A modified alkyd resin has been prepared based on soya oil fatty acid, rosin and waste PETP etc.

 
  • 選用豆油酸、松香、滌綸廢絲等原料合成了改性醇酸樹(shù)脂,用其制成的涂料具有優(yōu)異的光澤和豐滿(mǎn)度。
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国内精品美女A∨在线播放xuan