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《Journal of Liaoning University of Petroleum & Chemical Technology》 2006-03
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Preparation and Application on Depressant of Acrylate Copolymer

FU Xue,LI Dan-dong,YU Hai-lian,WANG Rong-hui,CAO Zu-bin~*(School of Petrochemical Technology,Liaoning University of Petroleum & Chemical Technology,Fushun Liaoning 113001,P.R.China)  
In order to improve property of low temperature flow for diesel and increase supply of diesel,polyacrylate depressant was synthesized by using acrylic acid and higher alcohol as raw material.After esterification,the mixed acrylate was polymerized using azodiisobutyronitrile as initiating agent.The results show that the acrylate copolymer depressant exhibits excellent effect of solidifying point reduction on the diesel,the solidifying point of 0~# diesel and 5~# diesel decreases about 14 ℃ and 18 ℃,respectively.When the inherent viscosity of the depressant is 26~45 mL/g,the effect of depressant on diesel is the optimal.When mass fraction of the depressant is 0.4%,the solidifying point of distilled diesel and lubricate decreases 13 ℃ and 25 ℃,respectively.When the mass ratio of polyacrylate-type depressant and naphthalene geepound is 1∶1,the solidifying point of 0~# diesel decreases is 29 ℃.
【CateGory Index】: TE624.81
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