The Furukawa Electric Co., Ltd.

Furukawa Electric Power Systems Co., Ltd.

Masami Tazuke

Toshihiro Suzuki

Hidekazu Hara

Jirou Hiroishi

Yuka Sawada

Jae Kyung Kim

Shingo Mitsugi

Masato Ikeuchi

Jiro Sakato

Yasuo Nakajima

Yutaka Suzuki

Eiji Kozawa

Hironobu Hirano

Kyosuke Yamazaki

Kentaro Yabunaka

A fiber-dispersed resin composite material, containing fiber dispersed in a resin, wherein the content of the fiber in the fiber-dispersed resin composite material is 1 mass % or more and less than 70 mass %, and wherein the fiber-dispersed resin composite material has a maximum color difference A determined under conditions below of 0.05 or more and 6 or less: <Conditions> L*, a*, and b* values in CIE (L*a*b*) color space are measured on a straight line at 8 points with an interval of 1 cm by using a chromameter, and a color difference ΔE1 between measurement points linearly adjacent to each other is calculated by [Expression 1-1] below while a maximum value among 7 calculated values for the resulting color difference ΔE1 is set as the maximum color difference A,

Fiber-dispersed resin composite material, molding, and composite member

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&#x3e;half-width (Log(MH/ML))&#x3e;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.

Cellulose-fiber dispersion polyethylene resin composite material, formed body and pellet using same, production method therefor, and recycling method for cellulose-fiber adhesion polyethylene thin film piece

A laminate, containing two or more polyolefin resin layers,

Laminate

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 [%])&#x3c;(Cellulose effective mass ratio [%])&#xd7;0.01;

Cellulose-fiber-dispersing polyolefin resin composite material, pellet and formed body using same, and production method for cellulose-fiber-dispersing polyolefin resin composite material

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)&#x3c;&#x2212;0.003&#xd7;(Cellulose effective mass ratio of the cellulose-fiber-dispersing polyolefin resin composite material)+0.3, [Test Conditions for Abrasion Test] Load: 1.7 kg, Needle diameter: &#x3c6;0.45 mm, Stroke length: 10 mm, Period: 60 reciprocations/min, Test piece: length 38 mm&#xd7;width 6 mm&#xd7;thickness 1 mm, Temperature: 23&#xb0; C.

Cellulose-fiber-dispersing polyolefin resin composite material

A cellulose-aluminum-dispersing polyethylene resin composite material, in which a cellulose fiber and aluminum are dispersed into a polyethylene resin, wherein a proportion of the 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

Cellulose-aluminum-dispersing polyethylene resin composite material, pellet and formed body using same, and production method therefor

A cellulose-fiber dispersion polyethylene resin composite material, formed by dispersing a cellulose fiber into a polyethylene resin, wherein a proportion of the 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 wherein water absorption ratio satisfies the following formula; and a formed body and a pellet using the same, a production method therefor, and a recycling method for a cellulose-fiber adhesion polyethylene thin film piece.(water absorption ratio)&#x3c;(cellulose effective mass ratio)&#xd7;0.01&#x2003;&#x2003;[Formula].

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&#x2265;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 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&#xb0; 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&#xb0; C. or less.

Growing community of inventors

Tokyo, Japan

Masami Tazuke