Silicone foams
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United States of America Patent
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-
Oct 6, 1992
Grant Date -
N/A
app pub date -
Mar 12, 1992
filing date -
Mar 13, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A multi-component foamable silicone composition is described and claimed which is capable of curing quickly at 20.degree. C. to provide a low density foamed mass. The composition comprises (A) one or more polydiorganosiloxanes having not less than three alkyl-hydrogensiloxane units per molecule, (B) one or more polydiorganosiloxanes having not less than two alkenyl-siloxane units (C) a liquid alcohol, (D) a fluorinated silicone foam stabilizing material and (E) a platinum catalyst for promoting reaction between the components. The composition may be packaged as two or more individually stable parts of substantially equal volume and viscosity each in a receptacle of material which is adapted to be opened by rupture so as to release the components for admixture. The composition is intended for use in forming a foam medical dressing by dispensing onto a surface e.g. an open wound and allowing the composition to cure at room temperature.
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