A novel furan resin was synthesized by polycondensation between furfuralcohol and furfural.

用糠醇和糠醛备了新型呋喃树脂。

Novel controlled releasing polythiourea microcapsules were prepared from terephthaloyl diisothiocyanate and o-phenylenediamine by interfacial polycondensation.

以对苯二甲酰异硫氰酸酯和邻苯二为原料通过界面法成了硫脲缓释微胶囊。

For polysaccharide synthescs,ring open-ing polymerizatlon of 1,6-,1,4-,1,3-,and 1,2-anhydro sngars,and polycondensation of cya-noethylidene trityl ether sugars are described.

对多成主要介绍了1，6-、1，4-、1，3-、1，2-水内醚阳离子备均多，及用原酸酯衍生物通过反应备多。