Reduction of catalyst usage in epoxide/CO.sub.2 polymerization
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United States of America Patent
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Dec 6, 1988
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N/A
app pub date -
Dec 18, 1987
filing date -
Dec 18, 1987
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Expired
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Abstract
The catalyst efficiency of zinc carboxylate catalyst in the copolymerization of alkylene oxides with carbon dioxide to form polycarbonates has been increased by the addition of a small amount of certain diepoxides to the reaction.
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