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(Chemistry) chem a gas that is an isomer of butylene and which is used in the manufacture of butyl rubber. Formula: (CH3)2C=CH2
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌaɪ səˈbyut lˌin)

a colorless, very volatile liquid or flammable gas, C4H8, used chiefly in the manufacture of butyl rubber.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.isobutylene - used also in making gasoline components
butene, butylene - any of three isomeric hydrocarbons C4H8; all used in making synthetic rubbers
butyl - a hydrocarbon radical (C4H9)
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Summary: Global Isobutylene Market Report 2019 explores future trends for supply, demand and market growth rate, market size, prices, trading, competition and value chain as well as Key Players of the industry's information with forecast from 2019 to 2024.
A spokesperson for the Harris County Marshal's office said KMCO believes the blaze was caused after a transfer line ignited in the area of a tank of the flammable gas isobutylene. Employees reportedly ran after the tank ignited.
The co-monomers may be fluorinated monomers or olefins such as ethylene, propylene, and Isobutylene. Articles made from the expandable copolymer may include tapes, membranes, films, and fibers, and are suitable in a variety of end applications such as medical devices.
Several Catofin units using HGM for isobutylene production have gone on-stream since 2011, all confirming the advantages of HGM technology at full commercial scale.
This has units producing polyethylene, synthetic rubbers, latex, propylene glycol, pyrolysis benzene and fractions of butene, butylene and isobutylene. There is also an old and heavily-polluted chlorine complex based on mercury cells.
Additionally, the company said that the project is part of the new refinery and petrochemicals integrated development (RAPID) project in Johor, Malaysia, and the technology for the steam cracker complex consisting of ethylene, butadiene, benzene, isobutylene and MTBE units will be provided by Lummus Technology.
This can later be used to produce isobutylene by dehydration, which eliminates the dependency on crude oil in rubber production.
The units are to produce 684 metric tonnes per annum (MTA) of isobutylene and 950 MTA of propylene.
India, June 22 -- Vinati Organics has commenced operations of its new plant of isobutylene (IB) with an installed capacity of 12,000 MT at its Lote plant in Maharashtra.
said Thursday it has signed a contract with Brazil's Compania Petroquimica do Sul to import ethyl tertiary butyl ether, a compound of ethanol and isobutylene, from Brazil.