一、前言液体聚合物的平均分子量虽然比高聚物低得多,一般只有几千,但仍然具有多分散性。我们室在合成端羟基液体聚丁二烯(简称丁羟)的研究工作中发现聚合物的平均分子量主要决定于引发剂的用量。合成反应的温度、时间在一定范围内改变时,对聚合物的平均分子量虽然没有大的影响,但聚合物的粘度等性质却发生明显的变化。这种变化是否由于产物的分子量 I. INTRODUCTION Although the average molecular weight of a liquid polymer is much lower than that of a polymer, it is generally only a few thousand but it still has polydispersity. Our room in the synthesis of hydroxy-terminated liquid polybutadiene (butylated hydroxy) research work found that the average molecular weight of the polymer is mainly determined by the amount of initiator. When the temperature and time of the synthesis reaction are changed within a certain range, although the average molecular weight of the polymer is not greatly affected, the viscosity and other properties of the polymer change obviously. Whether this change is due to the molecular weight of the product