WO2018080063A1 - Fil élastique en polyuréthane-urée ayant un allongement élevé, et procédé de fabrication de celui-ci - Google Patents

Fil élastique en polyuréthane-urée ayant un allongement élevé, et procédé de fabrication de celui-ci Download PDF

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Publication number
WO2018080063A1
WO2018080063A1 PCT/KR2017/011324 KR2017011324W WO2018080063A1 WO 2018080063 A1 WO2018080063 A1 WO 2018080063A1 KR 2017011324 W KR2017011324 W KR 2017011324W WO 2018080063 A1 WO2018080063 A1 WO 2018080063A1
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Prior art keywords
elastic yarn
mol
polyurethaneurea
elongation
polyurethane urea
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PCT/KR2017/011324
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English (en)
Korean (ko)
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이재명
기보람
강연수
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(주)효성
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Publication of WO2018080063A1 publication Critical patent/WO2018080063A1/fr

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Classifications

    • 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
    • D01D1/06—Feeding liquid to the spinning head
    • 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
    • D01D1/06—Feeding liquid to the spinning head
    • D01D1/065—Addition and mixing of substances to the spinning solution or to the melt; Homogenising
    • 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
    • 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
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/32—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic
    • 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
    • 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

Definitions

  • the present invention relates to a polyurethane urea elastic yarn and a manufacturing method thereof, and more particularly to a polyurethane urea elastic yarn having a high elongation without deterioration of thermal stability and a method for manufacturing the same.
  • Polyurethaneurea is generally a primary polymerization reactant that reacts a polyol with an excess of diisocyanate compound to obtain a prepolymer having isocyanate groups at both ends of the polyol, and the prepolymer is dissolved in a suitable solvent and then dissolved in the solution. After adding a diamine-based or diol-based chain extender and reacting a chain terminator such as monoalcohol or monoamine, etc. to form a spinning solution of polyurethaneurea fibers, polyurethaneurea elastic yarn is formed by dry and wet spinning. Get
  • polyurethaneurea elastic yarns are used in various applications because of their inherent properties with excellent elasticity and elastic recovery ability, and as the range of applications thereof is expanded, new additional properties are continuously required for existing fibers.
  • polyurethaneurea elastic yarn is used as a fabric by mixing with heat-sensitive counterparts (nylon, silk, cotton, etc.). If the yarn's elongation is low, there is a high possibility of trimming during knitting and knitting DR (Draw ratio, tensile) B) cannot be increased, resulting in a decrease in productivity. In order to solve this problem, the demand for polyurethane urea elastic yarn having a high elongation has increased, and in the meantime, efforts have been made to improve the elongation of polyurethane urea elastic yarn in the elastic yarn manufacturers.
  • the most commonly used method for improving the elongation of polyurethaneurea elastic yarn by elastic yarn manufacturers is to increase the ratio of soft segments by applying a low capping ratio during polymerization of polyol and diisocyanate, High molecular weight polyols were used to increase the chain length of the soft segments.
  • the above technique may be difficult to manage due to a significant decrease in the viscosity aging rate of the polymer, the thermal stability of the polyurethane urea elastic yarn is lowered, such as thermal embrittlement and yellowing of the fabric by a high heat treatment process for setting during fabric finishing There may be drawbacks.
  • the polyurethane urea elastic yarn formed by reacting a polyol which is a high molecular weight diol compound and an excess of a diisocyanate compound butanol is 200 to 3000 ppm or less
  • Preparing a polyurethane precursor by polymerizing the polyol and diisocyanate added thereto, and then dissolving it in a solvent to prepare a prepolymer solution. 70 to 100 mol% of ethylenediamine as a chain extender in the prepolymer, 0 to 30 mol% of 1,2-diaminopropane as an auxiliary chain extender, and diethylamine as a chain terminator.
  • the NCO% of the prepolymer is 2.30 to 3.00%.
  • the chain terminator necessarily includes diethylamine, and uses a mixture of one or more selected from the group consisting of monoethanolamine, dimethylamine, butylamine, and cyclohexylamine. It is characterized by.
  • Polyurethane urea elastic yarn of the present invention is characterized in that the elongation is more than 500%, the maximum draw ratio (Maximum Draw Ratio) is 4.8 or more, the thermal stability is 40% or more.
  • the polymerization degree (IV) immediately after the production of the polyurethaneurea elastic yarn (within one week) is maintained at 1.0 to 1.5 or less.
  • the present invention by producing a polyurethane urea elastic yarn with excellent elongation without deterioration of thermal stability, it is possible to ensure excellent knitting workability and productivity and to prevent thermal embrittlement in the fabric heat setting process.
  • the present invention is to prepare a polyurethane precursor by polymerizing a polyol and diisocyanate to which butanol is added in an amount of 200 to 3000 ppm or less to prepare a polyurethane precursor, and then dissolving it in a solvent to prepare a prepolymer solution; 70 to 100 mol% of ethylenediamine as a chain extender in the prepolymer, 0 to 30 mol% of 1,2-diaminopropane as an auxiliary chain extender, and diethylamine as a chain terminator.
  • auxiliary chain terminator is added and reacted to prepare a polyurethaneurea spinning stock solution; And spinning and winding the polyurethane urea spinning stock solution, the elongation being 500% or more, the maximum draw ratio of 4.8 or more, and the polyurethane urea characterized in that the thermal stability is 40% or more. It provides a method for producing an elastic yarn.
  • the chain extender and the chain terminator may be added all at once or divided into two or more stages.
  • Non-limiting examples of the diisocyanate used in the preparation of the polyurethaneurea elastic yarn in the present invention are 4,4'-diphenylmethane diisocyanate, 1,5'-naphthalene diisocyanate, 1,4'-phenylene diisocyanate, hexa Methylene diisocyanate, 1,4'-cyclohexane diisocyanate, 4,4'-dicyclohexyl methane diisocyanate, isophorone diisocyanate, and the like.
  • these diisocyanates 4,4'-diphenylmethane diisocyanate, etc. It may be used, it is preferable to use one or a mixture of two or more in the above enumerated group.
  • the polyols used in the present invention are polytetramethylene ether glycol, polytrimethylene ether glycol, polypropylene glycol, polycarbonate diol, copolymers of alkylene oxide and lactone monomers and poly (tetramethylene ether) glycol, 3-methyl
  • polytetramethylene ether glycol polytetramethylene ether glycol, polytrimethylene ether glycol, polypropylene glycol, polycarbonate diol, copolymers of alkylene oxide and lactone monomers and poly (tetramethylene ether) glycol, 3-methyl
  • the copolymer of tetrahydrofuran and tetrahydrofuran and the like it can be exemplified as one or a mixture of two or more thereof, but is not necessarily limited thereto.
  • the NCO% of the prepolymer is preferably in the range of 2.30 to 3.00% to properly maintain the physical properties of the polyurethane urea elastic yarn to maintain the content of the hard segment. If the NCO% of the prepolymer is less than 2.30% or more than 3.00%, a serious decrease in physical properties of the elastic yarn is caused.
  • the polyol used in the present invention is characterized in that 200 to 3000 ppm of butanol is added to the polyol.
  • the butanol in the polyol is added, it is combined with diisocyanate to form a short length polymer chain.
  • the chain of length acts as a plasticizer between existing long polymer chains, thereby improving the elongation of polyurethaneurea elastic yarn.
  • the elongation improving effect is insignificant, and when it exceeds 3000 ppm, the physical properties of the polyurethane urea elastic yarn decrease.
  • diamines are used as the chain extender, and in the present invention, 70 to 100 mol% of ethylenediamine and 0 to 30 mol% of 1,2-diaminopropane as an auxiliary chain extender. It is preferable to mix and use.
  • chain terminator of polyurethaneurea necessarily contains an amine having one functional group, for example, diethylamine, and mixes one or two or more selected from monoethanolamine, dimethylamine, butylamine, cyclohexylamine, and the like. Can be used.
  • auxiliary chain terminators listed above are not easily eliminated. Therefore, when the chain terminator and the auxiliary chain terminator are used in combination, unlike the conventional chain terminator, diethylamine, it is not easily eliminated, and the yarn IV can be lowered through post-polymerization inhibition during spinning. Therefore, the elongation of the elastic yarn can be improved.
  • the content of at least one auxiliary chain terminator selected from the above materials is preferably 0 to 50 mol% or less, and when it exceeds 50 mol%, it is difficult to form a viscosity suitable for spinning due to excessive suppression of postpolymerization and insufficient spinning processability. Can be.
  • Diethylenetriamine or triethylenetetramine may be used as the viscosity stabilizer in the second polymerization, but is not limited thereto.
  • the IV (Intrinsic viscosity) of the elastic yarn is maintained at 1.0 to 1.5 or less, the length of the polymer chain is reduced compared to the elastic yarn of more than 1.5, so that the probability of entanglement between the polymer chains is reduced. Since this becomes low, the elongation of the elastic yarn can be improved.
  • a steric hindrance phenol compound in order to prevent discoloration of the polyurethane urea and deterioration of physical properties due to ultraviolet rays, atmospheric smog, and heat treatment associated with spandex processing, a steric hindrance phenol compound, a benzofuran-one compound, and a semicarbazide Type compound, a benzo triazole type compound, a polymeric tertiary amine stabilizer, etc. can be added combining them suitably.
  • the polyurethaneurea elastic yarn of the present invention may include additives such as titanium dioxide, magnesium stearate, and the like in addition to the above components.
  • Polyurethane urea elastic yarn prepared by the manufacturing method as described above is characterized in that the elongation is more than 500%, the maximum draw ratio (Maximum Draw Ratio) is 4.8 or more, the thermal stability is 40% or more.
  • the polyurethaneurea elastic yarn prepared by the method according to a preferred embodiment of the present invention is characterized in that the IV immediately after production (within a week) maintains 1.0 to 1.5 or less.
  • the NCO% measurement method and the physical properties of the polyurethaneurea elastic yarn of the polymer mentioned in Examples and Comparative Examples to be described later were measured as follows.
  • NCO% [100 * 2 * NCO chemical formula * (capping ratio-1)] / ⁇ (diisocyanate molecular weight * capping ratio) + polyol molecular weight ⁇
  • capping ratio is the diisocyanate molar ratio / polyol molar ratio.
  • Viscosity elapsed per hour [Poise / hr] (viscosity after 72hr stirring-initial viscosity) / 72
  • the measurement is performed at load cell 32 cN, sample length 10 cm, and tensile speed 100 cm / min. At this time, the strength and elongation at break are measured, and the load 200% modulus applied at 200% elongation of elastic yarn is also measured.
  • MEL machine manufactured by Textechno
  • the elastic yarn is different depending on the type of yarn, but it is stretched to some extent to be wound on the branch pipe.
  • the winding shrinkage rate refers to the degree of change in the length of the elastic yarn that is contracted after dissolution in the state wound around the branch pipe.
  • the elastic yarn is mounted on the contact roller, a weight corresponding to the denier is placed at the zero point of the starting point, and the elastic yarn is automatically dismissed one round to measure the length of shrinkage after 10 seconds.
  • Winding Shrinkage% (Length of Equipment Rotation (Circumference of 1 Roller, 533mm)-Length of Shrink Yarn) / Length of Rotation of Equipment (Roll of Cylinder, 533mm) * 100
  • the DM measuring device consists of four rollers coated with chromium on aluminum and a central plastic (polyacetal) sensor.
  • the first roller is a feed roller that supplies the yarn, and the yarn is wound on the winder roller after the third roller after measuring the tension applied to the yarn in the sensor through the path as shown in FIG.
  • the speed ratio of the first roller and the third roller is set to 1: 3 (draft ratio 3.0) to solve for about 5 minutes, and the yarn tension value measured by the sensor is defined as the DM (dynamic modulus) value.
  • the speed of the roller is set to 50 rpm in the first, the second in the power off, the third 200 rpm, the fourth is set to 180 rpm.
  • Yarn is wound once on the first roller, the second roller just passes, eight times on the third roller, but not through the ceramic guides.
  • Max. DR 3rd roller rpm value / 1st roller rpm value without trimming
  • the yarn was stretched 100% in air (17.0 ⁇ 34.0cm) and fixed with aluminum tape in a square frame, and then dried and treated at 190 ° C for 1 minute using a mini tenter (manufactured by Daelim Starlet Co., Ltd., DL-2015). Using a water bath (manufactured by HAHN SHIN SCIENIIFIC Co., Ltd., Water bath), perform non-water treatment at 100 ° C for 30 minutes. At this time, the frame where the yarn is fixed should be sufficiently submerged in 100 water.
  • the elastic yarn is immersed in petroleum ether for 10 minutes to remove the emulsion, and dried in an oven at 90 ° C. for 20 minutes to evaporate the remaining petroleum ether. 0.4 kg of LiCL was added to 1 kg of DMAc, and completely dissolved at room temperature to prepare 0.01 M LiCL DMAc.
  • the elastic yarn from which the emulsion is removed is placed in a concentration of about 0.5% in 0.01M LiCL DMAc, stirred for about 4 hours, and dissolved in a viscous tube. After 25 ° C thermostat viscous tube is stabilized for about 20 minutes, measure the time to pass between the intervals of the predetermined interval and compare the blank value to calculate R.V. (relative viscosity) and calculate I.V. This reflects the content of minerals contained in the yarn.
  • I.V. SQRT (R.V.-2 * LN (1 + R.V. / 2)) / 0.5 * (1-% inorganic content)
  • T1 time it took for sample to pass between intervals of viscous tubes
  • T0 blank time it took for material to pass between intervals of viscous tubes
  • blank 0.01M LiCL DMAc
  • Polytetramethylene glycol containing 1200 ppm of 4,4'-diphenylmethane diisocyanate and butanol was prepared so that the NCO% was 2.75% with a capping ratio (CR) of 1.73.
  • 100 mol% of ethylenediamine was used as the chain extender, 70 mol% of diethylamine and 30 mol% of cyclohexylamine were used as the chain terminator, and the ratio of the chain extender and the chain terminator was 10: 1.
  • the amine used was prepared in a total concentration of 7 mol%, and dimethylacetamide was used as a solvent to obtain a polyurethaneurea spinning solution having a solid content of 35% by weight of the final polymer.
  • the spinning stock solution obtained as described above was dry spun at 900 m / min to prepare a polyurethane urea elastic yarn of 40 denia 3 filaments, and the physical properties thereof are shown in Table 1 below.
  • Polyurethane urea elastic yarn was prepared in the same manner as in Example 1 except that 90 mol% of ethylenediamine and 10 mol% of 1,2-propanediamine were mixed as a chain extender, and the physical properties thereof were evaluated in Table 1 below. Indicated.
  • Polyurethane urea elastic yarn was prepared in the same manner as in Example 1 except that 80 mol% of ethylenediamine and 20 mol% of 1,2-propanediamine were mixed as a chain extender, and the physical properties thereof were evaluated in Table 1 below. Indicated.
  • Example 1 Same as Example 1 except that 80 mol% of ethylenediamine and 20 mol% of 1,2-propanediamine were mixed as a chain extender, and 50 mol% of diethylamine and 50 mol% of cyclohexylamine were used as a chain terminator. It was carried out to prepare a polyurethane urea elastic yarn, it is shown in Table 1 to evaluate the physical properties.
  • Polyurethane urea elastic yarn was prepared in the same manner as in Example 1, except that 70 mol% of ethylenediamine and 30 mol% of 1,2-propanediamine were mixed as a chain extender, and the physical properties thereof are shown in Table 1 below. It was.
  • the preparation of the prepolymer was carried out in the same manner as in Example 1 except that polytetramethylene glycol containing 2400 ppm of butanol was used, and 90 mol% of ethylenediamine and 10 mol% of 1,2-propanediamine were mixed as a chain extender.
  • Polyurethane urea elastic yarn was prepared, and the physical properties thereof are shown in Table 1.
  • the polyurethaneurea elastic yarn was prepared in the same manner as in Example 1, and the physical properties thereof are shown in Table 1 below.
  • Polyurethane urea elastic yarn was prepared in the same manner as in Example 1 except that polytetramethylene glycol without butanol was used and 100 mol% of diethylamine was used as the chain terminator when preparing the prepolymer. It is shown in Table 1 to evaluate.
  • Polytetramethylene glycol without 4,4'-diphenylmethane diisocyanate and butanol was prepared with a capping ratio (CR) of 1.83 so that the NCO% was 3.10%, and 100 mol% of diethylamine was used as the chain terminator. Except that was prepared in the same manner as in Example 1 to prepare a polyurethane urea elastic yarn, the physical properties are shown in Table 1 to evaluate the properties.
  • NCO% buOH [ppm] EDA / 1,2-PDA DEA / CHA Viscosity elongation rate Strength [g / d] Elongation [%] PR [%] DM [g] Max.DR 5 th unload @ 200% [g / d] Thermal Stability [%] Yarn I.V.
  • Example 1 2.75 1200 100/0 70/30 82 1.37 538 7.8 7.5 5.21 0.029 51.5 1.34
  • Example 2 2.75 1200 90/10 70/30 74 1.42 545 7.4 7.0 5.35 0.028 50.9 1.30
  • Example 3 2.75 1200 80/20 70/30 63 1.38 552 6.8 6.4 5.41 0.027 49.5 1.28
  • Example 4 2.75 1200 80/20 50/50 46 1.25 564 6.4 6.0 5.52 0.025 40.0 1.14
  • Example 5 2.75 1200 70/30 70/30 52 1.36 556 6.7 6.2 5.43 0.024 45.1 1.27
  • Example 6 2.75 2400 90/10 70/30 48 1.12 579 6.3 5.9 5.58 0.024 41.3 1.22 Comparative Example 1 2.75 1200 100/0 100/0 95 1.18 500 14.3 9.7 4.55 0.030 51.4 1.56 Comparative Example 2 2.75 0 100/0 100/0 103 1.15 470 15.3 10.2 4.40 0.031 52.4 1.64 Compar
  • ⁇ 1,2-PDA 1,2-diaminopropane (auxiliary chain extender)
  • ⁇ CHA cyclohexylamine (auxiliary chain terminator)

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Artificial Filaments (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

La présente invention concerne un fil élastique en polyuréthane-urée ayant une excellente stabilité thermique et un allongement élevé, et un procédé de fabrication de celui-ci, et concerne un procédé de fabrication d'un fil élastique en polyuréthane-urée, comprenant les étapes suivantes : préparer un précurseur de polyuréthane par polymérisation de diisocyanate et d'un polyol contenant au plus 200-3000 ppm de butanol, puis préparer une solution de prépolymère par dissolution de celui-ci dans un solvant ; préparer une solution de filage de polyuréthane-urée en ajoutant, au prépolymère, de 70 à 100 % molaires d'éthylènediamine en tant qu'allongeur de chaîne, de 0 à 30 % molaires de 1,2-diaminopropane en tant qu'allongeur de chaîne auxiliaire, de 50 à 100 % molaires de diéthylamine en tant que terminateur de chaîne, et de 0 à 50 % molaires d'un terminateur de chaîne auxiliaire, et faire réagir ceux-ci ; et filer et enrouler la solution de filage de polyuréthane-urée, où l'allongement est d'au moins 500 %, le rapport d'étirage maximal est d'au moins 4,8, et la stabilité thermique est d'au moins 40 %. Un fil élastique en polyuréthane-urée fabriqué par le procédé présente d'excellents allongement et rapport d'étirage maximal, et permet d'améliorer la productivité pendant le tricotage rectiligne si le fil élastique est utilisé, et permet d'empêcher la dégradation thermique dans un processus de thermofixation pendant le traitement d'un tissu.
PCT/KR2017/011324 2016-10-24 2017-10-13 Fil élastique en polyuréthane-urée ayant un allongement élevé, et procédé de fabrication de celui-ci WO2018080063A1 (fr)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114293281A (zh) * 2022-01-13 2022-04-08 华峰化学股份有限公司 一种耐低温氨纶纤维及其制备方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010052482A (ko) * 1998-06-02 2001-06-25 빌프리더 하이더 폴리우레탄 우레아, 폴리우레탄 우레아 섬유 및 그의 제조방법
JP2002088571A (ja) * 2000-09-11 2002-03-27 Du Pont Toray Co Ltd ポリウレタン繊維の製造方法
KR100780434B1 (ko) * 2006-07-11 2007-11-29 태광산업주식회사 폴리우레탄우레아 탄성섬유 및 그의 제조방법
KR101396107B1 (ko) * 2012-10-26 2014-05-15 주식회사 효성 열세트성이 향상된 폴리우레탄우레아 탄성사 및 그 제조 방법
KR101395973B1 (ko) * 2012-10-26 2014-05-16 주식회사 효성 열세트성이 향상된 폴리우레탄우레아 탄성사 및 그 제조 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010052482A (ko) * 1998-06-02 2001-06-25 빌프리더 하이더 폴리우레탄 우레아, 폴리우레탄 우레아 섬유 및 그의 제조방법
JP2002088571A (ja) * 2000-09-11 2002-03-27 Du Pont Toray Co Ltd ポリウレタン繊維の製造方法
KR100780434B1 (ko) * 2006-07-11 2007-11-29 태광산업주식회사 폴리우레탄우레아 탄성섬유 및 그의 제조방법
KR101396107B1 (ko) * 2012-10-26 2014-05-15 주식회사 효성 열세트성이 향상된 폴리우레탄우레아 탄성사 및 그 제조 방법
KR101395973B1 (ko) * 2012-10-26 2014-05-16 주식회사 효성 열세트성이 향상된 폴리우레탄우레아 탄성사 및 그 제조 방법

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114293281A (zh) * 2022-01-13 2022-04-08 华峰化学股份有限公司 一种耐低温氨纶纤维及其制备方法
CN114293281B (zh) * 2022-01-13 2023-11-10 华峰化学股份有限公司 一种耐低温氨纶纤维及其制备方法

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