BIODEGRADABLE POLYESTER RESIN COMPOUND FOR FOAMING AND FOAM OBTAINED THEREFROM
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United States of America Patent
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Nov 10, 2016
app pub date -
Dec 10, 2014
filing date -
Dec 30, 2013
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Disclosed are a biodegradable polyester resin compound for foaming and a foamed article obtained therefrom. The disclosed biodegradable polyester resin compound for foaming is obtained by melt-kneading a biodegradable polyester resin and a multifunctional chain extender, wherein the biodegradable polyester resin has a melt index (MI) in a range of about 5 g/10 min to about 15 g/10 min as measured according to ASTM D1238 at a temperature of about 190° C. and under a load of about 2.16 kg, and the amount of the multifunctional chain extender is in a range of 0.3 parts by weight to 1.0 parts by weight based on 100 parts by weight of the biodegradable polyester resin.
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