High consistency organosiloxane elastomer compositions curable by a platinum-catalyzed hydrosilation reaction

High consistency organosiloxane elastomer compositions curable by a platinum-catalyzed hydrosilation reaction

The presence of an incompatible liquid, polydiorganosiloxane wherein from 1 to 30 percent of the siloxane units contain an ethylenically unsaturated hydrocarbon radical in high-consistency organosiloxane compositions that cure by a platinum-catalyzed hydrosilation reaction substantially improves the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: MAXSON, MYRON TIMOTHY
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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:The presence of an incompatible liquid, polydiorganosiloxane wherein from 1 to 30 percent of the siloxane units contain an ethylenically unsaturated hydrocarbon radical in high-consistency organosiloxane compositions that cure by a platinum-catalyzed hydrosilation reaction substantially improves the tear strength and elongation of cured elastomers prepared from these compositions.