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Definition of olefin in English:

olefin

noun

(also olefine)

Chemistry

another term for alkene

‘Epoxidation, the conversion of an olefin (an unsaturated alkene hydrocarbon) to a cyclic ether through reaction with hydrogen peroxide, a peracid, or oxygen, is an important chemical technique.’

‘Whatever the feedstock, the product slate is a complex mixture of hydrogen, ethylene, other olefins, diolefins and gasoline as well as smaller amounts of acetylenes and carbon monoxide.’
‘The second phase comprises an organic solvent containing soluble reagents such as olefins.’
‘Sharpless had begun his investigations into the oxidation of olefins after starting work as an assistant professor at the Massachusetts Institute of Technology in 1970.’
‘In addition, the isomerization of olefins with small molecular weight in glassy solvent at 77 K have been proposed to proceed by H-T mechanism.’
‘Process for selective hydrogenation of highly unsaturated compounds and isomerization of olefins in hydrocarbon streams’
‘Classes of polymers used in integrated optics include acrylates, polyimides, polycarbonates, and olefins.’
‘For the pathway of cis-trans isomerization of olefins, we suggest distinguishing conjugated olefins (including stilbenes) of little polarity from other cases.’
‘Activator solid support for metallocene catalysts in the polymerization of olefins, a process for preparing such a support, and the corresponding catalytic system and polymerization process’
‘There are four large plants here - Qenos resins, plastics, elastomers and olefins.’
‘Ethylene, a two-carbon olefin, is a volatile hormone in higher plants.’
‘The company said the quarter saw a decline in international prices of olefins, polymer as well as fibre-intermediate on the back of weaker crude oil prices compared with the trailing quarter.’
‘The material is a thermoplastic olefin nanocomposite.’
‘Thermoplastic olefin was considered instead of the vinyl substrate covering.’
‘By use of the present invention it is possible to produce an olefin polymer with high stereoregularity, broad molecular weight distribution, and good fluidity, at high rates of yield.’
‘I've never done an olefin metathesis reaction, which means that the trend started without me and will leave without me.’
‘It is preferred that the top membrane portion and the base membrane portion are made from thermoplastic olefin material or polyvinyl chloride material.’
‘Such investment will be made in the production of plastic pellets, olefins, and aromatics.’
‘Process for the preparation of an olefin polymer using metallocenes having specifically substituted indenyl ligands’
‘The device has three injection-molded elements made of a cyclic olefin copolymer: the lid, a mixing chamber and a delivery cartridge.’