Novel controlled releasing polythiourea microcapsules were prepared from terephthaloyl diisothiocyanate and o-phenylenediamine by interfacial polycondensation.
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.
醇
缩聚制备了新型呋喃树脂。
邻苯二
为原料通过界面缩聚法合
了聚硫脲缓释微胶囊。
介绍了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。
