WO2019132182A1 - 염색성이 개선된 폴리우레탄우레아 탄성사 및 이의 제조방법 - Google Patents
염색성이 개선된 폴리우레탄우레아 탄성사 및 이의 제조방법 Download PDFInfo
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- WO2019132182A1 WO2019132182A1 PCT/KR2018/011269 KR2018011269W WO2019132182A1 WO 2019132182 A1 WO2019132182 A1 WO 2019132182A1 KR 2018011269 W KR2018011269 W KR 2018011269W WO 2019132182 A1 WO2019132182 A1 WO 2019132182A1
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- WIPO (PCT)
- Prior art keywords
- polyol
- polyurethane
- elastic yarn
- urea elastic
- dyeability
- Prior art date
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Classifications
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D1/00—Treatment of filament-forming or like material
- D01D1/02—Preparation of spinning solutions
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/70—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyurethanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
- C08G18/4808—Mixtures of two or more polyetherdiols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4833—Polyethers containing oxyethylene units
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4854—Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
- C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/04—Dry spinning methods
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
- D04B1/18—Other fabrics or articles characterised primarily by the use of particular thread materials elastic threads
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/04—Pigments
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/06—Dyes
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/10—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyurethanes
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/12—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyureas
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/06—Load-responsive characteristics
- D10B2401/061—Load-responsive characteristics elastic
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/14—Dyeability
Definitions
- the present invention relates to a polyurethane-urea elastic yarn having improved dyeability and a method for producing the same, and more particularly, to a polyurethane-urea elastic yarn having improved dyeability for an acidic dye and a method for producing the same.
- Polyurethane fibers having elastic properties are widely used in the textile industry. 'Spandex' fibers are used as generic terms to refer to these elastic fibers, and generally refers to synthetic fibers having a polyurethane bond content of at least 85%.
- Such a polyurethane fiber generally comprises a first polymerization reaction in which a polyol which is a high molecular weight diol compound is reacted with an excessive diisocyanate compound to obtain a prepolymer having isocyanate groups at both ends of the polyol, And then adding a diamine-based or diol-based chain extender to the solution to react.
- Polyurethane fibers can be used in combination with various other fibers such as acrylic, wool, cotton, silk, etc., depending on the application, and have been used for purposes requiring elasticity such as underwear, swimwear and stockings.
- polyurethane fibers Due to the inherent characteristics of such elasticity, polyurethane fibers are actively used for various purposes, and as the use thereof is expanded, new additional characteristics are required for existing polyurethane fibers. Up to now, many polyurethane fibers have been developed that have enhanced heat resistance and resilience, and in recent years there has been a growing demand for polyurethane fibers with high heat setting properties and polyurethane fibers with improved dyeability.
- Polyurethane fibers generally have poor dyeability.
- Common techniques for improving the dyeability of acid dyes include 1) a method of introducing tertiary nitrogen atoms into a polyurethane polymer chain (Japanese Patent Publication 62 -23097), 2) a method of introducing a salt of an organic acid or an inorganic acid and a tertiary amine into a polyurethane polymer chain (Japanese Patent Publication No. 50-17520), 3) a method of introducing a tertiary or tertiary amine at the terminal of the polyurethane polymer chain A method of introducing a quaternary nitrogen atom (Japanese Patent Publication No. 44-16386), and 4) a method of using a low-molecular diamine as a chain extender (JP-A-59-108021).
- the method 1) and the method 2) tend to become a gel during the reaction, and the method 3) has a problem that it is difficult to control the amount of nitrogen atoms introduced.
- the method 4) using a low molecular weight diamine as a chain extender can improve the dyeability but deteriorates the softness and elasticity.
- Korean Patent Laid-Open Nos. 10-2009-0118997 and 10-2005-0070652 disclose a method of dyeing a specific blue acid dye containing a maleimide polymer having a maleimide polymer, or adding a talc compound,
- a specific blue acid dye containing a maleimide polymer having a maleimide polymer or adding a talc compound
- An object of the present invention is to provide a polyurethane-urea elastic yarn improved in dyeability to an acidic dye and a process for producing the same.
- the polyurethane-urea elastic yarn improved in dyeability for a dye according to an embodiment of the present invention
- a polyol comprising a first polyol and a second polyol;
- one or more diisocyanates (c) at least one diamine chain extender;
- at least one amine chain terminator (d) at least one amine chain terminator, wherein the second polyol is polyethylene glycol, and the first polyol and the second polyol are different materials.
- the second polyol is characterized by mixing 5.0 to 20.0 mol% based on the total polyol.
- the polyurethane-urea elastic yarn has an amine terminal number of 20.0 to 45.0 meq / kg.
- a method for producing a polyurethane-urea elastic yarn with improved dyeability according to the present invention comprises:
- step (a) contacting a polyol comprising a first polyol and a second polyol with at least one diisocyanate to produce a polyurethane prepolymer; (b) adding a solvent to the prepolymer of step (a); (c) contacting the product of step (b) with at least one diamine chain extender and at least one amine chain terminator; (d) spinning the product of step (c) to prepare a polyurethane-urea elastic yarn, wherein the second polyol is polyethylene glycol, and the first polyol and the second polyol are different materials .
- the second polyol is characterized by mixing 5.0 to 20.0 mol% based on the total polyol.
- the polyurethane-urea elastic yarn has an amine terminal number of 20.0 to 45.0 meq / kg.
- the polyurethaneurea elastic yarn according to one embodiment of the present invention is characterized in that the yarn is knitted with nylon and the dyeability of the acid dye is improved.
- the hydrophilic property of the polyurethane urea elastic yarn is improved by improving the accessibility of the acid dye to the polyurethane urea elastic yarn by mixing and applying polyethylene glycol, thereby improving the dyeability of the polyurethaneurea elastic yarn to the acid dye It is also possible to expect the advantage of dyeing the color of the fabric of the polyurethane-urea elastic yarn of the present invention knitted with nylon.
- A a polyol comprising a first polyol and a second polyol; (b) one or more diisocyanates; (c) at least one diamine chain extender; And (d) at least one amine chain terminator, wherein the second polyol is polyethylene glycol, and the first polyol and the second polyol are different materials, wherein the polyol is a poly Urethane elastic yarn.
- the present invention also provides a process for preparing a polyurethane prepolymer, comprising: (a) contacting a polyol comprising a first polyol and a second polyol with at least one diisocyanate to prepare a polyurethane prepolymer; (b) adding a solvent to the prepolymer of step (a); (c) contacting the product of step (b) with at least one diamine chain extender and at least one amine chain terminator; (d) spinning the product of step (c) to produce a polyurethane-urea elastic yarn, wherein the second polyol is polyethylene glycol, and the first polyol and the second polyol are different materials And a method for producing the polyurethane-urea elastic yarn.
- the polyol comprises a first polyol and a second polyol. That is, the first polyol and the second polyol are mixed and used as a polyol, and the first polyol and the second polyol are different materials.
- the first polyol may be polytetramethylene ether glycol, polypropylene glycol, polycarbonate diol, or the like.
- the second polyol is polyethylene glycol. Since polyethylene glycol is excellent in hydrophilicity, the hydrophilic property of the polyurethane-urea elastic yarn can be improved by mixing and applying at the stage of producing the polyurethane prepolymer, thereby improving the accessibility of the acid dye to the polyurethane-urea elastic yarn, The dyeability of the polyurethane-urea elastic yarn can be improved.
- polyethylene glycol is preferably mixed in an amount of 5.0 to 20.0 mol% based on the total polyol.
- polyethylene glycol is used in an amount of less than 5.0 mol%, improvement in dyeability with respect to an acidic dye can not be expected.
- amount of polyethylene glycol is more than 20.0 mol%, serious degradation of physical properties and possibility of process application may occur.
- the diisocyanate may be 4,4'-diphenylmethane diisocyanate, hexamethylene diisocyanate, toluene diisocyanate, butylene diisocyanate, hydrogenated P, P-methylene diisocyanate, etc., Or more can be used.
- the polyol is contacted with a diisocyanate to prepare a polyurethane prepolymer, and a solvent is added thereto.
- the solvent is preferably dimethylacetamide.
- the polyurethaneurea solution is contacted with at least one chain extender and at least one chain terminator.
- Polyurethane-urea elastic yarn is produced by a fiber spinning process such as dry spinning or melt spinning of the polyurethane-urea solution, which is a manufactured product.
- the chain extender is one or more diamines.
- examples of usable diamines include hydrazine, ethylenediamine, 1,2-propanediamine, 1,3-propanediamine, 1,2-butanediamine (1,2-diaminobutane), 1,3-butanediamine Diaminobutane), 1,4-butanediamine (1,4-diaminobutane), 1,3-diamino-2,2-dimethylbutane, 4,4'-methylenebis-cyclohexylamine, 1- Amino-3,3,5-trimethyl-5-aminomethylcyclohexane, 1,6-hexanediamine, 2,2-dimethyl-1,3-diaminopropane, 2,4-diamino-1-methylcyclohexane , N-methylaminobis (3-propylamine), 2-methyl-1,5-pentanediamine, 1,5-diaminopentane, 1,4-cyclohexanediamine
- the chain terminator is at least one amine.
- usable amines include, but are not limited to, diethylamine, cyclohexylamine, n-hexylamine, and mixtures thereof.
- diethylamine is preferable.
- the polyurethane-urea elastic yarn of the present invention preferably has an amine terminal number of 20.0 to 45.0 meq / kg in the yarn.
- the amine end of the yarn serves as a segregating seat capable of bonding with the dye.
- the amine terminal number of the yarn is less than 20.0 meq / kg, the dyeing property improvement effect can not be expected due to the lack of the seamed seam.
- the amine terminal number of the yarn exceeds 45.0 meq / kg, dyeability is sufficient, but excessive storage stability of the polymer may be caused by excessive amine terminal number increase.
- the spandex fiber of the present invention may further include a pigment or dye which is a complementary color of yellow, which is a complementary color of yellow, in order to alleviate yellowish of the yarn.
- polyurethane-urea elastic yarn of the present invention may contain additives such as titanium dioxide, magnesium stearate and the like in addition to the above components.
- the polyurethane-urea elastic yarn of the present invention can be knitted together with nylon to produce a fabric, and in the case of such a knitted fabric, the dyeability of the acid dye is improved, and the coloring effect of the fabric is excellent.
- Polyethylene glycol (molecular weight: 2000) was mixed with 33.8 kg of polytetramethylene ether glycol (PTMG, molecular weight 1800) in an amount of 5.0 mol%, and then 8.8 kg of 4,4'-diphenylmethane diisocyanate was added thereto. And reacted with stirring for 120 minutes to prepare a polyurethane prepolymer having isocyanate groups at both ends thereof. After the prepolymer was cooled to room temperature, 66.1 kg of dimethylacetamide as a solvent was added to obtain a polyurethane prepolymer solution.
- PTMG polytetramethylene ether glycol
- 1.5 wt% of triethylene glycol-bis-3- (3-tertiarybutyl-4-hydroxyphenyl) propionate as an antioxidant and 1 wt% of melamine polyphosphate as a chlorine-containing agent in the polyurethane- 4% by weight of hydrotalcite (Mg4Al2 (OH) 12CO3.3H2O) coated with 0.5% by weight of titanium oxide and 0.5% by weight of titanium dioxide as an optical agent were mixed to prepare a polyurethane urea spinning solution.
- the spinning solution thus obtained was spinned at a rate of 900 m / min by dry spinning to produce a polyurethaneurea elastic yarn of 40 denier 3 filaments and an amine end number of 33 meq / kg of the yarn.
- Example 1 The procedure of Example 1 and the preparation was carried out in the same manner as in Example 1 except that polyethylene glycol was not mixed in the preparation of prepolymer, to prepare polyurethaneurea elastic yarn.
- the spandex prepared in the above Examples and Comparative Examples was dyed with an acid dye of black color, and after dyeing, the degree of dyeing (degree of darkness) was measured by the value of lightness (L *).
- the L * value which is the degree of dyeability, was measured by measuring the reflectance of the yarn using a spectrophotometer, and then calculated using the equation of the CIE Lab color difference equation.
- L * a * b * The L * value of the color difference value is a value indicating the lightness. It shows a lower L * value when dyed with the same dye.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Artificial Filaments (AREA)
- Polyurethanes Or Polyureas (AREA)
- Woven Fabrics (AREA)
- Knitting Of Fabric (AREA)
Abstract
Description
폴리에틸렌글리콜 함량 | L*값 | Modulus [g] | 방사 작업성 | |
실시예 1 | 5.0 몰% | 34 | 7.6 | 양호 |
실시예 2 | 10.0 몰% | 10 | 7.4 | 양호 |
실시예 3 | 20.0 몰% | 6 | 7.0 | 양호 |
비교예 1 | 미첨가 | 76 | 8.1 | 양호 |
비교예 2 | 4.0 몰% | 52 | 7.9 | 양호 |
비교예 3 | 21.0 몰% | 5 | 6.6 | 불량 |
Claims (8)
- (a) 제 1 폴리올 및 제 2 폴리올을 포함하는 폴리올 (b) 1종 이상의 디이소시아네이트 (c) 1종 이상의 디아민 쇄연장제 및 (d) 1종 이상의 아민 쇄종지제를 반응시킨 생성물을 포함하는 폴리우레탄우레아 탄성사이며,상기 제 2 폴리올은 폴리에틸렌글리콜이고, 제 1 폴리올과 제 2 폴리올은 서로 다른 물질인 것을 특징으로 하는 염색성이 개선된 폴리우레탄우레아 탄성사.
- 제 1 항에 있어서, 제 2 폴리올은 전체 폴리올 대비 5.0 내지 20.0몰% 혼합하는 것을 특징으로 하는 염색성이 개선된 폴리우레탄우레아 탄성사.
- 제 1 항에 있어서, 폴리우레탄우레아 탄성사의 아민 말단수가 20.0 내지 45.0 meq/kg 인 것을 특징으로 하는 염색성이 개선된 폴리우레탄우레아 탄성사.
- (a) 제 1 폴리올 및 제 2 폴리올을 포함하는 폴리올을 1종 이상의 디이소시아네이트와 접촉시켜 폴리우레탄 예비중합체를 제조하는 단계(b) 상기 (a) 단계의 예비중합체에 용매를 첨가하는 단계(c) 상기 (b) 단계의 생성물을 1종 이상의 디아민 쇄연장제 및 1종 이상의 아민 쇄종지제와 접촉시키는 단계(d) 상기 (c) 단계의 생성물을 방사하여 폴리우레탄우레아 탄성사를 제조하는 단계를 포함하고,상기 제 2 폴리올은 폴리에틸렌글리콜이고, 제 1 폴리올과 제 2 폴리올은 서로 다른 물질인 것을 특징으로 하는 염색성이 개선된 폴리우레탄우레아 탄성사의 제조방법.
- 제 4 항에 있어서, 제 2 폴리올은 전체 폴리올 대비 5.0 내지 20.0몰% 혼합하는 것을 특징으로 하는 염색성이 개선된 폴리우레탄우레아 탄성사의 제조방법.
- 제 4 항에 있어서, 폴리우레탄우레아 탄성사의 아민 말단수가 20.0 내지 45.0 meq/kg 인 것을 특징으로 하는 염색성이 개선된 폴리우레탄우레아 탄성사의 제조방법.
- 제 1 항 내지 제 3 항 중 어느 한 항의 폴리우레탄우레아 탄성사와 나일론을 편직하여 산성염료에 대한 염색성이 향상된 원단.
- 제 4 항 내지 제 6 항 중 어느 한 항의 제조방법에 의한 폴리우레탄우레아 탄성사와 나일론을 편직하여 산성 염료에 대한 염색성이 향상된 원단.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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EP18894556.2A EP3696301B1 (en) | 2017-12-27 | 2018-09-21 | Polyurethane urea elastic yarn having improved dyeability and manufacturing method therefor |
SG11202005055SA SG11202005055SA (en) | 2017-12-27 | 2018-09-21 | Polyurethane urea elastic yarn having improved dyeability and manufacturing method therefor |
BR112020013008-7A BR112020013008B1 (pt) | 2017-12-27 | 2018-09-21 | Fio elástico de poliuretano ureia, método para a fabricação do mesmo e tecido tendo capacidade de tingimento para um corante ácido por tricotar o referido fio e nylon |
US16/769,215 US11629437B2 (en) | 2017-12-27 | 2018-09-21 | Polyurethane urea elastic yarn having improved dyeability and manufacturing method therefor |
CN201880073980.4A CN111344441A (zh) | 2017-12-27 | 2018-09-21 | 具有改善的可着色性的聚氨酯脲弹性丝及其制造方法 |
JP2020536510A JP7083028B2 (ja) | 2017-12-27 | 2018-09-21 | 染色性が改善されたポリウレタンウレア弾性糸及びこの製造方法 |
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KR10-2017-0181583 | 2017-12-27 | ||
KR1020170181583A KR101959146B1 (ko) | 2017-12-27 | 2017-12-27 | 염색성이 개선된 폴리우레탄우레아 탄성사 및 이의 제조방법 |
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US (1) | US11629437B2 (ko) |
EP (1) | EP3696301B1 (ko) |
JP (1) | JP7083028B2 (ko) |
KR (1) | KR101959146B1 (ko) |
CN (1) | CN111344441A (ko) |
SG (1) | SG11202005055SA (ko) |
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Cited By (1)
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EP4190954A4 (en) * | 2020-07-27 | 2024-07-31 | Hyosung Tnc Corp | POLYURETHANE-UREA ELASTIC YARN DIEABLE WITH REACTIVE DYE AND METHOD FOR MANUFACTURING SAME |
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Also Published As
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BR112020013008A2 (pt) | 2020-11-24 |
SG11202005055SA (en) | 2020-06-29 |
US11629437B2 (en) | 2023-04-18 |
JP7083028B2 (ja) | 2022-06-09 |
CN111344441A (zh) | 2020-06-26 |
JP2021509450A (ja) | 2021-03-25 |
EP3696301A1 (en) | 2020-08-19 |
EP3696301A4 (en) | 2021-08-18 |
EP3696301B1 (en) | 2022-05-18 |
KR101959146B1 (ko) | 2019-03-15 |
US20210172090A1 (en) | 2021-06-10 |
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