EP1979531A1 - Verfahren zur nichteinheitlichen färbung von textilen erzeugnissen - Google Patents

Verfahren zur nichteinheitlichen färbung von textilen erzeugnissen

Info

Publication number
EP1979531A1
EP1979531A1 EP07704051A EP07704051A EP1979531A1 EP 1979531 A1 EP1979531 A1 EP 1979531A1 EP 07704051 A EP07704051 A EP 07704051A EP 07704051 A EP07704051 A EP 07704051A EP 1979531 A1 EP1979531 A1 EP 1979531A1
Authority
EP
European Patent Office
Prior art keywords
textile
textile products
granules
substance
solution
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
EP07704051A
Other languages
English (en)
French (fr)
Other versions
EP1979531B1 (de
Inventor
Erasmo Cassinelli
Riccardo Anouchinsky
Fabio Tonelli
Stefano Lodi
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.)
Tintoria Emiliana Srl
Original Assignee
Tintoria Emiliana Srl
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=37897297&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1979531(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Tintoria Emiliana Srl filed Critical Tintoria Emiliana Srl
Publication of EP1979531A1 publication Critical patent/EP1979531A1/de
Application granted granted Critical
Publication of EP1979531B1 publication Critical patent/EP1979531B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
    • D06P5/22—Effecting variation of dye affinity on textile material by chemical means that react with the fibre
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B11/00—Treatment of selected parts of textile materials, e.g. partial dyeing
    • D06B11/0079—Local modifications of the ability of the textile material to receive the treating materials, (e.g. its dyeability)
    • D06B11/0089—Local modifications of the ability of the textile material to receive the treating materials, (e.g. its dyeability) the textile material being a surface
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/673—Inorganic compounds
    • D06P1/67316—Acids
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
    • D06P5/12—Reserving parts of the material before dyeing or printing ; Locally decreasing dye affinity by chemical means

Definitions

  • the invention relates to a process for non-uniform dyeing of textile products.
  • a process for obtaining this effect is the one known as "stone-washing".
  • This process consists in immersing the textile products in water or in a bath containing a chemical agent which decolours and/or bleaches, such as for example a hypochlorite solution, and agitating the articles together with granules or stones made of an abrasive material and having sizes of between 1 and 10 cm.
  • This process produces textile products that are discoloured or lightened in colour, with dark-light tones at the stitching areas and with uniformity of colour contrast in the remaining part of the textile product, typical of the natural wear to which the textiles are subjected during use.
  • the prior art also describes a dry decolouring process for textiles, i.e. without immersion in a water-based bath as happens in the stone-washing process.
  • This process is described in EP-A-0238779.
  • the process consists in bringing the already-dyed textile products into random contact with a granular material which is permeable, porous and highly-absorbent, such as for example pumice granules, which has been first impregnated with a de-colouring chemical agent.
  • the textile products can be in the dry or damp state when they come into contact with the porous granular material and the contact is prolonged for a time sufficient for obtaining the desired effect.
  • the aim of the present invention is to provide a process having structural and functional characteristics such as to satisfy the above-mentioned requirements and also such as to obviate the drawbacks mentioned with reference to the prior art.
  • the aim is attained by the process for non-uniform dyeing of textile products as set out in claim 1.
  • textile products refers to textiles in the form of cloth as well as already-made articles of clothing, such as trousers, jeans, jackets, jerkins, shirts, skirts, overcoats, pullovers and so on.
  • process of the present invention enables nonuniform dyeing of textile products in the following stages:
  • a chamber for example a rotating drum, together with a plurality of permeable and absorbent granules impregnated with an inertizing liquid substance for rendering the textile to be dyed at least partially inert to dyeing;
  • in relation to dyeing a resistance to dyeing by the usual dyes commonly used for colouring textiles is meant.
  • a part of dye-inert textile will not absorb the dye colour and therefore will not be coloured.
  • the parts of textile wet with the inertizer can be made totally inert to the dye, and will not colour, or can be made partially inert to the dye, and will colour more blandly than the parts of the same textile which have not come into contact with the inertizer. This enables a "modulating" of the process of the present invention according to a desired final effect, enabling zones of different intensities to be obtained in the dyed textile.
  • the textile products are subjected to a preliminary wash using water and detergent or a dry-cleaning process.
  • washed products are dried before being placed in the drum with the granules.
  • the permeable granules usable in the process of the present invention can be selected according to the absorption capacity and the resistance to strong acidity, and a subsequent release of the inertizing substance they are drenched with.
  • the permeable granules can be made using any material able to be drenched with a liquid which will have to be released when the granules are made to rotate together with the textile products in the drum.
  • the materials that can be used for making the granules are porous polymer gels, in particular polyoxometallates (POMs).
  • the size of the granules can be selected according to the desired final result; generally they are between 1 and 30 mm in size.
  • the inertizing substance used for drenching the porous granules is a sulphamic acid in water solution.
  • the quantity of sulphamic acid used is comprised between 1 % and 30% of the overall weight of the water solution with which the granules are drenched.
  • the quantity of solution used to drench the granules to be placed in the drum for treating the textile products depends on the desired final effect and on the contact time between the drenched granules and the products present in the drum, as well as the rotation velocity of the drum.
  • An example will be reported herein below.
  • a sufficient time for obtaining different dyeing intensities is considered to be between 10 minutes and one hour with a drum rotation velocity comprised between 5 and 50 rpm, the drum having a mean diameter of between 50 and 200 cm.
  • the textile products exhibit zones, arranged randomly, which are wet with the sulphamic acid released by the granules. These zones are at least partially inert to dyeing, i.e. it is not possible to die them, or they can be dyed only less intensely.
  • the sulphamic acid behaves as an inhibitor, i.e. it prevents the zones of textile wet by the acid from absorbing the colouring material.
  • the final effect after dyeing will be a varied localized intensity of colour which is more or less random.
  • the already-treated textile products in the drum are dried at a temperature comprised between 100°C and 150°C for a sufficient time to enable the sulphamic acid to bond with the fibres of the textile, preventing the subsequent dyeing thereof.
  • a temperature of 135°C for about 25 minutes.
  • the textile products can be dyed using the typical dyeing techniques and dyes of the sector, and thus not described in detail herein, obtaining textile products that are not uniformly dyed, as the dye will not take (or will take only partially) in the zones of the textile previously dampened with sulphamic acid.
  • urea can be used as a catalyst to the reaction.
  • the acidity is reduced by adding a base, for example isobutanolamine (2-amine-2methyl -1 -propanol).
  • a compound for increasing the viscosity thereof such as for example glycerol
  • the water-repellent quality of the textile can be increased, with respect to the sulphamic acid-based solution with which the granules are drenched, by adding chemical compounds which improve the water-repellent properties, such as, for example, caprolactam.
  • the process of the present invention can be used for any type of textile material either made of natural fibres (wool, silk, cotton etc) or of synthetic fibres (nylon, polyester etc).
  • the process for non- uniformly dyeing textile products of the present invention satisfies the requirements and obviates the drawbacks mentioned in the introduction to the present description with reference to the prior art.
  • the process of the invention allows an ageing effect to be obtained in textile products without the use of any bleaches and/or de-colouring agents, such as sodium hypochlorite or potassium permanganate, which inevitably attack the most delicate textile fibres, apart from having a high environmental impact as waste.
  • the process of the invention requires no further mechanical abrading action on the textile, such as the effect produced using pumice, and therefore ensures longer life in comparison with textiles treated using traditional processes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Coloring (AREA)
EP07704051.7A 2006-02-01 2007-01-22 Verfahren zur nichteinheitlichen färbung von textilen erzeugnissen Active EP1979531B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITRE20060011 ITRE20060011A1 (it) 2006-02-01 2006-02-01 Procedimento per tingere in modo non uniforme prodotti tessili
PCT/EP2007/050583 WO2007088115A1 (en) 2006-02-01 2007-01-22 A process for non-uniform dyeing of textile products

Publications (2)

Publication Number Publication Date
EP1979531A1 true EP1979531A1 (de) 2008-10-15
EP1979531B1 EP1979531B1 (de) 2016-02-24

Family

ID=37897297

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07704051.7A Active EP1979531B1 (de) 2006-02-01 2007-01-22 Verfahren zur nichteinheitlichen färbung von textilen erzeugnissen

Country Status (4)

Country Link
EP (1) EP1979531B1 (de)
ES (1) ES2569362T3 (de)
IT (1) ITRE20060011A1 (de)
WO (1) WO2007088115A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20130720A1 (it) * 2013-05-02 2014-11-03 Massimo Guarducci S R L Processo per la tintura di un capo realizzato con fibre proteiche, ad effetto denim
DE102014005819B4 (de) 2014-04-24 2016-08-04 Carl Freudenberg Kg Thermisch fixierbares Flächengebilde und Verfahren zu seiner Herstellung
CN114561819B (zh) * 2022-03-28 2024-01-30 广东溢达纺织有限公司 一种环保多色面料或者成衣及其炒色加工方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB723690A (en) 1951-07-02 1955-02-09 Sandoz Ltd Process for modifying the tinctorial properties of proteinic fibres
DE2101815A1 (de) * 1971-01-15 1972-08-03 Farbwerke Hoechst AG, vormals Meister Lucius & Brüning, 6000 Frankfurt Verfahren zur Differenzierung der Anfärbbarkeit von Textilien für die Erzeugung von Mehrfarbeneffekten
GB1505497A (en) * 1975-05-22 1978-03-30 Iws Nominee Co Ltd Textile colouring method
IT1228255B (it) * 1987-07-06 1991-06-05 Golden Trade Srl Procedimento per tingere in modo non uniforme prodotti tessili e prodotti tessili tinti cosi' ottenuti
WO1998045527A1 (en) * 1997-04-10 1998-10-15 Campbell, Sarah, Ann Textile with colorwashed aspect
DE10150724A1 (de) * 2001-03-03 2003-04-17 Clariant Gmbh Waschmittel und Wäschebehandlungsmittel enthaltend ein oder mehrere farbübertragungsinhibierende Farbfixiermittel
ITTO20050321A1 (it) 2005-05-11 2006-11-12 Loro Piana & C S P A Ing Procedimento per ottenere un effetto invecchiato o scolorito su capi in fibre proteiche quali, cachemire e seta e prodotto relativo.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2007088115A1 *

Also Published As

Publication number Publication date
WO2007088115A1 (en) 2007-08-09
ITRE20060011A1 (it) 2007-08-02
ES2569362T3 (es) 2016-05-10
EP1979531B1 (de) 2016-02-24

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