发明名称 |
PRODUCTION OF PHASE DIFFERENCE PLATE |
摘要 |
PROBLEM TO BE SOLVED: To a provide phase difference plate having high uniformity with an undrawn film of a polycarbonate. SOLUTION: An undrawn film of a polycarbonate obtained by casting, not substantially containing a residual solvent and having <=0.8 J/g of heat absorption at the glass transition temperature of the film is drawn at a temperature not exceeding the glass transition temperature, preferably in the range from the glass transition temperature to (the glass transition temperature)-20 deg.C. |
申请公布号 |
JP2000231015(A) |
申请公布日期 |
2000.08.22 |
申请号 |
JP19990031605 |
申请日期 |
1999.02.09 |
申请人 |
TEIJIN LTD |
发明人 |
SAITO NAOYA;UCHIYAMA AKIHIKO |
分类号 |
B29C41/28;B29C55/02;B29K69/00;B29L7/00;B29L11/00;G02B5/30;G02F1/1335;G02F1/13363 |
主分类号 |
B29C41/28 |
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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