Aliphatic polyester resin composition and sheets, films or...

Details Aliphatic polyester resin composition and sheets, films or... Aliphatic polyester resin composition and sheets, films or...

2006-03-02

2010-02-23

Gulakowski, Randy (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C524S315000

Reexamination Certificate

active

07666934

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%.

REFERENCES:
patent: 6720374 (2004-04-01), Sashida et al.
patent: 1 270 659 (2003-01-01), None
patent: 2002-060606 (2002-02-01), None
patent: 2004-238579 (2004-08-01), None

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