Easily degradable star-block copolymers
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United States of America Patent
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Mar 21, 1995
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N/A
app pub date -
Apr 21, 1994
filing date -
Apr 21, 1994
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Expired
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Abstract
Star-block copolymers containing polycaprolactone and polylactide blocks of limited molecular weight are tough, easily degradable polymers. Such copolymers, which are noncrystalline and have glass transition temperatures near or below room temperature, are useful in many packaging and other applications.
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