Trace water in the initiator system is an important factor which affects the initiating terminal group structure and the performance of the random copolymer of ethylene oxide and propylene oxide.

引发体系中的微量水分是影响环氧乙烷环氧丙烷无规聚醚起始端基结构，并进一步影响其分子量和使用性能的重要因素。

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Structure and properties of the special random copolymer of propylene(PPR) for pipe were studied by NMR, XRD, DSC and GPC and compared with imported samples.

采用核磁共振（ NMR）、X衍射仪、 差示扫描量热法（ DSC）、 凝胶渗透色谱（ GPC）等分析技术对无规共聚聚丙烯（ PPR）管材专用料的结构和性能进行研究，并且与国外料进行了对比。

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This paper briefly reviewed the structure characterization and its methods of random copolymer of propylene.

综述了丙烯无规共聚物的结构表征方法及其结果。

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