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实验部分 一、样品备制: 1,2-结构含量为87.2%和40.0%的聚丁二烯(PBd)分级样品,系以甲苯为溶剂经GPC柱分级而制取的;1,2-结构含量为
Experimental Part I Sample Preparation: Polybutadiene (PBd) grading samples with 1,2-structure content of 87.2% and 40.0% were prepared by GPC column with toluene as solvent; Content is