| 摘要 |
PROBLEM TO BE SOLVED: To provide a phosphorus-containing flame-retardant epoxy resin which can form an electric apparatus component or an electronic apparatus component having low water absorption and high heat resistance.SOLUTION: A phosphorus-containing flame-retardant epoxy resin is obtained by a reaction between an epoxy resin having three or more epoxy groups in one molecule and an organic phosphorus compound represented by the general formula (I), where Yis an aralkyl group or an aryl group. |
