n.缩聚作用
Poly(PEG(1)-adipic anhydride(2)) was synthesized by melt polycondensation. 采用熔融缩聚法合成了PEG(1)-己二酸酐(2)聚合物。
Polycondensation catalyst may has bad effect on polyester afterprocessing properties. 缩聚催化剂会对聚酯后加工性能产生不良影响。
A novel furan resin was synthesized by polycondensation between furfuralcohol and furfural. 用糠醇和糠醛缩聚制备了新型呋喃树脂。
The N-methyl-2-pyrrolidone is chosen as polycondensation media and toluene as carrier of water. 选择N-甲基-2-吡咯烷酮为反应介质,甲苯为带水剂。
The results showed that ester-amide exchange，alcoholysis and polycondensation were primary reactions. 结果表明：主要反应为酯-酰胺交换、醇解和缩聚反应；
