POLYLACTIC ACID-BASED RESIN EXPANDED BEADS AND MOLDED ARTICLE THEREOF
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United States of America Patent
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Issued Date -
Aug 21, 2014
app pub date -
Aug 30, 2012
filing date -
Sep 28, 2011
priority date (Note) -
Abandoned
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Abstract
Polylactic acid-based resin expanded beads of the present invention are obtained by releasing a softened, pressurized foamable resin composition, which comprises a polylactic acid-based resin and a physical blowing agent, to a low pressure atmosphere to foam and expand the resin composition, wherein the polylactic acid-based resin satisfies the conditions (1) to (3) shown below, and exhibits excellent secondary expansion properties and fusion bonding properties. A polylactic acid-based resin expanded beads molded article obtained by in-mold molding of the polylactic acid-based resin expanded beads exhibits excellent mechanical properties.
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