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Synthesis of Poly(alkyl methacrylate)s Containing Various Side Chains for Pour Point Depressants  

Hong, Jin-Sook (Green Chemistry Division, Chemical Biotechnology Research Center, KRICT)
Kim, Young-Wun (Green Chemistry Division, Chemical Biotechnology Research Center, KRICT)
Chung, Keun-Wo (Green Chemistry Division, Chemical Biotechnology Research Center, KRICT)
Jeong, Soo-Hwan (Department of Chemical Engineering, Kyung Pook National University)
Publication Information
Applied Chemistry for Engineering / v.21, no.5, 2010 , pp. 542-547 More about this Journal
Abstract
n-Paraffin and saturated fatty acid methyl esters in the diesel and bio-diesel fuel crystallize at low temperature. Many articles have addressed various solutions for the low temperature crystallization problem and one of them is the use of methacrylate copolymers. In this work, we synthesized a series of copolymers in the reaction condition of 70 : 30 molar ratio of lauryl methacrylate (LMA) (or stearyl methacrylate (SMA)) and alkyl methacrylates. The structures of the copolymers were characterized by $^1H$-NMR and FT-IR spectroscopy, and the molecular weight of copolymers were obtained from Gel Permeation Chromatography (GPC) method. The concentrations of additives were 500~1000 ppm and 1000~10000 ppm in diesel fuels and bio-diesel fuel (BD5 and BD20), respectively. The addition of copolymers changes the many properties of fuel such as the pour point (PP), cloud point (CP) and cold filtering plugging point (CFPP). For example, the low temperature properties of the copolymers containing SMA ($PSMAmR_2n$) were excellently improved about 15, 7, and $10^{\circ}C$ for PP, CP and CFPP, respectively.
Keywords
biodiesel; poly(alkyl methacrylate)s; pour point depressant; pour point; CFPP;
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Times Cited By KSCI : 2  (Citation Analysis)
Times Cited By SCOPUS : 0
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