研究了以KOH为催化剂,二元或三元醇为起始剂,采用阴离子开环聚合合成淬火剂用共聚醚。 结果表明:产物的分子量随起始剂和杂质量的减少而增加;
The synthesis of oxyethylene oxypropylene copolyethers used for quenchant was studied by using anionic ring opening polymerization, diol or triol as the starting agent and KOH as the catalyst.
以聚合氯化铝(PAC)、阴离子聚丙烯酰胺(PAM)为混凝剂,以H2O2-O3为氧化剂,采用混凝—催化氧化法处理对丁苯橡胶生产废水。
Styrene butadiene rubber production wastewater was treated by the coagulation-catalytic oxidation process with PAC and PAM as coagulants and H2O2-O3 as oxidants.
以聚合氯化铝(PAC)、阴离子聚丙烯酰胺(PAM)为混凝剂,以H2O2-O3为氧化剂,采用混凝—催化氧化法处理对丁苯橡胶生产废水。
Styrene butadiene rubber production wastewater was treated by the coagulation-catalytic oxidation process with PAC and PAM as coagulants and H2O2-O3 as oxidants.
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