专利名称：Polyvinyl alcohol polymer film, method of
producing the same and polarization film
发明人：Harita, Shigeyuki, Kuraray Co, Ltd,Isozaki,
Takanori, Kuraray Co, Ltd
申请号：EP01110063.3申请日：20010427公开号：EP1153961B1公开日：20050126
摘要：Difference in retardation between two points separated by 1 cm along the TDdirection of a polyvinyl alcohol polymer film 6 is 5 nm or less. The length of a surface fordrying a polyvinyl alcohol polymer film 6 is 3 m to 200 m, and the water content of thepolyvinyl alcohol polymer film 6 when peeled after passing through the drying surface is50% by weight or less, in film formation.
申请人：KURARAY CO
地址：JP
国籍：JP
代理机构：VOSSIUS & PARTNER
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