发明名称 |
PROCESS FOR PREPARING OPTICAL FILM, OPTICAL FILM, POLARIZING PLATE, AND DISPLAY DEVICE |
摘要 |
<p>A method for producing an optical film comprising steps of mixing a heated and molten cellulose ester having an acylated degree for from 2.5 to 2.9 and at least one of a UV absorbent having at least two benzotriazole skeletons and a UV absorbent having a weight average molecular weight of from 2,000 to 50,000 to form a mixture, and extruding the mixture to form a film.</p> |
申请公布号 |
KR20060052143(A) |
申请公布日期 |
2006.05.19 |
申请号 |
KR20050094867 |
申请日期 |
2005.10.10 |
申请人 |
KONICA MINOLTA OPTO, INC. |
发明人 |
MURAKAMI TAKASHI;MICHIHATA ISAMU |
分类号 |
G02B5/30 |
主分类号 |
G02B5/30 |
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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