isoprene

There is no isoprene rubber production industry in China at present which shows properous business opportunity in isoprene rubber production.

目前国内尚没有戊橡胶生产业，戊橡胶产品商机无限。

Abstract： The C5 Fraction derived from ethylene steamcracker contains some very useful components, isoprene, cyclopentadiene and piperylene.

摘 ： 来自裂解乙烯的C5馏份含有有用的化工原料——戊二烯、环戊二烯、戊间二烯。