The solubility of PPTA copolymer was improved obviously with third monomer adding, but heat resistance of polymer was influenced.

 
  • 選用含有醚鍵和甲烷基結構的第三單體,制備了不同第三單體配比的PPTA共聚物并制備出纖維。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan