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
  • 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
  • D06P1/46—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 using compositions containing natural macromolecular substances or derivatives thereof
• • 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
  • D06P1/60—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 using compositions containing polyethers
  • D06P1/613—Polyethers without nitrogen
  • D06P1/6138—Polymerisation products of glycols, e.g. Carbowax, Pluronics

Definitions

• the subject of the present invention is new moisturizing additives which confer on textile finishing compositions the properties usually resulting from the use of urea.
• the wetting agent traditionally used in these textile finishing compositions is urea.
• This product is very polluting due to the release of nitrogen into the water and the formation of nitrates and nitrites; the large quantities of urea used in the textile industry therefore pose a serious pollution problem well known to those skilled in the art ("Ecology, Economy and Fashion in Printing with Reactive Dyes", RH EISENLOHR, (BASF) American Association of Textile Chemists and Colorists, Book of Papers, pp 270-273, October 1990).
• the object of the present invention is precisely to overcome this drawback by providing new humidifying additives which give textile finishing compositions the properties usually resulting from the use of urea, with a view to avoiding nitrogen discharges in particular. pollutants, while retaining a quality of dye, print or finish equivalent to those of previous finishing compositions comprising urea.
• the use as a wetting additive in textile finishing compositions of a water-soluble polymer of high molecular weight.
• the water-soluble polymer has a molecular weight of between 50,000 and 4,000,000.
• These polymers used as a humidifying additive are compatible with all families of dyes, such as: direct, acid, vat, sulfur, naphthols / salts and solid bases, ester of vat dyes, metaliferous complexes type 1: 1 and type 1: 2; they are also compatible with many reactive dyes of the type: vinylsulfone, monochlorotriazine, dichlorotriazine and combinations, monofluorotriazine, dispersed, etc.
• the textile finishing compositions according to the invention can therefore advantageously be used as paste printing, dye baths or primers.
• the polymers used according to the invention as humidifying additives in textile finishing compositions are advantageously packaged in the form of aqueous compositions containing from 0.01 to 0.5 g / l of said polymer or of a salt thereof , and advantageously comprises an anti-microorganism agent, such as an antimicrobial or an antifermenter.
• the humidifying additive according to the invention can be a copolymer.
• Particularly preferred are the polysaccharides, among which one can consider: chondroitin sulfate, xanthan, curdlan, dextran or pullulan.
• Crosslinked polysaccharides can also be envisaged, mention may be made, as such, of the polysaccharides described in European patent application No. 341,745.
• the invention envisages, as a specific humidifying additive conferring on textile finishing compositions the properties usually resulting from the use of urea, hyaluronic acid, its derivatives or its salts or the copolymers comprising 1 ′. hyaluronic acid .
• Hyaluronic acid is a natural glycosaminoglycan, in the form of a linear polymer of molecular weight between 50,000 and 13,000,000 comprising a series of condensates of glucorunic acid and N-acetylglucosamine, linked alternately by beta 1-3 and beta 1-4 bonds.
• Hyaluronic acid can be obtained from a wide variety of biological sources, in particular by extraction of crête-de-coq (American patent n ° 4,141,973) or by fermentation of streptococci (American patent n ° 4,780,414) or by umbilical cord extraction.
• the invention envisages, as specific humidifying additive of a non-polysaccharide nature capable of imparting to textile finishing compositions the properties usually resulting from the use of urea, polyoxyethylene comprising n units of formula: -CH2- CH2-O-, n being a whole number determined so that the molecular weight of the polymer can reach approximately 1,000,000.
• the moistening additive added to the base mixture, to impart to textile finishing compositions the properties usually resulting from the use of urea, can be in free form or in the form of acid or salt.
• the subject of the invention is also the finishing compositions consisting of a base mixture devoid of urea and at least one humidifying additive according to the invention.
• the humidifying additive of the invention is present in the textile finishing compositions in proportions thousands of times lower than the amount of urea present in the compositions of the prior art, for an equivalent quality of textile finishing .
• the yields of the compositions of the invention are therefore very superior to those of the compositions of the prior art, and in addition are non-polluting.
• the invention relates to a composition for finishing textiles constituting a printing paste, consisting of a basic mixture devoid of urea and at least one preceding humidifying additive giving said printing paste the properties usually resulting from the use of urea.
• this printing paste can comprise from 0.01 to 0.5 g / kg of at least one humidifying additive according to the invention; a preferred printing paste comprises as an additive humidifying hyaluronic acid or a salt thereof, as it is or in solution.
• Hyaluronic acid is added to the basic mixture in the form of an aqueous solution, the polymer concentration of which is between 0.1 and 20 g / l.
• a printing paste according to the invention is more particularly constituted in the following manner:
• the textile finishing composition constituting a printing paste can be used for a process of the fixed-washed type. This process consists in applying after drying, on a textile support having undergone a preparation treatment beforehand, one or successively several printing pastes.
• the preliminary preparation treatment consists in particular of desizing, scouring, possibly bleaching or dyeing; thus the printing operation can be carried out on an unbleached, bleached or dyed fabric.
• the textile support is subjected to drying, spraying, washing, possibly softening, drying and then to finishing treatments.
• the invention relates to a textile finishing composition constituting a dye bath, consisting of a base mixture devoid of urea and at least one humidifying additive according to the invention conferring in said dye bath the properties usually resulting from the use of urea.
• this dye bath comprises from 0.01 to 0.5 g / l of at least one humidifying additive according to the invention; a preferred dye bath comprises as an additive moistening hyaluronic acid or one of its salts.
• Hyaluronic acid is added to the basic mixture in the form of an aqueous solution, the polymer concentration of which is between 0.1 and 20 g / l.
• the above dye bath can be used for full bath and / or scarf dye, followed either by spray-wash, or by wind-wash, or by heat-setting:
• the dyeing operation can be carried out on an unbleached, bleached or printed fabric.
• a foulard dyeing bath according to the invention is more particularly constituted as follows:
• the invention relates to a textile finishing composition constituting a finishing bath, consisting of a basic mixture devoid of urea and at least one humidifying additive according to the invention conferring said bath primer properties usually resulting from the use of urea.
• this primer bath comprises from 0.01 to 0.5 g / l of at least one humidifying additive according to the invention; a preferred primer bath comprises as an additive humidifying hyaluronic acid or one of its salts.
• Hyaluronic acid is added to the basic mixture in the form of an aqueous solution, the polymer concentration of which is between 0.1 and 20 g / l.
• a finishing treatment is generally carried out on the textile support having undergone the preparation, bleaching, dyeing and / or printing treatments. This finishing treatment is carried out by padding, drying and condensation or heat setting on the oar.
• a primer bath according to the invention is more particularly constituted as follows:
• the salt of hyaluronic acid used in the previous examples was a sodium salt, supplied by Bio-Technology General (Israel) Ltd., Kiryat eizmann, Rehovot, Israel.
• This sodium salt of hyaluronic acid is sold by the company Bio-Technology General (Israel) Ltd. as an ingredient for the cosmetic industry.
• This sodium salt is prepared essentially as described in US Pat. No. 4,780,414 in the name of Bio-Technology General Corp., according to the purification procedure II.
• Hyaluronic acid or its salts constitutes a non-polluting humidifying additive which also makes it possible to remarkably increase the yields of the various textile finishing operations while ensuring printing or dyeing or a finish of equivalent quality to that obtained. with the compositions of the prior art comprising as a wetting agent urea.
• the invention relates more specifically to the use of an aqueous solution of hyaluronic acid or of a salt thereof as a humidifying additive for imparting to textile finishing compositions the properties usually resulting from the use of 'urea. It is then preferred that the hyaluronic acid or one of its salts has a molecular weight of between 50,000 and 4,000,000.
• an aqueous solution of hyaluronic acid or one of its salt is used at a concentration of between 0.1 g / 1 and 20 g / 1.
• This solution is used to produce ennobling compositions having a concentration of hyaluronic acid of 0.01 g / 1 and 0.5 g / 1.
• the salt of hyaluronic acid is the sodium or potassium salt.
• said solution is used as a humidifying additive in a printing paste.
• said solution is used as a humidifying additive in a dye bath.
• said solution is used as a humidifying additive in a primer bath.
• the essays. of the above finishing can be used with a wide variety of textiles, based on natural, artificial or synthetic fibers or their mixtures.
• the textile is subjected to a preliminary treatment consisting in impregnating the material of said textile with an aqueous solution of hyaluronic acid or one of its salts, then optionally, remove the excess liquid from said material.
• the excess liquid can be removed from the textile material by expressing followed by drying at a temperature between approximately 100 ° and 130 ° Celsius, allowing a residual moisture on the textile material of approximately 11%.
• a treatment before printing was carried out by the Applicant on 5,000 m of viscose fabric using an aqueous solution of a sodium salt of hyaluronic acid at a concentration of 0.02 g / 1; after padding, squeezing and drying at a temperature of 105 ° Celsius to a residual humidity of 11%, the viscose fabric was printed with a printing paste according to the invention.

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• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Coloring (AREA)

Applications Claiming Priority (3)

Publications (1)

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Family Applications (1)

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• 1991
  • 1991-04-09 FR FR9104282A patent/FR2675164B1/fr not_active Expired - Fee Related
• 1992
  • 1992-04-09 EP EP92909962A patent/EP0646197A1/de not_active Withdrawn
  • 1992-04-09 WO PCT/FR1992/000314 patent/WO1992018686A1/fr not_active Application Discontinuation
  • 1992-04-09 CA CA 2107462 patent/CA2107462A1/fr not_active Abandoned
  • 1992-04-09 JP JP4509219A patent/JPH07502788A/ja active Pending

Non-Patent Citations (1)

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