| 摘要 |
<p>A phosphorus-containing epoxy resin comprising structural units derived from a secondary phosphine derivative represented by the following general formula (1) or (2); and a phosphorus-containing epoxy resin composition comprising the phosphorus-containing epoxy resin and either a hardener or a polymerization initiator. (1) (In the formula, R1 represents optionally substituted alkylene and X represents oxygen or sulfur.) (2) (In the formula, R2 represents optionally substituted cycloalkylene or arylene and X represents oxygen or sulfur.)</p> |
