2,3,5,6-tetrafluorophenyl (meth)acrylates and their production
申请人:Nippon Shokubai Kagaku Kogyo Co., Ltd
公开号:EP0160379A1
公开(公告)日:1985-11-06
2,3,5,6-tetrafluorophenyl (meth)acrylates represented by the general formula I:
wherein R is H or CH3 and X is H or CN are prepared by the esterification of 4-cyano-substituted or unsubstituted 2,3,5,6-tetrafluorophenols with (meth)acrylic acid chloride.
Novel Copolymer of Methacrylic Ester, Composition, Optical Element and Electric Member
申请人:Koike Yasuhiro
公开号:US20090264610A1
公开(公告)日:2009-10-22
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), R
1
and R
2
each independently represent hydrogen atom or methyl group; R
3
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.