The polyol resin comprises a reaction product between (a) disphenol epoxy resin containing a long-chain alkyl-substituted bisphenol as at least a part of the bisphenol component and (b) an active hydrogen-containing compound capable of reacting with the epoxy group,, and is characterized in that it is soluble in organic solvents such as aromatic compounds and insensitive to humidity. This polyol resin is particularly useful as a resin component for urethane paint.
这种多元醇
树脂由以下两种物质的反应产物组成:(a) 含有长链烷基取代双
酚的二
酚环氧
树脂,双
酚成分中至少有一部分是长链烷基取代双
酚;(b) 能与环氧基团反应的活性含氢化合物,其特点是可溶于芳香族化合物等有机溶剂,对湿度不敏感。这种多元醇
树脂特别适合用作聚
氨酯涂料的
树脂成分。