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.
本发明涉及一种硅胶担载含硒阴离子的离子液体催化剂及其制备方法和应 用。
The invention relates to a silicone impregnated Se anion and the ionic liquid catalyst preparation methods and application.
实验研究了溴代十二烷的异相催化合成（反应是以十二醇和氢溴酸为原料，在预处理后的717阴离子交换树脂催化剂作用下进行的）。
The heterogeneous catalytic synthesis of 1 bromododecane from ROH and HBr is studied . The experiment is carried out with 717 anion exchange resin as catalyst .
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