PERFLUOROALKYL GROUP-CONTAINING PREPOLYMER AND ITS POLYMERIZATION CURED PRODUCT

Japanese Patent JP3923340

B2

PROBLEM TO BE SOLVED: To obtain a novel component for forming a cured product which can make a refractive index suitably selective and has good adhesion to an optical part at a low refractive index.
SOLUTION: A perfluoroalkyl group-containing prepolymer is a polymer having a number average molecular weight of 1,000-100,000 obtained by copolymerizing a perfluoroalkyl group-containing (meth)acrylate represented by the formula [1]: CH2=C(R1)CO2-CH3-i(Rf)i [wherein R1 is hydrogen atom or methyl group; (i) is a number of 1-3; and Rf is a group represented by -(CH2)j-CkF2k+1 (wherein (j) is a number of 0-6 and (k) is a number of 1-22)] with at least one kind selected from crosslinking functional group-containing (meth)acrylic acid derivatives represented by the formula [2]: CH2=C(R2)CO2-A (wherein R2 is hydrogen atom or methyl group: A is any one of hydrogen atom, a hydroxyl group-containing alkyl group, an epoxy group-containing aliphatic alkyl group, an epoxy group-containing cyclic alkyl group, an isocyanate group- containing alkyl group, and a (meth)acryloyloxy group-containing hydroxyalkyl group].

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Eri Mano

JP2002057535A

May 30, 2007

March 04, 2002

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Kyoeisha Chemical Co., Ltd.

C08F220/24; C08F214/18; C08F220/18; C08F220/26; C08F220/36; (IPC1-7): C08F220/24; C08F220/18; C08F220/26; C08F220/36

JP4345609A
JP9221618A
JP59015412A
JP6503374A
JP63154714A

Yoshio Komiya

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