The method of sulfomethylation modification of bayberry tannin extract was investigated.
研究了毛杨梅栲胶的磺甲基方法。
The method of sulfomethylation modification of bayberry tannin extract was investigated.
研究了毛杨梅栲胶的磺甲基方法。
Phenic acid and alkyphenol polyethenoxy ether were selected for copolymerization in mass ratio 3∶1 and sulfomethylation also conducted.
选用苯酚、烷基酚聚氧乙烯醚按3∶1的质量比行共聚,同时行磺亚甲基。
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