Invention Grant
US09334406B2 Composition for primer coating, optical film comprising the same, and polarizing plate comprising the same
有权
底漆涂料组合物，含有它的光学薄膜和包含该组合物的偏振片
- Patent Title: Composition for primer coating, optical film comprising the same, and polarizing plate comprising the same
- Patent Title (中): 底漆涂料组合物，含有它的光学薄膜和包含该组合物的偏振片
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Application No.: US12659090Application Date: 2010-02-24
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Publication No.: US09334406B2Publication Date: 2016-05-10
- Inventor: Hee-Jung Kim , Dong-Ryul Kim , Boong-Goon Jeong
- Applicant: Hee-Jung Kim , Dong-Ryul Kim , Boong-Goon Jeong
- Applicant Address: KR Seoul
- Assignee: LG Chem, Ltd.
- Current Assignee: LG Chem, Ltd.
- Current Assignee Address: KR Seoul
- Agency: Dentons US LLP
- Priority: KR10-2009-0015875 20090225
- Main IPC: C09K19/00
- IPC: C09K19/00 ; C09D5/00 ; C09D4/00 ; C09D131/00 ; C08L33/06 ; G02F1/1335
Abstract:
The present invention relates to a primer coating composition, an optical film including the same, and a polarizing plate including the same, the primer coating composition according to the present invention includes 1) a polyvinyl alcohol compound including the acetoacetyl group; 2) an acrylate compound that includes at least two vinyl groups; and 3) a basic catalyst, and an optical film that includes a primer layer formed from the primer coating composition has excellent transparency, optical property, mechanical strength, and attaching property to the polyvinyl alcohol polarizer.
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