Polymerization of alpha-methylstyrene
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United States of America Patent
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Nov 18, 2003
Grant Date -
Jul 17, 2003
app pub date -
Dec 18, 2001
filing date -
Dec 18, 2001
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Abstract
A process for producing polymers of .alpha.-methylstyrene uses tin IV chloride as a polymerization initiator. Use of tin IV chloride as an initiator allows polymerization to proceed without purification of the monomer prior to processing. Polymerization can be carried out at ambient temperatures with mild exotherms and good polymer yields. The process uses solvents commonly found in a plant producing .alpha.-methylstyrene.
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