Catalytic Synthesis of Oxymolybdenum Dialkydi thiophosphate

Journal of Liaoning Petrochemical University ›› 2006, Vol. 26 ›› Issue (2): 42-45.

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Catalytic Synthesis of Oxymolybdenum Dialkydi thiophosphate

1 .School of Petrochemical Technology , Liaoning University of Petroleum & Chemical Technology , Fushun Liaoning 113001 ,P .R .China ;
2.Fushun Chemical Research & Design Institute , F ushun Liaoning 113006 , P .R .China

Received:2005-12-02 Published:2006-02-25 Online:2006-02-25

催化法合成二烷基二硫代磷酸氧钼

张顶天^{1, 2} , 赵德智^{1 ＊}

1 .辽宁石油化工大学石油化工学院, 辽宁抚顺113001 ;
2 .抚顺市化工研究设计院, 辽宁抚顺113006

作者简介:张顶天(1972 -), 男, 高级工程师, 在读工程硕士。

Abstract

Abstract:

　 Oxymolybdenum dialkyldithiophosphate(MoDDP)additive was synthesized by using the new type catalyst HY-6 acidic ion-exchange resin .The effects of mass fraction and the yield of the metal molybdenum , the reactant selectivity , the preparation conditions of dialkydithiophosphate (HDDP)were investigated .The optimum process conditions were determined .The optimum reaction conditions for preparing HDDP are as follows :molar ratio of the compound alcohol (C₄ , C₈)to P2S5 is 3.95∶1, reaction temperature is 70 ～ 90 ℃, reaction time is 2 h .The optimum reaction conditions for preparing MoDDP are as follows:reaction temperature is 80 ～ 100 ℃, reaction time is 4～ 6 h with HY-6 as catalyst .The results show that the mass fraction of molybdenum content of product is above 10 %, the yield of MoDDP reach 85 %.The friction test machine antiwear performances of MoDDP were evaluated .The product by this catalytic method has the similar effectiveness to that of reduction method.

Key words: 　Oxymoly bdenum dialky dithiophosphate , 　Synthesis, Ion exchange resin , 　Catalyst

摘要： 采用HY-6 型酸性离子交换树脂催化剂合成二烷基二硫代磷酸氧钼(MoDDP)。通过对金属的质量分数及收率、反应产物选择性、硫磷酸制备条件等方面的考核, 确定了最佳工艺条件。结果表明, 在混醇与五硫化二磷的摩尔比为3.95∶1 , 控制反应温度为70～ 90 ℃, 反应时间为2 h 的条件下制备硫磷酸。在催化剂存在下, 保持温度为80 ～ 100 ℃, 反应时间4～ 6 h 制备二烷基二硫代磷酸氧钼, 产物中金属钼的质量分数达到10 %以上, 二烷基二硫代磷酸氧钼的收率超过85%。制得的产品经摩擦试验机验证其摩擦性能与传统还原法产品相当。

关键词: 二烷基二硫代磷酸氧钼, 　合成, 　离子交换树脂, 　催化剂

ZHANG Ding -tian, ZHAO De -zhi. Catalytic Synthesis of Oxymolybdenum Dialkydi thiophosphate[J]. Journal of Liaoning Petrochemical University, 2006, 26(2): 42-45.

张顶天, 赵德智. 催化法合成二烷基二硫代磷酸氧钼[J]. 辽宁石油化工大学学报, 2006, 26(2): 42-45.

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Catalytic Synthesis of Oxymolybdenum Dialkydi thiophosphate

催化法合成二烷基二硫代磷酸氧钼

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