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A Study on The Preparation of Poly(alkyl methacrylate-co-maleic anhydride) as Cold Flow Improvers for Biodiesel Fuels  

Hong, Jin-Sook (Integrated Chemistry Research Division, Industrial Bio-based Materials Research Group, KRICT)
Chung, Keun-Wo (Integrated Chemistry Research Division, Industrial Bio-based Materials Research Group, KRICT)
Kim, Young-Wun (Integrated Chemistry Research Division, Industrial Bio-based Materials Research Group, KRICT)
Kim, Nam-Kyun (Integrated Chemistry Research Division, Industrial Bio-based Materials Research Group, KRICT)
Im, Dae-Jae (EMAX Solutions CO., LTD.)
Publication Information
Applied Chemistry for Engineering / v.23, no.2, 2012 , pp. 232-240 More about this Journal
Abstract
Bio-diesel (BD) is the mono alkyl esters of long chain fatty acids derived from renewable feed stocks like vegetable oils or animal fats. Bio-diesel shows poorer fuel properties than that of diesel fuel in a cold condition. For the diesel fuel, many cold flow improvers have been developed; however, since primary ingredients of bio-diesel are different from those of the diesel fuel, there is a limit to the cold flow improvement when the same cold flow improvers are added to bio diesel. In this study, to improve low temperature properties of bio-diesel, we developed a cold flow improver using an alkyl methacrylate monomer, prepared via ester reaction, and maleic anhydride and also conducted a ring opening reaction using amine. We characterized the products using $^1H-NMR$, FT-IR and GPC methods. In addition, the cold flow improvements of the products in Soybean BD and Palm BD in the concentration rage of 1000~10000 ppm were investigated. It was found that the addition of LMA2SMA6MA2-C8A in Soybean BD improved the pour point by $12.5\;^{\circ}C$.
Keywords
biodiesel; alkyl methacrylate; amidation; cold flow improver; pour point;
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