Melt processable aliphatic polycarbonate terpolymers
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United States of America Patent
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Jul 25, 1989
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N/A
app pub date -
Mar 21, 1988
filing date -
Mar 21, 1988
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Expired
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Abstract
The addition of a small amount of a second epoxide to the copolymerization of ethylene oxide or propylene oxide with carbon dioxide can give a melt processable polyalkylene carbonate terpolymer which can be processed without extensive thermal decomposition. This invention has particular utility in thermoplastic applications such as injection molding, blow molding, and film manufacture.
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