| 摘要 |
<p>PURPOSE:To obtain the title composition of one-pack type having storage stability, providing a coating film having excellent electrical insulating properties, containing a liquid epoxy resin, filler, dicyandiamide and a specific curing agent. CONSTITUTION:The aimed composition containing (A) a liquid epoxy resin (preferably one of glycidyl ether type of bisphenol A, having 160-250 epoxy equivalent), (B) a filler (e. g., calcium carbonate), (C) dicyandiamide and (D) a curing agent which is obtained by adding 0.8-2.5 equivalent epoxy group to 1 equivalent of amino group of a compound shown by the formula (R1 and R2 are 1-5C alkyl; X is 1-5C alkylene) to give an epoxyamine addition product and reacting the addition product with at least one of phenolic resin and polyhydric phenol.</p> |
