The Furukawa Electric Co., Ltd.

Teijin Chemicals Limited

Riken Technos Corporation

Ube Industries, Inc.

Masaki Nishiguchi

Arifumi Matsumura

Dai Hashimoto

Toshimasa Tokuda

Hidekazu Hara

Hitoshi Yamada

Masayoshi Tsukamoto

Tetsuya Yasutomi

Masanobu Aragaki

Mitsuru Iwano

Yoshihisa Rintsu

Hiroki Chiba

Kazuhiko Kobayashi

Michihisa Tasaka

Kiyoshi Saito

Kazuo Chiba

Kouji Iwata

Takanori Yamazaki

Ryoji Ohno

Shinzo Saito

Yoshihiro Inuizawa

Koichi Mizuno

Yoshiaki Ohishi

Michio Yamaguchi

Shinnichi Kishimoto

Ken Okubo

Yasuhiro Kamei

Shinichi Irie

A composite cable includes a sheath surrounding an outer surface of a core at least including a plurality of thick electric wires each having a resin layer on an outer circumference of a conductor, and a plurality of thin electric wires each having a resin layer on an outer circumference of a conductor, in which the sheath includes a resin composition including base resin containing at least one type of ethylene rubber and styrene elastomer at 10 to 50 mass %.

Composite cable

A method of producing a heat-resistant crosslinked fluororubber formed body, including: step (1) melt-mixing, with respect to 100 mass parts of base rubber containing 60 to 99 mass % of fluororubber and 1 to 40 mass % of ethylene-based copolymer resin modified with unsaturated carboxylic acid, 0.003 to 0.5 mass parts of organic peroxide, 0.5 to 400 mass parts of inorganic filler, 2 to 15 mass parts of silane coupling agent, and silanol condensation catalyst, in which the step (1) includes, step (a) melt-mixing all or part of the base rubber, the organic peroxide, the inorganic filler and the silane coupling agent at a temperature equal to or higher than a decomposition temperature of the organic peroxide, and step (b) melt-mixing a remainder of the base rubber, and the silanol condensation catalyst, to melt-mix the thus-modified ethylene-based copolymer resin in at least one of the steps (a) and (b).

Heat-resistant crosslinked fluororubber formed body and method of producing the same, silane masterbatch, masterbatch mixture, and heat-resistant product

A method of producing a heat-resistant crosslinked fluororubber formed body, including a step (1) of melt-mixing, with respect to 100 mass parts of base rubber containing 40 to 98 mass % of fluororubber and 2 to 40 mass % of ethylene/tetrafluoroethylene copolymer resin, 0.003 to 0.5 mass parts of organic peroxide, 0.5 to 400 mass parts of inorganic filler, 2 to 15 mass parts of a specific silane coupling agent, and silanol condensation catalyst, and including a step (a) of melt-mixing a part of the base rubber, the organic peroxide, the inorganic filler and the silane coupling agent at a temperature equal to or higher than a decomposition temperature of said organic peroxide, and a step (b) of melt-mixing a remainder of the base rubber, and the silanol condensation catalyst, and the fluororubber and the ethylene/tetrafluoroethylene copolymer resin are melt-mixed in any of the steps (a) and (b).

Heat-resistant crosslinked fluororubber formed body and method of producing the same, and heat-resistant product

A method of producing a heat-resistant chlorine-containing crosslinked resin formed body, formed from: Step (a) of melt-mixing, to a base resin containing a chlorinated polyethylene and a polyvinyl chloride and a plasticizer, an organic peroxide, an inorganic filler, and a silane coupling agent, at a specific ratio, at a temperature equal to or higher than a decomposition temperature of the organic peroxide; Step (b) of mixing a silane masterbatch obtained in Step (a) and a silanol condensation catalyst; and Step (c) of crosslinking by bringing a formed body obtained by Step (b) into contact with water; wherein, in Step (a), from 5 to 55 mass % of the plasticizer is contained in 100 mass % of the base resin to be used in the reaction with the silane coupling agent; the formed body produced therefrom; a silane masterbatch and a mixture thereof; and a heat resistant product.

Heat-resistant chlorine-containing crosslinked resin formed body and its production method, silane masterbatch and masterbatch mixture, and heat-resistant product

A production method comprising: (a) a step of melt-mixing a base resin containing a chlorinated polyethylene; an organic peroxide, an inorganic filler, and a silane coupling agent, in specific ratios, at a temperature equal to or higher than a decomposition temperature of the organic peroxide, to prepare a silane master batch; (b) a step of mixing the silane master batch obtained in the step (a) with a silanol condensation catalyst, and then forming the resultant mixture; and conducting at least one of the melt-mixing in the step (a) and the mixing in the step (b) is performed in the coexistence of a chloroprene rubber or a polyvinyl chloride; a heat-resistant chlorine-containing crosslinked resin formed body produced by the method, a silane master batch, a mixture and formed body thereof, and a heat-resistant product.

Heat-resistant chlorine-containing crosslinked resin formed body and method for producing the same, silane master batch, master batch mixture and formed body thereof, and heat-resistant product

A method for producing a heat-resistant crosslinked fluorocarbon rubber formed body, comprising: (a) a step of melt-kneadingtopart by mass of an organic peroxide,toparts by mass of an inorganic filler, and more thanparts by mass andparts by mass or less of a silane coupling agent, with respect toparts by mass of a base rubber containing a fluorocarbon rubber, at a temperature equal to or higher than a decomposition temperature of the organic peroxide, to prepare a silane master batch; a heat-resistant crosslinked fluorocarbon rubber formed body obtained by the method, a silane master batch, a mixture and a formed body thereof, and a heat-resistant product.

Heat-resistant crosslinked fluorocarbon rubber formed body and method for producing the same, silane master batch, master batch mixture and formed body thereof, and heat-resistant product

A flame retardant resin composition containing from 30 to 300 parts by mass of a boehmite and an aluminum hydroxide as a total with respect to 100 parts by mass of the resin, wherein a content ratio of the boehmite and the aluminum hydroxide [content of boehmite:content of aluminum hydroxide] is from 85:15 to 15:85; a formed part; and a wiring material each using the same.

Flame retardant resin composition, and formed part and wiring material each using the same

A method that has a step (a) of melt-kneading 0.003 to 0.3 part by mass of an organic peroxide, 0.5 to 400 parts by mass of an inorganic filler, and more than 2 parts by mass and 15.0 parts by mass or less of a silane coupling agent, with respect to 100 parts by mass of a resin containing a halogen-containing resin, at a temperature equal to or higher than a decomposition temperature of the organic peroxide, to prepare a silane master batch; a heat-resistant crosslinked resin formed body obtained by the method, a silane master batch, a mixture and a formed body thereof, and a heat-resistant product.

Heat-resistant crosslinked resin formed body and method for producing the same, silane master batch, master batch mixture and formed body thereof, and heat-resistant product

A method comprising at least a step of preparing a silane master batch by melt-kneading a base resin (R) containing a non-aromatic organic oil, an organic peroxide, an inorganic filler, and a silane coupling agent, in specific mass ratio, and a step of mixing the silane master batch and a silanol condensation catalyst or a silane master batch; a heat-resistant silane crosslinked resin molded body and a heat-resistant silane crosslinkable resin composition prepared by the method, and a silane master batch and a heat-resistant product.

Heat-resistant silane crosslinked resin molded body and method of producing the same, heat-resistant silane crosslinkable resin composition and method of producing the same, silane master batch, and heat-resistant product using heat-resistant silane crosslinked resin molded body

A method comprising at least a step (1) of preparing a silane master batch by melt-kneading, all or part of a polyolefin resin, an organic peroxide, an inorganic filler containing a metal hydrate and a metal carbonate, and a silane coupling agent, at a temperature equal to or higher than the decomposition temperature of the organic peroxide, and a step (3) of mixing the silane master batch and a silanol condensation catalyst or a catalyst master batch; a heat-resistant silane crosslinked resin molded body and a heat-resistant silane crosslinkable resin composition prepared by the method, and a silane master batch and a heat-resistant product.

A production method, containing the step of: mixing 0.02 to 0.6 parts by mass of an organic peroxide, 0.2 to 300 parts by mass of an inorganic filler, 2 to 15.0 parts by mass of a silane coupling agent, and a silanol condensation catalyst, based on 100 parts by mass of a polyolefin-based resin, in which the inorganic filler has an X value specified by Formula (I) satisfies 5 to 1050,&#x2003;&#x2003;Formula (I)

Crosslinked resin molded body, crosslinkable resin composition, method of producing these, silane master batch, and molded article

A method comprising at least (a) a step of preparing a silane master batch by melt-kneading, to 100 parts by mass of a base resin (R) containing a non-aromatic organic oil and ethylene rubber, an organic peroxide of from 0.01 to 0.6 parts by mass, an inorganic filler of from 10 to 400 parts by mass, and a silane coupling agent of from 1 to 15.0 parts by mass, at a temperature equal to or higher than the decomposition temperature of the organic peroxide; a heat-resistant silane crosslinked resin molded body and a heat-resistant silane crosslinkable resin composition prepared by the method, and a silane master batch and a heat-resistant product.

It is an object of the present invention to provide an optical fiber cable which can reliably prevent increased transmission loss due to damage of the optical fiber as a result of the egg-laying behavior of cicadas. The cable includes at least an optical fiber, tension membersand a sheath. The sheathhas a shore D hardness of 55 or more and a minimum distance L from a surface of the optical fiberto an outer surface of the sheathof greater than 0.3 mm. Further, in the cable, the surface of sheathhas a coefficient of friction of 0.45 or less and the sheathhas a shore D hardness of 57 or more. In addition, the cable is made by using a specific flame retardant composition (P) as the sheath material.

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Tokyo, Japan

Masaki Nishiguchi