EP1979531B1 - Procede de coloration non uniforme de produits textiles - Google Patents

Procede de coloration non uniforme de produits textiles Download PDF

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Publication number
EP1979531B1
EP1979531B1 EP07704051.7A EP07704051A EP1979531B1 EP 1979531 B1 EP1979531 B1 EP 1979531B1 EP 07704051 A EP07704051 A EP 07704051A EP 1979531 B1 EP1979531 B1 EP 1979531B1
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EP
European Patent Office
Prior art keywords
textile
textile products
granules
solution
sulphamic acid
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
EP07704051.7A
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German (de)
English (en)
Other versions
EP1979531A1 (fr
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
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Tintoria Emiliana Srl
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Application filed by Tintoria Emiliana Srl filed Critical Tintoria Emiliana Srl
Publication of EP1979531A1 publication Critical patent/EP1979531A1/fr
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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.
  • 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.
  • 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.
  • the process of the present invention enables non-uniform dyeing of textile products as set out in claim 1.
  • in relation to dyeing a resistance to dyeing by the usual dyes commonly used for colouring textiles is meant.
  • 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.
  • 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.
  • porous polymer gels in particular polyoxometallates (POMs).
  • POMs polyoxometallates
  • 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.
  • 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, is added to the sulphamic acid.
  • 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 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.
  • any bleaches and/or de-colouring agents such as sodium hypochlorite or potassium permanganate
  • 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.

Claims (15)

  1. Processus de teinture non uniforme de produits textiles, comprenant au moins les étapes suivantes :
    - agencement des produits textiles à teindre dans une chambre conjointement à une pluralité de granulés perméables et absorbants imprégnés d'une solution aqueuse d'acide sulfamique à raison d'une quantité comprise entre 1 % et 30 % en masse pour rendre le textile à teindre au moins partiellement inerte à la teinture ;
    - mise en contact des produits textiles à teindre avec les granulés, les granulés et les produits textiles étant mis en mouvement ensemble de manière relativement aléatoire, pendant une durée suffisante pour mouiller les parties de textile des produits textiles avec la solution d'acide sulfamique ; puis
    - séparation des produits textiles et des granulés ;
    - séchage des produits textiles à une température comprise entre 100 °C et 150 °C pendant une durée suffisante pour provoquer une réaction de l'acide sulfamique avec les parties de textile qui ont été mouillées par l'acide sulfamique, de manière à permettre à l'acide sulfamique de se lier aux fibres du textile pour rendre les zones de textile mouillées à l'acide sulfamique insensibles à la teinture ; et finalement
    - teinture des produits textiles.
  2. Processus selon la revendication 1, dans lequel les produits textiles à teindre sont soumis à un lavage avant d'être placés dans la chambre.
  3. Processus selon la revendication 1, dans lequel les produits textiles sont placés dans la chambre à l'état sec.
  4. Processus selon la revendication 1, dans lequel la chambre est un tambour rotatif.
  5. Processus selon la revendication 1, dans lequel les granulés sont constitués d'un polymère poreux sous forme de gel.
  6. Processus selon la revendication 5, dans lequel les granulés sont basés sur des polyoxométallates (POM).
  7. Processus selon la revendication 1, dans lequel la solution est utilisée à raison d'une quantité comprise entre 50 g et 200 g par dm3 de granulés.
  8. Processus selon la revendication 1, dans lequel la solution comprend de l'urée comme catalyseur pour la réaction entre l'acide sulfamique et la fibre.
  9. Processus selon la revendication 1, dans lequel la solution comprend un premier composé de base pour modifier l'acidité de la solution contenant l'acide.
  10. Processus selon la revendication 10, dans lequel le premier composé comprend de l'isobutanolamine.
  11. Processus selon la revendication 1, dans lequel la solution comprend un deuxième composé pour augmenter la viscosité de la solution.
  12. Processus selon la revendication 12, dans lequel le deuxième composé comprend du glycérol.
  13. Processus selon la revendication 1, dans lequel la solution comprend un troisième composé pour améliorer les qualités hydrofuges du textile par rapport à la solution.
  14. Processus selon la revendication 14, dans lequel le troisième composé comprend du caprolactame.
  15. Processus selon la revendication 1, dans lequel les granulés imprégnés avec la substance sont placés en contact avec les produits textiles pendant une durée comprise entre 10 minutes et une heure.
EP07704051.7A 2006-02-01 2007-01-22 Procede de coloration non uniforme de produits textiles Active EP1979531B1 (fr)

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 (fr) 2006-02-01 2007-01-22 Procede de coloration non uniforme de produits textiles

Publications (2)

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

Family

ID=37897297

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07704051.7A Active EP1979531B1 (fr) 2006-02-01 2007-01-22 Procede de coloration non uniforme de produits textiles

Country Status (4)

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

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

Citations (5)

* 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
GB1337702A (en) 1971-01-15 1973-11-21 Hoechst Ag Process for differentiating the dyeability of textiles for producing multi-colour effects
GB1505497A (en) 1975-05-22 1978-03-30 Iws Nominee Co Ltd Textile colouring method
WO1998045527A1 (fr) 1997-04-10 1998-10-15 Campbell, Sarah, Ann Textile a l'aspect delave
EP1722024A1 (fr) 2005-05-11 2006-11-15 ING. LORO PIANA & C.S.p.A. Procédé permettant de donner à des vêtements de fibres protéiniques, tels que laine, cachemire et soie un aspect délavé

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE10150724A1 (de) * 2001-03-03 2003-04-17 Clariant Gmbh Waschmittel und Wäschebehandlungsmittel enthaltend ein oder mehrere farbübertragungsinhibierende Farbfixiermittel

Patent Citations (5)

* 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
GB1337702A (en) 1971-01-15 1973-11-21 Hoechst Ag Process for differentiating the dyeability of textiles for producing multi-colour effects
GB1505497A (en) 1975-05-22 1978-03-30 Iws Nominee Co Ltd Textile colouring method
WO1998045527A1 (fr) 1997-04-10 1998-10-15 Campbell, Sarah, Ann Textile a l'aspect delave
EP1722024A1 (fr) 2005-05-11 2006-11-15 ING. LORO PIANA & C.S.p.A. Procédé permettant de donner à des vêtements de fibres protéiniques, tels que laine, cachemire et soie un aspect délavé

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Wool Dyeing", 1992, ELSEVIER LTD., article DAVID M LEWIS, XP055328290

Also Published As

Publication number Publication date
ES2569362T3 (es) 2016-05-10
ITRE20060011A1 (it) 2007-08-02
WO2007088115A1 (fr) 2007-08-09
EP1979531A1 (fr) 2008-10-15

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