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
  • 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
  • C11D17/049—Cleaning or scouring pads; Wipes
• • 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
  • C11D3/38645—Preparations containing enzymes, e.g. protease or amylase containing cellulase
• • 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
  • C11D3/40—Dyes ; Pigments

Definitions

• the present invention relates to a sheet-like structure, a coating composition for producing the sheet-like structure, a method for washing a textile material and the use of the sheet-like structure when washing a textile material.
• wipes are known from the prior art, on the surface of which washing-active substances are applied. Such wipes can be used as a substitute for powder or liquid detergent or to support the same.
• washcloths are known to which optical brighteners are applied. These optical brighteners are suitable to be adsorbed on textiles and thus to lead to a brilliant white or a bright color of the textiles.
• Cloths are also known from the prior art which are intended to counteract graying of white laundry.
• cloths are used, for example, the surface of which is cationized, for example provided with a cationic compound. Due to the surface modification mentioned, such cloths are able to intercept dyes and contaminants released during the washing process so that they cannot redeposit on the laundry.
• the object on which the present invention is based to provide a cloth for a washing process that overcomes the disadvantages of the prior art, in particular is suitable for lightening a (preferably dark) item of laundry even after a large number of washing processes to efficiently prevent and at the same time prevent the occurrence of pilling during the individual washing processes.
• a flat structure comprising: a flat carrier material; and at least one coating on at least one side of the flat carrier material; wherein the coating comprises at least one cellulase and at least one dye.
• the fabric according to the invention is added to the washing solution / clothes during the washing of a dark item of clothing in a washing machine, the dark color of an item of laundry washed in this way can be approximately maintained even after a large number of washing processes and pilling is prevented at the same time.
• the flat carrier material is a nonwoven fabric, a woven fabric, a scrim, a braid, a knitted fabric, a knitted fabric or a mixture thereof, preferably a nonwoven fabric or a woven fabric. Most preferably the carrier material is a nonwoven fabric. It can preferably be provided that the flat carrier material is white or has a light color. In this context, it can preferably be provided that the flat carrier material is made from fibers that are not colored directly by the one or more dye (s) contained in the coating.
• the flat carrier material comprises predominantly synthetic fibers.
• “predominantly” means that the flat carrier material contains the synthetic fibers in an amount of at least 50% by weight, preferably at least 60% by weight, furthermore preferably at least 70% by weight, more preferably at least 80% by weight. -%, furthermore preferably at least 90% by weight, particularly preferably at least 95% by weight, most preferably consists of the synthetic fibers.
• the synthetic fibers comprise or consist of polyethersulfone fibers, polyolefin fibers, polyamide fibers, polyester fibers, fibers of degradable polymers, viscose fibers, polylactic acid fibers or mixtures thereof, preferably consist of polyethersulfone fibers.
• the fiber diameter can in principle be in a range from approximately 1 ⁇ m to approximately 0.5 mm.
• the fibers can be produced by any known method, for example a wet spinning process.
• the flat carrier material has a weight per unit area of 10 to 500 g / m 2 , preferably 30 to 100 g / m 2 , preferably 40 to 80 g / m 2 , preferably 50 to 70 g / m 2 , particularly preferably 55 to 65 g / m 2 .
• the coating is applied to both sides of the flat carrier material or only to one side of the carrier material (in each case completely or partially). It can be provided that the coating is applied in an amount of 10 g / m 2 to 200 g / m 2 , preferably 20 g / m 2 to 100 g / m 2 , particularly preferably 30 g / m 2 to 50 g / m 2 , based on the area of the carrier material in which the planar structure is present.
• the coating further comprises at least one binder.
• the binder is selected from the group consisting of natural resins, synthetic resins and mixtures thereof.
• Suitable natural resins in this context are for example gum arabic, guar gum, gelatin, dextrins, agar agar, alginic acid, alginates, carrageenan, egg white, gellan, locust bean gum, pectin, modified cellulose, starch, modified starch, xanthan or mixtures of two or more thereof .
• Suitable synthetic resins in this context are, for example, polyesters, polyvinyl acetates, polyacrylates, polyglycols, polyvinyl alcohols, polyvinyl pyrrolidones or mixtures of two or more thereof.
• the binder is present in an amount of 1% by weight to 50% by weight, preferably 2% by weight to 10% by weight, based on the total weight of the coating.
• the binder is suitable for releasing the dye and the enzyme into an aqueous solution from a temperature of 20 ° C., preferably higher. It can also be provided that the binder is suitable for releasing the dye and the enzyme into an aqueous solution in a pH range of 3.5 to 10, preferably 6 to 10, particularly preferably 6 to 8.
• the binder is starch and / or modified starch.
• the cellulase has a pH optimum in a range from 6 to 10, preferably 6 to 8.
• the cellulase to be used in the agents according to the invention can be obtained from bacteria or fungi Be an enzyme which has a pH optimum preferably in the almost neutral to alkaline range from 6 to 10, in particular from 6 to 8 (1 percent by weight solution in distilled water). Mixtures of two or more cellulases and then in particular cellulases from different organisms can also be used in the agents according to the invention.
• a cellulase can be provided which has a molecular weight of about 20 kDa and has at least 80% of its maximum activity at 50 ° C. in the pH range from 4 to 9, with almost 50% of its maximum activity still being retained at pH 10 .
• Cellulase is preferably contained in the coating in such amounts that it has a cellulolytic activity of 3 CMC-U to 40 CMC-U, in particular from 5 CMC-U to 25 CMC-U and particularly preferably from 6 CMC-U to 20 CMC- U, based in each case on 100 g of the coating.
• the determination of the cellulolytic activity (CMCase activity) is based on that of M. Lever in Anal. Biochem. 47: 273-279 (1972) and Anal. Biochem. 1977, 81: 21-27 described procedure.
• 1 CMC-U corresponds to the amount of enzyme that produces 1 ⁇ mol glucose per minute under these conditions.
• a suitable cellulase according to the invention is, for example, the commercially available rucolase EPE 3120.
• the cellulase is preferably present in the coating in an amount of from 0.1% by weight to 1% by weight, based on the total weight of the coating.
• Azo dyes are particularly preferably used.
• Azo dyes have one or more azo bridges as chromophores.
• the at least one dye is particularly preferably black.
• black dyes which can be used with particular preference are the dyes Celasolpronounced Black OB 150% and Celasolpronounced Black VSF 600%.
• the two aforementioned black dyes are azo direct dyes.
• other azo dyes in particular dark blue, dark gray or black azo dyes, can preferably be used in the coloring product according to the invention.
• dark blue, dark gray and / or black azo dyes are used.
• the at least one dye is preferably in an amount in a range from about 5% by weight to about 30% by weight, preferably 5% by weight to about 20% by weight, particularly preferably 5% by weight to about 15% by weight, based on the total weight of the coating, in the coating.
• the coating comprises at least one further additive selected from the group consisting of an odor absorber; preferably activated carbon or zinc ricinoleate; a fragrance; a dye fixing agent; an optical brightener, preferably a cationic resin; a further enzyme, preferably an amylase, a protease, a lipase, a laccase, a pectinase or a mixture of two or more thereof; a complexing agent; a biocidal agent; an extract of natural substances; a detergent substance, preferably a surfactant; a substance that supports a washing process, preferably carboxymethyl cellulose; a substance that prevents re-soiling of textiles, a base, preferably Na 2 CO 3 ; a leveling agent such as the commercially available Sarabid DLC; and mixtures of two or more thereof.
• an odor absorber preferably activated carbon or zinc ricinoleate
• a fragrance preferably activated carbon or zinc ricinoleate
• a coating composition for a flat carrier material comprising at least one cellulase, at least one dye and preferably at least one binder.
• the object on which the invention is based is achieved by a method for washing a textile material, comprising: providing the textile material together with a planar structure according to the invention in water or (preferably) an aqueous solution; Washing of the textile material together with the fabric in the water or the aqueous solution at a temperature of at least 20 ° C. for at least 10 minutes.
• the method according to the invention is preferably carried out in a washing machine, preferably at a temperature in a range from about 20 ° C. to about 95 ° C., even more preferably at a temperature in a range from about 30 ° C. to about 65 ° C., over a Period of at least 10 minutes, preferably over a period of about 15 minutes to about 300 minutes, even more preferably over a period of about 30 minutes to about 90 minutes.
• the aqueous solution preferably also has a detergent, in particular a color detergent.
• the pH of the aqueous solution is particularly preferably in a range from about 9 to about 13.
• the textile material is preferably an item of clothing, such as a shirt, T-shirt, trousers, jacket, sweater, stocking, sock, etc. It is also preferably provided that the textile material is made of cotton, natural fibers, Polyester, polyamide or mixtures thereof is made.
• the object is achieved through the use of the planar structure according to the invention when washing a textile material, in particular for dyeing the textile material, to refresh the color of the textile material or to preserve the color of the textile material as much as possible.
• Pigment paste composition (based on 1 kg paste): Bezaprint black DW 27 g / kg Olimprint Navy RSV 13 g / kg Print thickening for pigment 0.960 kg
• a coating according to the invention was applied to the previously printed two-dimensional carrier material by means of a two-dimensional application of an ink-released coating composition of the following composition by means of a roller doctor blade system.

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• 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)
• Detergent Compositions (AREA)
• Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
• Chemical Or Physical Treatment Of Fibers (AREA)

Priority Applications (3)

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Publications (1)

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Citations (4)

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• 2019
  • 2019-09-20 EP EP19198511.8A patent/EP3795666A1/fr active Pending
• 2020
  • 2020-07-10 WO PCT/DE2020/100608 patent/WO2021052523A1/fr active Application Filing
  • 2020-07-10 DE DE112020004398.3T patent/DE112020004398A5/de active Pending

Patent Citations (4)

Non-Patent Citations (2)

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