Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
METHOD FOR PREPARING POLYESTER POLYOL
Document Type and Number:
WIPO Patent Application WO/2020/097879
Kind Code:
A1
Abstract:
Disclosed by the present application is a method for preparing a polyester polyol, comprising the step of carrying out a transesterification reaction on a raw material containing an inorganic oxyacid ester and a polyol to obtain the polyester polyol. The polyester polyol obtained by the method described in the present application has high heat resistance.

More Like This:
JP2010235941AROMATIC POLYESTER, AND POLYESTER MOLDED ARTICLE COMPRISING THE SAME
WO/2013/012706COLOR-STABILIZED BIODEGRADABLE ALIPHATIC-AROMATIC COPOLYESTERS, METHODS OF MANUFACTURE, AND ARTICLES THEREOF
JP4794096Method for producing glycolic acid-based copolymer
Inventors:
YUAN DANHUA (CN)
XING JIACHENG (CN)
XU YUNPENG (CN)
LIU ZHONGMIN (CN)
Application Number:
PCT/CN2018/115722
Publication Date:
May 22, 2020
Filing Date:
November 15, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
DALIAN INST CHEM & PHYSICS CAS (CN)
International Classes:
C08G63/84
Domestic Patent References:
WO2002059178A12002-08-01
Foreign References:
CN101735436A2010-06-16
CN101747499A2010-06-23
JPH06122756A1994-05-06
GB2360777A2001-10-03
CN106660252A2017-05-10
Other References:
"Synthesis and properties of acrylpimaric acid polyester polyol[J", CHEMISTRY AND INDUSTRY OF FOREST PRODUCTS, no. 02, 1999, pages 63 - 67
Attorney, Agent or Firm:
PERIODIC LAW FIRM (CN)
Download PDF:
View/Download PDF      PDF Help



 
Previous Patent: METHOD FOR PREPARATION OF HIERARCHICAL TS-1 MOLECULAR SIEVE

Next Patent: MACROMOLECULAR ULTRAVIOLET ABSORBENT, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF