公开(公告)号：US20220186428A1

公开(公告)日：2022-06-16

申请号：US17442767

申请日：2020-05-28

Applicant: KYOWA LEATHER CLOTH CO., LTD.

Inventor： Tomohisa SAKASHITA ,  Tomoyuki ISHIYAMA ,  Mayu OHBA ,  Kento TERAI ,  Akinaka FUKUMI

IPC: D06N3/14 ,  D06N3/00

Abstract: A synthetic resin skin material and a manufacturing method thereof, the synthetic resin skin material including, in this order: a base fabric; a thermoplastic resin layer having a storage elastic modulus at 160° C. of 2,000,000 Pa or less measured in accordance with JIS K 7244 (1998); and a skin layer containing a urethane resin, wherein the synthetic resin skin material has recesses at a side of the skin layer, the recesses having a depth, in a thickness direction of the synthetic resin skin material, that extends from the skin layer as far as an inner part of the thermoplastic resin layer, past a boundary that is present between the skin layer and the thermoplastic resin layer at a non-recessed region.

公开(公告)号：US20210292965A1

公开(公告)日：2021-09-23

申请号：US17260342

申请日：2020-01-09

Applicant: KYOWA LEATHER CLOTH CO., LTD.

Inventor： Ryutaro SUZUKI ,  Masato YAMAOKA

IPC: D06N3/06 ,  B32B5/20 ,  B32B27/30 ,  B32B5/02 ,  B32B27/12 ,  B32B7/12 ,  B29C44/32 ,  B29C44/24

Abstract: A synthetic resin skin material, including a base cloth and a vinyl chloride resin skin layer that is formed on the base cloth and that includes a vinyl chloride resin having a degree of polymerization of 1,600 to 3,000 and includes 3 parts by mass to 20 parts by mass of a silicon-acrylic copolymer with respect to 100 parts by mass of the vinyl chloride resin, and a manufacturing method thereof.

公开(公告)号：US20210162705A1

公开(公告)日：2021-06-03

申请号：US16644930

申请日：2018-09-26

Applicant: KYOWA LEATHER CLOTH CO., LTD. ,  HAYASHI TELEMPU CORPORATION ,  INOAC CORPORATION

Inventor： Tomoyuki ISHIYAMA ,  Kenji KUBO ,  Tetsuya OGAWA ,  Atsuhiko ITAKURA

IPC: B32B5/24 ,  B32B27/40 ,  B23B7/12 ,  B32B5/02 ,  B32B5/18 ,  B32B27/12 ,  B32B3/30 ,  B32B3/26 ,  B29C59/02 ,  A47C31/02

Abstract: A synthetic resin skin material composite, including: a urethane resin skin material including a urethane resin skin layer provided at one surface of a substrate; and a cushion layer that is placed at a surface on an opposite side of the substrate from the surface of the urethane resin skin material at which the urethane resin skin layer is provided; in which the urethane resin skin material has recesses at a side of the urethane resin skin layer, and each of the recesses has a depth in a thickness direction of the synthetic resin skin material composite, such that the recesses extend from the urethane resin skin layer into the cushion layer beyond an interface between the urethane resin skin material and the cushion layer that is present in a region without a recess, as well as a method of producing a synthetic resin skin material composite.

公开(公告)号：US11965286B2

公开(公告)日：2024-04-23

申请号：US17442767

申请日：2020-05-28

Applicant: KYOWA LEATHER CLOTH CO., LTD.

Inventor： Tomohisa Sakashita ,  Tomoyuki Ishiyama ,  Mayu Ohba ,  Kento Terai ,  Akinaka Fukumi

IPC: D06N3/14 ,  D06C23/04 ,  D06N3/00

CPC classification number: D06N3/14 ,  D06N3/0009 ,  D06N3/0036 ,  D06N3/0068 ,  D06N3/0077 ,  D06C23/04 ,  D06N2203/048 ,  D06N2211/28

Abstract: A synthetic resin skin material and a manufacturing method thereof, the synthetic resin skin material including, in this order: a base fabric; a thermoplastic resin layer having a storage elastic modulus at 160° C. of 2,000,000 Pa or less measured in accordance with JIS K 7244 (1998); and a skin layer containing a urethane resin, wherein the synthetic resin skin material has recesses at a side of the skin layer, the recesses having a depth, in a thickness direction of the synthetic resin skin material, that extends from the skin layer as far as an inner part of the thermoplastic resin layer, past a boundary that is present between the skin layer and the thermoplastic resin layer at a non-recessed region.

公开(公告)号：US20200325625A1

公开(公告)日：2020-10-15

申请号：US16756283

申请日：2018-10-26

Applicant: KYOWA LEATHER CLOTH CO., LTD. ,  NT&I CO., LTD. ,  SHINSHU UNIVERSITY

Inventor： Tadahisa SASASE ,  Yusuke KATO ,  Shohei HOSOO ,  Yasushi MURAKAMI

IPC: D06N3/00

Abstract: A synthetic leather includes: a base cloth; on the base cloth, an adhesion layer, a skin layer, and a flame-retardant layer, in this order, in which the flame-retardant layer includes at least one selected from hydrotalcite or a hydrotalcite-like compound, and is a cured product of a composition that includes a binder and particles having an average particle diameter of from 10 nm to 2500 nm, and is a layer having a thickness of from 1 μm to 20 μm.

公开(公告)号：US10173404B2

公开(公告)日：2019-01-08

申请号：US15319314

申请日：2015-07-06

Applicant: KYOWA LEATHER CLOTH CO., LTD. ,  TOSOH CORPORATION

Inventor： Takafumi Kinoshita ,  Takahito Nakamura ,  Tadayuki Kawaguchi

IPC: C09D175/06 ,  C09D151/08 ,  C09D5/00 ,  B32B27/40 ,  B32B27/00 ,  B32B7/12

Abstract: A synthetic resin skin material includes, on one side of a base material 12, an adhesive layer 14, a skin layer 16, and a surface processing layer 18 in this order from the base material 12, the adhesive layer 14 and the skin layer 16 containing a polyurethane urea resin having a number average molecular weight of from 35,000 to 100,000.

公开(公告)号：US11577487B2

公开(公告)日：2023-02-14

申请号：US16644930

申请日：2018-09-26

Applicant: KYOWA LEATHER CLOTH CO., LTD. ,  HAYASHI TELEMPU CORPORATION ,  INOAC CORPORATION

Inventor： Tomoyuki Ishiyama ,  Kenji Kubo ,  Tetsuya Ogawa ,  Atsuhiko Itakura

IPC: B32B5/24 ,  B32B27/40 ,  B32B7/12 ,  B32B5/02 ,  B32B5/18 ,  B32B27/12 ,  B32B3/30 ,  B32B3/26 ,  B29C59/02 ,  A47C31/02 ,  D06N3/00 ,  B29K75/00 ,  B29K105/04

Abstract: A synthetic resin skin material composite, including: a urethane resin skin material including a urethane resin skin layer provided at one surface of a substrate; and a cushion layer that is placed at a surface on an opposite side of the substrate from the surface of the urethane resin skin material at which the urethane resin skin layer is provided; in which the urethane resin skin material has recesses at a side of the urethane resin skin layer, and each of the recesses has a depth in a thickness direction of the synthetic resin skin material composite, such that the recesses extend from the urethane resin skin layer into the cushion layer beyond an interface between the urethane resin skin material and the cushion layer that is present in a region without a recess, as well as a method of producing a synthetic resin skin material composite.

公开(公告)号：US11434602B2

公开(公告)日：2022-09-06

申请号：US16756283

申请日：2018-10-26

Applicant: KYOWA LEATHER CLOTH CO., LTD. ,  NT&I CO., LTD. ,  SHINSHU UNIVERSITY

Inventor： Tadahisa Sasase ,  Yusuke Kato ,  Shohei Hosoo ,  Yasushi Murakami

IPC: D06N3/00 ,  B82Y30/00

Abstract: A synthetic leather includes: a base cloth; on the base cloth, an adhesion layer, a skin layer, and a flame-retardant layer, in this order, in which the flame-retardant layer includes at least one selected from hydrotalcite or a hydrotalcite-like compound, and is a cured product of a composition that includes a binder and particles having an average particle diameter of from 10 nm to 2500 nm, and is a layer having a thickness of from 1 μm to 20 μm.

公开(公告)号：US20190382953A1

公开(公告)日：2019-12-19

申请号：US16469249

申请日：2017-11-09

Applicant: KYOWA LEATHER CLOTH CO., LTD.

Inventor： Kenji KUBO ,  Noriyuki ISHIYAMA

IPC: D06N3/00 ,  D06N3/14 ,  D06N3/02 ,  D06N3/04 ,  D06N3/06

Abstract: Provided is a synthetic leather including: a base fabric that has a limiting oxygen index of 25 or more, and that is a knitted body of a yarn including a flame-retardant fiber having a limiting oxygen index of 25 or more, a cellulose-based fiber, and a carbon fiber; an adhesion layer containing a flame retardant, the adhesion layer being provided at at least one side of the base fabric; and a skin layer provided at a side of the adhesion layer opposite from a side at which the base fabric is provided.

公开(公告)号：US10828866B2

公开(公告)日：2020-11-10

申请号：US15566849

申请日：2015-12-17

Applicant: DAIHATSU MOTOR CO., LTD. ,  KYOWA LEATHER CLOTH CO.,LTD.

Inventor： Jun Nagata ,  Akira Sakabe ,  Kazuyoshi Baba ,  Tadahiko Inagaki ,  Haruyuki Ishizu ,  Keiko Nakada

IPC: B32B7/06 ,  B32B27/00 ,  B32B27/32 ,  B32B27/08 ,  B32B27/30 ,  B32B27/18 ,  B32B7/12

Abstract: Provided are a decorative sheet which has excellent processability and with which an increase in workability during mounting can be achieved, a formed sheet obtained by forming the decorative sheet, and a formed sheet manufacturing method. The decorative sheet 1 is provided with a release layer 2, a pressure-sensitive adhesive layer 3 disposed on a surface of the release layer 2, and a skin layer 4 disposed on a surface of the pressure-sensitive adhesive layer 3. The release layer 2 includes a shape retention layer 5 and an easy release layer 6 interposed between the pressure-sensitive adhesive layer 3 and the shape retention layer 5. The shape retention layer 5 is a resin sheet made from an acrylonitrile-butadiene-styrene copolymer. The shape retention layer 5 has a thickness of not less than 100 μm and not more than 700 μm.