Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
BIODEGRADABLE POLYESTER RESIN COMPOSITION, METHOD FOR PRODUCING THE SAME, AND MOLDED BODY USING THE SAME
Document Type and Number:
Japanese Patent JP2008308562
Kind Code:
A
Abstract:

To provide a biodegradable polyester resin composition excellent in flexibility, gas permeability and moist thermal stability.

The biodegradable resin composition contains a biodegradable polyester resin and a rosin alcohol alkylene oxide adduct. The rosin alcohol alkylene oxide adduct is a random copolymer having a molecular weight of larger than 5,000 to 50,000, in which the alkylene oxide is a block of at least one or two kinds selected from ethylene oxide, propylene oxide and butylene oxide.


Inventors:
KAWAHARA MITSUHIRO
NAKAI YOSHIO
UEDA KAZUE
TAKAHASHI TAKASHI
TANAKA MIKIYA
AKIMOTO MIKIO
MURAMATSU TAKASHI
OKAWA SUNAO
NAGASAWA KAZUYUKI
Application Number:
JP2007156928A
Publication Date:
December 25, 2008
Filing Date:
June 14, 2007
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
UNITIKA LTD
SHISEIDO CO LTD
TOHO CHEM IND CO LTD
International Classes:
C08L67/00; C08K3/34; C08K5/1515; C08K5/29; C08K5/353; C08K9/04; C08L67/04; C08L93/04; C08L101/16
Domestic Patent References:
JP2006193739A2006-07-27
JP2004189863A2004-07-08
Foreign References:
WO2006118096A12006-11-09
WO2003022927A12003-03-20
WO2004099315A12004-11-18
Attorney, Agent or Firm:
Yoshihiro Morimoto
Toshiji Sasahara
Yohei Harada