Also found in: Thesaurus, Encyclopedia, Wikipedia.
Related to isobutylene: Polyisobutylene, Fuming sulfuric acid, Poly isobutylene


(Chemistry) chem a gas that is an isomer of butylene and which is used in the manufacture of butyl rubber. Formula: (CH3)2C=CH2


(ˌaɪ səˈbyut lˌin)

a colorless, very volatile liquid or flammable gas, C4H8, used chiefly in the manufacture of butyl rubber.
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)
References in periodicals archive ?
Based on a copolymer of isobutylene and maleic anhydride, the fiber will be used in the development of new specialty fiber superabsorbents.
Propylene is a building block material used in the production of films and packaging, while isobutylene is a key ingredient for fuels and synthetic rubber.
The second chapter focuses on isobutylene oxide end-uses, the third one gives summary on a number of patents.
This complex has units producing polyethylene, synthetic rubbers, latex, propylene glycol, pyrolysis benzene and fractions of butene, butylene and isobutylene.
Lummus Technology will be providing technology for a world scale steam cracker complex comprising ethylene, butadiene, benzene, isobutylene and MTBE units.
ETBE, an oxygenated component, is made by combining plant-derived ethanol with a petroleum product, isobutylene.
It is made from blending chemicals such as isobutylene and methanol, and has been used since the 1980s as an additive for unleaded petrol to achieve more efficient burning.
Physical, mechanical and thermal properties of a new class of isobutylene based model block copolymers are studied and contrasted with those of traditional thermoplastic elastomers based on polydienes and saturated polydienes (polyolefins) such as Kraton (or Vector) and Kraton G block copolymers.
UOP's fast-to-market solution with key, pre-engineered components enabled this project to go from kick-off to start-up in just 20 months -- about 10 to 12 months earlier than a typical project of this size -- allowing Shandong Luqing to start producing isobutylene sooner," said Mike Millard, vice president and general manager of UOP's Process Technology and Equipment business unit.
Other major popular segments of synthetic rubber include Ethylene Propylene-Diene Monomer Rubber (EPDM), Nitrile Butadiene Rubber (NBR), Butyl Rubber or Isobutylene Isoprene Rubber (IIR) and Poly-isoprene or Isoprene Rubber (IR).
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.
The technology consistently delivers superior performance due to its high reliability, low energy usage, high isobutylene yields, and a fully recyclable platinum alumina-based catalyst system using proven continuous catalyst regeneration (CCR) technology.