Journal
APPLIED CATALYSIS B-ENVIRONMENTAL
Volume 69, Issue 3-4, Pages 207-212Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apcatb.2006.06.016
Keywords
bio-lubricants; epoxidized soybean oil; cationic ion-exchange resins
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A novel process for the production of biodegradable lubricant-based stocks from epoxidized vegetable oil with a lower pour point via cationic ion-exchange resins as catalysts was developed. This involves two steps, first, ring-opening reactions by alcoholysis followed by esterification of the resultant hydroxy group in the first step. The ring-opening reaction of epoxidized soybean oil with different alcohols such as n-butanol, iso-amyl alcohol and 2-ethylhexanol was carried out in presence of Amberlyst 15 (Dry) as a catalyst; identity of products was confirmed by IR and NMR. Pour points of the products were observed in the range of -5 to - 15 degrees C. The hydroxy group of ring-opening product of n-butanol was further reacted with acetic anhydride in presence of catalyst Amberlyst 15 (Dry), which was previously used to carry out ring-opening reaction by alcoholysis and identity of the resulting product was confirmed by IR. Pour point of the resulting product was observed to be -5 degrees C. (c) 2006 Elsevier B.V. All rights reserved.
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