ELASTOMER COMPOSITION

FIELD: polymer materials. ^ SUBSTANCE: invention relates to a composition appropriate for manufacturing air bladder, which composition comprises at least one butyl rubber, rubber extender, polybutylene softener having number average molecular mass at least 700 and viscosity at 100°C within a range o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TREJSI DONALD S, UEHDDELL UOLTER KH, DZHONS GLENN EH
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DEVICES OR ARRANGEMENTS RELATED TO TYRES 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 USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS VEHICLE TYRES VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	FIELD: polymer materials. ^ SUBSTANCE: invention relates to a composition appropriate for manufacturing air bladder, which composition comprises at least one butyl rubber, rubber extender, polybutylene softener having number average molecular mass at least 700 and viscosity at 100°C within a range of 10 to 6000 cSt, and at least one curing agent. Composition contains no semicrystalline polymers. Extender can be selected from materials such as calcium carbonate, clay, mica, carbon black, and mixtures thereof. Air permeability of cured compositions of invention ay 65°C lies within a range of 1 to 4.5.10-8 cm3.cm/cm2.s.at. ^ EFFECT: improved antiaging properties of air bladder. ^ 20 cl, 6 tbl