再向上述反应体系中加入缩聚催化剂,真空进行缩聚反应,得到产物。
采用逆水解法进行氯硅烷水解—缩聚反应,制备了适用于耐高温涂料的甲基苯基硅树脂。
介绍了终缩聚反应器轴封泄漏的现象、判断和应急措施。
介绍了一个工业化聚酯(PET)生产过程中的分子量分布模型。
介绍了一种由二聚酸和二元胺为主要原料制备而成的醇溶性聚酰胺树脂。
酚醛树脂生产废水含酚量和含醛量都较高,采用酸性缩聚法或碱性缩聚法处理,能大大降低酚和醛的含量,而且能回收到一定量的树。
可利用现有的PET的缩聚和纺丝设备,加快我国PTT纤维工业化的进程。
以丁二酸与丁二醇为原料,通过熔融缩聚法合成端羟基聚丁二酸丁二醇酯。
以DL-乳酸为原料,通过熔融聚合法直接合成外消旋聚乳酸(PDLLA)。
含引发机制的Af-Ag型缩聚反应固化理论-数量分布函数的不变性
1·This method can be added into polymer resins and polycondensation objects.
按此方法可将树脂分为加聚物和缩聚物。
2·Ester bond can be formed through the polycondensation of hard segment monomer with uniform segment length containing amide bond and dihydric alcohol, which is a better way to prepare polyesteramide.
先制备具有均一链长的含有酰胺键的硬段单体,然后与二元醇进行缩聚反应生成酯键是制备性能良好的聚酰胺酯的较好途径。
3·The state and forming mechanism of graphite in cast iron are analysed with classical dynamics and polycondensation theory.
运用经典动力学和缩聚理论的基本观点对铸铁中石墨形态及形成机理进行了分析研究。
4·The kinetics of the polycondensation between diphenyl-dichlorosilane and bisphenol-A in equal mole ratio has been studied.
研究了二苯基二氯硅烷与双酚-A在等克分子比条件下的缩聚反应动力学。
5·Detailedly introduces definition classification and character of interfacial polycondensation and influential factors of polycondensate molecular weight.
并着重介绍了界面缩聚的定义、分类、特点以及影响缩聚物分子量的因素。
1·The solving methods of the blockage of EG spray pipeline in PET final polycondensation system were introduced.
介绍聚酯终缩聚反应系统的EG喷淋管线出现堵塞的处理办法。
2·The esterification, polyesterification, polycondensation and the formation of diethylene glycol (DEG) reaction kinetic parameters were obtained.
获得了酯化反应、酯化缩合反应、缩聚反应以及二甘醇生成反应的动力学参数。
3·This paper introduces the application of domestic potassium-iodide in the continuous polycondensation of nylon66.
介绍了国产碘化钾添加剂在尼龙66连续缩聚反应中的应用。
4·The invention relates to a method and device for the continuous polycondensation of polyester material in the solid phase, in particular in the form of partially crystalline granulate.
本发明涉及一种聚酯材料在固相中的连续缩聚反应的方法和设备,特别是在部分结晶的颗粒状态下。