alkene

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alkene

 [al´kēn]
an aliphatic hydrocarbon containing a double bond.

al·kene

(al'kēn),
An acyclic hydrocarbon containing one or more carbon-carbon double bonds; for example, ethene, propene.
Synonym(s): olefin

alkene

[al′kēn]
an unsaturated aliphatic hydrocarbon containing one double bond in the carbon chain, such as ethylene. Also called olefin.

al·kene

(al'kēn)
An acyclic hydrocarbon containing one or more double bonds; e.g., ethene, propene.
Synonym(s): olefin.

alkene (alˑ·kēnˈ),

n unsaturated hydrocarbon compound that has double covalent bonds with CnH2n as the general chemical formula. Terpenes, found in essential oils, are members of this functional group.

alkene

an aliphatic hydrocarbon containing a double bond.
References in periodicals archive ?
In the FTIR spectra of resins comprising a high content of monomers without aromatic carbon-carbon double bonds, the peaks at 1608 and 1582 [cm.
With the availability of a large number of unsaturated polymers of differing microstructures, the selective reduction of carbon-carbon double bonds offers a way of producing a wide variety of specialty polymers.
The control reaction is the coordination of carbon-carbon double bonds to the intermediate B (k' step) shown in Scheme 1.
After irradiation, no trace of carbon-carbon double bonds was found in the sample, indicating the complete consumption of VTMS via grafting or cross-linking on PPC chain upon irradiation.
has been granted a patent for an aqueous composition useful as an adhesive comprised of at least one halogenated olefin polymer, at least one high-functionality epoxy resin, and at least one diacid-modified resin that is different from the halogenated olefin polymer; wherein the diacid-modified resin is made by reacting one or more resins that contain carbon-carbon double bonds with one or more diacid or diacid-derivative small molecules with carbon-carbon double bonds.
Saturated fat (containing no carbon-carbon double bonds in their structure) are implicated in heart disease but can be repeatedly heated when it comes to frying.
Key statement: A crosslinkable and crosslinked organosilicon polymer which is prepared from a mixture of a reactive polysiloxane resin having both reactive carbon-carbon double bonds and silicone-hydrogen groups, characterized by alternating structures of polycyclic polyene residue and cyclic (or tetrahedral) polysiloxane residue, and either vinyl terminated fluorine-containing polysiloxane or vinyl terminated phenyl-substituted siloxane.
For example, a classification of "R" (as in SBR) indicates the rubber has an unsaturated carbon molecular chain containing carbon-carbon double bonds.
1] disappeared completely, indicating that the carbon-carbon double bonds have reacted to a great extent in the process of vulcanization.
Therban, the first representative of the new elastomer class known as hydrogenated nitrile rubber (HNBR) is a heat, oil and wear resistant specialty rubber obtained by selective hydrogenation of the carbon-carbon double bonds of nitrile rubber (NBR) (refs.