Elastomeric compositions and processes for their preparation

An elastomeric composition comprising a major proportion by weight of a rubber comprising a halobutyl rubber (e.g. 75 to 95%) and a minor proportion by weight (e.g. 5 to 25%) of a copolymer of an olefin, e.g. ethylene, and an unsaturated carboxylic acid e.g. acrylic acid. This composition may be cov...

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Bibliographische Detailangaben
Hauptverfasser:	COSTEMALLE, BERNARD JEAN, HOUS, PIERRE
Format:	Patent
Sprache:	eng ; fre ; ger
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 REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TYRE CHANGING OR REPAIRING TYRE INFLATION VEHICLE TYRES VEHICLES IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	An elastomeric composition comprising a major proportion by weight of a rubber comprising a halobutyl rubber (e.g. 75 to 95%) and a minor proportion by weight (e.g. 5 to 25%) of a copolymer of an olefin, e.g. ethylene, and an unsaturated carboxylic acid e.g. acrylic acid. This composition may be covulcanised with a general purpose rubber e.g. natural rubber, to which it has adequate adhesion. Thus a natural rubber tyre carcass may be covulcanised with a tyre inner liner formed of this composition.