简述了俄罗斯异戊橡胶生产技术及其单体异戊二烯生产的两种工艺，并介绍了俄罗斯有关异戊橡胶新工艺的最新进展。
This paper reviewed the production technologies of both isoprene rubber and its monomer isoprene in Russia. The progress of new relevant technology of isoprene rubber is also introduced.
阀座材料应该是下列材料之一：乙烯-丙烯-二烯系单体或氟橡胶，在顶部和底部配置聚四氟乙烯轴承支撑。
The seat material shall be one of the following materials: ethylene-propylene-diene monomer or fluoroelastomer with polytetrafluoroethylene bearing support at the top and bottom.
均聚物的例子有单体为异戊二烯的天然橡胶以及单体为乙烯的聚乙烯。
Examples of homopolymers are natural rubber, whose monomer is isoprene, and polyethylene, whose monomer is ethylene.
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