摘要
在常压下，用微波辐照的方法合成了聚苯乙烯和苯乙烯—丙烯酸共聚均分散胶体微粒．体系中未加表面活性剂．反应时间由原来的十几小时缩短到不足１小时．动力学实验表明，反应是突变的，无恒速阶段．
The prepartion of monodisperse colloidal microlatex particles of polystyrene and poly (styrene acrylic acid) by the use of microwave radiation under normal ambient pressure is reported. There is no any surfactants in this system. The total synthesis time has been reduced from more then 10h (conventional method) to less than 1h (microwave method). The dynamic experimental results indicate that the reaction process is very sharp in comparison with coventional polymerization. No constant rate stage existed. The particle surface was characterized by potentiometic titration and conductometric titration.
关键词
微波合成
高聚物
聚苯乙烯
均分散胶乳粒子
microwave reaction\ the uniform high molecular particles\ polystyrene\ acrylic acid
