AQUEOUS SOLUTION OF POLYVINYL ALCOHOL-BASED RESIN, LAMINATE, METHOD FOR PRODUCING LAMINATE, OPTICAL POLYVINYL ALCOHOL-BASED FILM, POLARIZING FILM WITH THERMOPLASTIC FILM, POLARIZING FILM AND POLARIZING PLATE

摘要

PROBLEM TO BE SOLVED: To provide: an aqueous solution of a polyvinyl alcohol-based resin capable of obtaining a thin polarizing film having no display defects and color unevenness; a polyvinyl alcohol-based film; and a laminate.;SOLUTION: There is provided an aqueous solution of a polyvinyl alcohol-based resin for producing an optical polyvinyl alcohol-based film, where a surface tension γ(mN/m) in environment of 23°C 50%RH is 25-55 mN/m.;SELECTED DRAWING: None;COPYRIGHT: (C)2018,JPO&INPIT