Definitions
from The Century Dictionary.
- noun Same as
propylene .
from the GNU version of the Collaborative International Dictionary of English.
- noun (Chem.) Same as
propylene .
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun organic chemistry The official
IUPAC name for theorganic chemical compound propylene . Analkene which is a colorlessgaseous (at roomtemperature andpressure )hydrocarbon with thechemical formula C3H6.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a flammable gas obtained by cracking petroleum; used in organic synthesis
Etymologies
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Examples
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The "gasoline" version (Figure 1) consists of dimerising propene to high-octane isohexenes.
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Both of these mechanisms were based on smog chamber experiments involving butane and propylene or propene, if you're a nomenclature purist.
Hot Buttered James Killus 2008
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There is, quite often, an excess of propene, especially in oil refineries that do not have petrochemicals, as in the United States.
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So I suggested that they load one side of the chamber with a standard mix of NOx and propylene or propene, or methyl ethane, which are different words for the same stuff, and the other side with the same mix, plus some toluene.
Archive 2007-09-01 James Killus 2007
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So I suggested that they load one side of the chamber with a standard mix of NOx and propylene or propene, or methyl ethane, which are different words for the same stuff, and the other side with the same mix, plus some toluene.
The Scientific Method James Killus 2007
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In the next step this rapidly reacts either with Nu - and gives the substitution product or transfers a proton to the solvent or Nu - to give propene.
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During polymerization, propene monomer units insert between hafnium and the existing polypropylene chain, Sita explains.
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The palladium catalysts outperformed the platinum ones in nitric oxide and propene conversion; however, they fell short in the processing of propane unless the temperature was above 320 ºC (600 ºF).
Ars Technica Casey Johnston 2010
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Gouw found that the concentrations of ethene and propene -- which both contribute to ozone formation -- dropped by 52 percent and 48 percent respectively between 2000 and 2006.
PhysOrg.com - latest science and technology news stories 2010
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The rates of Hf-Zn/Zn-Al transfer are much faster than direct Hf-Al exchange, and all the chain-transfer rates are faster than the propene insertion step, Sita notes.
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