A method for producing a polarizing film comprising the step of dipping a polyvinyl alcohol film in/on which iodine is adsorbed and oriented in an aqueous solution containing boric acid wherein contact between the aqueous solution and oxygen is suppressed. The produced polarizing film has a high contrast.
申请公布号
WO2004053543(A1)
申请公布日期
2004.06.24
申请号
WO2002JP13036
申请日期
2002.12.12
申请人
SUMITOMO CHEMICAL COMPANY, LIMITED;MATSUMOTO, KOJI;HAYASHI, NARUTOSHI;KURATA, NOBUYUKI
