Silyl group containing organic polymers
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United States of America Patent
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May 6, 1997
Grant Date -
N/A
app pub date -
Nov 30, 1995
filing date -
Dec 1, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Polymers are prepared by reaction between a polymer prepared by reaction between (A) an OH terminated reaction product of a polyacid chloride and an organic polymer having substituent groups condensable therewith and (B) a silane or siloxane having a group capable of reaction with substituent groups of the reaction product (A). Reaction product (A) is preferably derived from a polyoxyalkylene glycol and a diacid chloride. Silane or siloxane (B) is preferably an epoxy silane and preferably has at least one silicon- bonded hydrolysable group. Preferred polymers are employed in moisture curable composition, e.g. as sealants.
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