Title:
VINYL ALCOHOL-VINYL ACETATE COPOLYMER
Document Type and Number:
Japanese Patent JP2023041845
Kind Code:
A
Abstract:
To provide: a vinyl alcohol-vinyl acetate copolymer which has excellent solubility and enables production of a film having high flexibility, mechanical strength, and sticking property; and a production method of the vinyl alcohol-vinyl acetate copolymer.SOLUTION: Provided is a vinyl alcohol-vinyl acetate copolymer comprising units formed of vinyl alcohol and units formed of vinyl acetate, where a triad unit chain ratio, TOO, obtained using the following formula (1) is 7.5 or less. In the formula (1), VOH Content represents a content of units formed of vinyl alcohol, Vac Content represents a content of units formed of vinyl acetate, OOO Content Ratio represents a content ratio of OOO triad chain, and AOO content ratio represents a content ratio of AOO triad chain.SELECTED DRAWING: None
Inventors:
Right hand Koichi
Tomohiro Hirano
Miyuki Oshimura
Yasunari Kusaka
Yohei Nishimura
Misaki Senoo
Tomohiro Hirano
Miyuki Oshimura
Yasunari Kusaka
Yohei Nishimura
Misaki Senoo
Application Number:
JP2023014060A
Publication Date:
March 24, 2023
Filing Date:
February 01, 2023
Export Citation:
Assignee:
Tokushima University
Sekisui Chemical Co.,Ltd.
Sekisui Chemical Co.,Ltd.
International Classes:
C08F218/08; C08F8/12
Attorney, Agent or Firm:
Patent Attorney Firm WisePlus