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Title:
CATALYST FOR POLYESTER POLYMERIZATION, AND POLYESTER RESIN AND METHOD FOR PRODUCING THE SAME
Document Type and Number:
Japanese Patent JP2020002190
Kind Code:
A
Abstract:
To provide a catalyst for polyester polymerization which can obtain a polyester resin that has high safety, is inexpensive, has high catalyst activity and is excellent in appearance.SOLUTION: A polyester resin is produced using a catalyst for polyester polymerization formed of a polymer that contains a monomer unit represented by the following formula (1) and has a weight average molecular weight (Mw) of 2,000-200,000. In formula (1), X and Y are each independently N or CH, Z is N-Ror S. Ris a hydrogen atom or a hydrocarbon group having 1-16 carbon atoms.SELECTED DRAWING: None

Inventors:
MORI HIDEHARU
SAKANO TAKESHI
KAWAI HIROSHI
Application Number:
JP2018120166A
Publication Date:
January 09, 2020
Filing Date:
June 25, 2018
Export Citation:
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Assignee:
KURARAY CO
International Classes:
C08G63/82; C08F26/06; C08G63/181
Attorney, Agent or Firm:
Setouchi International Patent Office