| 摘要 |
An epoxy resin composition comprising [A] a novel copolymer produced by polymerizing a polymerizable material selected from the group consisting of (a) substituted or unsubstituted dicyclopentadiene; (b) a cationically polymerizable unsaturated hydrocarbon-containing fraction obtained by distilling a cracking or reforming product of a petroleum and having a boiling point in the range of -20 DEG C. to 280 DEG C.; (c) a cationically polymerizable vinyl aromatic hydrocarbon having 8 to 10 carbon atoms; (d) a mixture of two or three of ingredients (a), (b) and (c); and (e) a mixture of any one of ingredients (a) to (d) with a cationically polymerizable unsaturated aliphatic hydrocarbon having 4 to 10 carbon atoms in the presence of a cationic polymerization catalyst with a high-boiling product having a boiling point of at least about 150 DEG C. and an oxygen content of at least 0.5% by weight being introduced into the polymerization system at any stage of the polymerization process or into the resulting polymer, the said high-boiling product being obtained as a by-product in a process comprising oxidizing a benzene or naphthalene ring-substituted with at least one isopropyl group to convert it to the corresponding hydroperoxide and then decomposing it with an acid to produce the corresponding phenol or naphthol; [B] a polyepoxy compound; and [C] a curing agent. This epoxy resin composition is useful for paints, adhesives, road-repairing materials, floor coverings, etc.
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