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Patent Searching and Data


Title:
POLYVINYL ALCOHOL-BASED FILM AND POLARIZING FILM
Document Type and Number:
WIPO Patent Application WO/2020/027021
Kind Code:
A1
Abstract:
In order to obtain a polyvinyl alcohol-based film having high transparency and excellent antistatic performance, the present invention provides a polyvinyl alcohol-based film containing: a polyvinyl alcohol-based resin (A); and an ester (B) of a fatty acid (b1) having 2-4 carbon atoms and a polyhydric alcohol. The polyvinyl alcohol-based film is characterized in that the content of the abovementioned ester (B) is 1-4000 ppm.

Inventors:
KANI SHOUICHI (JP)
Application Number:
JP2019/029583
Publication Date:
February 06, 2020
Filing Date:
July 29, 2019
Export Citation:
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Assignee:
MITSUBISHI CHEM CORP (JP)
International Classes:
C08L29/04; C08J5/18; C08K5/053; C08K5/103; G02B5/30
Foreign References:
JP2001072710A2001-03-21
JP2008184614A2008-08-14
JP2012058754A2012-03-22
JP2003215338A2003-07-30
JP2002155218A2002-05-28
JPS51123257A1976-10-27
JPS49131240A1974-12-16
Attorney, Agent or Firm:
SAITOH Yukihiko et al. (City Corp. Minamimorimachi 802, 2-7 Minamimorimachi 2-chome, Kita-ku, Osaka-sh, Osaka 54, 〒5300054, JP)
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