Aliphatic polyester resin composition and sheets, films or other products molded by the resin
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United States of America Patent
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Feb 23, 2010
Grant Date -
Oct 2, 2008
app pub date -
Mar 2, 2006
filing date -
Mar 16, 2005
priority date (Note) -
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Abstract
Provided is a thermoplastic resin composition, in particular, an aliphatic polyester resin composition comprising a plasticizer which is soft, exhibits high transparency, is reduced in bleeding out and exhibits high resistance to the extraction by a paraffinic solvent; and a sheet, a film or a molded article formed from the thermoplastic resin composition. An aliphatic polyester resin composition, characterized in that it comprises 100 parts by mass of an aliphatic polyester and, as a plasticizer, 1.0 to 100 parts by mass of a specific ester compound which is an ester formed from a trivalent polyhydric alcohol and an acyl group derived from a carboxylic acid having 2 to 18 carbon atoms and has an average acylation degree of 50 to 90%.
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