EP3795666B1 - Structures en nappe et leur utilisation lors du lavage d'un matériau textile - Google Patents

Structures en nappe et leur utilisation lors du lavage d'un matériau textile Download PDF

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Publication number
EP3795666B1
EP3795666B1 EP19198511.8A EP19198511A EP3795666B1 EP 3795666 B1 EP3795666 B1 EP 3795666B1 EP 19198511 A EP19198511 A EP 19198511A EP 3795666 B1 EP3795666 B1 EP 3795666B1
Authority
EP
European Patent Office
Prior art keywords
sheet
sheet material
washing
material according
coating
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
EP19198511.8A
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German (de)
English (en)
Other versions
EP3795666C0 (fr
EP3795666A1 (fr
Inventor
Alfred KÜRZINGER
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.)
Delta Pronatura
Original Assignee
Delta Pronatura
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 Delta Pronatura filed Critical Delta Pronatura
Priority to EP19198511.8A priority Critical patent/EP3795666B1/fr
Priority to PCT/DE2020/100608 priority patent/WO2021052523A1/fr
Priority to DE112020004398.3T priority patent/DE112020004398A5/de
Publication of EP3795666A1 publication Critical patent/EP3795666A1/fr
Application granted granted Critical
Publication of EP3795666B1 publication Critical patent/EP3795666B1/fr
Publication of EP3795666C0 publication Critical patent/EP3795666C0/fr
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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
    • 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 fabric and a method for washing a textile material as well as the use of the fabric in washing a textile material.
  • cloths or similar sheet-like products
  • textile materials such as garments
  • Such cloths are used to achieve various positive effects during the washing process.
  • cloths with detergent substances applied to their surface are known from the prior art. Such cloths can be used as a replacement for powder or liquid ash agents or to support them.
  • washcloths are known to have optical brighteners applied to them. These optical brighteners are suitable for being adsorbed onto textiles and thus give the textiles a brilliant white or bright color.
  • Cloths are also known from the state of the art that are intended to prevent white laundry from turning grey.
  • cloths are used for this purpose whose surface is cationized, for example with a cationic compound. Due to the aforementioned surface modification, such cloths are able to catch dyes and dirt that are released during the washing process, so that they cannot be deposited on the laundry again.
  • GB 2 524 319 A discloses a laundry article comprising: (i) a water-insoluble substrate; and (ii) a dried water-soluble coating on the substrate.
  • the dried water-soluble coating comprises: (a) about 60 to about 95 wt.% of at least one surfactant; (b) about 0.5 to about 5 wt.% of at least one enzyme; (c) about 1 to about 35 wt.% of at least one binder; and (d) about 0 to about 15 wt.% residual water; the weight percentages are weight percentages of the total dried water-soluble coating.
  • DE 10 2015 119 949 A1 discloses a color-releasing product, in particular for dyeing or refreshing colorations in textile materials, preferably in a washing machine, comprising a flat carrier material, as well as a coating composition for a flat carrier material, a method for dyeing or refreshing colorations in textile materials as well as the use of the product.
  • DE 10 2014 008 586 A1 discloses a process for producing a detergent, characterized by the following steps: (a) incorporating oxygen donors and their activators into a wax matrix surrounded by an ionic polymer layer to obtain a capsule system, (b) incorporating the capsule system into a liquid detergent.
  • GB 2 258 655 A discloses aqueous, stable preparations containing both cellulase and protease and their use for the post-treatment of mixed fabrics.
  • the object underlying the present invention to provide a cloth for a washing process which overcomes the disadvantages of the prior art, is particularly suitable for efficiently preventing a (preferably dark) item of laundry from lightening even after a large number of washing processes and at the same time preventing the occurrence of pilling during the individual washing processes.
  • a sheet-like structure comprising: a sheet-like carrier material; and at least one coating on at least one side of the sheet-like carrier material; wherein the coating comprises at least one cellulase and at least one dye; and the dye is black.
  • the fabric according to the invention when added to the washing solution/clothing during the washing of a dark item of clothing in a washing machine, enables the fabric to be washed even after a large number of washing processes to maintain the dark color of a washed item of laundry and at the same time prevent pilling.
  • the flat carrier material is a nonwoven fabric, a woven fabric, a scrim, a braid, a knitted fabric, a knit 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 of fibers that are not directly colored by the one or more dyes contained in the coating.
  • the sheet-like carrier material predominantly comprises synthetic fibers.
  • “predominantly” means that the sheet-like carrier material comprises the synthetic fibers in an amount of at least 50% by weight, preferably at least 60% by weight, more preferably at least 70% by weight, more preferably at least 80% by weight, more 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 be in a range from about 1 ⁇ m to about 0.5 mm.
  • the fibers can be produced by any known method, for example a wet spinning process.
  • the sheet-like carrier material has a basis weight 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 present in the flat structure 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.
  • 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 include 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 gum or mixtures of two or more thereof.
  • Suitable synthetic resins in this context include polyesters, polyvinyl acetates, polyacrylates, polyglycols, polyvinyl alcohols, polyvinylpyrrolidones or mixtures of two or more thereof.
  • the binder is present in an amount of 1 wt.% to 50 wt.%, preferably 2 wt.% to 10 wt.%, 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 an enzyme that can be obtained from bacteria or fungi and which has a pH optimum preferably in the almost neutral to alkaline range from 6 to 10, in particular from 6 to 8 (1% by weight solution in distilled water). Mixtures of two or more cellulases, and in particular cellulases from different organisms, can also be used in the agents according to the invention.
  • a cellulase can be provided that 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 the 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 of 5 CMC-U to 25 CMC-U and particularly preferably of 6 CMC-U to 20 CMC-U, each based on 100 g of the coating.
  • the determination of the cellulolytic activity (CMCase activity) is based on the M. Lever in Anal. Biochem. 47 (1972), 273-279 and Anal. Biochem. 81 (1977), 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 the commercially available Rucolase EPE 3120.
  • the cellulase is present in the coating in an amount of from 0.1% to 1% by weight based on the total weight of the coating.
  • Azo dyes are particularly preferred.
  • Azo dyes have one or more azo bridges as a chromophore.
  • the dye is black. Examples of black dyes are the dyes Celasolpronounced Black OB 150% and Celasolpronounced Black VSF 600%. The two aforementioned black dyes are azo-direct dyes. However, other black azo dyes can also be used with preference in the coloring product according to the invention. Black azo dyes are used in particular to prevent dark-colored textiles, especially black textiles, from turning grey, or to freshen up their colors.
  • the at least one dye is present in the coating in an amount ranging from about 5% to about 30%, preferably 5% to about 20%, more preferably 5% to about 15% by weight, based on the total weight of 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 color fixative; 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 active ingredient; a natural substance extract; a washing-active substance, preferably a surfactant; a substance that supports a washing process, preferably carboxymethylcellulose; 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 ricinole
  • the object underlying the invention is achieved by a method for washing a textile material, comprising: providing the textile material together with a fabric according to the invention in water or (preferably) an aqueous solution; washing 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 carried out in a washing machine, preferably at a temperature in a range of about 20 °C to about 95 °C, even more preferably at a temperature in a range of 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 A detergent in particular a color detergent, is additionally added to the aqueous solution.
  • the pH value of the aqueous solution is particularly preferably in a range from about 9 to about 13.
  • the textile material is a piece of clothing, such as a shirt, T-shirt, trousers, jacket, sweater, stocking, socks, etc. It is also preferably provided that the textile material is made of cotton, natural fibres, polyester, polyamide or mixtures thereof.
  • the object is achieved by the use of the fabric according to the invention when washing a textile material, in particular for dyeing the textile material, for refreshing a coloration of the textile material or for maintaining a coloration of the textile material as far as possible.
  • a needle-punched nonwoven 60 g/m 2 made of polyethersulfone (flat carrier material) was first printed with a pigment paste of the composition mentioned below using a rotary printing process to cover 1 - 100% of the nonwoven surface (consumption for 1% of the surface 0.6 g/m 2 ), followed by drying and fixing.
  • 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 by surface application of a color-released coating composition of the following composition to the previously printed sheet-like carrier material using a roller doctor system.
  • a coating paste quantity of 300 g/m 2 (+/-10 wt. %) was used, based on the area of the flat carrier material to be coated. After the coating composition was doctored onto the flat carrier material, the coating was dried until a solids content of the coating on the flat carrier material of 40 g/m 2 (+/-10 wt. %) was obtained.

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

Claims (13)

  1. Matériau plat comprenant :
    - un matériau de substrat plat, et
    - au moins un revêtement sur au moins un côté du matériau de substrat plat,
    le revêtement comprenant au moins une cellulase et au moins un colorant,
    le colorant étant noir.
  2. Matériau plat selon la revendication 1, le matériau de substrat plat étant un tissu non-tissé, un tissu tissé, un complexe textile de renforcement, une tresse, un tricot à maille jetée, un tricot trame ou un mélange de ceux-ci.
  3. Matériau plat selon la revendication 1 ou 2, le matériau de substrat plat comprenant principalement des fibres synthétiques.
  4. Matériau plat selon l'une des revendications précédentes, le matériau de substrat plat ayant un grammage de 10 à 500 g/m2.
  5. Matériau plat selon l'une des revendications précédentes, le revêtement comprenant de plus au moins un agent liant.
  6. Matériau plat selon la revendication 5, l'agent liant étant choisi dans le groupe composé des résines naturelles, des résines synthétiques et de mélanges de celles-ci.
  7. Matériau plat selon l'une des revendications 5 ou 6, l'agent liant étant de l'amidon et/ou de l'amidon modifié.
  8. Matériau plat selon l'une des revendications précédentes, la cellulase ayant un pH optimal situé dans la plage de 6 à 10.
  9. Matériau plat selon l'une des revendications précédentes, le colorant étant un colorant azo.
  10. Matériau plat selon l'une des revendications précédentes, le revêtement comprenant au moins un additif supplémentaire, choisi dans le groupe composé d'un absorbeur d'odeurs, d'un parfum, d'un agent de fixation de couleur, d'un agent azurant optique, d'un enzyme supplémentaire, d'un agent complexant, d'un principe actif biocide, d'un extrait de substance naturelle, d'une substance active lavante, d'une substance soutenant un processus de nettoyage, d'une substance empêchant les textiles de se salir à nouveau, d'une base, d'un agent égalisant et de mélanges de deux ou plusieurs de ces éléments.
  11. Procédé de nettoyage d'un matériau textile, comprenant les étapes consistant à
    - mettre à disposition le matériau textile avec un matériau plat selon l'une des revendications 1 à 10 dans de l'eau ou une solution aqueuse ;
    - nettoyer le matériau textile avec le matériau plat dans l'eau ou la solution aqueuse à une température d'au moins 20 °C pendant au moins 10 minutes.
  12. Procédé selon la revendication 11, la solution aqueuse comprenant de plus au moins un agent nettoyant.
  13. Utilisation du matériau plat selon l'une des revendications 1 à 10 lors du nettoyage d'un matériau textile.
EP19198511.8A 2019-09-20 2019-09-20 Structures en nappe et leur utilisation lors du lavage d'un matériau textile Active EP3795666B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP19198511.8A EP3795666B1 (fr) 2019-09-20 2019-09-20 Structures en nappe et leur utilisation lors du lavage d'un matériau textile
PCT/DE2020/100608 WO2021052523A1 (fr) 2019-09-20 2020-07-10 Matériau plat et son utilisation lors du lavage d'un matériau textile
DE112020004398.3T DE112020004398A5 (de) 2019-09-20 2020-07-10 Flächengebilde und Verwendung derselben beim Waschen eines textilen Materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19198511.8A EP3795666B1 (fr) 2019-09-20 2019-09-20 Structures en nappe et leur utilisation lors du lavage d'un matériau textile

Publications (3)

Publication Number Publication Date
EP3795666A1 EP3795666A1 (fr) 2021-03-24
EP3795666B1 true EP3795666B1 (fr) 2024-12-04
EP3795666C0 EP3795666C0 (fr) 2024-12-04

Family

ID=67998234

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19198511.8A Active EP3795666B1 (fr) 2019-09-20 2019-09-20 Structures en nappe et leur utilisation lors du lavage d'un matériau textile

Country Status (3)

Country Link
EP (1) EP3795666B1 (fr)
DE (1) DE112020004398A5 (fr)
WO (1) WO2021052523A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008007318A2 (fr) * 2006-07-07 2008-01-17 The Procter & Gamble Company Compositions détergentes
WO2009124162A1 (fr) * 2008-04-02 2009-10-08 The Procter & Gamble Company Composition détergente renfermant un tensioactif détersif non ionique et un colorant réactif
DE102016209326A1 (de) * 2016-05-30 2017-11-30 Henkel Ag & Co. Kgaa Kombination von Textilbehandlungsmittel und Farbfangtuch

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4226162A1 (de) * 1991-08-16 1993-02-18 Sandoz Ag Stabiles enzympraeparat
EP3039108A1 (fr) * 2013-08-26 2016-07-06 Coin Consulting UG (Haftungsbeschränkt) Lingette triple phase contenant un détergent et son procédé de fabrication
GB2524319B (en) * 2014-03-21 2016-06-29 Punch Ind Laundry article
NO2719169T3 (fr) * 2014-06-17 2018-06-23
DE102015119949B4 (de) * 2015-11-18 2024-08-14 Brauns-Heitmann Gmbh & Co. Kg Verwendung eines farbabgebendes Produktes zum Färben von oder Auffrischen von Färbungen in textilen Materialien

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008007318A2 (fr) * 2006-07-07 2008-01-17 The Procter & Gamble Company Compositions détergentes
WO2009124162A1 (fr) * 2008-04-02 2009-10-08 The Procter & Gamble Company Composition détergente renfermant un tensioactif détersif non ionique et un colorant réactif
DE102016209326A1 (de) * 2016-05-30 2017-11-30 Henkel Ag & Co. Kgaa Kombination von Textilbehandlungsmittel und Farbfangtuch

Also Published As

Publication number Publication date
DE112020004398A5 (de) 2022-07-07
EP3795666C0 (fr) 2024-12-04
EP3795666A1 (fr) 2021-03-24
WO2021052523A1 (fr) 2021-03-25

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