公开(公告)号：US08697201B2

公开(公告)日：2014-04-15

申请号：US11909868

申请日：2006-03-28

申请人： Yoshikazu Kawai ,  Masato Shintaku ,  Masaaki Nakamura

发明人： Yoshikazu Kawai ,  Masato Shintaku ,  Masaaki Nakamura

IPC分类号： C09K19/00 ,  B29D7/01 ,  G02B27/02

CPC分类号： G02B5/3083 ,  B29C41/24 ,  B29C55/04 ,  B29K2001/00 ,  B29K2001/12 ,  B29K2995/0032 ,  B29K2995/0034 ,  C08J5/18 ,  C08J2301/10 ,  C08L1/10 ,  C08L1/14 ,  C08L1/26 ,  Y10T428/105 ,  C08L2666/26

摘要： The present invention is to provide a retardation film having excellent durability against temperature change or the like and a production method of the retardation film. Particularly, the present invention is to provide a retardation film which realizes both reverse wavelength dispersion and durability and a production method of the retardation film. This is achieved by a retardation film including: a component (A) which is specific cellulose acylate; and a component (B) which is cellulose acylate or cellulose ether having a molecular weight different from a molecular weight of the component (A) and whose residual degree of hydroxyl group is 0.30 or more.

摘要翻译： 本发明提供一种对温度变化等具有优异耐久性的延迟膜以及相位差膜的制造方法。 特别地，本发明提供一种实现反向波长色散和耐久性的延迟膜以及延迟膜的制造方法。 这通过延迟膜实现，该延迟膜包括：作为特定纤维素酰化物的组分（A）; 和作为分子量不同于（A）成分的残留羟基数为0.30以上的纤维素酰化物或纤维素醚的成分（B）。

公开(公告)号：US20090273837A1

公开(公告)日：2009-11-05

申请号：US11909868

申请日：2006-03-28

申请人： Yoshikazu Kawai ,  Masato Shintaku ,  Masaaki Nakamura

发明人： Yoshikazu Kawai ,  Masato Shintaku ,  Masaaki Nakamura

IPC分类号： G02B5/30 ,  B29D7/01 ,  B32B17/00

CPC分类号： G02B5/3083 ,  B29C41/24 ,  B29C55/04 ,  B29K2001/00 ,  B29K2001/12 ,  B29K2995/0032 ,  B29K2995/0034 ,  C08J5/18 ,  C08J2301/10 ,  C08L1/10 ,  C08L1/14 ,  C08L1/26 ,  Y10T428/105 ,  C08L2666/26

摘要： The present invention is to provide a retardation film having excellent durability against temperature change or the like and a production method of the retardation film. Particularly, the present invention is to provide a retardation film which realizes both reverse wavelength dispersion and durability and a production method of the retardation film. This is achieved by a retardation film including: a component (A) which is specific cellulose acylate; and a component (B) which is cellulose acylate or cellulose ether having a molecular weight different from a molecular weight of the component (A) and whose residual degree of hydroxyl group is 0.30 or more.

摘要翻译： 本发明提供一种对温度变化等具有优异耐久性的延迟膜以及相位差膜的制造方法。 特别地，本发明提供一种实现反向波长色散和耐久性的延迟膜以及延迟膜的制造方法。 这通过延迟膜实现，该延迟膜包括：作为特定纤维素酰化物的组分（A）; 和作为分子量不同于（A）成分的残留羟基数为0.30以上的纤维素酰化物或纤维素醚的成分（B）。