相反，有些热固性树脂一般不熔化或者只是轻度熔化，如酚醛树脂和环氧树脂。
On the other hand, some thermosetting resins generally did not melt or melted slightly, such as phenolic resin and epoxy resin.
本文研究了槚如酚改性酚醛树脂的合成及其在半金属摩阻材料上的应用。
In this paper, the cardnol modified phenolic resins and its use in semi- metal friction materials were studied.
应用推荐