FLAME-RETARDANT RUBBER COMPOSITION AND EXTERNAL DIAPHRAGM FOR RAILROAD CAR

Provided is a flame-retardant rubber composition including the following components (A) to (D): (A) An olefin-based rubber, (B) An acid-modified polyolefin, (C) A metal hydroxide, and (D) A cross-linking agent for the component (A) .A content of the component (C) with respect to 100 parts by weight...

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Hauptverfasser: YAMAMOTO, Kenji, MURATANI, Keiichi
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creator YAMAMOTO, Kenji
MURATANI, Keiichi
description Provided is a flame-retardant rubber composition including the following components (A) to (D): (A) An olefin-based rubber, (B) An acid-modified polyolefin, (C) A metal hydroxide, and (D) A cross-linking agent for the component (A) .A content of the component (C) with respect to 100 parts by weight of a total content of the component (A) and the component (B) falls within a range of from 100 parts by weight to 350 parts by weight. Also provided is an external diaphragm for railroad cars including a cross-linked product of the flame-retardant rubber composition. Thus, there can be provided a flame-retardant rubber composition excellent in rubber physical properties, such as tensile strength and breaking elongation, and durability, and also excellent in flame retardancy, and an external diaphragm for railroad cars obtained using the flame-retardant rubber composition.
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Also provided is an external diaphragm for railroad cars including a cross-linked product of the flame-retardant rubber composition. 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Also provided is an external diaphragm for railroad cars including a cross-linked product of the flame-retardant rubber composition. 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subjects CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
title FLAME-RETARDANT RUBBER COMPOSITION AND EXTERNAL DIAPHRAGM FOR RAILROAD CAR
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