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.

公开(公告)号：US20230159714A1

公开(公告)日：2023-05-25

申请号：US18095929

申请日：2023-01-11

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Mayu SATAKE ,  Yukihiro IKURA ,  Suzune ITO ,  Yasuo NAKAJIMA ,  Kenichi SUYAMA ,  Hiroki TANAKA ,  Isao TOMOMATSU ,  Yui HAMURO

IPC: C08J5/04

CPC classification number: C08J5/045 ,  C08J2401/02 ,  C08J2323/12

Abstract: A cellulose fiber reinforced resin formed body, which is obtained by molding a cellulose fiber reinforced resin composition containing a polypropylene resin, an alkoxysilane-modified polypropylene resin, and a cellulose fiber; 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：US20210198462A1

公开(公告)日：2021-07-01

申请号：US17199859

申请日：2021-03-12

Applicant: FURUKAWA ELECTRIC CO., LTD.

Inventor： Jae Kyung KIM ,  Kenichi SUYAMA ,  Suzune ITO ,  Yukihiro IKURA

IPC: C08L23/12

Abstract: A resin formed body, having a diffraction peak at a position where a scattering vector s is 3.86±0.1 nm−1 in a wide-angle X-ray diffraction measurement, and having at least one melting peak each at respective regions of 129° C. or lower and 159° C. or higher in a differential scanning calorimetry, and with which a peak of tan δ is observed in a range of −40±10° C. in a dynamic viscoelastic measurement, and a resin composition suitable for preparing the same.