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多分散性是高聚物的基本特征之一,分散程度大小直接影响高聚物的性质。高聚物的分散度一般用不同矩次的统计平均分子量之间的比值来表征,因此了解不同统计平均分子量之间的关系以及多分散性的影响,对高分子教学和实验研究是有必要的。本文拟从更为普遍的意义上讨论上述问题。
Polydispersity is one of the basic characteristics of polymers, the degree of dispersion directly affects the properties of polymers. Polymer dispersions are generally characterized by the ratio between the statistical average molecular weights of different moments so understanding the relationship between the different statistical average molecular weights and the effect of polydispersity is necessary for polymer teaching and experimental studies . This article intends to discuss the above issues in a more general sense.