Title:
POLY(VINYL ALCOHOL) FILM, STRETCHED FILM, POLARIZING FILM, AND METHOD FOR PRODUCING POLY(VINYL ALCOHOL) FILM
Document Type and Number:
WIPO Patent Application WO/2021/006329
Kind Code:
A1
Abstract:
Provided are: a poly(vinyl alcohol) (PVA) film which is excellent in terms of stretchability and production efficiency and can give a stretched film or polarizing film having excellent formability; a stretched film and a polarizing film each produced from the PVA film; and a method for producing the PVA film. The PVA film comprises poly(vinyl alcohol) (A) and a modified conjugated-diene-based polymer (B) having a hydrophilic group.
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Inventors:
TANABE HIROFUMI (JP)
ISOZAKI TAKANORI (JP)
TORIGOE SHINICHI (JP)
OZONO TATSUYA (JP)
KODA DAISUKE (JP)
ISOZAKI TAKANORI (JP)
TORIGOE SHINICHI (JP)
OZONO TATSUYA (JP)
KODA DAISUKE (JP)
Application Number:
PCT/JP2020/026949
Publication Date:
January 14, 2021
Filing Date:
July 10, 2020
Export Citation:
Assignee:
KURARAY CO (JP)
International Classes:
C08J5/18; C08L29/04; C08L15/00; G02B5/30
Domestic Patent References:
| WO2019244824A1 | 2019-12-26 |
Foreign References:
| JPH08225703A | 1996-09-03 | |||
| JP2006070108A | 2006-03-16 | |||
| JP2003012944A | 2003-01-15 | |||
| JP2004526835A | 2004-09-02 | |||
| JP2010188693A | 2010-09-02 | |||
| JPS5434339A | 1979-03-13 | |||
| JPS5069153A | 1975-06-09 |
Attorney, Agent or Firm:
AMANO Kazunori (JP)
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