公开(公告)号：US11667763B2

公开(公告)日：2023-06-06

申请号：US16641134

申请日：2017-08-23

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Jirou Hiroishi ,  Hidekazu Hara ,  Yuka Sawada ,  Masami Tazuke ,  Toshihiro Suzuki ,  Shingo Mitsugi

IPC: C08J5/04 ,  C08G63/183 ,  C08J5/18 ,  C08J11/06 ,  C08K7/02 ,  C08L1/02 ,  C08L23/06 ,  C08L23/12 ,  C08L77/00

CPC classification number: C08J5/04 ,  C08G63/183 ,  C08J5/18 ,  C08J11/06 ,  C08K7/02 ,  C08L1/02 ,  C08L23/06 ,  C08L23/12 ,  C08L77/00 ,  C08K2201/004 ,  C08L2203/16 ,  C08L2205/03 ,  C08L2205/16 ,  C08L2207/062 ,  C08L2207/066 ,  C08L2207/20

Abstract: A cellulose fiber dispersion polyethylene resin composite material formed by dispersing a cellulose fiber into a polyethylene resin, in which a proportion of the above-described cellulose fiber is 1 part by mass or more and 70 parts by mass or less in a total content of 100 parts by mass of the polyethylene resin and the cellulose fiber, and the polyethylene resin satisfies a relationship: 1.7>half-width (Log(MH/ML))>1.0 in a molecular weight pattern obtained by gel permeation chromatography measurement, and a formed body and a pellet using the same, a production method therefor, and a recycling method for the cellulose fiber adhesion polyethylene thin film piece.

公开(公告)号：US11597826B2

公开(公告)日：2023-03-07

申请号：US16797691

申请日：2020-02-21

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Hidekazu Hara ,  Jirou Hiroishi ,  Yuka Sawada ,  Masami Tazuke ,  Toshihiro Suzuki

IPC: C08L23/12 ,  B29B7/00 ,  B29B7/16 ,  B29B7/92 ,  C08J3/215 ,  B29B9/14 ,  B29B17/04 ,  C08J3/20 ,  C08K3/08 ,  C08L1/02 ,  B29B7/10 ,  B29B9/06 ,  B29B17/02 ,  B29C70/28 ,  B29K1/00 ,  B29K23/00 ,  B29K105/26

Abstract: A cellulose-fiber-dispersing polyolefin resin composite material, containing a polyolefin resin containing a polypropylene resin, and a cellulose fiber dispersed in the polyolefin resin, in which a proportion of the cellulose fiber is 1 mass part or more and 70 mass parts or less in a total content of 100 mass parts of the polyolefin resin and the cellulose fiber, and the water absorption ratio satisfies the following Formula: (Water absorption ratio [%])

公开(公告)号：US20160046770A1

公开(公告)日：2016-02-18

申请号：US14868002

申请日：2014-03-06

Applicant: FURUKAWA ELECTRIC CO., LTD. ,  FURUKAWA ELECTRIC POWER SYSTEMS CO., LTD.

Inventor： Jae Kyung Kim ,  Eiji Kozawa ,  Masami Tazuke ,  Yasuo Nakajima ,  Yutaka Suzuki ,  Hironobu Hirano

IPC: C08J3/24 ,  C08K3/26

Abstract: A polyolefin-based thermoplastic elastomer and a crosslinked body of the same which can undergo a silane-crosslinking process excellent in productivity and have a rubber property required as a substitute material for EPDM is disclosed herein and can use a silane-crosslinkable ethylene-propylene copolymer characterized in that an organic peroxide (B) and a silane coupling agent (C) are compounded with an ethylene-propylene copolymer resin (A) which comprises 5 to 25% by mass of an ethylene component and 75 to 95% by mass of a propylene component, and whose MFR measured at 230° C. and with a load of 2.16 kg applied is 20.0 g/10 min or less. and further a compounded amount of the organic peroxide is 0.1 to 0.6 pts. mass based on 100 pts. mass of the ethylene-propylene copolymer resin (A) and a one-minute half-life temperature of the organic peroxide is 175.2° C. or less.

Abstract translation: 本发明公开了一种聚烯烃类热塑性弹性体及其能够进行生产率优异且具有作为EPDM的替代材料所需的橡胶性能的硅烷交联方法的交联体，可以使用硅烷交联性乙烯 - 丙烯共聚物 其特征在于，将有机过氧化物（B）和硅烷偶联剂（C）与乙烯 - 丙烯共聚物树脂（A）配混，所述乙烯 - 丙烯共聚物树脂（A）含有5〜25质量％的乙烯成分和75〜95质量％ 丙烯组分，其在230℃和2.16kg负荷下测量的MFR为20.0g / 10min或更少。 另外，有机过氧化物的配合量为0.1〜0.6个。 质量基于100点。 乙烯 - 丙烯共聚物树脂（A）的质量和有机过氧化物的1分钟半衰期为175.2℃以下。

公开(公告)号：US11613110B2

公开(公告)日：2023-03-28

申请号：US17226257

申请日：2021-04-09

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Masami Tazuke ,  Toshihiro Suzuki ,  Hidekazu Hara ,  Jirou Hiroishi ,  Jae Kyung Kim ,  Masato Ikeuchi ,  Jiro Sakato

IPC: B32B27/20 ,  B29B7/90 ,  B29C49/00 ,  B29C49/04 ,  B29C49/22 ,  B32B1/08 ,  B32B3/28 ,  B32B5/18 ,  B32B27/08 ,  B32B27/32 ,  C08K3/04 ,  C08L23/06 ,  F16L11/08 ,  F16L11/112 ,  B29K401/00 ,  B29K505/02 ,  B29L23/00

Abstract: A laminate, containing two or more polyolefin resin layers, wherein at least one polyolefin resin layer (A) contains a cellulose fiber including a cellulose fiber having a fiber length of 0.3 mm or more dispersed in the layer; a content of the cellulose fiber in the polyolefin resin layer (A) is 1% by mass or more and less than 60% by mass; and wherein a polyolefin resin layer (B) different from the polyolefin resin layer (A) is laminated in contact with the polyolefin resin layer (A).

公开(公告)号：US11466145B2

公开(公告)日：2022-10-11

申请号：US16797938

申请日：2020-02-21

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Jirou Hiroishi ,  Hidekazu Hara ,  Yuka Sawada ,  Masami Tazuke ,  Toshihiro Suzuki

IPC: C08L23/06 ,  C08K3/08 ,  C08K7/02 ,  C08L23/12 ,  C08L67/02 ,  C08L79/06 ,  G01N3/56 ,  C08L1/02

Abstract: A cellulose-fiber-dispersing polyolefin resin composite material, containing a polyolefin resin and a cellulose fiber dispersed in the polyolefin resin, in which the composite material contains the cellulose fiber of 3 mass % or more and less than 70 mass %, and when the composite material is subjected to the abrasion test according to ISO 6722 under the following test conditions, the amount of abrasion after 5,000 reciprocations satisfies the [Formula 1]: (Amount of abrasion [mm] of the cellulose-fiber-dispersing polyolefin resin composite material)

公开(公告)号：US11261318B2

公开(公告)日：2022-03-01

申请号：US16797654

申请日：2020-02-21

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Yuka Sawada ,  Hidekazu Hara ,  Jirou Hiroishi ,  Masami Tazuke ,  Toshihiro Suzuki

IPC: C08L23/12 ,  B29B7/00 ,  B29B7/16 ,  C08J3/215 ,  C08L97/02 ,  B29K1/00 ,  B29K23/00 ,  B29K105/26

Abstract: A cellulose-fiber-dispersing polyolefin resin composite material, containing a polyolefin resin containing a polypropylene resin, and a cellulose fiber dispersed in the polyolefin resin, in which a proportion of the cellulose fiber is 1 mass part or more and 70 mass parts or less in a total content of 100 mass parts of the polyolefin resin and the cellulose fiber, and the polyolefin resin satisfies the expression: Mz/Mw≥4, which is a ratio of Z-average molecular weight Mz to weight-average molecular weight Mw to be obtained by a gel permeation chromatography measurement; a pellet or a formed body using this composite material; and a production method for the composite material.