One of the mysteries of the English language finally explained.
A gaseous hydrocarbon of the alkene series, made by cracking alkanes.
- ‘New metallocene catalysts are used in the preparation of new plastics, including new methods for the polymerization of alkenes such as ethylene and propylene.’
- ‘He used a catalyst discovered by Karl Ziegler to produce polypropylene from propylene.’
- ‘Another major epoxide, propylene oxide, comes from propene reacting with organic hydroperoxides (more reactive equivalents of hydrogen peroxides).’
- ‘Specimens were dehydrated in a graded series of ethyl alcohol and propylene oxide solutions and embedded in araldite.’
- ‘Isopropyl alcohol is made from propylene, a petroleum derivative.’
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