磺化反应；
The sulfonated polystyrene (SPS) has been prepared by sulfonation reaction of the polystyrene, which is used as a filtrate reducer for oil well cement slurry.
通过磺化改性，制备了磺化聚苯乙烯（SPS）作为油井水泥降失水剂。
Factors affecting sulfonation reaction such as microwave power, heating time, reactants ratio, swelling agent and the position of reaction container in cavity of microwave oven were investigated.
研究了微波功率、加热时间、反应物配比、溶胀剂、反应器在微波炉内的位置等因素对磺化反应的影响。
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。
It was investigated that the effects of type and amount of sulfite and catalyst as well as solvent, temperature and time of reaction on sulfonation.
研究了溶剂、催化剂、磺化剂的种类及用量、反应条件对磺化率的影响。
Polycarboxylate superplasticizer with carboxylic, sulfonation groups in its main chain and polyoxyethylene ether as side chains was prepared by the macromolecular reaction.
通过大分子反应，合成了一类主链带羧基、磺酸基，支链带聚氧乙烯基醚的聚羧酸系高效减水剂。
Reaction time short, the sulfonation efficiency is high.
反应时间短，磺化效率高。
The use of temperature and acid concentration to increase the rate of sulfonation while controlling the side reaction of sulfone bridging minimizes reaction time while maximizing bead quality.
在控制砜桥副反应的同时，使用能够提高磺化速率的温度和酸浓度，使珠粒质量最佳化的同时降低了反应时间。
The use of temperature and acid concentration to increase the rate of sulfonation while controlling the side reaction of sulfone bridging minimizes reaction time while maximizing bead quality.
在控制砜桥副反应的同时，使用能够提高磺化速率的温度和酸浓度，使珠粒质量最佳化的同时降低了反应时间。
应用推荐