The results showed that a kind of fast curing novolac for shell process whose softing point is reasonable was easily prepared by compound catalysis.
试验表明，采用复合催化法很容易制备聚合速度快且软化点适宜的壳法用热塑性酚醛树脂。
The results showed that a kind of fast curing novolac for shell process whose softing point is reasonable was easily prepared by compound catalysis .
试验表明，采用复合催化法很容易制备聚合速度快且软化点适宜的壳法用热塑性酚醛树脂。
应用推荐