PROCESS FOR FORMING BIODEGRADEABLE POLYESTERS BY REACTIVE EXTRUSION
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United States of America Patent
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app pub date -
Apr 11, 2008
filing date -
Apr 22, 2002
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Abandoned
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Abstract
Described is a process for increasing the molecular weight of a composition of one or more biodegradable aliphatic and/or aliphatic-aromatic thermoplastic polyesters of the dicarboxylic acid/diol type, comprising the reactive extrusion of said polyesters with organic peroxides; and a composition obtained by the process.
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