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    • 101. 发明专利
    • Warp knitted fabric
    • WARP针织面料
    • JP2014173193A
    • 2014-09-22
    • JP2013043713
    • 2013-03-06
    • Toray Opelontex Co Ltd東レ・オペロンテックス株式会社
    • MATSUNAGA KEIICHIROISHIWATARI HIRONORI
    • D04B21/18D04B21/14
    • PROBLEM TO BE SOLVED: To provide a warp knitted fabric which has both an excellent elongation property and recovery property, and which has the function of preventing displacement and slippage.SOLUTION: A warp knitted fabric of the present invention is a warp knitted fabric with a double-sided knitted structure knitted from an elastic yarn and a non-elastic yarn. The warp knitted fabric has an elongation/contraction property satisfying the following: when the knitted fabric is subjected three times to elongation and contraction at an elongation percentage of 80% in a longitudinal direction, stress upon the third elongation from 15% to 80% and upon recovery thereafter from 80% to 15% is measured at 5% intervals, and correlation coefficients upon the elongation and upon the recovery calculated from the elongation percentage and the stress are both 0.98 or higher. In the warp knitted fabric, the knitted fabric on one side thereof is composed by forming knit loops with only the elastic yarn, and the knitted fabric on the other side thereof is composed by forming knit loops with the elastic yarn and the non-elastic yarn.
    • 要解决的问题:提供一种具有优异的伸长性能和回复性能的经编织物,并且具有防止位移和滑动的功能。解决方案:本发明的经编织物是经编织物,其具有 由弹性纱线和非弹性纱线编织的双面针织结构。 经编织物的伸长/收缩性能满足下列条件:当针织物在长度方向的伸长率为80%的伸长率和收缩率下进行三次拉伸和收缩时,第三伸长率的应力为15%〜80%, 之后的回收率为80%〜15%,以延伸率和应力计算出的伸长率和恢复时的相关系数均为0.98以上。 在经编针织物中,其一面的针织物仅由弹性纱线形成编织圈,另一侧的针织物由弹性纱线和非弹性纱线形成编织圈 。
    • 104. 发明专利
    • Polyurethane elastic yarn and method for manufacturing the same
    • 聚氨酯弹性丝及其制造方法
    • JP2013139555A
    • 2013-07-18
    • JP2012262019
    • 2012-11-30
    • Toray Opelontex Co Ltd東レ・オペロンテックス株式会社
    • HARA MASATSUGUTAKAYAMA HIROSHITANAKA TOSHIHIRO
    • C08G18/48D01F6/70D04B1/18
    • PROBLEM TO BE SOLVED: To provide polyurethane elastic yarn that excels in elongation, resilience, a moisture absorption exothermic property, and transparency, and that is suitable for a stretch cloth and clothes or the like, and to provide a method for manufacturing the same.SOLUTION: The polyurethane elastic yarn includes polyurethane polymerized from: a mixture polyol (A) consisting of polyethylene glycol (A1) having 500 to 5,000 of a number average molecular weight and polymer diol (A2) other than the (A1) having 500 to 5,000 of a number average molecular weight; an organic diisocyanate compound (B); and a chain extender (C) consisting of water and/or a low molecular weight diol, wherein the reaction equivalent ratio (molar ratio) of a total terminal hydroxy group of the polyethylene glycol (A1) and the polymer diol (A2) to a terminal isocyanate group of the organic diisocyanate compound (B) is at most 5.5, and the weight ratio of the polyethylene glycol (A1) to the polymer diol (A2) is in the range of 1/9 to 5/5.
    • 要解决的问题:提供优异的伸长率,回弹性,吸湿放热性和透明性,适用于弹力布和衣服等的聚氨酯弹性丝,并提供其制造方法。 解决方案:聚氨酯弹性纱线包括由以下组成的聚氨酯聚合的聚氨酯:由数均分子量为500〜5000的聚乙二醇(A1)和除(A1)以外的聚合物二醇(A2)由500〜5,000 的数均分子量; 有机二异氰酸酯化合物(B); 和由水和/或低分子量二醇组成的扩链剂(C),其中聚乙二醇(A1)和聚合物二醇(A2)的总末端羟基与聚合物二醇(A2)的反应当量比(摩尔比)与 有机二异氰酸酯化合物(B)的末端异氰酸酯基为5.5以下,聚乙二醇(A1)与聚合物二醇(A2)的重量比为1/9〜5/5。
    • 105. 发明专利
    • Polyurethane elastic fiber and method for producing the same
    • 聚氨酯弹性纤维及其制造方法
    • JP2013127142A
    • 2013-06-27
    • JP2012244245
    • 2012-11-06
    • Toray Opelontex Co Ltd東レ・オペロンテックス株式会社
    • TAKAYAMA HIROSHIHARA MASATSUGUTANAKA TOSHIHIRO
    • D01F6/94C08K5/10C08L67/04C08L75/04D01D5/04D01F6/70
    • PROBLEM TO BE SOLVED: To provide a polyurethane elastic fiber excellent in antibacterial properties and dyeability with a disperse dye, and to provide a high strength polyurethane elastic fiber having an improved strength that is an important factor for stretchability and a method for producing the same.SOLUTION: There is provided a polyurethane elastic fiber comprising a polyurethane obtained from polymer diol and diisocyanate as starting substances, and containing at least one of biodegradable compounds having a structural unit represented by the following general formula (1) and/or formula (2). The polyurethane elastic fiber contains the at least one of biodegradable compounds having a structural unit represented by the formula (1) and/or the formula (2) at a total content of 0.1 wt.% or more and 20 wt.% or less.
    • 要解决的问题:提供一种具有优异的抗分散染料的抗菌性和染色性的聚氨酯弹性纤维,并且提供具有改善强度的高强度聚氨酯弹性纤维,其是拉伸性的重要因素,以及一种生产方法 一样。 解决方案:提供一种聚氨酯弹性纤维,其包含由聚合物二醇和二异氰酸酯作为起始物质获得的聚氨酯,并且含有至少一种具有由以下通式(1)表示的结构单元的生物可降解化合物和/或式 (2)。 聚氨酯弹性纤维含有总量为0.1重量%以上且20重量%以下的具有式(1)和/或式(2)所示的结构单元的生物降解性化合物中的至少一种。 版权所有(C)2013,JPO&INPIT
    • 107. 发明专利
    • Polyurethane elastic yarn and method for producing the same
    • 聚氨酯弹性纱及其制造方法
    • JP2012132130A
    • 2012-07-12
    • JP2010287165
    • 2010-12-24
    • Toray Opelontex Co Ltd東レ・オペロンテックス株式会社
    • HARA MASATSUGUTANAKA TOSHIHIRO
    • D01F6/94C08G18/48C08K3/22C08L29/14C08L75/08D03D15/08
    • PROBLEM TO BE SOLVED: To provide a polyurethane elastic yarn that can be stably spun for a long period of time, is excellent in chlorine resistance, and can provide a fabric that has good qualities without uneven mesh and uneven dyeing, and to provide a method for producing the polyurethane elastic yarn.SOLUTION: The polyurethane elastic yarn comprises polyurethane using a polymer diol and a diisocyanate as starting materials and contains at least one copolymer (a) selected from the group consisting of the following (a-1) to (a-3) and at least one metal compound (b) selected from the group consisting of the following (b-1) to (b-4): (a-1) copolymers of vinyl alcohol and vinyl acetal; (a-2) copolymers of vinyl acetate and vinyl acetal; (a-3) copolymers of vinyl alcohol, vinyl acetate and vinyl acetal; (b-1) compounds of hydrotalcites; (b-2) mixtures of huntite and hydromagnesite; (b-3) carbonates, oxides and hydroxides of a metal selected from Ca, Mg, Al and Ba; and (b-4) composite oxides including at least two selected from a group consisting of Ca, Mg, Al and Ba.
    • 解决问题的方案为了提供能够长时间稳定纺丝的聚氨酯弹性丝,耐氯性优异,可以提供具有良好品质的织物,不会出现网眼不均匀和染色不均匀,并且 提供聚氨酯弹性纱线的制造方法。 聚氨酯弹性丝包含使用聚合物二醇和二异氰酸酯作为起始原料的聚氨酯,并含有至少一种选自以下(a-1)至(a-3)和 至少一种选自以下(b-1)至(b-4)的金属化合物(b):(a-1)乙烯醇和乙烯基缩醛的共聚物; (a-2)乙酸乙烯酯和乙烯基缩醛的共聚物; (a-3)乙烯醇,乙酸乙烯酯和乙烯醇缩醛的共聚物; (b-1)水滑石化合物; (b-2)hiteite和hydroromagnesite的混合物; (b-3)选自Ca,Mg,Al和Ba的金属的碳酸盐,氧化物和氢氧化物; 和(b-4)包括选自Ca,Mg,Al和Ba中的至少两种的复合氧化物。 版权所有(C)2012,JPO&INPIT
    • 110. 发明专利
    • Covered elastic yarn and production method therefor
    • 包覆弹性纱及其生产方法
    • JP2011174206A
    • 2011-09-08
    • JP2010039889
    • 2010-02-25
    • Toray Opelontex Co Ltd東レ・オペロンテックス株式会社
    • OTSUKA TAMOTSUURANAKA HIRONORI
    • D02G3/36D02G3/32
    • PROBLEM TO BE SOLVED: To provide covered elastic yarns little in shrinkage by heating, excellent in morphological stability, little in slip between core fiber and sheath fiber and giving stockings having high transparency and excellent in dimensional stability between before and after wearing, and to provide a production method therefor.
      SOLUTION: There is provided the hot-drawn covered elastic yarn Y having ≤15% boiling water shrinkage, wherein the hot-drawn covered elastic yarn Y comprises a core fiber (a) which is a polyurethane elastic fiber having a urethane bond and represented by formula (I) (wherein, P is a polyol residue, R
      1 and R
      3 are mutually the same or different diisocyanate residue, R
      2 is a diol residue, U is a urethane bond, n1 is 1-10 recurring unit number, and n2 is 1-10 recurring unit number) and a sheath fiber (b) which is a polyamide fiber having
    • 要解决的问题:通过加热几乎不产生收缩的覆盖弹性纱线,形状稳定性优异,芯纤维和鞘纤维之间滑动少,并且具有高透明度和穿着前后尺寸稳定性优异的袜子, 并提供其制造方法。 解决方案:提供了具有≤15%沸水收缩率的热拉覆盖的弹性纱线Y,其中热拉伸的弹性纱线Y包括芯纤维(a),其是具有氨基甲酸酯键的聚氨酯弹性纤维 并且由式(I)表示(其中,P是多元醇残基,R SP&gt;和&lt; SP&gt; 3&lt; SP&gt;相互相同或不同的二异氰酸酯残基R / SP>是二醇残基,U是氨基甲酸酯键,n1是1-10个重复单元数,n2是1-10个重复单元数)和作为具有<30%伸长率的聚酰胺纤维的鞘纤维(b) 。 版权所有(C)2011,JPO&INPIT