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。

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.

youdao

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。

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.

youdao