公开(公告)号：US20230312883A1

公开(公告)日：2023-10-05

申请号：US18206701

申请日：2023-06-07

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Yukihiro IKURA ,  Kenichi SUYAMA ,  Mayu SATAKE ,  Yui HAMURO ,  Yasuo NAKAJIMA

IPC: C08L1/02

CPC classification number: C08L1/02 ,  C08L2205/16 ,  C08L2205/03 ,  C08L2203/20

Abstract: A cellulose fiber reinforced thermoplastic resin formed body, containing a thermoplastic resin, a cellulose fiber and an organic fiber different from the cellulose fiber, in which, in the resin formed body, the content of the thermoplastic resin is 39 to 80 mass %, the content of the cellulose fiber is 5 to 55 mass %, and the content of the organic fiber different from the cellulose fiber is 4 to 35 mass %; and



a method of producing the same.

公开(公告)号：US20220010113A1

公开(公告)日：2022-01-13

申请号：US17484054

申请日：2021-09-24

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Yukihiro IKURA ,  Mayu SATAKE ,  Suzune ITO ,  Yasuo NAKAJIMA ,  Kenichi SUYAMA ,  Jae Kyung KIM ,  Hiroki TANAKA ,  Isao TOMOMATSU

IPC: C08L23/12 ,  C08K7/02 ,  C08L1/02 ,  B29C48/40 ,  B29C48/00

Abstract: A cellulose fiber-reinforced polypropylene resin formed body that is a resin formed body having respective diffraction peaks observed at positions of a scattering vector s of 1.61±0.1 nm−1, 1.92±0.1 nm−1, and 3.86±0.1 nm−1 in a wide-angle X-ray diffraction measurement, and is characterized by having ΔT calculated by the following formula (1) of 40.0° C. or more; and a cellulose fiber-reinforced polypropylene resin formed body that is a resin formed body having the above diffraction peaks and is characterized by having ΔTm and ΔTc expressed by the following formulae (2) and (3) and satisfying ΔTm

公开(公告)号：US20210198463A1

公开(公告)日：2021-07-01

申请号：US17201674

申请日：2021-03-15

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Yukihiro IKURA ,  Suzune ITO ,  Yasuo NAKAJIMA ,  Kenichi SUYAMA ,  Jae Kyung KIM ,  Hiroki TANAKA ,  Isao TOMOMATSU

IPC: C08L23/12 ,  C08L1/02 ,  C08F8/46 ,  C08F10/06 ,  B29C55/12

Abstract: A resin formed body obtained from a resin composition that contains a polypropylene resin and a cellulose fiber, the polypropylene resin partially containing an acid modified polypropylene resin, wherein the resin formed body has a diffraction peak derived from a polypropylene α-crystal (040) plane at a position of a scattering vector s of 1.92±0.1 nm−1, a diffraction peak derived from a polypropylene β-crystal (300) plane at a position of a scattering vector s of 1.83±0.1 nm−1, and a diffraction peak derived from a cellulose Iβ type crystal (004) plane at a position of a scattering vector s of 3.86±0.1 nm−1, observed in a wide-angle X-ray diffraction measurement, and wherein an orientation degree of the cellulose fiber in the resin formed body is larger than 0.1 and less than 0.8.

公开(公告)号：US20200224009A1

公开(公告)日：2020-07-16

申请号：US16833222

申请日：2020-03-27

Applicant: Furukawa Electric Co., Ltd.

Inventor： Jaekyung KIM ,  Kenichi SUYAMA ,  Yasuo NAKAJIMA ,  Eiji KOZAWA

IPC: C08L1/02 ,  C08L101/02

Abstract: The present disclosure relates to a molded article provided with a resin part formed with a thermoplastic resin composition containing 5 to 70 parts by mass of cellulose based on 100 parts by mass of the thermoplastic resin and containing an organic peroxide, wherein a tensile strength of a resin molded body formed with the thermoplastic resin composition measured in accordance with JIS K 7161 is 40 MPa or more.

公开(公告)号：US20140301704A1

公开(公告)日：2014-10-09

申请号：US14309380

申请日：2014-06-19

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Hiroki TANAKA ,  Minoru SAITO ,  Minoru KASAHARA ,  Yasuo NAKAJIMA ,  Yoshihiro ARASHITANI

IPC: G02B6/44 ,  G02B6/02

CPC classification number: G02B6/02395 ,  C03C25/1065 ,  C03C25/285 ,  G02B6/4403 ,  G02B6/4409

Abstract: A colored optical fiber including a glass optical fiber; a primary coating layer that covers the glass optical fiber; a secondary coating layer that covers the primary coating layer; and a colored layer that coats the secondary coating layer. The relaxation modulus after 24 hours at 60° C. of of the layers coated is 140 MPa or less.

Abstract translation: 包括玻璃光纤的彩色光纤; 覆盖玻璃光纤的主要涂层; 覆盖第一涂层的二次涂层; 以及涂覆第二涂层的着色层。 所涂层的60℃下24小时后的松弛模量为140MPa以下。

公开(公告)号：US20240368358A1

公开(公告)日：2024-11-07

申请号：US18775986

申请日：2024-07-17

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Jae Kyung KIM ,  Hiroki KINOSHITA ,  Yukihiro IKURA ,  Yasuo NAKAJIMA ,  Kenichi SUYAMA

IPC: C08J5/04

Abstract: A cellulose fiber reinforced resin composition, containing a thermoplastic resin containing a polyolefin resin and an alkoxysilane-modified polypropylene resin, and 101 to 400 mass parts of cellulose fibers based on 100 mass parts of the thermoplastic resin, wherein, in planar view observation, a total area of aggregates of the cellulose fibers is 1.00 mm2/cm2 or less; a method of producing this cellulose fiber reinforced resin composition; and a cellulose fiber reinforced resin formed body.

公开(公告)号：US20200224008A1

公开(公告)日：2020-07-16

申请号：US16833071

申请日：2020-03-27

Applicant: Furukawa Electric Co., Ltd.

Inventor： Jaekyung KIM ,  Kenichi SUYAMA ,  Yasuo NAKAJIMA ,  Eiji KOZAWA

IPC: C08L1/02 ,  C08L101/02

Abstract: The present disclosure relates to a molded article provided with a resin part formed with a thermoplastic resin composition. The thermoplastic resin composition containing thermoplastic resins and cellulose, wherein at least one of the thermoplastic resins is a resin having in a polymer molecule at least one group selected from a group containing a partial structure of an acid anhydride and a group containing an acylated cellulose structure.

公开(公告)号：US20190031858A1

公开(公告)日：2019-01-31

申请号：US16144304

申请日：2018-09-27

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Eiji KOZAWA ,  Takeshi YAGI ,  Yasuo NAKAJIMA ,  Jae Kyung KIM

IPC: C08L1/02 ,  C08L23/06

Abstract: A thermoplastic resin composition, containing a thermoplastic synthetic resin, a cellulose and an ionic compound; in which a content of the cellulose is from 1 to 100 parts by mass, with respect to 100 parts by mass of the thermoplastic synthetic resin, and a content of the ionic compound is 0.001 times or more and less than 1.000 time of the content of the cellulose; a method of producing a thermoplastic resin composition; a molded article of a cellulose-reinforced resin; and a method of producing a molded article of a cellulose-reinforced resin.

公开(公告)号：US20190023877A1

公开(公告)日：2019-01-24

申请号：US16143846

申请日：2018-09-27

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Eiji KOZAWA ,  Takeshi YAGI ,  Yasuo NAKAJIMA ,  Jae Kyung KIM

IPC: C08L1/02 ,  C08J3/00 ,  C08J5/00 ,  C08L23/06 ,  C08L23/16

Abstract: A method of producing a thermoplastic resin composition containing a thermoplastic synthetic resin and a cellulose, in which at least one type of the thermoplastic synthetic resin is a resin having a group containing a partial structure of an acid anhydride in the polymer molecule; a molded article of a cellulose-reinforced resin; and a method of producing a molded article of a cellulose-reinforced resin.

公开(公告)号：US20220025133A1

公开(公告)日：2022-01-27

申请号：US17483971

申请日：2021-09-24

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Yukihiro IKURA ,  Mayu SATAKE ,  Suzune ITO ,  Yasuo NAKAJIMA ,  Kenichi SUYAMA ,  Jae Kyung KIM ,  Hiroki TANAKA ,  Isao TOMOMATSU

IPC: C08J5/04 ,  B29B7/00 ,  B29B7/82

Abstract: An organic fiber-reinforced resin formed body that contains a resin and a cellulose fiber, wherein the resin formed body has a density of 0.65 g/cm3 or less, and a method for producing the same.