Advanced resins and unadvanced epoxy resins are disclosed wherein the unadvanced compound and at least a portion of the advanced epoxy resin contains at least one --O--R.sup.1 --O-- or --(O--CH.sub.2 --CHR.sup.2).sub.n --O -- group as a bridge between two groups selected independently from the group consisting of (1) a saturated or unsaturated cycloaliphatic group, (2) an aromatic group, (3) a group represented by the formula ##STR1## or (4) a group represented by the formula ##STR2## Also disclosed are nucleophilic derivatives thereof, as well as curable compositions and coating compositions containing the advanced or unadvanced epoxy resins or nucleophilic modified advanced or unadvanced epoxy resins. These advanced resins and unadvanced epoxy resins provide coatings with good flexibility or formability as exhibited by good flexural or formable properties determined by reverse impact, T-bend and wedge-bend tests, chip resistance, and with good corrosion resistance and throwpower.
本发明揭示了先进
树脂和不先进环氧
树脂,其中不先进的化合物和至少一部分先进的环氧
树脂包含至少一个--O--R.sup.1--O--或--(O--CH.sub.2--CHR.sup.2).sub.n--O--作为两个从(1)饱和或不饱和的环烷基,(2)芳香族基,(3)由公式##STR1##表示的基团或(4)由公式##STR2##表示的基团中独立选择的基团之间的桥梁。还揭示了它们的亲核衍
生物,以及含有先进或不先进环氧
树脂或亲核改性的先进或不先进环氧
树脂的可固化组合物和涂料组合物。这些先进
树脂和不先进环氧
树脂提供了具有良好的柔韧性或成形性的涂层,如反冲击、T弯曲和楔形弯曲测试所确定的良好的弯曲或成形性能,以及良好的耐腐蚀性和投料能力。