WO2021137277A1 - 衣類の製造方法、染色生地及び薬剤 - Google Patents

衣類の製造方法、染色生地及び薬剤 Download PDF

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Publication number
WO2021137277A1
WO2021137277A1 PCT/JP2020/045252 JP2020045252W WO2021137277A1 WO 2021137277 A1 WO2021137277 A1 WO 2021137277A1 JP 2020045252 W JP2020045252 W JP 2020045252W WO 2021137277 A1 WO2021137277 A1 WO 2021137277A1
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alkanolamine
dyed
fabric
clothing
heat treatment
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PCT/JP2020/045252
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English (en)
French (fr)
Japanese (ja)
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晴樹 武田
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ユケンケミカル株式会社
株式会社サーブ
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Priority to CN202080045483.0A priority Critical patent/CN113994045A/zh
Priority to EP20908674.3A priority patent/EP3971341A4/en
Priority to US17/621,131 priority patent/US20220228314A1/en
Priority to JP2021568455A priority patent/JPWO2021137277A1/ja
Publication of WO2021137277A1 publication Critical patent/WO2021137277A1/ja

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    • 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
    • D06B11/0093—Treatments carried out during or after a regular application of treating materials, in order to get differentiated effects on the textile material
    • D06B11/0096—Treatments carried out during or after a regular application of treating materials, in order to get differentiated effects on the textile material to get a faded look
    • 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
    • D06P5/13—Fugitive dyeing or stripping dyes
    • D06P5/137—Fugitive dyeing or stripping dyes with other compounds
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M10/00—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
    • D06M10/005—Laser beam treatment
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
    • D06M13/325—Amines
    • 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
    • D06P1/64—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 low-molecular-weight organic compounds without sulfate or sulfonate groups
    • D06P1/642—Compounds containing nitrogen
    • D06P1/645—Aliphatic, araliphatic or cycloaliphatic compounds containing amino groups
    • 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
    • D06P1/67308—Hydroxylamine 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
    • D06P1/673—Inorganic compounds
    • D06P1/67333—Salts or hydroxides
    • 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
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/58—Material containing hydroxyl groups
    • D06P3/60—Natural or regenerated cellulose
    • D06P3/6025—Natural or regenerated cellulose using vat or sulfur dyes
    • 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
    • D06P5/02—After-treatment
    • D06P5/04—After-treatment with organic compounds
    • 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
    • D06P5/02—After-treatment
    • D06P5/04—After-treatment with organic compounds
    • D06P5/06—After-treatment with organic compounds containing nitrogen
    • 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
    • D06P5/13—Fugitive dyeing or stripping dyes
    • 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
    • D06P5/13—Fugitive dyeing or stripping dyes
    • D06P5/131—Fugitive dyeing or stripping dyes with acids or bases
    • 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
    • D06P5/15—Locally discharging the dyes
    • D06P5/151—Locally discharging the dyes with acids or bases
    • 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
    • D06P5/15—Locally discharging the dyes
    • D06P5/158—Locally discharging the dyes with other compounds
    • 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
    • D06P5/20—Physical treatments affecting dyeing, e.g. ultrasonic or electric
    • D06P5/2005—Treatments with alpha, beta, gamma or other rays, e.g. stimulated rays
    • 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
    • D06P5/20—Physical treatments affecting dyeing, e.g. ultrasonic or electric
    • D06P5/2066—Thermic treatments of textile materials
    • D06P5/2077—Thermic treatments of textile materials after dyeing
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06Q—DECORATING TEXTILES
    • D06Q1/00—Decorating textiles

Definitions

  • the present invention relates to a method for producing decolorized clothing, a dyed fabric and a chemical used for producing the clothing.
  • One of the dyed textile products is a textile product using denim fabric such as jeans. Jeans and the like may be preferred to have a new texture that has just been dyed, but consumers are widely fond of fabrics that have a moderate discoloration due to wearing or that have a vintage feel such as vintage jeans. However, it takes too much time to give the fabric a vintage look by actually wearing it, and since the fabric is actually damaged and the demand of consumers who do not like used clothing cannot be obtained, new clothing is new.
  • Various methods have been widely studied to give a vintage feel to fabrics and the like by pre-bleaching them.
  • decolorization methods include the stone wash method, sandpaper and grind method, sandblasting method, etc., in which the dyeing of textile products to be decolorized is blurred or scraped off by physical friction on the fabric.
  • the method of physically decolorizing textile products has a problem that it takes time and effort to remove stones and the like that have entered the fibers after decolorization.
  • the method of chemically decolorizing has a problem that it takes time and effort to process the chemical solution used.
  • any of the conventional methods has a problem that it is difficult to give a vintage feeling to a desired position of the fabric accurately and with a more natural texture.
  • a method of irradiating a portion to be decolorized with a laser (for example, Patent Document 1 below) is disclosed.
  • the indigo dye on the surface of the denim fabric is decomposed by a laser to give the fabric whiteness.
  • the present invention relates to a method for producing garments using a dyed fabric that easily produces whiteness and can be efficiently decolorized by heating such as laser irradiation, a dyed fabric used for producing garments to be decolorized, and dyeing.
  • An object of the present invention is to provide a chemical used for decoloring a fabric.
  • the present inventors have obtained a dyed fabric containing a specific chemical by heat-treating the dyed fabric by means such as a laser to prevent the fabric from being deteriorated. We found that it was possible to decolorize from the back, and completed the present invention.
  • the present invention is as follows specified by the following matters.
  • a method for producing clothing which comprises heat-treating clothing using a dyed fabric containing alkanolamine to decolorize the clothing.
  • the method for producing clothing according to (1) wherein the heat treatment temperature is 150 ° C. or higher and 200 ° C. or lower.
  • the method for producing clothing according to (1), wherein the heat treatment temperature is 160 ° C. or higher and 180 ° C. or lower.
  • the method for producing a garment of the present invention is characterized by heat-treating a garment using a dyed fabric containing an alkanolamine to decolorize the garment.
  • the term "clothing using a dyed fabric containing alkanolamine” means clothing using a dyed fabric obtained by contacting with a solution containing alkanolamine (that is, a drug containing alkanolamine; the same applies hereinafter in the present specification). , Or clothing obtained from dyed fabrics obtained by contacting with a solution containing an alkanolamine.
  • the former garment using a dyed fabric obtained by contacting with a solution containing alkanolamine means a garment containing alkanolamine in a garment made by cutting and sewing a dyed fabric containing no alkanolamine. .. Further, the garment obtained from the dyed fabric obtained by contacting with the latter solution containing alkanolamine means a garment made by cutting and sewing the dyed fabric containing alkanolamine.
  • the dyed fabric which is a textile for clothing used in the production method of the present invention, is a 10-count or higher warp yarn dyed with an indigo dye or a sulfide dye which is a natural indigo or a synthetic indigo, and an unbleached yarn which has not been dyed.
  • the fiber used for the yarn examples include cellulosic natural fibers such as cotton, cellulosic semi-synthetic fibers such as acetate, cellulosic regenerated fibers such as rayon and cupra, and blended spinning of these with synthetic fibers.
  • the type of the denim fabric is not particularly limited, and examples thereof include right hand twill (right twill), left hand twill (left twill), broken twill, dungaree, color denim, coated denim, and stretch denim.
  • the clothing used in the manufacturing method of the present invention is not particularly limited as long as it is worn by humans to partially or wholly cover the body, such as shirts, tops such as blouses, denim pants, jeans and the like. Includes bottoms and other clothing items such as bags and handbags.
  • the alkanolamine used in the production method of the present invention is not particularly limited as long as it is a compound having an alkane skeleton having a hydroxy group and an amino group in the molecule, and the amino group may have a substituent.
  • alkanolamines monoethanolamine, 1,1-dimethylethanolamine, diethanolamine, triethanolamine, N-methylethanolamine, N, N-dimethylethanolamine, N-methyldiethanolamine, 2-aminoethoxyethanol, N-aminoethylethanolamine, heptaminol, propanolamine, methanolamine, alaninol, serinol, cystinol, threoniol, prolinol, valinol, leucinol, isoleucinol, methioninol, fanylalaninol, tyrosinol, tryptophanol, auparganol, alpartol, glutami Examples thereof include nool,
  • the method of contacting alkanolamine with clothing or dyed fabric is not particularly limited, and for example, a method of immersing the clothing or the like in a solution containing alkanolamine, or a solution containing alkanolamine.
  • a method of immersing the garment or the like and further squeezing it a method of applying a solution containing alkanolamine to the garment or the like by a spray, a doctor-type coating machine or the like, a method of stirring the garment or the like in a solution containing alkanolamine, alkanol
  • examples thereof include a method of placing or passing the clothing or the like in a shower of a solution containing an amine, a method of padding the solution containing an alkanolamine to the clothing or the like, and the like.
  • the solution tank in which the clothes or the like is immersed can be vibrated by ultrasonic waves.
  • a drying step can be appropriately provided.
  • the drying temperature is not particularly limited as long as it is a temperature equal to or lower than the boiling point of the alkanolamine, but may be a temperature at which the solvent contained in the solution containing the alkanolamine can evaporate (may be lower than the boiling point of the solvent).
  • the solution containing alkanolamine may be a 100% alkanolamine solution, but a solution obtained by diluting alkanolamine with a solvent is preferable.
  • a solvent that can dissolve alkanolamine and does not damage the dyed fabric material is preferable, and specific examples thereof include water, methanol, ethanol, and ammonia water. However, water is particularly preferable.
  • the content of alkanolamine in the solution containing alkanolamine is not particularly limited as long as it is dissolved in the solvent, but the dyed fabric may contain an amount that can be decolorized by heat treatment.
  • the content of alkanolamine in the solution containing alkanolamine is preferably in the range of 0.01 to 0.3% by mass, most preferably in the range of 0.1 to 0.3% by mass.
  • Solutions containing alkanolamines usually contain high concentrations of alkanolamines and other components (pH regulators, organic acids, oxidizing agents, metal salts, surfactants, acidic substances, basic substances, thickeners, etc.). It is preferable to prepare a solution (hereinafter referred to as "high-concentration alkanolamine solution”) by diluting it with a solvent before use.
  • the content of alkanolamine in the high-concentration alkanolamine solution is preferably in the range of 1 to 15% by mass, more preferably in the range of 10 to 15% by mass.
  • the solution containing the above alkanolamine preferably contains a pH adjuster.
  • the pH adjuster is not particularly limited as long as it can adjust the pH to a predetermined pH range.
  • Specific examples of the pH adjusting agent include acetate buffer (acetic acid + sodium acetate), phosphate buffer (phosphate + sodium phosphate, sodium dihydrogen phosphate + sodium monohydrogen phosphate), and citrate buffer (citrate buffer).
  • Tris buffer phosphate buffer physiological saline
  • EDTA buffer EDTA disodium salt + sodium hydrox
  • the pH adjuster is prepared by putting 50 ml of distilled water in a glass flask, boiling for 2 minutes, and then cutting into small pieces based on the pH of the dyed fabric containing alkanolamine (based on "JIS L 1096 fabric test method for textiles and knitted fabrics”. After putting 5.0 g of the test piece (denim cloth) into the flask, plugging it and leaving it for 30 minutes, the extract was adjusted to 25 ° C ⁇ 2 ° C, and the pH of the extract was measured with a pH meter). It is preferably added to the solution containing the alkanolamine so as to be between about 6.
  • the content of the pH adjuster is not particularly limited as long as it can be adjusted within the above pH range, but is preferably in the range of 5 to 40% by mass and 10 to 25% by mass with respect to the entire high-concentration alkanolamine solution. The range is more preferred.
  • the solution containing alkanolamine further contains an organic acid.
  • the organic acid to be contained in the solution containing alkanolamine include acetic acid, propionic acid, citric acid, lactic acid, tartaric acid, malic acid and the like, and a particularly water-soluble organic acid can be preferably exemplified. ..
  • the content of the organic acid is not particularly limited, but is preferably in the range of 1 to 30% by mass, more preferably in the range of 2 to 25% by mass, and even more preferably in the range of 10 to 20% by mass in the high-concentration alkanolamine solution. preferable.
  • the solution containing alkanolamine may contain an oxidizing agent, a metal salt, a surfactant, an acidic substance, a basic substance, a thickener and the like, if necessary.
  • the oxidizing agent to be contained in the solution containing alkanolamine include oxygen-based agents such as hydrogen peroxide and sodium persulfate, hypochlorites such as sodium hypochlorite, potassium hypochlorite, and calcium hypochlorite, and the following. Examples thereof include halogen-based oxidizing agents such as hypoiodate and hypobromite.
  • Examples of the metal salt to be contained in the solution containing alkanolamine include alkali metal salts such as sodium chloride and potassium chloride, alkaline earth metal salts such as magnesium chloride and calcium chloride, and aluminum salts such as aluminum oxide, aluminum sulfate and aluminum nitrate. Can be mentioned.
  • Surfactants to be included in the solution containing alkanolamine include long-chain alkyl fatty acid salt, linear alkylbenzene sulfonate, ⁇ -sulfo fatty acid methyl ester salt, ⁇ -olefin sulfonate, dialkyl succinate, and naphthalene sulfonic acid.
  • Formaldehyde condensate, anionic surfactant such as alkyl sulfate ester salt, glycerin fatty acid ester, sorbitan fatty acid ester, sucrose fatty acid ester, polyoxyethylene alkyl ether, polyoxyethylene alkyl phenyl ether, polyoxyethylene polyoxy propylene glycol, etc.
  • Nonionic surfactants and the like can be mentioned.
  • Examples of acidic substances to be contained in a solution containing alkanolamine include inorganic acids such as phosphoric acid and sulfamic acid, and examples of basic substances include sodium silicate and caustic soda.
  • Examples of the thickener to be contained in the solution containing alkanolamine include a methylcellulose-based thickener and a methylstarch-based thickener, which are preferably used when applying a solution containing alkanolamine to a doctor-type coating machine or the like. ..
  • the clothes and the like obtained as described above are heat-treated to decolorize them.
  • the heat treatment method is not particularly limited as long as it can heat the dough containing the alkanolamine, but it is preferably heated by, for example, laser irradiation.
  • the heating temperature is preferably 150 ° C. or higher and 200 ° C. or lower, and more preferably 160 ° C. or higher and 180 ° C. or lower, which can be arbitrarily determined depending on the type of alkanolamine and the type of dyed fabric.
  • the method of irradiating the laser beam is not particularly limited, but usually, a method of irradiating the surface of the dyed fabric with the laser beam by scanning the narrowed beam can be mentioned.
  • the method of scanning the laser beam is not particularly limited, but a method of fixing the irradiated object and scanning the laser beam two-dimensionally, or a method of moving the irradiated object and operating it one-dimensionally in the direction of intersection with the irradiated object.
  • the laser irradiation time and number of times are not particularly limited, but for example, irradiation for 0.1 seconds or more and 5 minutes or less may be performed once or a plurality of times.
  • the wavelength of the laser light is not particularly limited, but it is preferably light having a wavelength that is absorbed by the dye.
  • the type of laser is not particularly limited, and any of a gas laser, a solid-state laser, and a semiconductor laser can be used.
  • a carbon dioxide laser which is a high-power infrared laser, is particularly preferably used.
  • the output of the laser is usually in the range of 1 to 1000 W and is selected according to the application.
  • the diameter of the laser beam irradiated to the dyed fabric is not particularly limited, but specifically, the diameter of 1 / e 2 is preferably 2 mm or less, more preferably 1.5 mm or less, and 1 mm or less. Is more preferable.
  • Example 1 17 parts by mass of citric acid anhydrous, 17 parts by mass of sodium monohydrogen phosphate, 25 parts by mass of sodium dihydrogen phosphate, and 8 parts by mass of monoethanolamine (content 90%) are dissolved in 100 parts by mass of water to treat denim dough. The solution was prepared. 99 parts by mass of water was added to 1 part by mass of the denim dough treatment liquid to prepare a denim dough treatment diluent.
  • the denim dyed denim cloth was immersed in the denim cloth treatment diluent for 5 minutes, and then the denim cloth pulled up from the solution was squeezed out with a squeezing machine and then air-dried at room temperature to dry.
  • the dried denim fabric was cut and sewn to make jeans.
  • a laser irradiation device having an irradiation temperature of about 1000 ° C.
  • the laser irradiation port was brought close to the fabric by about 1500 mm, and irradiation was performed while moving the laser at a speed of about 150 mm / sec.
  • the jeans subjected to the decolorization processing of the present invention were produced.
  • Example 2 3.5 parts by mass of citrate anhydride, 17 parts by mass of sulfamic acid, 5 parts by mass of 85% phosphoric acid, 3 parts by mass of sodium monohydrogen phosphate, 7 parts by mass of sodium dihydrogen phosphate, monoethanolamine (content 90%) Twelve parts by mass was dissolved in 52.5 parts by mass of water to prepare a denim dough treatment liquid, and jeans subjected to the same decolorization processing as in Example 1 except that the indigo-dyed denim dough was used were produced.
  • Example 3 As the dyeing fabric, jeans were subjected to the same decolorization processing as in Example 2 except that an indigo-dyed denim fabric having a color lighter than that of Example 2 was used.
  • Example 1 The same denim fabric as in Example 1 was used except that it was not treated with the above denim fabric treatment liquid. Jeans subjected to the same decolorization processing as in Example 1 except that the denim fabric was used were produced.
  • Example 2 The same denim fabric as in Example 2 was used except that it was not treated with the above denim fabric treatment liquid. Jeans subjected to the same decolorization processing as in Example 2 except that the denim fabric was used were produced.
  • Example 3 The same denim fabric as in Example 3 was used except that it was not treated with the denim fabric treatment liquid. Jeans subjected to the same decolorization processing as in Example 3 except that the denim fabric was used were produced.
  • the decolorized jeans obtained in Example 1 and Comparative Example 1 in FIGS. 1 (a) and 1 (b) were obtained in Examples 2 and 2 in FIGS. 2 (a) and 2 (b), respectively.
  • the jeans that have been decolorized are shown in FIGS. 3 (a) and 3 (b), and the jeans that have been decolorized obtained in Example 3 and Comparative Example 3 are shown. Comparing FIGS. 1 (a), (b), 2 (a), (b) and 3 (a), (b), respectively, FIGS. 1 (a), 2 (a), and 3 (a). ),
  • the jeans obtained in Examples 1, 2 and 3 are compared with the jeans obtained in Comparative Examples 1, 2 and 3 shown in FIGS. 1 (b), 2 (b) and 3 (b). Then, it was found that the decolorization of the laser-irradiated part was clear and the whiteness was high.
  • the manufacturing method of the present invention is more environmentally friendly than the conventional method, has a good working environment, and can efficiently decolorize the denim fabric, so that it can be used in the apparel industry.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Materials Engineering (AREA)
  • Coloring (AREA)
PCT/JP2020/045252 2019-12-29 2020-12-04 衣類の製造方法、染色生地及び薬剤 WO2021137277A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN202080045483.0A CN113994045A (zh) 2019-12-29 2020-12-04 服装的制造方法、染色布料和化学试剂
EP20908674.3A EP3971341A4 (en) 2019-12-29 2020-12-04 MANUFACTURING PROCESS FOR CLOTHING, DYED FABRIC AND CHEMICAL AGENT
US17/621,131 US20220228314A1 (en) 2019-12-29 2020-12-04 Production method for garment, dyed cloth, and chemical agent
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US20220228314A1 (en) 2022-07-21
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CN113994045A (zh) 2022-01-28
EP3971341A4 (en) 2023-06-21

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