含有联苯结构二缩水甘油醚型环氧树脂的合成与表征

研究并合成了一种含有联苯结构的环氧树脂 ,例如 ,采用二步法由 3,3′ ,5 ,5′—四甲基联苯二酚和环氧氯丙烷合成了 3,3′,5 ,5′—四甲基联苯二酚二缩水甘油醚。采用红外光谱、核磁共振氢谱和质谱对其结构进行了表征 ,同时用DSC和TG对其热性能进行了研究。结果表明 ,它在常温下为固体 ,Tm =10 2℃ ,熔程为 80～ 10 7℃ ,热失重 5 %时温度为 2 37℃ ,分子质量为 35 4 ,环氧值 0 5 6～ 0 5 9,是一种结晶性环氧树脂。在Tm以上、分解温度以下具有良好的流动性 ,可在 110～ 2 37℃间固化。

SYNTHESIS AND DEMONSTRATION OF DIGLYCIDYL ETHER EPOXY RESIN CONTAINING BIPHENYL

In this paper,a kind of new crystal epoxy resin,biphenyl containing diglycidyl ether was studied.The main property of this resin was as follows,M-W=354,epoxide number=0 56-0 59,Tm=102℃,curing ability at 110-237℃,weight loss at 237℃=5%,and good fluidity.Thus,3,3′,5,5′-tetramethyl-diphenyldiglycidyl ether was synthesized from 3,3′,5,5′-tetramethyl-diphenol and epichlorohydrin by two steps method.The chemical structure of the obtained new epoxy resin was characterized with FT-IR,and′H NMR,the molecular weight was analysed by mass spectrometry and the thermodyamic property was also analysed by DSC and TG.