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Type: Artigo de periódico
Title: Gelation Behavior of N-Decane Organogels with Gelators C28 and C40
Author: Nurnberger, JV
dos Santos, RG
de Oliveira, MG
Mohamed, RS
Abstract: Organogel formation during paraffin crystallization is one of the causes of oilfield problems. We investigated the formation of n-alkane organogels having C10 as liquid phase and n-octacosane (C28) and n-tetracontane (C40) as solid gelators. It was seen that C10/C28 and C10/C40 form organogels with onset gelation temperatures of 33 degrees C and 48 degrees C respectively, while C10/C28/C40, gelify at 52 degrees C. Replacement of C28 by n-heneicosane (C21) reduced the crystallization rate of C40. This result indicates that the onset temperatures and crystallization rates of organogels with gelators in the range of C28 to C40 could be modulated through the introduction of shorter chain n-alkanes.
Subject: Crystallization
Country: EUA
Editor: Taylor & Francis Inc
Citation: Journal Of Dispersion Science And Technology. Taylor & Francis Inc, v. 30, n. 7, n. 1067, n. 1072, 2009.
Rights: fechado
Identifier DOI: 10.1080/01932690802598796
Date Issue: 2009
Appears in Collections:Unicamp - Artigos e Outros Documentos

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