| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a crystalline epoxy resin dispersion varnish easy to produce and having excellent storage stability. <P>SOLUTION: The epoxy resin varnish contains an epoxy resin produced by the reaction of at least one kind of phenol selected from bisphenol F, 4,4'-biphenol and 4,4'-bixylenol (each having bifunctional purity of ≥95 area% determined by high-performance liquid chromatography with UV 274 nm) with an epihalohydrin as an essential component wherein the epoxy resin has a skeleton having the phenol bonded through the group expressed by formula (1), and further contains a solvent and/or a compound having ethylenic unsaturated group, provided that the crystalline epoxy resin is dispersed in the solvent and/or the compound having ethylenic unsaturated group. <P>COPYRIGHT: (C)2007,JPO&INPIT |
