A new alternating copolymerized derivative as a cold flow improver for diesel fuel

A new alternating copolymerized derivative as a

cold flow improver for diesel fuel

ZHANG Haikuan;LIU Hongyan;WANG Shujun

【期刊名称】《石油科学（英文版）》 【年(卷),期】2009(006)001

【摘要】Synthesis of a cold flow improver (MAVA-a) for diesel fuel and its effect on solidifying point (SP) and cold filter plugging point (CFPP) of diesel fuels were investigated. The cold flow improver was prepared by using maleic anhydride (MA) and vinyl acetate (VA) as raw materials, toluene as solvent, dibenzoyl peroxide (BPO) as initiator, through alternating polymerization under nitrogen to obtain a binary-polymer and then through aminolysis by using a higher carbon amine as aminating agent at a temperature of 80 ℃. A cold flow improver was designed and prepared for No. 0 diesel fuel from Zhang Jia-Gang Petrochemical Company according to the contents of n-paraffin and its carbon number distribution in the No. 0 diesel fuel. It was also used together with two kinds of ethene-vinyl acetate copolymer improvers (EVA) separately. The test result showed that the CFPP of the No.0 diesel fuel could be lowered by 3-5 ℃ when the improver MAVA-a was used.The CFPP was lowered by 8 ℃ when the improver MAVA-a was used together with EVA-2. 【总页数】4页(82-85)

【关键词】

【作者】ZHANG Haikuan;LIU Hongyan;WANG Shujun

【作者单位】State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China;China National Oil & Gas Exploration and Development Corporation, China National Petroleum Corporation, Beijing 100034, China;State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China;State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China 【正文语种】中文 【中图分类】TE3 【文献来源】

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