Emulsion composition for silicone rubber sponge, process for producing the same, and process for producing silicone rubber sponge
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United States of America Patent
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Jul 24, 2012
Grant Date -
Jan 24, 2008
app pub date -
Mar 5, 2004
filing date -
Mar 5, 2004
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Abstract
A silicone rubber sponge emulsion composition comprising (A) (a) a liquid diorganopolysiloxane having at least two alkenyl groups per molecule, or a paste-like mixture of (a) a liquid diorganopolysiloxane having at least two alkenyl groups per molecule and (d) a reinforcing filler, (b) an organopolysiloxane having at least two silicon-bonded hydrogen atoms per molecule, and (c) a platinum catalyst, (B) an aqueous solution of a water-soluble polymer, and (C) an emulsifying agent; its production; and production of silicone rubber sponge, wherein silicone rubber sponge is obtained by curing the composition into a molding and heating the molding.
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