Curable composition based on oxypropylene polymer
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United States of America Patent
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May 4, 1999
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N/A
app pub date -
Sep 5, 1995
filing date -
Sep 9, 1991
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Abstract
A curable composition is disclosed and comprises the following components. (A) 100 parts by weight of a oxypropylene polymer having a polymer main chain containing a repeating unit represented by the following formula ##STR1## and having at least one group containing a silicon atom bonded to a hydroxyl group and/or a hydrolyzable group and capable of crosslinking by forming a siloxane bond, wherein Mw/Mn thereof is not more than 1.6 and the number average molecular weight is at least 6,000, (B) from 1 to 200 parts by weight of a filler having a BET specific surface area of not higher than 10 m.sup.2 /g, and (C) from 0.1 to 20 parts by weight of a curing catalyst, said composition containing substantially no plasticizer.
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