The method of sulfomethylation modification of bayberry tannin extract was investigated.
研究了毛杨梅栲胶磺甲基化改性方法。
The method of sulfomethylation modification of bayberry tannin extract was investigated.
研究了毛杨梅栲胶磺甲基化改性方法。
Phenic acid and alkyphenol polyethenoxy ether were selected for copolymerization in mass ratio 3∶1 and sulfomethylation also conducted.
选用苯酚、烷基酚氧乙烯醚3∶1量比行共,行磺亚甲基化。
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