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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Bibliographische Detailangaben
Hauptverfasser:	YAMAMOTO, Kenji, MURATANI, Keiichi
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	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
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Beschreibung
Zusammenfassung:	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.