Title:
ポリビニルアルコール系フィルム
Document Type and Number:
Japanese Patent JP7352469
Kind Code:
B2
Abstract:
The present invention is a polyvinyl alcohol-based film comprising a polyvinyl alcohol resin, having tan δ of 0.20 or less at 30°C in a width direction of the film under an air atmosphere of a relative humidity of 50% RH, and a storage modulus of 11.2 × 106 to 20 × 106 Pa at 140°C in the width direction of the film under a dry atmosphere. According to the present invention, a polyvinyl alcohol-based film having good formability can be provided.
More Like This:
Inventors:
Yasushi Ieda
Application Number:
JP2019554712A
Publication Date:
September 28, 2023
Filing Date:
July 24, 2019
Export Citation:
Assignee:
Sekisui Chemical Co.,Ltd.
International Classes:
C08J5/18; A61J1/03; A61J1/10; C08L29/04
Domestic Patent References:
| JP2000109574A | ||||
| JP9324096A | ||||
| JP2003206380A | ||||
| JP2005179390A | ||||
| JP2017119851A |
Foreign References:
| WO2017043511A1 | ||||
| WO2016167135A1 | ||||
| US20170355938 |
Attorney, Agent or Firm:
Masahiro Taguchi
Shigeo Torayama
Shigeo Torayama