Zinc-containing solid catalyst, process of preparing same and process for preparing polyalkylene carbonate
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United States of America Patent
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Jan 1, 1991
Grant Date -
N/A
app pub date -
Aug 3, 1989
filing date -
Aug 9, 1988
priority date (Note) -
Expired
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Abstract
According to the present invention, a zinc-containing solid catalyst prepared by contacting zinc oxide with an organic dicarboxylic acid in the presence of or in the absence of an organic solvent under a mechanical pulverization treatment is provided. The catalyst is in a good pulverized state and exhibits a high catalytic activity for polymerization of carbon dioxide with an epoxide to obtain a polyalkylene carbonate.
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