发明名称 |
Method for producing retardation film |
摘要 |
<p>A method for producing a retardation film comprising the steps of: co-extruding or simultaneously casting a thermoplastic resin A and a thermoplastic resin B to obtain a laminated film comprising a layer of the thermoplastic resin A and a layer of the thermoplastic resin B; and uniaxially stretching the laminated film at least twice to cross a molecular orientation axis in the layer of the thermoplastic resin A and a molecular orientation axis in the layer of the thermoplastic resin B each other at almost right angles.</p> |
申请公布号 |
EP2090420(A2) |
申请公布日期 |
2009.08.19 |
申请号 |
EP20090002052 |
申请日期 |
2009.02.13 |
申请人 |
ZEON CORPORATION |
发明人 |
HATANO, TAKU;ARAKAWA, KOHEI;YAMANAKA, SHUNSUKE |
分类号 |
B29D11/00;G02B5/30 |
主分类号 |
B29D11/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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