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1. 发明申请

US20220186431A1 SHEET-SHAPED ARTICLE AND MANUFACTURING METHOD THEREFOR 有权
公开(公告)号：US20220186431A1
公开(公告)日：2022-06-16
申请号：US17439869
申请日：2020-03-19
申请人： Toray Industries, Inc.
发明人： Ryuji Shikuri , Koki Ishii , Takuya Shibano
IPC分类号： D06N3/14 , D06N3/00
摘要： A purpose of the present invention is to provide a sheet-shaped article and a manufacturing method therefor, said sheet-shaped article demonstrating both a supple texture and superior wear resistance. In order to achieve this purpose, a sheet-shaped article according to the present invention is a sheet-shaped article that includes, in a fibrous base material, a polymer elastic body with a hydrophilic group, said fibrous base material comprising extremely fine fibers with an average individual fiber fineness of 0.1 μm to 10 μm, wherein the sheet-shaped article has N-acylurea bonding or isourea bonding within the polymer elastic body, and a monovalent positive ion-including inorganic salt is present at a rate of 0.1 mass % to 5 mass % with regard to the mass of the polymer elastic body.

2. 发明授权

US11441260B2 Sheet-like material 有权
公开(公告)号：US11441260B2
公开(公告)日：2022-09-13
申请号：US16497206
申请日：2018-03-27
申请人： Toray Industries, Inc.
发明人： Takanori Furui , Makoto Kaneko , Ryuji Shikuri , Gen Koide , Hirohito Yamamoto , Makoto Nishimura , Jun Yoshida
IPC分类号： D06M15/564 , B32B5/02 , B32B5/26 , C08J5/04 , C08L67/02 , C08L75/04 , D06M101/32
摘要： 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.

3. 发明授权

US11441033B2 Sheet-like material 有权
公开(公告)号：US11441033B2
公开(公告)日：2022-09-13
申请号：US16488293
申请日：2018-02-06
申请人： Toray Industries, Inc.
发明人： Ryuji Shikuri , Makoto Nishimura , Yukihiro Matsuzaki , Satoshi Yanagisawa
IPC分类号： C08L75/04 , C08J5/04 , C08J5/18 , D06M15/564 , D06M101/32
摘要： 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.

4. 发明申请

US20200095725A1 SHEET-LIKE MATERIAL 审中-公开
公开(公告)号：US20200095725A1
公开(公告)日：2020-03-26
申请号：US16497206
申请日：2018-03-27
申请人： Toray Industries, Inc.
发明人： Takanori Furui , Makoto Kaneko , Ryuji Shikuri , Gen Koide , Hirohito Yamamoto , Makoto Nishimura , Jun Yoshida
IPC分类号： D06M15/564 , C08J5/04 , C08L75/04 , C08L67/02 , B32B5/26 , B32B5/02
摘要： 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.

5. 发明申请

US20230009350A1 SHEET MATERIAL AND METHOD FOR PRODUCING SAME 有权
公开(公告)号：US20230009350A1
公开(公告)日：2023-01-12
申请号：US17784749
申请日：2020-12-10
申请人： Toray Industries, Inc.
发明人： Koki Ishii , Ryuji Shikuri , Takuya Shibano
IPC分类号： D06N3/00 , D06N3/12
摘要： The sheet material according to the present invention has a polymer elastic body and a fibrous base material comprising ultrafine fibers, wherein the average single fiber diameter of the ultrafine fibers is 0.1 µm to 10.0 µm, the polymer elastic body has a hydrophilic group and an N-acylurea bond and/or an isourea bond, and the following conditions are satisfied : the longitudinal stiffness, in accordance with method A (45° cantilever method) in the text of “8.21 Stiffness” of JIS L 1096:2010 “Testing Methods for Woven and Knitted Fabrics”, is 40 mm to 140 mm ; and after immersion for 24 hours in N,N-dimethylformamide, the following are obtained in wear testing using a pressing load of 12.0 kPa and 20,000 friction cycles in accordance with method E (Martindale method) in the text of “8.19 Wear Strength and Friction Discoloration” of JIS L 1096:2010 “Testing Methods for Woven and Knitted Fabrics”: a grade of at least 4 and a wear loss of not more than 25 mg.

6. 发明申请

US20220380976A1 SHEET MATERIAL AND METHOD FOR PRODUCING SAME 有权
公开(公告)号：US20220380976A1
公开(公告)日：2022-12-01
申请号：US17773915
申请日：2020-12-10
申请人： Toray Industries, Inc.
发明人： Takuya Shibano , Ryuji Shikuri , Koki Ishii
IPC分类号： D06N3/00 , D06N3/14
摘要： The purpose of the present invention is to provide: a sheet-like article which has a good balance between soft texture and excellent light resistance; and a method for producing this sheet-like article. In order to achieve this purpose, a sheet-like article according to the present invention has the following configuration. Specifically, a sheet-like article which contains a polymer elastic body in a fibrous base material, wherein: the fibrous base material is composed of ultrafine fibers that have an average single fiber diameter of from 0.1 μm to 10 μm; the polymer elastic body has a hydrophilic group, while containing a polyether diol as a constituent; the polymer elastic body internally has an N-acylurea bond and/or an isourea bond; and the condition 1 and the condition 2 described below are satisfied. Condition 1: The bending resistance in the lengthwise direction as determined in accordance with specific standards is from 40 mm to 140 mm. Condition 2: The abrasion weight loss after 20,000 cycles of a Martindale abrasion test set forth in JIS L 1096 (2005) after a light resistance test as performed under the conditions defined in accordance with specific standards is 25 mg or less.

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