propylene

Propylene glycol monoether acetate was synthesized using heteropoly acid as catalyst for the firsttime.

首次以为催剂采用酯法合成二醇单乙醚乙酯。

However,using THEIC initiator,the reaction rate for epichlorohydrin is faster than that of propylene oxide and 2-butoxyxirane,respectively.

在THEIC体系,就链引发而言,环氧氯烷的大于环氧烷、丁基醚环氧乙烷。

The terpolymerization of propylene oxide (PO) and cyclohexene oxide (CHO) with carbon dioxide (CO2) was investigated.

摘要报道了三元共聚物聚甲基乙撑-环己撑碳酯的制备与性能研究。

Three Yuan second grade third rubbers (EPDM) is the ethylene, the propylene and the few non-conjugate diolefin copolymer.

三元乙橡（EPDM）是乙烯、烯和少量非共轭二烯烃的共聚物。

The behavior of forming and cracking of carbenium ions was analyzed and the reaction pathway of propylene formation was summarized.

通过分析正碳离子的生成与裂解反应特点，探讨了烯的生成规律。

It is proved effective that deep well aeration biological treat propylene technology is used to treat propylene epoxide saponated sewage.

实践证明,深井曝气生处理技术处理环氧烷皂污水是行之有效的。

Calcium ammine catalyst was prepared with metal calcium,dehydrated liquid ammonia as raw materials,nano-silica as a carrier and acetonitrile and propylene epoxide as modifiers.

采用金属钙、脱水液氨、载体纳米二氧硅及改性剂乙腈与环氧烷制备出氨钙体系催剂。