柴油低温流动性改进剂的研制及性能评价 Ⅰ. 低温流动性改进剂对柴油的感受性

摘要

On the basis of analyzing for carbon distributions of n-paraffins and hydrocarbon compositions of diesels, a new pour point depressant which is mainly composed of oil soluble ethylene backbone flow improving copolymer A was prepared. According to the results of the cold filter plugging point (CFPP) test, it is found that this kind of pour point depressant is very helpful to improve the low temperature flowing properties of Shengli 0# diesel which is poorly affected by many other pour point depressants.%在分析胜利石化总厂0#柴油和齐鲁石化0#柴油的烃族组成、蜡碳分布的基础上，进行分子设计，研制出一种柴油低温流动性改进剂。它主要由具有一定粘度的三元共聚物组成。实验结果表明，这种柴油低温流动性改进剂能十分有效地提高胜利石化总厂0#柴油的低温使用性能，而胜利石化0#柴油对目前国内外其它低温流动性改进剂的感受性较差。