Foamed expansion rubber sheet for automobile

The invention discloses a foamed expansion rubber sheet for an automobile. The foamed expansion rubber sheet comprises the following components in percentage by mass: 24%-30% of an adhesion layer, 35%-45% of synthetic rubber, 20%-25% of calcium carbonate, 4%-8% of a vulcanizing agent, 1%-8% of a vul...

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Bibliographische Detailangaben
Hauptverfasser:	PEI RENZHE, CAI YUEBIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DYES GENERAL PROCESSES OF COMPOUNDING METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS USE OF MATERIALS AS ADHESIVES WORKING-UP
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Beschreibung
Zusammenfassung:	The invention discloses a foamed expansion rubber sheet for an automobile. The foamed expansion rubber sheet comprises the following components in percentage by mass: 24%-30% of an adhesion layer, 35%-45% of synthetic rubber, 20%-25% of calcium carbonate, 4%-8% of a vulcanizing agent, 1%-8% of a vulcanizing aid, 1%-3% of carbon black, 0.5%-1.5% of a foaming agent and 0.1%-0.3% of an active agent. According to a new formula disclosed by the invention, by adding the vulcanizing agent, the vulcanizing aid, the foaming agent and a foaming aid according to a certain ratio, a product is heated and then is harmonically foamed and vulcanized, the effects of no flow and sufficient foaming are achieved, a cavity can be satisfactorily blocked, and the noise in the automobile is reduced.