sulfonation reaction

So it is proved that oxidative degradation reaction is necessary to increase the content of humic acid, and sulfonation reaction can increase the cement paste divergence of humic acid.

由此证明了硝酸氧化降解反应对提高褐煤腐植酸含量作用的必要性，同时也证明了化学试剂A的磺化反应可以提高腐植酸对水泥颗粒的分散作用。

The sulfonation reaction on the H-type macroreticular adsorbent

H大孔吸附树脂的磺化反应

In the reaction of sulfonation, the azeotropic water removing, sulfuric acid was used as sulfonating agent.

在磺化反应中, 采用共沸除水硫酸磺化法.

The aromaticity of solvent oil in the sulfonation reaction was investigated.

考察了溶剂油磺化过程中芳烃含量的变化.

Study on the Friedel-Crafts post-crosslinking reaction and sulfonation of a type of new functional fibers

新型功能纤维的Friedel-Crafts交联及磺化反应研究

An acid-proof high water-absorbing resin was prepared from acrylamide as monomer, K_2S_2O_8 as initiator, and N, N'-methylene-bis-acrylamide as crosslinking agent by aqueous solution polymerization and then by sulfonation reaction.

以丙烯酰胺（AM）为单位，K2S2O8为引发剂，N，N′-亚甲基双丙烯酰胺为交联剂，进行水溶液聚合，再对产物进行磺化反应，制得耐酸性高吸水性树脂。

The optimization of sulfonation reaction process of preparing penetrating agent T

快速渗透剂T合成中磺化反应工艺的优化