STORAGE STABLE, FOAMABLE TWO-PART POLYORGANOSILOXANE COMPOSITIONS

STORAGE STABLE, FOAMABLE TWO-PART POLYORGANOSILOXANE COMPOSITIONS

STORAGE STABLE, FOAMABLE TWO-PART POLYORGANOSILOXANE COMPOSITIONS Polyorganosiloxane foams are obtained by blending, dispensing and curing two-part polyorganosiloxane compositions comprising a liquid hydroxyl endblocked polydimethylsiloxane, a liquid alkyl orthosilicate as the curing agent, a cataly...

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Bibliographische Detailangaben
Hauptverfasser: LEE, CHI-LONG, RABE, JAMES A
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
WORKING-UP
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Beschreibung
Zusammenfassung:STORAGE STABLE, FOAMABLE TWO-PART POLYORGANOSILOXANE COMPOSITIONS Polyorganosiloxane foams are obtained by blending, dispensing and curing two-part polyorganosiloxane compositions comprising a liquid hydroxyl endblocked polydimethylsiloxane, a liquid alkyl orthosilicate as the curing agent, a catalytically effective amount of a tin compound, a blowing agent and, as a foam stabilizer, a resinous organosiloxane copolymer comprising trimethylsiloxy units, SiO4/2 units and a specified class of fluorinecontaining organosiloxane units.