Rosin modified alkyd resin prepared by soybean oilstock fatly acid-rosin-glycerin-pentaerythritol, which means fatty acid method.

 
  • 摘要利用豆油腳脂肪酸-松香-甘油-苯酐,采用脂肪酸法制備松香改性醇酸樹(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