| abstract |
To provide a phenoxy resin excellent in heat resistance, electrical insulation and transparency. 9,9-bis (alkyl-hydroxyphenyl) fluorenes (for example, 9,9-bis (4-hydroxy-3-methylphenyl) fluorene, 9,9-bis (4-hydroxy-3,5) -Reacting phenols (A) at least composed of specific fluorenes having a phenolic hydroxyl group (A1) such as dimethylphenyl) fluorene and the like with a bifunctional epoxy compound (for example, bisphenol type epoxy resin) Let In the phenols (A), the proportion of the fluorenes (A1) may be 80 mol% or more based on the total phenols (A). [Selection figure] None |