Polylactic Acid Based Heat-Resistant Sheet
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United States of America Patent
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Issued Date -
Jul 23, 2009
app pub date -
May 31, 2007
filing date -
Jun 2, 2006
priority date (Note) -
Abandoned
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Abstract
Disclosed is a polylactic acid based heat-resistant sheet suitable for molding. The polylactic acid based heat-resistant sheet containing 50 to 95% by mass of a polylactic acid and 5 to 50% by mass of a polylactic acid-based copolymer which contains 30 to 70% by mole of a lactic acid component. The polylactic acid based heat-resistant sheet has a crystallization peak temperature of 60 to 120° C., a heat quantity of crystallization of 10 to 25 J/g, a melting point of 160° C. or higher and a heat quantity of crystal fusion of 15 to 40 J/g, as measured with a differential scanning calorimeter at a temperature increase rate of 20° C./min.
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