Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
MARINE DEGRADABLE POLYESTER RESIN COMPOSITION, MOLDED BODY MADE THEREOF AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2023/190104
Kind Code:
A1
Abstract:
The marine degradable polyester resin composition of the present invention, which is a resin composition comprising mainly a polyester and containing a phosphite degradation accelerator, is characterized in that the phosphite degradation accelerator is a compound represented by chemical formula (I). Furthermore, it is preferred that the phosphite degradation accelerator is a dialkyl pentaerythritol diphosphite, that the polyester resin composition is an aliphatic polyester, or that the polyester resin composition is poly-L-lactic acid or poly-D-lactic acid having an optical purity of 90% or higher. The polyester resin molded body of the present invention is characterized by being made of the aforesaid marine degradable polyester resin composition.

Inventors:
IWAI MASAHIRO (JP)
SUMITOMO RYUHEI (JP)
YONEDA HIROYUKI (JP)
Application Number:
PCT/JP2023/011698
Publication Date:
October 05, 2023
Filing Date:
March 24, 2023
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
TEIJIN LTD (JP)
TEIJIN FRONTIER CO LTD (JP)
International Classes:
C08L67/00; C08K5/524; C08L67/04; C08L85/02; D01F6/62; D01F6/92
Domestic Patent References:
WO2014112479A12014-07-24
WO2006118096A12006-11-09
Foreign References:
JP2001049097A2001-02-20
JP2005226183A2005-08-25
JP2000345432A2000-12-12
Attorney, Agent or Firm:
TAMEYAMA Taro (JP)
Download PDF: