olefin

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olefin

(ō`ləfĭn) or

olefin series:

see alkenealkene
, any of a group of aliphatic hydrocarbons whose molecules contain one or more carbon-carbon double bonds (see chemical bond). Alkenes with only one double bond have the general formula CnH2n.
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olefin

[′ō·lə·fən]
(organic chemistry)
Cn H2 n A family of unsaturated, chemically active hydrocarbons with one carbon-carbon double bond; includes ethylene and propylene.
(textiles)
A manufactured fiber in which the fiber-forming substance is any long-chain synthetic polymer composed of at least 85% by weight of ethylene, propylene, or other olefin units except amorphous (noncrystalline) polyolefins qualifying as rubber.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

olefin

A lightweight, high-strength, long-chain polymeric material having very good abrasion resistance; especially used in indoor-outdoor carpeting.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
The main ingredients of fresh baby ginger or baby ginger paocai belonged to alcohols, aldehydes, olefines, and esters.
BM gasification was particularly popular in the 1970s and several technologies such as Peatgas, Hy-gas, and Hyflex processes, with mainly peat used, were developed to pilot plant level with the aim to produce either a rich in [CH.sub.4] substitute to natural gas or low boiling hydrocarbons (mainly olefines) for further conversion.
Plus recemment, son groupe a mis au point uncertain nombre d'applications issues de Ia chimie Zr-Pet Ti-S dans des process us stoechiometriques et catalytiques, et decouvert une nouvelle categorie de catalyseurs hautement efficaces de polymerisation des olefines.
On the reference to 'Olefines 7' as a name, having worked on the Wilton site when it was ICI in the mid sixties and having family working there now, they, like me, may disagree with the writer.
If I was interested in naming it, an appropriate name would be Olefines 7 as it resembles many structures at Wilton ICI.
ICI apologises for noise from plant shutdown ICI apologised to nearby residents in advance about the extra noise from the shutdown of the Olefines Six Plant at Wilton.
In view of its reactivity with many compounds including olefines, ruthenium tetroxide is commonly used as a staining agent for polymers in order to enhance image contrast by increasing the electronic density of those regions that can be oxidated at a higher rate, like the amorphous regions in polyethylene.
The plant, which will be built near to the defunct Olefines 5 plant at the North-east of the Wilton site, will help underpin the future of the current world-scale Olefins Cracker Wilton, which is also owned by Huntsman.
Its local operations include Tioxide at Greatham and Billingham, polyurethanes at Wilton, Aromatics at North Tees, Paraxylene at Wilton, North Tees Logistics and Olefines operations including the Wilton cracker.