Title:
POLYVINYL ALCOHOL FILM, METHOD FOR PRODUCING SAME, AND POLARIZING FILM
Document Type and Number:
WIPO Patent Application WO/2016/148159
Kind Code:
A1
Abstract:
Provided is a polyvinyl alcohol film having a thickness of 5-60 μm, a width of 2 m or greater, and a length of 2 km or greater, wherein the polyvinyl alcohol film has a haze of 0.2% or less. This makes it possible to obtain a low-haze polyvinyl alcohol film also having exceptional surface smoothness, and furthermore to obtain a polarizing film having an exceptional degree of polarization and light transmittance by using this polyvinyl alcohol film.
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Inventors:
KATAYAMA TOMOHIRO (JP)
HAYAKAWA SEIICHIROU (JP)
EDAZAWA TOSHIYUKI (JP)
MITARAI HIROSHI (JP)
HAYAKAWA SEIICHIROU (JP)
EDAZAWA TOSHIYUKI (JP)
MITARAI HIROSHI (JP)
Application Number:
PCT/JP2016/058216
Publication Date:
September 22, 2016
Filing Date:
March 16, 2016
Export Citation:
Assignee:
NIPPON SYNTHETIC CHEM IND CO LTD (JP)
International Classes:
B29C33/74; B29C41/34; B29C41/44; G02B5/30
Foreign References:
| JP2006305924A | 2006-11-09 | |||
| JPH11216759A | 1999-08-10 | |||
| JPH06313296A | 1994-11-08 |
Attorney, Agent or Firm:
SAITOH Yukihiko et al. (JP)
Masahiko Nishifuji (JP)
Masahiko Nishifuji (JP)
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