METHOD FOR PRODUCING RUBBER FOAM FOR TIRE

PROBLEM TO BE SOLVED: To provide a method for producing a rubber foam for a tire, for easily molding a rubber foam having open cells.SOLUTION: The method comprises: molding an unvulcanized tire by using an unvulcanized rubber sheet which is prepared by molding a rubber composition containing 10 to 1...

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Bibliographische Detailangaben
1. Verfasser:	SAKAI SATOYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DEVICES OR ARRANGEMENTS RELATED TO TYRES GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TYRE CHANGING OR REPAIRING TYRE INFLATION USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS VEHICLE TYRES VEHICLES IN GENERAL WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method for producing a rubber foam for a tire, for easily molding a rubber foam having open cells.SOLUTION: The method comprises: molding an unvulcanized tire by using an unvulcanized rubber sheet which is prepared by molding a rubber composition containing 10 to 150 parts by weight of a filler, 10 to 150 parts by weight of water-soluble fine particles and 0.5 to 20 parts by weight of a chemical foaming agent based on 100 parts by weight of a diene rubber; vulcanizing and molding the unvulcanized tire at a temperature equal to or higher than the decomposition temperature of the chemical foaming agent; and then dissolving and removing the water-soluble fine particles to form the open cells.