METHOD OF FOAMING A SILOXANE COMPOSITION USING MICROWAVE

A polydiorganosiloxane gum base stock can be foamed and cured by exposing to a microwave source a composition which comprises 100 parts by weight of the stock, 3 to 25 parts by weight of an organohydrogensiloxane, 0.05 to 0.5 part by weight of an acetylenic alcohol inhibitor, 1 to 200 p.p.m. platinu...

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Bibliographische Detailangaben
Hauptverfasser:	RONK, GARY M, KITTLE, RONALD E
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP
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Beschreibung
Zusammenfassung:	A polydiorganosiloxane gum base stock can be foamed and cured by exposing to a microwave source a composition which comprises 100 parts by weight of the stock, 3 to 25 parts by weight of an organohydrogensiloxane, 0.05 to 0.5 part by weight of an acetylenic alcohol inhibitor, 1 to 200 p.p.m. platinum as a platinum catalyst and from 0.25 to 30 parts by weight of a microwave sensible material. This method is particularly useful where it would be impractical or undesirable to use heat to foam and cure silicone compositions.