Random siloxane copolymer, process for production thereof, and resin composition containing the copolymer
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United States of America Patent
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Aug 15, 2000
Grant Date -
N/A
app pub date -
Feb 26, 1998
filing date -
Jun 6, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a siloxane random copolymer having a repeating unit represented by the following general formula (I) (II) and (III) at random and a resin composition containing the same. ##STR1## Further, the invention relates to a process of producing a siloxane copolymer comprising the step of reacting at least one polycarbonate and/or dicarbonate of diol and, if needed, at least one diester of dicarboxylic acid with at least one specified silicon compound in the presence of an esterifying or ester exchange catalyst.
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