2-methyl-2-butene

2-methyl-2-butene

[¦tü ′meth·əl ¦tü ′byü‚tēn]
(organic chemistry)
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[54] studied the autoignition of 2-methyl-2-butene by using a shock tube and jet-stirred reactor (JSR) and developed a corresponding kinetic model.
[54] concluded that at high temperatures this olefinic fuel reacts rapidly, similar to related alkane fuels, but the pronounced thermal stability of the allylic pentenyl species inhibits low-temperature reactivity; so 2-methyl-2-butene does not produce cool flames or negative temperature coefficient (NTC) behavior as shown in Figure 5.
Leppard [59] studied the chemistry of the autoignition of alkenes (1-butene, cis-2-butene, iso-butene, 2-methyl-2-butene, and 1-hexene) and their corresponding alkanes (n-butane, iso-butane, 2-methylbutane, and n-hexane) using a motored, single-cylinder engine by measuring stable intermediate species.
Comparatively, the pressure exponents at the same conditions for 2-methyl-2-butene and 1-hexane are -0.4 and -0.3, respectively.
--1-butene/isobutene, utilized for the production of gasoline blending components, also 2-methyl-2-butene, used in North American specialty blendings;