Method of preparing monomer-grafted syndiotactic polystyrene with polarity
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United States of America Patent
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Jul 27, 2004
Grant Date -
Aug 21, 2003
app pub date -
Jan 10, 2003
filing date -
Jun 2, 2000
priority date (Note) -
Expired
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Abstract
The present invention provides a method of preparing a monomer-grafted syndiotactic polystyrene with polarity, which comprises (a) forming swollen syndiotactic polystyrene by mixing with a syndiotactic polystyrene in powder state and a radical initiator in a solvent at the temperature of 40-80.degree. C. using a batch reactor, and (b) grafting a monomer selected from the group consisting of maleic anhydride, maleic imide and derivatives thereof onto the swollen syndiotactic polystyrene.
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