Isobutylene (or 2-methylpropene) is a hydrocarbon with the chemical formula (CH3)2C=CH2. It is a four-carbon branched alkene (olefin), one of the four...
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Methyl methacrylate (section Isobutylene routes)
CH2=C(CH3)CO2CH3 + H2O A process using isobutylene as a raw material has been commercialized by Escambia Co. Isobutylene is oxidized to provide α-hydroxy isobutyric...
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Polyisobutene (redirect from Poly isobutylene)
~1,000,000 Names Other names Polyisobutylene; Poly(isobutene); Poly(isobutylene); PIB Identifiers CAS Number 9003-27-4 Y ChEBI CHEBI:53725 ECHA InfoCard...
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is a synthetic rubber, a copolymer of isobutylene with isoprene. The abbreviation IIR stands for isobutylene isoprene rubber. Polyisobutylene, also known...
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from acetic acid and isobutylene. An attempt at Fischer esterification would lead to elimination of tert-butyl alcohol to isobutylene. Butyl acetate has...
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1,3-butadiene from C4 raffinate stream and which, mainly consists of isobutylene 40~50 wt% and cis- or trans-2-butene 30~35 wt%. Normally C4R1 is a side...
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is an organic polymer made from a mixture of 1-butene, 2-butene, and isobutylene. Ethylene steam cracker C4s are also used as supplemental feed for polybutene...
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Butyl rubber is made by cationic polymerisation of isobutylene with about 2 - 7% isoprene. Isobutylene is also used for the production of methyl tert-butyl...
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methanol. Isobutylene can be produced through a variety of methods. n-butane can be isomerized into isobutane which can be dehydrogenated to isobutylene. In...
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amine butene isomers of butylene – useful as monomers or co-monomers isobutylene – feed for making methyl tert-butyl ether (MTBE) or monomer for copolymerization...
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vacuum gas oil (VGO) as a feedstock to produce primarily propylene, isobutylene, and isoamylene. The rise in demand for polypropylene has encouraged...
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units in the presence of acid catalysts. It can also be produced from isobutylene by dimerization using an Amberlyst catalyst to produce a mixture of iso-octenes...
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route to methacrylic acid starts with isobutylene, which obtainable by dehydration of tert-butanol. Isobutylene is oxidized sequentially to methacrolein...
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gases). The others include propane, propylene, butadiene, butylene, isobutylene, and mixtures thereof. Butane burns more cleanly than both gasoline and...
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tert-butyl phenols are produced annually (year: 2000) in this way, using isobutylene (CH2=CMe2) as the alkylating agent. Especially important is 2,6-ditert-butylphenol...
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1-Butanediol, hydrate of butanal 2,2-Butanediol, hydrate of butanone Isobutylene glycol may be considered a kind of butylene glycol, similarly to butane...
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refining, for example as a catalyst for the reaction of isobutane with isobutylene to give isooctane, a compound that raises the octane rating of gasoline...
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combined styrene with isobutylene, he created a unique material that was solid yet flexible due to the tiny bubbles formed by isobutylene within the styrene...
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g/mol) may refer to: Butenes (butylenes) 1-Butene, or 1-butylene 2-Butene Isobutylene Cyclobutane Methylcyclopropane This set index page lists chemical structure...
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anti-Markovnikov rule can be illustrated using the addition of hydrogen bromide to isobutylene in the presence of benzoyl peroxide or hydrogen peroxide. The reaction...
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oxide production. It can also be produced by the catalytic hydration of isobutylene, or by a Grignard reaction between acetone and methylmagnesium chloride...
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tert-butyl ether is manufactured industrially by the acidic etherification of isobutylene with ethanol at a temperature of 30–110 °C and a pressure of 0,8–1,3...
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trichloride polymerization (then called quasi-living) in 1982 and that of isobutylene (system with cumyl acetate, 2,4,4-trimethylpentane-2-acetate and BCl3)...
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isobutylamine. tert-Butylamine is produced commercially by direct amination of isobutylene using zeolite catalysts: NH3 + CH2=C(CH3)2 → H2NC(CH3)3 The Ritter reaction...
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chocolate Nispero Rosidinha Venezuelan chicle Butadiene-styrene rubber Isobutylene-isoprene copolymer (butyl rubber) Paraffin (via the Fischer–Tropsch process)...
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Fawley. It is used to line tyres. The isobutylene feedstock for the polymers plant comes from the isobutylene plant. The solid halobutyl rubber is formed...
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the t-butyl esters undergo elimination to give the carboxylic acid and isobutylene, simplifying work-up. Esters react with strong oxidizing acids, which...
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Monomer Ceiling temperature (°C) Structure ethylene 610 CH2=CH2 isobutylene 175 CH2=CMe2 1,3-butadiene 585 CH2=CHCH=CH2 isoprene 466 CH2=C(Me)CH=CH2 styrene...
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for alkenes that generate secondary and tertiary carbocations, e.g. isobutylene to pivalic acid. In the Koch reaction, the addition of water and carbon...
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3-tert-butyl-4-hydroxyanisole. It is prepared from 4-methoxyphenol and isobutylene. The conjugated aromatic ring of BHA is able to stabilize free radicals...
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