A new kind of bismaleimide resin which could be dissolved in acetone was prepared by bismaleimide,diamine,modifier A.

 
  • 在二胺改性雙馬來(lái)酰亞胺樹(shù)脂中加入少量改性劑A可制得1種能溶于丙酮的雙馬來(lái)酰亞胺樹(shù)脂。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan