Branching polylactide by reacting OH or COOH polylactide with epoxide acrylate (co)polymer
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United States of America Patent
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Jul 28, 2009
Grant Date -
Feb 28, 2008
app pub date -
Jun 23, 2005
filing date -
Jun 23, 2004
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Abstract
Polylactide polymers are reacted with an epoxy-functional acrylate polymer to introduce long-chain branching into the polymer. The acrylate polymer provides a flexible means for introducing a controllable amount of branching into the polylactide polymer, with little risk of forming gelled or highly crosslinked structures. The branched polylactide polymers have excellent melt rheological properties that make them more easily processable in various melt-processing applications.
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