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Title:
POLYLACTIC ACID RESIN COMPOSITION, MOLDED BODY THEREOF AND POLYLACTIC ACID COMPOUND
Document Type and Number:
WIPO Patent Application WO/2008/013059
Kind Code:
A1
Abstract:
Disclosed is a resin composition which is improved in heat resistance (high crystallinity) and transparency without deteriorating toughness intrinsic to polylactic acid resins. Also disclosed are a molded body obtained from such a resin composition, and a novel polylactic acid compound used in such a resin composition. Specifically disclosed is a polylactic acid resin composition characterized by containing a linear polylactic acid compound (A) having a moiety represented by the following formula (1): -X1-R1-X2- and a weight average molecular weight (Mw) of 5,000-500,000. In the formula (1), X1 and X2 independently represent an O atom, an S atom or an NH group, and R1 represents a divalent group containing at least one aromatic ring or aliphatic ring. The hydrocarbon group may contain an O, N or S atom.

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Inventors:
URAKAMI TATSUHIRO (JP)
HIGUCHI CHOUJIROU (JP)
Application Number:
PCT/JP2007/063844
Publication Date:
January 31, 2008
Filing Date:
July 11, 2007
Export Citation:
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Assignee:
MITSUI CHEMICALS INC (JP)
URAKAMI TATSUHIRO (JP)
HIGUCHI CHOUJIROU (JP)
International Classes:
C08L67/04; C08G63/06; C08J5/00; C08K5/20; C08L101/16
Foreign References:
JPH09158021A1997-06-17
JP2000344877A2000-12-12
JPH10182801A1998-07-07
JPH08199054A1996-08-06
JP2006016605A2006-01-19
JP2006335904A2006-12-14
JP2007091769A2007-04-12
JP2007016091A2007-01-25
JP2003192884A2003-07-09
JPH09278991A1997-10-28
JP2004285121A2004-10-14
EP0780428A11997-06-25
Other References:
See also references of EP 2050789A4
Attorney, Agent or Firm:
SUZUKI, Shunichiro (Gotanda Yamazaki Bldg. 6F13-6, Nishigotanda 7-chome,Shinagawa-ku, Tokyo 31, JP)
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