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Influence of ethylene-co-vinyl acetate copolymers on the flow properties of wax synthetic systems

✍ Scribed by André L. C. Machado; Elizabete F. Lucas

Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
577 KB
Volume
85
Category
Article
ISSN
0021-8995

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✦ Synopsis

Abstract

Wax crystallization can cause serious damage to petroleum flow because as the viscosity increases, there is organic deposition in the pipe lines, which causes oil production reduction. Ethylene–vinyl acetate copolymers (EVA) are used as an alternative to prevent such problems. The influence of EVA copolymers on the properties of wax synthetic systems, composed of a solvent mixture and paraffin and petroleum asphalt residue (PAR), was evaluated in this work. The performance of EVA as a wax inhibitor depends on the molecular weight and vinyl acetate content of the copolymer and on the presence of the asphalt fraction. © 2002 Wiley Periodicals, Inc. J Appl Polym Sci 85: 1337–1348, 2002

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