc. | Methods of removing oily stains from fabrics |
Also Published As
Publication number | Publication date |
---|---|
EP0985018A1 (en) | 2000-03-15 |
JP2001523310A (en) | 2001-11-20 |
DE19718978A1 (en) | 1998-11-12 |
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