WO2016047179A1 - Fibre fondue de polyester aromatique anisotrope et son procédé de fabrication - Google Patents

Fibre fondue de polyester aromatique anisotrope et son procédé de fabrication Download PDF

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Publication number
WO2016047179A1
WO2016047179A1 PCT/JP2015/060292 JP2015060292W WO2016047179A1 WO 2016047179 A1 WO2016047179 A1 WO 2016047179A1 JP 2015060292 W JP2015060292 W JP 2015060292W WO 2016047179 A1 WO2016047179 A1 WO 2016047179A1
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aromatic polyester
less
fiber
spinning
dtex
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PCT/JP2015/060292
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English (en)
Japanese (ja)
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達弥 成澤
現 西村
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Ｋｂセーレン株式会社
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Application filed by Ｋｂセーレン株式会社 filed Critical Ｋｂセーレン株式会社
Priority to CN201580011621.2A priority Critical patent/CN106062260B/zh
Priority to KR1020167024121A priority patent/KR101969558B1/ko
Priority to JP2016549971A priority patent/JP6608376B2/ja
Priority to CN201910762745.4A priority patent/CN110484992B/zh
Publication of WO2016047179A1 publication Critical patent/WO2016047179A1/fr

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    • 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
    • D01F6/62—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
    • 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
    • D01F6/78—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolycondensation products
    • D01F6/84—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolycondensation products from copolyesters

Definitions

  • the present invention relates to a fine fiber fiber (multifilament having a single yarn fineness of 4.0 dtex or less) made of a melt anisotropic aromatic polyester.
  • melt anisotropic aromatic polyester is a polymer composed of rigid molecular chains, and in melt spinning, the molecular chains can be highly oriented in the fiber axis direction.
  • melt anisotropic aromatic polyester undergoes a polymerization reaction in a solid state, the highest strength among the fibers obtained by melt spinning is obtained by heat-treating the fiber after spinning at a high temperature and solid-phase polymerization. It is known to have an elastic modulus. Because of these characteristics, melt-anisotropic aromatic polyester fibers have traditionally been used in silk woven fabrics for screen printing, sail cloths, cord reinforcements for various electrical products, protective gloves, plastic reinforcements, and optical fiber tension members. Has been.
  • melt-anisotropic aromatic polyester fibers have a low elongation at break and are therefore almost impossible to stretch after spinning. For this reason, in order to reduce the single yarn fineness, it is necessary to achieve the target single yarn fineness at the spinning stage.
  • a method for producing a melt anisotropic aromatic polyester fiber having a fine single yarn fineness for example, in Patent Document 1, a sea-island type composite fiber using a water dispersible polyester as a sea component and a melt anisotropic aromatic polyester as an island component is used.
  • a melt-anisotropic aromatic with a single yarn fineness of 0.05 to 1.0 dtex and a strength after heat treatment of 20 cN / dtex or more by wrapping around cheese and dissolving sea components in water in the form of cheese A method for obtaining a polyester fiber has been proposed.
  • Patent Document 2 in a melt spinning method in which an aromatic polyester capable of forming an anisotropic molten phase is discharged from a nozzle having a diameter of 0.1 mm or less and spun and wound, the following condition (1)
  • a method for producing a melt-anisotropic aromatic polyester ultrafine fiber characterized by using (7) to (7) has been proposed.
  • the method of Patent Document 2 has the advantage that fibers having a fine single yarn fineness can be stably spun with a normal spinneret and has the advantage of low cost, but the fiber is unwound during rewinding or the like. , Fibrillation, single yarn breakage, and yarn breakage easily occur due to a decrease in strength per single yarn, and the quality of the resulting fiber is poor.
  • An object of the present invention is to provide a high-quality melt-anisotropic aromatic polyester fiber that is fine but has no fibrillation or single yarn breakage.
  • an object of the present invention is a multifilament having a single yarn fineness of 4.0 dtex or less made of an aromatic polyester that exhibits anisotropy when melted, and the number of fluffs at a yarn length of 1 million meters is less than 3. It is achieved by the melt anisotropic aromatic polyester fiber.
  • This aromatic polyester fiber preferably has a total fineness of 10 dtex or more and 500 dtex or less and a filament number of 3 to 1000.
  • the present invention also relates to a method for producing an aromatic polyester fiber obtained by melt spinning an aromatic polyester exhibiting anisotropy at the time of melting to obtain a multifilament having a single yarn fineness of 4.0 dtex or less. Melting point + 30 ° C., shear rate 1000 sec ⁇ This is also a method for producing the above-mentioned melt-anisotropic aromatic polyester fiber using an aromatic polyester having a melt viscosity of 1 to 50 poise and a spinning winding tension of 5 cN to 60 cN.
  • the melt-anisotropic aromatic polyester fiber of the present invention is a high-grade one that has excellent single-fiber fineness of 4.0 dtex or less and excellent post-process passability without single yarn breakage and fibrillation.
  • the aromatic polyester in the present invention is an aromatic polyester that exhibits anisotropy when melted.
  • the aromatic polyester that exhibits anisotropy when melted is a temperature at which the polyester sample powder can flow when heated by placing the polyester sample powder on a heated sample stage between two polarizing plates orthogonal to each other by 90 °. In the region, it means having the property of transmitting light.
  • aromatic polyesters include aromatic dicarboxylic acids, aromatic diols and / or aromatic hydroxycarboxylic acids, and derivatives thereof described in Japanese Patent Publication No. 56-18016 and Japanese Patent Publication No. 55-20008.
  • a copolymer of these with an alicyclic dicarboxylic acid, an alicyclic diol, an aliphatic diol or a derivative thereof is also included.
  • the aromatic dicarboxylic acid include terephthalic acid, isophthalic acid, 4,4′-dicarboxydiphenyl, 2,6-dicarboxynaphthalene, 1,2-bis (4-carboxyphenoxy) ethane, and the like. And those obtained by substituting hydrogen of a group ring with an alkyl, aryl, alkoxy or halogen group.
  • Aromatic diols include hydroquinone, resorcin, 4,4 ′ ′-dihydroxydiphenyl, 4 ′, 4′-dihydroxybenzophenone, 4,4′- dihydroxydiphenylmethane, 4,4′-dihydroxydiphenylethane, 2,2-bis (4 -Hydroxyphenyl) propane, 4,4'-dihydroxydiphenyl ether, 4,4'-dihydroxydiphenyl sulfone, 4,4'-dihydroxydiphenyl sulfide, 2,6-dihydroxynaphthalene, 1,5-dihydroxynaphthalene, etc.
  • aromatic hydroxycarboxylic acid examples include p-hydroxybenzoic acid, m-hydroxybenzoic acid, 2-hydroxynaphthalene-6-carboxylic acid, 1-hydroxynaphthalene-5-carboxylic acid, etc., and hydrogen of these aromatic rings. Examples thereof include those substituted with an alkyl, aryl, alkoxy or halogen group.
  • Alicyclic dicarboxylic acids include trans-1,4-dicarboxycyclohexane, cis-1,4-dicarboxycyclohexane, etc., and hydrogens of these aromatic rings substituted with alkyl, aryl, alkoxy, or halogen groups Is mentioned.
  • Examples of the alicyclic and aliphatic diols include trans-1,4-dihydroxycyclohexane, cis-1,4-dihydroxycyclohexane, ethylene glycol, 14-butanediol, and xylylenediol.
  • preferred aromatic polyesters in the present invention include, for example, (1) p-hydroxybenzoic acid residue and / or 2-hydroxynaphthalene-6-carboxylic acid residue of 40 to 70 mol% and the above Copolyester composed of 15-30 mol% aromatic dicarboxylic acid residue and 15-30 mol% aromatic diol residue, (2) Consists of terephthalic acid and / or isophthalic acid and chlorohydroquinone, phenylhydroquinone and / or hydroquinone And (3) a copolyester composed of 20 to 80 mol% of p-hydroxybenzoic acid residues and 20 to 80 mol% of 2-hydroxynaphthalene-6-carboxylic acid residues.
  • esterification as it is or with an aliphatic or aromatic monocarboxylic acid or a derivative thereof, an aliphatic alcohol or a phenol or a derivative thereof, or the like.
  • polycondensation reaction known block polymerization, solution polymerization, suspension polymerization and the like can be adopted, and the obtained polymer may be used as it is as a spinning sample, or in a powdery inert gas, Or it is good also as a sample for spinning by heat-processing under pressure reduction. Alternatively, it may be granulated once by an extruder.
  • the aromatic polyester in the present invention has a molecular weight range suitable for spinning.
  • “Flow start temperature” is used as a physical property value corresponding to the molecular weight suitable for the melt spinning conditions.
  • “Flow start temperature” is a flow tester CFT-500 manufactured by Shimadzu Corporation, and the temperature of an aromatic polyester sample is increased at 4 ° C./min with a nozzle having a diameter of 1 mm and a length of 10 mm at a pressure of 100 kg / cm 2. And the temperature at which the sample flows through the nozzle and gives an apparent viscosity of 4,800 Pascal seconds.
  • the “flow start temperature” of the melt-anisotropic aromatic polyester in the present invention is preferably 290 to 330 ° C.
  • the single yarn fineness of the melt-anisotropic aromatic polyester fiber in the present invention is 4.0 dtex or less, preferably 2.5 dtex or less, more preferably 1.0 dtex or less.
  • the range of the total fineness is preferably 10 dtex or more and 500 dtex or less, more preferably 15 dtex or more and 450 dtex or less, and further preferably 20 dtex or more and 400 dtex or less.
  • the range of the number of filaments is preferably 3 to 1000, more preferably 10 to 800, and still more preferably 20 to 600.
  • the melt-anisotropic aromatic polyester suitable for melt spinning of the present invention has a melting viscosity of 10 poise or more and 50 poise or less at a melting point of + 30 ° C. and a shear rate of 1000 sec ⁇ 1 . Within this range, it is suitable for stably producing aromatic polyester fibers having a single yarn fineness of 4.0 dtex or less. That is, when the melt viscosity is less than 10 poise, the polymer extruded from the die tends to be wrinkled and tends to lack spinning stability. When the melt viscosity exceeds 50 poise, the spinnability is lowered, so that there is a possibility that single yarn breakage may occur as the fineness is reduced, and the spinning stability tends to be lacking.
  • melt viscosity was measured by using a capillograph (Model 1B, manufactured by Toyo Seiki Seisakusho Co., Ltd.) with a nozzle having a diameter of 0.5 mm and a length of 5 mm. It is defined as the viscosity at a shear rate of -1 .
  • the aromatic polyester fiber of the present invention is produced, for example, by using a melt spinning apparatus as shown in FIG.
  • 1 is a spinning head
  • 2 is a spinning pack
  • 3 is a spinneret
  • 4 is a heater
  • 5 is a heat retaining cylinder.
  • melt spinning a known method may be used for melt extrusion of the aromatic polyester.
  • the aromatic polyester is usually pelletized so as to be suitable for melt spinning, and an extruder type extruder is used.
  • the extruded resin passes through a pipe, is sent to the spinning head 1, is metered by a known metering device (not shown) such as a gear pump, passes through a filter in the spinning pack 2, and then enters the spinneret 3.
  • the temperature from the polymer pipe to the spinneret 3 is preferably not less than the melting point of the aromatic polyester and not more than the thermal decomposition temperature.
  • the diameter of the discharged fiber is stabilized, and changes in the spinneret surface temperature and the atmospheric temperature under the spinneret can be suppressed by the outside air, There is a tendency that thinning by the draft becomes uniform, and there is no yarn breakage or fluff generation, and stable spinning tends to occur.
  • the shear rate in the spinneret hole is 10 4 to 10 5 sec ⁇ 1 .
  • the hole diameter (diameter) of the spinneret is preferably 0.2 mm or less, and more preferably 0.18 mm or less.
  • the aromatic polyester fiber spun as described above is applied with a predetermined oil agent by the oil agent applying device 6, and then taken up by the first godet roll 7 and the second godet roll 8, and is taken up by a take-up bobbin 9 (spinning take-up bobbin). ).
  • the winding speed is preferably 400 m / min or more and 2000 m / min or less, more preferably 600 m / min or more and 1800 m / min or less.
  • the spinning winding tension measured between the second godet roll 8 and the spinning winding bobbin 9 is preferably 5 cN or more and 60 cN or less, more preferably 10 cN or more and 50 cN or less, and further preferably 20 cN or more and 40 cN or less.
  • the fiber When the tension is less than 5 cN, the fiber is loosened, whereby the yarn is wound around the godet roll 8 or the winding bobbin 9 has a defective shape.
  • the bobbin having a defective shape is liable to be broken or broken due to traversing or the like in the subsequent rewinding process, and the productivity and quality are lowered.
  • the fiber Normally, if the fiber exceeds a single yarn fineness of 4.0 dtex, it can be stably wound even if the spinning winding tension is about 70 to 100 cN without causing the shape of the spinning winding bobbin to collapse.
  • the spinning winding tension is a value measured for the tension applied when winding with the winding bobbin 9.
  • the spinning winding tension is 5 cN or more and 60 cN or less.
  • Conventional aromatic polyester fibers are mainly used for industrial materials such as ropes and cables. The total fineness is thick, the single yarn fineness exceeds 4.0 dtex, and the strength per single yarn is generally 20 cN or more. It was. When the single yarn fineness is 4.0 dtex or less, the strength per single yarn is reduced, and fibrillation, single yarn breakage and breakage easily occur even with slight damage.
  • the aromatic polyester fiber has an extremely low elongation as compared with a general polyester fiber, the tension applied to the fiber cannot be absorbed, which causes fibrillation and yarn breakage.
  • the winding tension is set to 5 cN or more and 60 cN or less at the time of spinning, the burden on the yarn at the time of spinning winding is reduced as much as possible, and the bulk density of the spinning winding bobbin is reduced as much as possible.
  • melt anisotropic aromatic polyester fiber obtained by the above production method is a fine fiber having a single yarn fineness of 4.0 dtex or less, there is no single yarn breakage or fibrillation in the rewinding or heat treatment described later, It is of high quality with excellent subsequent process passability.
  • the strength of the fiber obtained by melt spinning the melt anisotropic aromatic polyester is preferably 3.0 cN / dtex or more, and more preferably 5.0 cN / dtex or more. Further, the elongation is preferably 0.5% or more, and more preferably 1.0% or more. Furthermore, the elastic modulus is preferably 300 cN / dtex or more, and more preferably 400 cN / dtex or more.
  • the melt-anisotropic aromatic polyester fiber obtained by spinning can be used as it is, it can be further increased in strength and elasticity by heat treatment.
  • the fiber of the spin-winding bobbin is once wound around another bobbin for heat treatment before heat treatment to form a package.
  • the bulk density of the package be 0.01 g / cc or more and 1.0 g / cc or less, and 0.8 g / cc or less so that solid phase polymerization can proceed uniformly when the heat treatment bobbin is rolled back. More preferably.
  • the bulk density is calculated by Wf / Vf from the occupied volume Vf (cc) of the fiber and the mass Wf (g) of the fiber obtained from the outer dimension of the package and the outer dimension of the heat treatment bobbin as the core material. Value.
  • the occupied volume Vf is a value obtained by actually measuring the outer dimensions of the package and assuming that the wound bobbin is rotationally symmetric, and Wf is calculated from the fineness and the winding length. It is a value measured by a value or a mass difference before and after winding.
  • the rewinding speed is preferably 500 m / min or less, and more preferably 400 m / min or less.
  • the heat treatment is preferably performed at a temperature not higher than the melting point of the melt anisotropic aromatic polyester fiber.
  • the solid phase polymerization of the aromatic polyester fiber proceeds and the strength and elastic modulus can be improved. It should be noted that, since there is a tendency that the fibers are easily fused during the heat treatment, it is preferable to raise the temperature stepwise from room temperature to a temperature below the melting point in order to prevent fusion between the fibers.
  • the heat treatment is preferably performed in an inert gas atmosphere.
  • dry air is used from the viewpoint of cost, it is desirable to dehumidify in advance to a dew point of -40 ° C or lower. That is, if water is present during solid phase polymerization, hydrolysis may be induced and the strength may not be sufficiently increased.
  • the fiber after heat treatment can be used as a product as a package, it is preferably rewound around a paper tube or the like in order to increase the product carrying efficiency.
  • the upper limit of the rewinding speed is not particularly limited, but is preferably 500 m / min or less, more preferably 400 m / min or less from the viewpoint of reducing damage to the fiber.
  • the strength of the fiber obtained by heat treatment as described above is preferably 10.0 cN / dtex or more, more preferably 12.0 cN / dtex or more, and further preferably 20.0 cN / dtex or more.
  • the elongation is preferably 1.0% or more, and more preferably 2.0% or more.
  • the elastic modulus is preferably 400 cN / dtex or more, and more preferably 500 cN / dtex or more.
  • the melt-anisotropic aromatic polyester fiber of the present invention has a number of fluffs of less than 3 at a yarn length of 1 million m, and is of high quality without any trouble in subsequent processes such as weaving. More preferably, the number of fluff is less than 2, and still more preferably less than 1. Such a fiber can be obtained by the production method described above.
  • Spinning operability evaluation Spinning operability when spinning for 2 hours or more was evaluated as follows. ⁇ Stable spinning with no yarn breakage. ⁇ : No more than 5 yarn breaks occurred during spinning for 2 hours. X Thread breakage occurred frequently and could not be wound.
  • Example 1 As an aromatic polyester exhibiting melt anisotropy, an aromatic polyester polymerized with 40 mol of p-acetoxybenzoic acid, 15 mol of terephthalic acid, 5 mol of isophthalic acid and 20.2 mol of 4,4′-diacetoxydiphenyl was used. . This aromatic polyester had a melting point of 340 ° C., a melting point of + 30 ° C., and a melt viscosity at a shear rate of 1000 sec ⁇ 1 of 30 poise. The aromatic polyester was dried in a vacuum dryer at 140 ° C.
  • the obtained fiber had a total fineness of 144.3 dtex, a single yarn fineness of 3.0 dtex, a strength of 26.0 cN / dtex, an elongation of 2.4%, and an elastic modulus of 1000 cN / dtex.
  • the number of fluffs of the heat-treated fiber wound around the paper tube was 0 during the measurement of 1 million meters, which was a good quality. Also, in the guide running test, the amount of deposits on the guide was small and the process passability was good. The spinning conditions and results are shown in Table 1.
  • Examples 2 to 16 An aromatic polyester fiber was obtained by spinning in the same manner as in Example 1 except that the aromatic polyester used in Example 1 was used and the total fineness, single yarn fineness, and spinning winding tension were changed as shown in Table 1. Next, in the same manner as in Example 1, the obtained aromatic polyester fiber was wound from a spinning winding bobbin onto a heat-treated bobbin, treated in nitrogen, and wound from the heat-treated bobbin to a paper tube to obtain a heat-treated aromatic polyester fiber. It was. As shown in Table 1, the rewinding of the aromatic polyester fiber was good with no single yarn breakage or yarn breakage before and after the heat treatment. The number of fluffs of the fiber after the heat treatment was 0 during 1 million meter measurement, which was a good quality. Also in the guide running test, the amount of deposits on the guide was small, and the process passability was good.
  • Example 17 and 18 An aromatic polyester fiber was obtained by spinning in the same manner as in Example 1 except that an aromatic polyester having a melting point of + 30 ° C. and a melt viscosity of 20 poise and 40 poise at a shear rate of 1000 sec ⁇ 1 was used and the spinning temperature was changed. Next, in the same manner as in Example 1, the obtained aromatic polyester fiber was wound from a spinning winding bobbin onto a heat-treated bobbin, treated in nitrogen, and wound from the heat-treated bobbin to a paper tube to obtain a heat-treated aromatic polyester fiber. It was. As shown in Table 1, the rewinding of the aromatic polyester fiber was good with no single yarn breakage or yarn breakage before and after the heat treatment. The number of fluffs of the fiber after the heat treatment was 0 during 1 million meter measurement, which was a good quality. Also in the guide running test, the amount of deposits on the guide was small, and the process passability was good.
  • melt-anisotropic aromatic polyester fibers after heat treatment of Examples 1 to 18 have good yarn quality, and when processed into a woven fabric, there is no warping process or yarn breakage during weft driving, and process passability. was excellent. What was obtained from Comparative Example 2 had a warping process and yarn breakage by weft driving, and the process passing ability was poor.
  • the melt-anisotropic aromatic polyester fiber of the present invention obtained by the production method as described above has the characteristics of high strength and high elastic modulus despite being a fine material, has no single yarn breakage or fibrillation, and has a million The number of fluff is less than 3 at m, and the post-process passability is greatly improved.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Artificial Filaments (AREA)

Abstract

L'invention concerne une fibre fondue de polyester aromatique anisotrope, de haute qualité, qui ne subit pas de fibrillation, de cassure de fil unique ou autre pendant un procédé de rebobinage et un procédé de traitement thermique et, par conséquent, qui possède une excellente aptitude au passage en post-traitement malgré le petit degré de finesse du fil unique de la fibre. Une fibre fondue de polyester aromatique anisotrope est caractérisée en ce qu'elle est un multi-filament qui comporte un polyester aromatique qui peut présenter des propriétés anisotropes lors de la fusion et qui possède un degré de finesse de fil unique de 4,0 dtex ou moins, et en ce que le nombre de peluches est inférieur à 3 pour 1 000 000 m de fibre. Il est préférable que la fibre de polyester aromatique ait un degré de finesse total de 10 à 500 dtex inclus, et que le nombre de filaments soit compris dans la plage de 3 à 1000.
PCT/JP2015/060292 2014-09-26 2015-03-31 Fibre fondue de polyester aromatique anisotrope et son procédé de fabrication WO2016047179A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201580011621.2A CN106062260B (zh) 2014-09-26 2015-03-31 熔融各向异性芳香族聚酯纤维及其制造方法
KR1020167024121A KR101969558B1 (ko) 2014-09-26 2015-03-31 용융 이방성 방향족 폴리에스테르 섬유 및 그의 제조방법
JP2016549971A JP6608376B2 (ja) 2014-09-26 2015-03-31 溶融異方性芳香族ポリエステル繊維およびその製造方法
CN201910762745.4A CN110484992B (zh) 2014-09-26 2015-03-31 熔融各向异性芳香族聚酯纤维及其制造方法

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JP2014197585 2014-09-26
JP2014-197585 2014-09-26

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KR (1) KR101969558B1 (fr)
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TW (1) TWI650453B (fr)
WO (1) WO2016047179A1 (fr)

Families Citing this family (1)

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CN108505137B (zh) * 2018-03-27 2020-08-11 东华大学 一种热致液晶聚芳酯纤维及其制备方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009235634A (ja) * 2008-03-28 2009-10-15 Toray Ind Inc 液晶ポリエステル繊維の製造方法
WO2010103986A1 (fr) * 2009-03-11 2010-09-16 東レ株式会社 Fibres de polyester à cristaux liquides et leur procédé de production
JP2012158851A (ja) * 2011-02-01 2012-08-23 Kb Seiren Ltd 芳香族ポリエステル繊維の製造方法
JP2013133576A (ja) * 2011-12-27 2013-07-08 Toray Ind Inc 液晶ポリエステルマルチフィラメント
JP2015078462A (ja) * 2013-10-18 2015-04-23 Ｋｂセーレン株式会社 芳香族ポリエステル繊維の製造方法
JP2015078461A (ja) * 2013-10-18 2015-04-23 Ｋｂセーレン株式会社 芳香族ポリエステル繊維の製造方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0814043B2 (ja) * 1985-08-23 1996-02-14 住友化学工業株式会社 芳香族ポリエステル繊維の熱処理方法
JPH06166909A (ja) * 1992-09-30 1994-06-14 Kuraray Co Ltd 溶融異方性芳香族ポリエステル極細繊維の製造方法
JP3913527B2 (ja) * 2001-10-30 2007-05-09 ポリプラスチックス株式会社 全芳香族ポリエステルアミド及びポリエステルアミド樹脂組成物
JP2005035714A (ja) * 2003-07-18 2005-02-10 Toray Ind Inc 糸条巻取機および糸条巻取り方法
JP2006299474A (ja) * 2005-04-22 2006-11-02 Kuraray Co Ltd 極細溶融異方性芳香族ポリエステル繊維
JP5428271B2 (ja) * 2008-10-02 2014-02-26 東レ株式会社 液晶ポリエステル繊維の製造方法
JP2010216052A (ja) 2009-03-19 2010-09-30 Kuraray Co Ltd 海島型複合繊維および該海島型複合繊維より得られる極細溶融異方性芳香族ポリエステル繊維
JP5327109B2 (ja) * 2009-03-23 2013-10-30 東レ株式会社 液晶ポリエステル繊維および巻取パッケージ
EP2695905B1 (fr) * 2011-04-01 2021-01-27 Polyplastics Co., Ltd. Polyester entièrement aromatique et composition de résine polyester

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009235634A (ja) * 2008-03-28 2009-10-15 Toray Ind Inc 液晶ポリエステル繊維の製造方法
WO2010103986A1 (fr) * 2009-03-11 2010-09-16 東レ株式会社 Fibres de polyester à cristaux liquides et leur procédé de production
JP2012158851A (ja) * 2011-02-01 2012-08-23 Kb Seiren Ltd 芳香族ポリエステル繊維の製造方法
JP2013133576A (ja) * 2011-12-27 2013-07-08 Toray Ind Inc 液晶ポリエステルマルチフィラメント
JP2015078462A (ja) * 2013-10-18 2015-04-23 Ｋｂセーレン株式会社 芳香族ポリエステル繊維の製造方法
JP2015078461A (ja) * 2013-10-18 2015-04-23 Ｋｂセーレン株式会社 芳香族ポリエステル繊維の製造方法

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TWI650453B (zh) 2019-02-11
JP6608376B2 (ja) 2019-11-20
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