The method of sulfomethylation modification of bayberry tannin extract was investigated. 研究了毛杨梅栲胶的磺甲基化改性方法。
The method of the invention can be widely applied to a variety of preparation methods for continuous modification of wollastonite used for plastics. 本发明可以广泛应用到各种塑料用硅灰石连续化改性制备方法中。
