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衍射儀、差示掃描量熱法(DSC)、凝膠滲透色譜(GPC)等分析技術(shù)對無(wú)規共聚聚丙烯(PPR)管材專(zhuān)用料的結構和性能進(jìn)行研究,并且與國外料進(jìn)行了對比。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan