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Novel copolymer of methacrylic ester, composition, optical element and electric member

外国特許コード F110004786
整理番号 BE06401WO
掲載日 2011年7月21日
出願国 大韓民国
出願番号 20087028074
公報番号 20090007757
出願日 平成20年11月17日(2008.11.17)
公報発行日 平成21年1月20日(2009.1.20)
国際出願番号 JP2006320360
国際公開番号 WO2007129418
国際出願日 平成20年11月17日(2008.11.17)
国際公開日 平成19年11月15日(2007.11.15)
優先権データ
  • 60/797,649P (2006.5.5) US
発明の名称 (英語) Novel copolymer of methacrylic ester, composition, optical element and electric member
発明の概要(英語) ABSTRACT A copolymer of (meth)acrylic ester represented by a general formula (1) including a following repeating unit A and repeating unit B.
In the general formula (1), R1 and R2 each independently represent hydrogen atom or methyl group; R3 represents an alkyl group having 1 to 4 carbon atoms; Y represents an atomic group forming an aromatic ring; x represents 1 to n, n represents the number of fluorine atoms which can be contained in the aromatic ring; and a and b each independently represent an integer of 1 or more.
特許請求の範囲(英語) [claim1]
1. A copolymer of (meth)acrylic ester represented by general formula (1) including the following repeating unit A and repeating unit B:
General formula ( 1 )

Repeating unit A Repeating unit B



wherein R1 and R2 each independently represent hydrogen atom or methyl group; R3 represents an alkyl group having 1 to 4 carbon atoms; Y represents an atomic group forming an aromatic ring; x represents a number from 1 to n, n represents the number of fluorine atoms which can be contained in the aromatic ring.
[claim2]
2. The copolymer according to claim 1 , wherein the aromatic ring formed by the atomic group represented by Y is phenyl group or naphthyl group.
[claim3]
3. The copolymer according to claim 1 , wherein R1 and R2 are each independently a methyl group.
[claim4]
4. The copolymer according to claims 1, wherein the repeating unit B is formed by at least one selected from the group consisting of
2,3,5,6-tetrafluorophenyl methacrylate, pentafluorophenyl methacrylate, .
p-trifluoromethyl tetrafluorophenyl methacrylate and β -perfluoronaphthyl methacrylate.
[claim5]
5. The copolymer according to claims 1 , wherein the molar ratio between repeating unit A and repeating unit B is 60:40 to 90: 10.
[claim6]
6. The copolymer according to claims 1 , wherein the molar ratio between repeating unit A and repeating unit B is 90: 10 to 95:5.
[claim7]
7. A composition comprising the copolymer according to any one of claims 1 to 6.

S. An optical member comprising the copolymer according to any one of claims 1 to 6.
[claim8]
9. An electric member comprising the copolymer according to any one of claims 1 to 6.
  • 出願人(英語)
  • JAPAN SCIENCE AND TECHNOLOGY AGENCY
  • 発明者(英語)
  • KOIKE YASUHIRO
  • OKAMOTO YOSHIYUKI
  • TAGAYA AKIHIRO
国際特許分類(IPC)
参考情報 (研究プロジェクト等) ERATO/SORST Photonics polymer for "Fiber To The Display" AREA
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