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

用糠醇和糠醛缩制备新型呋喃树脂。

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

以甲酰异硫氰酸酯和邻为原料通过界面缩法合硫脲缓释微胶囊。

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.

多糖的合主要介绍1，6-、1，4-、1，3-、1，2-缩水内醚糖的阳离子合制备均多糖，及用糖原酸酯衍生物通过缩反应制备多糖。