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

用糠醇和糠醛缩聚制型呋喃树脂。

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

以苯二甲酰异硫氰酸酯和邻苯二为原料通过界面缩聚法合成聚硫脲缓释微胶。

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.

糖的合成主要介绍1，6-、1，4-、1，3-、1，2-缩水内醚糖的阳离子聚合制均聚糖，及用糖原酸酯衍生物通过缩聚反应制糖。