Patent ID: 9133330
Filing Date: 2015-09-15
Classification: C08F,C08L

Abstract:
1. A composition for use as material for electrical or electronic parts, comprising: (A) a vinyl polymer having, at a molecular terminal thereof, at least one (meth)acryloyl group per molecule of the polymer, the group being represented by the following general formula (1): wherein R a represents a hydrogen atom or an organic group having 1 to 20 carbon atoms, (B) is at least one compound selected from the group consisting of the following compounds: triethylene glycol di(meth)acrylate, dipropylene glycol di(meth)acrylate, 3-methyl-1,5-pentadiol di(meth)acrylate, 1,6-hexanediol di(meth)acrylate, 1,7-heptanediol di(meth)acrylate, 1,8-octanediol di(meth)acrylate, 2-methyl-1,8-octanediol di(meth)acrylate, 1,9-nonanediol di(meth)acrylate, 1,10-decanediol di(meth)acrylate, CH CH CH CH 3-methyl-1,5-pentanediol di(meth)acrylate, 1,9-nonanediol di(meth)acrylate, cyclohexanedimethanol di(meth)acrylate, dimethylol-tricyclodecane di(meth)acrylate, 1,3-adamantanedimethanol di(meth)acrylate, 1,9-nonanediol diacrylate, 1,10-decanediol diacrylate, and dimethylol-tricyclodecane diacrylate trimethylolpropane tri(meth)acrylate, pentaerythritol tetra(meth)acrylate, di(trimethylolpropane) tetra(meth)acrylate, dipentaerythritol penta(meth)acrylate, and dipentaerythritol hexa(meth)acrylate, (D) a vinyl monomer having a (meth)acryloyl group represented by the following general formula (3): wherein R a represents a hydrogen atom or an organic group having 1 to 20 carbon atoms, and R c represents an organic group having 6 to 20 carbon atoms, and (C) an initiator, wherein the total amount of the components (B) and (D) is from 25% by weight or more to 65% by weight or less to the total 100% by weight of the components (A), (B) and (D), and the component (B) is comprised in an amount of 5% by weight or more.