氢化萜烯酯型环氧树脂基多元醇的合成与结构表征  

Synthesis and Structure Characterization of Polyols from Hydrogenated Terpinene-maleic Ester Type Epoxy Resin

作　　者：吴国民[1] 孔振武[1] 黄焕[1] 陈健[1] 储富祥[1] 

机构地区：[1]中国林业科学研究院林产化学工业研究所国家林业局林产化学工程重点开放性实验室,江苏南京210042

出　　处：《林产化学与工业》2007年第6期17-21,共5页Chemistry and Industry of Forest Products

基　　金：国家杰出青年基金资助项目(30325031);国家自然科学基金资助项目(30571465)

摘　　要：以氢化萜烯酯型环氧树脂（HTME）与带活泼氢的（羟基）化合物（二乙醇胺，N-甲基单乙醇胺，二乙胺）反应制备了环氧树脂基多元醇。通过研究不同反应因素对合成反应的影响，确定了合成环氧树脂基多元醇的最佳反应条件：反应温度为60～70℃，反应时间2h，反应溶剂为无水乙醇，用量为反应物总质量的40％。最佳条件下合成的3种环氧树脂基多元醇，HTME—DEA的羟值最大，为（300±20）mg／g，HTME—MEA其次，为（260±20）mg／g，HTME—DeA的羟值最小，为（200±10）mg／g；HTME-DeA多元醇的剩余环氧值最大，因为DeA与HTME的反应活性低于DEA、MEA与HTME的反应活性。用红外光谱法表征了环氧树脂基多元醇的化学结构。Three kinds of polyols were synthesized from hydrogenated terpinene-maleic ester type epoxy resin （ HTME ）ancl secondary amines （diethanolamine（DEA） , N-methylethanolamine（MEA） and diethylamine（DeA） ）. They can be used in place of the commonly used polyols to prepare two-component polyurethanes. When reacted at 60-70 ℃ for about 2 h, products of good quality can be obtained by using ethanol as solvent in an amount about 40 % by weight based on the weight of reactants. Among the polyols synthesized under the optimum conditions, HTME-DEA polyol has the largest hydroxyl value of （300 ± 20）mg/g, HTME-MEA polyol has a value of （260 ±20） mg/g, and HTME-DeA polyol has the smallest hydroxyl value of （200 ±10） mg/g. Because of the low chemical activity of DeA reacting with oxirane ring of HTME, the residual epoxy value of HTME-DeA polyol is comparatively large, in contrast with those of other two polyols. The chemical structures of the polyols from HTME were characterized by chemical and FF-IR spectrometric methods.

关 键 词：氢化萜烯酯型环氧树脂 多元醇 合成 表征 

分 类 号：TQ323.5[化学工程—合成树脂塑料工业]