Foamable siloxane compositions and silicone foams prepared therefrom

U.S. Patent Number: 5708043

Abstract: Foamable organosiloxane compositions which yield, upon cure, silicone foams having low density and decreased friability, comprising a siloxane base polymer having an average of at least two hydroxyl groups per molecule; a silicon-containing crosslinker for the siloxane base polymer, wherein the crosslinker contains at least two --SiH groups per molecule; a platinum group catalyst; a silicone resin copolymer; and optionally, a blowing agent; and silicone foams prepared therefrom. A method of weather-stripping a door or window using a silicone foam so prepared.

Inventors: Loiselle; Brian Paul (Midland, MI), Rapson; Lawrence Joseph (Bay City, MI)

Assignee: Dow Corning Corporation (Midland, MI)

Application Number: 08/767,927

Issued: 1998-01-13

Expired: 2006-01-13

Classes: 521/134 ; 521/154

Field of search: 521/154,134

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