Abstract: In this paper, the primary chains are regarded as the basic unit constituting a macromolecule. There upon it, the gel fraction of the product is generally modelled in the chain crosslinking system. Furthermore a practical model correlating the gel fraction of the product with the polymerization conditions is developed in the vinyl chloride - divinyl monomer suspension copolymerization. The model parameter is estimated in the VC - diallyl phthalate copolymerization. The model could correlate well the gel fraction of the product with the polymerization conditions.

摘要： 针对间歇法链式交联聚合体系中交联的不均匀性,推导出适于该体系的凝胶含量模型,并应用于氯乙烯-邻苯二甲酸二烯丙基酯悬浮共聚体系,由实验数据回归求得模型参数K。结果表明,模型可很好地描述聚合条件与聚合产物凝胶分率的关系。