- Patent Title: Copolymer having adjustable glass transition temperature and having usefulness as organic electro-optic polymer, and organic electro-optic element using the same
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Application No.: US15126080Application Date: 2015-03-17
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Publication No.: US10253124B2Publication Date: 2019-04-09
- Inventor: Akira Otomo , Isao Aoki , Toshiki Yamada , Hideki Miki
- Applicant: NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY
- Applicant Address: JP Tokyo
- Assignee: NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY
- Current Assignee: NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY
- Current Assignee Address: JP Tokyo
- Agency: Wenderoth, Lind & Ponack, L.L.P.
- Priority: JP2014-055653 20140318
- International Application: PCT/JP2015/057783 WO 20150317
- International Announcement: WO2015/141650 WO 20150924
- Main IPC: C08F220/36
- IPC: C08F220/36 ; G02F1/061 ; C08F220/18 ; C08G18/72 ; C08G18/28 ; G02F1/361
Abstract:
An object of the present invention is to provide an organic EO polymer having a desired Tg. The present invention provides a copolymer comprising (i) a cycloalkane methacrylate and 2-isocyanatoethyl methacrylate as monomers at an adjusted blending ratio and (ii) an electro-optic molecule (EO molecule) bound to the copolymer, thereby exhibiting a desired glass transition temperature (Tg).
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