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

用醛缩聚制备了新型呋喃树脂。

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邻苯二为原料通过界面缩聚法合成了聚硫脲缓释微胶囊。

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.

对多糖的合成主了1，6-、1，4-、1，3-、1，2-缩水内醚糖的阳离子聚合制备均聚多糖，及用糖原酸酯衍生物通过缩聚反应制备多糖。