| 摘要 |
The present invention discloses a sulfur-containing phenolic resin which comprises an organic group represented by the following formula (1): <?in-line-formulae description="In-line Formulae" end="lead"?>-R1-S-R2-S-R1- (1)<?in-line-formulae description="In-line Formulae" end="tail"?> wherein R1 represents a hydrocarbon group having 2 to 6 carbon atoms, R2 represents a hydrocarbon group having 1 to 10 carbon atoms, between a phenolic carbon and a phenolic carbon, phenol derivatives represented by the following formula (5): wherein R5 represents a C2-3 alkylene group, R6 represents a C1-10 alkylene group, G represents H, a C1-10 alkyl group, etc., and an epoxy resin composition containing (A) a curing agent of the above-mentioned formula (5) and (B) an epoxy resin as essential components.
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