A number of model networks were prepared by anionic block copolymerization of divinylbenzene with various living polystyrene precursors having different chainlengthdistribution.
用链长分布不同的活性聚苯乙烯子聚物与二乙烯基苯进行阴离子嵌段共聚,合成了一系列两相模型交联网络。
2
The chainlengthdistribution of a oligomeric polystyrene sample initiated by n-butyl lithium was determined by high performance size exclusion chromatography on a ultraviolet absorption detector.
用高效尺寸排除色谱以紫外吸收光度计寿检测器,测定了一个以正丁基锂引发的聚苯乙烯齐聚物的链长分布。
3
An end group correction factor was introduced for getting the true weight distribution of chainlength.