公开(公告)号：US09970129B2

公开(公告)日：2018-05-15

申请号：US14368176

申请日：2012-12-13

Applicant: TORAY INDUSTRIES, INC.

Inventor： Hajime Nishimura ,  Yukihiro Matsuzaki ,  Makoto Nishimura

IPC: D02G3/00 ,  D01F8/14 ,  D01D5/08 ,  D06N3/12 ,  D06N3/00 ,  D06N3/14 ,  D04H1/435 ,  D04H1/4382

CPC classification number: D01F8/14 ,  D01D5/08 ,  D04H1/435 ,  D04H1/4382 ,  D06N3/0011 ,  D06N3/0036 ,  D06N3/123 ,  D06N3/14 ,  D06N2201/10 ,  D06N2211/28 ,  Y10T428/2924 ,  Y10T428/2929

Abstract: The present invention provides a conjugated fiber suitable for use as a crimped fiber capable of producing an artificial leather having highly dense texture and good quality. The present invention also provides a base body for an artificial leather and an artificial leather produced by using such conjugated fiber. The conjugated fiber of the present invention includes a conjugated fiber comprising a readily soluble polyester component and a less readily soluble component, and the readily soluble polyester component comprises a copolymerized polyester having 5 to 10% by mole of 5-sodium sulfoisophthalate copolymerized therewith and the readily soluble polyester component contains a polyalkylene glycol. The polyalkylene glycol is in the form of streaks extending in longitudinal direction of the fiber in the longitudinal cross section of the conjugated fiber.

公开(公告)号：US20150233050A1

公开(公告)日：2015-08-20

申请号：US14427744

申请日：2013-09-13

Applicant: TORAY INDUSTRIES, INC.

Inventor： Gen Koide ,  Shunichiro Nakai ,  Satoshi Yanagisawa ,  Makoto Nishimura ,  Takahiro Tsuchimoto

IPC: D06M15/564 ,  D06N3/00 ,  D06N3/14

CPC classification number: D06M15/564 ,  D06M11/05 ,  D06M15/333 ,  D06N3/0004 ,  D06N3/0006 ,  D06N3/0009 ,  D06N3/0011 ,  D06N3/0036 ,  D06N3/0088 ,  D06N3/14 ,  D06N2209/105 ,  D06N2211/063 ,  D06N2211/106 ,  D06N2211/14 ,  D06N2211/24 ,  D06N2211/26 ,  D06N2211/28 ,  Y10T442/20

Abstract: Provided is an environmentally friendly process for producing a sheet-shaped material having both an elegant, napped appearance and a soft texture, which qualities have not been achieved concurrently, and also exhibiting good abrasion resistance. The process of the present invention for producing a sheet-shaped material includes the successive steps of (a) adding a polyvinyl alcohol having a degree of saponification of 98% or more and a degree of polymerization of 800 to 3,500 to a fibrous substrate in an amount of 0.1 to 50% by mass relative to the total mass of fibers in the fibrous substrate; (b) adding a waterborne polyurethane to the fibrous substrate with the added polyvinyl alcohol; and (c) removing the polyvinyl alcohol from the fibrous substrate with the added waterborne polyurethane.

Abstract translation: 本发明提供了一种生产具有优雅，起绒的外观和柔软质感的片状材料的环境友好的方法，其质量尚未同时实现，并且还具有良好的耐磨性。 本发明的片状材料的制造方法包括以下连续步骤：（a）在纤维状基材中添加皂化度为98％以上，聚合度为800〜3,500的聚乙烯醇， 相对于纤维基材中的纤维总质量为0.1〜50质量％ （b）用添加的聚乙烯醇将水性聚氨酯加入纤维基材; 和（c）用添加的水性聚氨酯从纤维基质中除去聚乙烯醇。

公开(公告)号：US11975281B2

公开(公告)日：2024-05-07

申请号：US17261352

申请日：2019-07-22

Applicant: TORAY Industries, Inc.

Inventor： Jun Yoshida ,  Koji Yamano ,  Yohei Nakano ,  Makoto Nishimura

IPC: B01D39/04 ,  B01D39/16 ,  D01F6/46 ,  D04H3/16 ,  D04H1/4382 ,  D04H3/007

CPC classification number: B01D39/163 ,  B01D39/04 ,  D01F6/46 ,  D04H3/16 ,  B01D2239/0627 ,  B01D2239/1233 ,  D04H1/43838 ,  D04H3/007

Abstract: The present invention is intended to provide a spunbond nonwoven fabric having low pressure loss, high collecting performance, and excellent processability and an air filter fabricated using the spunbond nonwoven fabric, the spunbond nonwoven fabric including fibers formed of a polyolefin-based resin, in which an average single fiber diameter of the fibers is 6.5 μm or more and 22.0 μm or less, a hindered amine-based compound represented by Formula (1) is contained at 0.1% by mass or more and 5% by mass or less, a melt flow rate (MFR) of the nonwoven fabric is 32 g/10 minutes or more and 850 g/10 minutes or less, and the nonwoven fabric is processed into an electret.

公开(公告)号：US11629457B2

公开(公告)日：2023-04-18

申请号：US16312856

申请日：2017-06-22

Applicant: Toray Industries, Inc.

Inventor： Satoshi Yanagisawa ,  Akihiro Tanabe ,  Makoto Nishimura

IPC: D06N3/00 ,  D06N3/14 ,  B32B15/08 ,  B65D25/14 ,  D06N3/18 ,  D06P1/20 ,  B60K37/00 ,  B60R13/02

Abstract: An automobile instrument panel surface material includes a microfiber having an average single fiber diameter of 0.3 to 7 μm; and polyurethane, the automobile instrument panel surface material having nap formed of the microfiber, the automobile instrument panel surface material having, of light fastnesses measured according to a light fastness measurement method of JIS L 0843:2006 under conditions of a xenon arc intensity of 110 MJ/m2, a fading by gray scale evaluation of grade 3.5 or higher, the automobile instrument panel surface material having a glass haze of 10.0% or less as measured according to a glass haze evaluation method of ISO 6452:2007 under conditions of a heating temperature of 100° C. and a heating time of 20 hours.

公开(公告)号：US20220186426A1

公开(公告)日：2022-06-16

申请号：US17439862

申请日：2020-03-13

Applicant: Toray Industries, Inc.

Inventor： Tatsuya Hagiwara ,  Shunichi Miyahara ,  Akihiro Tanabe ,  Makoto Nishimura

IPC: D06N3/00

Abstract: A sheet material includes a polymeric elastomer and a fiber-entangled body including, as a constituent element, a nonwoven fabric including ultrafine fibers having an average single fiber diameter of 1.0 μm or more and 10.0 μm or less. The ultrafine fibers include a polyester-based resin including a black pigment (a1). The black pigment (a1) has an average particle diameter of 0.05 μm or more and 0.20 μm or less and has a coefficient of variation (CV) of the average particle diameter of 75% or less. The polymeric elastomer includes a polyurethane including a black pigment (b). The sheet material has a nap coverage of 70% or more and 100% or less on a surface having a nap.

公开(公告)号：US20170254018A1

公开(公告)日：2017-09-07

申请号：US15504912

申请日：2015-08-18

Applicant: Toray Industries, Inc.

Inventor： Hajime Nishimura ,  Yukihiro Matsuzaki ,  Makoto Nishimura ,  Makoto Kaneko

IPC: D06N3/00 ,  D06N3/14 ,  D01F6/62 ,  D04H1/435 ,  D01F8/06 ,  D01F8/14 ,  D04H1/48 ,  D06M15/564

CPC classification number: D06N3/0004 ,  D01D5/24 ,  D01D5/36 ,  D01F6/62 ,  D01F8/04 ,  D01F8/06 ,  D01F8/14 ,  D04H1/435 ,  D04H1/46 ,  D04H1/48 ,  D06M15/564 ,  D06M2101/32 ,  D06N3/0011 ,  D06N3/0036 ,  D06N3/004 ,  D06N3/106 ,  D06N3/14 ,  D06N2201/02 ,  D06N2203/068 ,  D06N2209/1635 ,  D06N2211/28 ,  D10B2501/043

Abstract: A sheet material has good mechanical properties, flexibility, lightweight properties, and quality, and also relates to a production method therefor. The sheet material includes, as constitutional components, an elastic polymer and nonwoven fabric composed mainly of ultrafine hollow fiber with an average monofilament diameter in the range of 0.05 to 10 μm, the ultrafine hollow fiber containing 2 to 60 hollows.

公开(公告)号：US11441033B2

公开(公告)日：2022-09-13

申请号：US16488293

申请日：2018-02-06

Applicant: Toray Industries, Inc.

Inventor： Ryuji Shikuri ,  Makoto Nishimura ,  Yukihiro Matsuzaki ,  Satoshi Yanagisawa

IPC: C08L75/04 ,  C08J5/04 ,  C08J5/18 ,  D06M15/564 ,  D06M101/32

Abstract: The present invention provides a sheet-like material having soft texture, durability capable of withstanding practical use, and abrasion resistance. The sheet-like material of the present invention is a sheet-like material containing a nonwoven fabric composed of an ultrafine fiber having an average single fiber diameter 0.3 to 7 μm; and an elastic resin, wherein the elastic resin is a polyurethane resin (D) which contains: as essential constituent monomers, a copolymerized polycarbonate diol (A1) which contains a structural unit derived from C3-5 alkane diol (a1) and a structural unit derived from C8-12 alkane diol (a2), the molar ratio of the alkanediol (a2) with respect to the total number of moles of the alkanediol (a1) and the alkanediol (a2) being 50 to 95 mole %; a polycarbonate diol (A2) containing a structural unit derived from a C4-6 alkane diol (a3); an organic diisocyanate (B); and a chain extender (C), and the polyurethane resin (D) satisfies the following conditions (1) to (3): (1) The copolymerized polycarbonate diol (A1) has a heat quantity of fusion (ΔH) o 40 to 100 J/g, the heat quantity of fusion (ΔH) being determined according to a melting point measuring method provided in JIS K7121-1987; (2) The polycarbonate diol (A2) has a heat quantity of fusion (ΔH) of 0 J/g; (3) A difference (ΔTm) in a melting point (Tm) between a mixture (A12) of the copolymerized polycarbonate diol (A1) with the polycarbonate diol (A2) and the copolymerized polycarbonate diol (A1) is 1.5° C. or lower, the melting point (Tm) being determined by a melting point measuring method provided in JIS K7121-1987.

公开(公告)号：US20200095725A1

公开(公告)日：2020-03-26

申请号：US16497206

申请日：2018-03-27

Applicant: Toray Industries, Inc.

Inventor： Takanori Furui ,  Makoto Kaneko ,  Ryuji Shikuri ,  Gen Koide ,  Hirohito Yamamoto ,  Makoto Nishimura ,  Jun Yoshida

IPC: D06M15/564 ,  C08J5/04 ,  C08L75/04 ,  C08L67/02 ,  B32B5/26 ,  B32B5/02

Abstract: The present invention provides a sheet-like material in which a plant-derived raw material of low environmental impact is used. The invention also provides a sheet-like material that ideally has a uniform and refined nap and a sheet-like material that is strong, has excellent shape stability, is lightweight and is very pliable. This sheet-like material is characterized in being made of nonwoven fabric that is made of polyester microfiber containing a 1,2-propanediol-derived component in an amount prescribed in the present application and a polyurethane elastomer resin containing structural monomers prescribed in the present application. This sheet-like material is also made of a base sheet, in which a nonwoven fabric that has microfibers as the main component is laminated and unified with a woven or knitted material, and an elastomer resin, and is characterized in that the woven or knitted material is configured from fibers containing polyester as the main component and that 1-500 ppm of a 1,2-propanediol-derived component are contained in the polyester.

公开(公告)号：US20160289890A1

公开(公告)日：2016-10-06

申请号：US15037892

申请日：2014-11-14

Applicant: TORAY INDUSTRIES, INC.

Inventor： Hisashi Murahara ,  Shunichiro Nakai ,  Yukihire Matsuzaki ,  Makoto Nishimura

IPC: D06M15/572 ,  C08G18/48 ,  C08G18/66 ,  C08G18/76 ,  C08G18/73 ,  B32B5/26 ,  D06M15/568 ,  D06N3/00 ,  D06N3/14 ,  D04H1/587 ,  B32B5/02 ,  C08G18/44 ,  C08G18/75

CPC classification number: D06M15/572 ,  B32B5/022 ,  B32B5/024 ,  B32B5/26 ,  B32B2260/023 ,  B32B2260/046 ,  B32B2262/0253 ,  B32B2262/12 ,  B32B2307/584 ,  B32B2307/71 ,  B32B2307/718 ,  B32B2437/00 ,  B32B2601/00 ,  B32B2605/003 ,  C08G18/0823 ,  C08G18/12 ,  C08G18/44 ,  C08G18/4854 ,  C08G18/6607 ,  C08G18/6666 ,  C08G18/6692 ,  C08G18/73 ,  C08G18/755 ,  C08G18/758 ,  C08G18/7621 ,  C08G18/7671 ,  D04H1/587 ,  D06M15/568 ,  D06M2101/20 ,  D06N3/0004 ,  D06N3/0011 ,  D06N3/146 ,  D06N3/147 ,  D06N2201/0254 ,  D06N2203/068 ,  D06N2205/20 ,  D06N2209/105 ,  D06N2211/10 ,  D06N2211/14 ,  D06N2211/263 ,  D06N2211/28 ,  D10B2321/021 ,  D10B2321/121 ,  D10B2501/00 ,  D10B2505/08 ,  D10B2505/12 ,  C08G18/3243 ,  C08G18/3228 ,  C08G18/3234

Abstract: The invention provides a sheet-like article including: a fibrous base including ultrafine fibers; and a polyurethane resin as a binder to the fibrous base, wherein the polyurethane resin includes a polymer polyol-derived structure that includes a polycarbonate polyol-derived structure, and the polyurethane resin satisfies the following (I), (II) and (III) or (IV): (I) the polyurethane resin includes a carbonate bond, and an ether bond and/or an ester bond in the molecule; (II) the total content of urethane group and urea group in the polyurethane resin is 7 to 11% by mass; and (III) 80 to 100% by mass of a polycarbonate polyol yielding the polycarbonate polyol-derived structure is a polycarbonate polyol having a melting point of 20° C. or lower; or (IV) 80 to 100% by mass of a polycarbonate polyol yielding the polycarbonate polyol-derived structure is a polycarbonate polyol copolymerized with two or more polyhydric alcohols having different carbon skeletons.

Abstract translation: 本发明提供一种片状制品，其包括：包含超细纤维的纤维基材; 和作为粘合剂的聚氨酯树脂，其中所述聚氨酯树脂包含聚碳酸酯多元醇衍生结构的聚合物多元醇衍生结构，所述聚氨酯树脂满足下述（I），（II）和（III） 或（Ⅳ）：（I）聚氨酯树脂包括分子中的碳酸酯键和醚键和/或酯键; （II）聚氨酯树脂中的氨基甲酸酯基和脲基的总含量为7〜11质量％ 和（III）80至100质量％的产生聚碳酸酯多元醇衍生结构的聚碳酸酯多元醇是熔点为20℃或更低的聚碳酸酯多元醇; 或（IV）80〜100质量％的产生聚碳酸酯多元醇衍生结构的聚碳酸酯多元醇是与两种以上具有不同碳骨架的多元醇共聚的聚碳酸酯多元醇。

公开(公告)号：US20150315741A1

公开(公告)日：2015-11-05

申请号：US14647923

申请日：2013-11-27

Applicant: TORAY INDUSTRIES, INC.

Inventor： Gen Koide ,  Makoto Nishimura ,  Takahiro Tsuchimoto

IPC: D06M15/333 ,  D06N3/14 ,  D06M15/564

CPC classification number: D06M15/333 ,  D06M15/564 ,  D06N3/0004 ,  D06N3/14 ,  D06N2201/10 ,  D06N2209/103 ,  D06N2209/105 ,  D06N2211/10 ,  D06N2211/14 ,  D06N2211/26 ,  D06N2211/28 ,  Y10T428/268

Abstract: The present invention provides a process including: (i) dissolving, in water, a polyvinyl alcohol having a degree of saponification of 98% or more and a degree of polymerization of 800 to 3500 to prepare a polyvinyl alcohol aqueous solution in which the concentrations of methyl acetate, acetic acid and methanol are 50 ppm or less, (ii) adding the polyvinyl alcohol aqueous solution to a fibrous substrate having microfiber-generating fibers as its main constituent, so that the fibrous substrate has the polyvinyl alcohol in an amount of 0.1 to 50% by mass based on the mass of the fibers contained in the fibrous substrate, (iii) generating microfibers having an average single fiber diameter of 0.3 to 7 μm from the microfiber-generating fibers contained in the fibrous substrate as its main constituent, (iv) adding a waterborne polyurethane to the fibrous substrate comprising the microfibers as its main constituent and having the added polyvinyl alcohol, and (v) removing the polyvinyl alcohol from the fibrous substrate comprising the microfibers as its main constituent and having the added waterborne polyurethane.

Abstract translation: 本发明提供一种方法，其包括：（i）在水中溶解皂化度为98％以上，聚合度为800〜3500的聚乙烯醇，制备聚乙烯醇水溶液， 甲酸乙酯，乙酸和甲醇为50ppm以下，（ii）将聚乙烯醇水溶液加入到具有超细纤维生成纤维作为其主要成分的纤维基材上，使得纤维基材的聚乙烯醇的量为0.1 至50质量％，（iii）从纤维质基材中含有的微纤维生成纤维作为主要成分，生成平均单纤维直径为0.3〜7μm的微纤维， （iv）将水性聚氨酯添加到包含微纤维作为其主要成分并具有添加的聚乙烯醇的纤维基材中，和（v）除去聚乙烯醇 从包含微纤维作为其主要成分并具有添加的水性聚氨酯的纤维质基材。