| 摘要 |
PURPOSE:The titled composition rapidly curable at high temperatures and excellent in heat resistance, prepared by mixing an epoxy resin with a combination of specified two kinds of curing agents. CONSTITUTION:The titled composition prepared by mixing (A) an epoxy resin (e.g., bisphenol A-derived epoxy resin) with (B) an S-triazine derivative of the formula (wherein R1-R6 are each H, an alkyl, hydroxyalkyl, aryl, aminoaryl, or heterocyclic group and at least one of them is a substituent other than hydrogen), e.g., 2-methylamino-4,6-diamino-S-triazine) and (C) a novolak phenolic resin, where components (B+C) are present in an amount of 0.5-1.5 equivalent per equivalent of component A, and the ratio of B/(B+C) is 0.02-0.9. By the use of the combination of components B and C in the above amounts, these components act as a curing agent and cure accelerator, respectively, so that a resin composition rapidly curable at high temperatures and excellent in heat resistance can be obtained.
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