申请人:SHIN-ETSU CHEMICAL CO., LTD.
公开号:US20160237202A1
公开(公告)日:2016-08-18
Problem to be Solved
The purpose of the invention, in view of the above circumstances, is to provide a silicone-modified epoxy resin composition that offers a cured article excellent in low gas permeability and strength, and an epoxy resin cured article obtained by curing the composition.
Solution
An epoxy resin represented by the following formula (1) wherein R
1
represents an alkylene group having 2 to 6 carbon atoms and optionally containing an ester or ether bond; R
2
represents a monovalent aliphatic hydrocarbon group having 1 to 6 carbon atoms or a monovalent aromatic hydrocarbon group having 6 to 12 carbon atoms; R
3
represents an oxygen atom or a phenylene group; k represents 1 to 10 as an average value; m represents an integer of 0 to 2; n represents 0 to 10 as an average value; and a plurality of groups R
1
, R
2
, R
3
, k, or m present in the formula may be the same or different from each other.