![纤维素酯树脂用聚酯系改性剂组合物、纤维素酯光学薄膜以及偏光板用保护膜](/CN/2014/8/1/images/201480006065.jpg)
基本信息:
- 专利标题: 纤维素酯树脂用聚酯系改性剂组合物、纤维素酯光学薄膜以及偏光板用保护膜
- 专利标题(英):POLYESTER-BASED MODIFIER COMPOSITION FOR CELLULOSE ESTER RESIN, CELLULOSE ESTER OPTICAL FILM, AND PROTECTIVE FILM FOR POLARIZING PLATE
- 申请号:CN201480006065.5 申请日:2014-01-21
- 公开(公告)号:CN105008450A 公开(公告)日:2015-10-28
- 发明人: 大坪崇德 , 田尻裕辅 , 吉村洋志
- 申请人: DIC株式会社
- 申请人地址: 日本东京都
- 专利权人: DIC株式会社
- 当前专利权人: DIC株式会社
- 当前专利权人地址: 日本东京都
- 代理机构: 北京林达刘知识产权代理事务所
- 代理人: 刘新宇; 李茂家
- 优先权: 2013-012083 2013.01.25 JP
- 国际申请: PCT/JP2014/051075 2014.01.21
- 国际公布: WO2014/115709 JA 2014.07.31
- 进入国家日期: 2015-07-24
- 主分类号: C08L1/08
- IPC分类号: C08L1/08 ; C08J5/18 ; C08L67/02 ; G02B5/30
The purpose of the present invention is to provide an optical film having excellent dimensional stability, in particular, a protective film for a polarizer. Provided are the following: a polyester-based modifier composition for a cellulose ester resin, the modifier composition containing a polyester resin obtained by reacting a diol with a dicarboxylic acid, wherein the number average molecular weight (Mn), as measured by gel permeation chromatography (GPC), of the modifier composition is 350-2,000 and the content of polyester resins having molecular weights lower than 350 in the modifier composition is 5 mass % or lower; a cellulose ester optical film that contains the modifier composition and a cellulose ester resin; and a protective film for a polarizing plate, which is obtained by flow casting on a metal support a resin solution which is obtained by dissolving the modifier composition for a cellulose ester resin and a cellulose ester resin in an organic solvent, and then distilling and drying the organic solvent.
公开/授权文献:
- CN105008450B 纤维素酯树脂用聚酯系改性剂组合物、纤维素酯光学薄膜以及偏光板用保护膜 公开/授权日:2017-01-25
IPC结构图谱:
C | 化学;冶金 |
--C08 | 有机高分子化合物;其制备或化学加工;以其为基料的组合物 |
----C08L | 高分子化合物的组合物 |
------C08L1/00 | 纤维素、改性纤维素或纤维素衍生物的组合物 |
--------C08L1/08 | .纤维素衍生物 |