The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 12, 2023
Filed:
Jul. 24, 2019
Applicant:
Sekisui Chemical Co., Ltd., Osaka, JP;
Inventor:
Yasuyuki Ieda, Kyoto, JP;
Assignee:
SEKISUI CHEMICAL CO., LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 216/06 (2006.01); C08F 8/36 (2006.01); C08J 5/18 (2006.01); C08K 5/053 (2006.01); C08L 29/04 (2006.01);
U.S. Cl.
CPC ...
C08F 216/06 (2013.01); C08F 8/36 (2013.01); C08J 5/18 (2013.01); C08K 5/053 (2013.01); C08L 29/04 (2013.01); C08L 2203/16 (2013.01); C08L 2205/025 (2013.01);
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 11.2×10to 20×10Pa 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.