Process for purification of syndiotactic styrene polymer
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United States of America Patent
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May 30, 1995
Issued Date -
N/A
app pub date -
Mar 21, 1994
filing date -
Jul 28, 1989
priority date (Note) -
Expired
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Abstract
A process for the purification of a styrene polymer having a high degree of syndiotactivity. The styrene polymer is obtained by carrying out polymerization with a catalyst comprising (A) an aluminoxane and (B) a transition metal compound, which does not contain halogen. The styrene polymer is deashed with an alcoholic alkaline solution and then washed with an alcohol.
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