| abstract |
Resin combination of the invention contains：Preparatory response product, the preparatory response product is obtained in the following manner：Make epoxy resin and as the first curing agent simple function acid anhydrides so that the epoxy resin and the simple function acid anhydrides equivalent proportion for mix at 1: 0.1 to 1: 0.6, and make the reaction in advance of the epoxy resin and the simple function acid anhydrides so that the open loop percentage of the simple function acid anhydrides is more than 80%；And second curing agent, second curing agent includes the compound different from the simple function acid anhydrides. |