改性十二烯基琥珀酸在半合成切削液中的应用
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摘要
以十二烯基琥珀酸(T746)、甲醇、二乙醇胺为原料,采用两步法合成了一种水溶性防锈添加剂十二烯基琥珀酸二乙醇酰胺(T746-X),通过正交试验确定最佳反应条件。采用傅立叶变换红外光谱仪表征有机合成产物的结构;通过湿热法、电化学极化曲线和交流阻抗谱(EIS)研究其在水基切削液中的防锈性能,根据JB/T 7453-2013半合成切削液行业标准对该切削液各项性能进行检测。红外光谱分析显示合成产品为一种脂肪烃醇酰胺类化合物;湿热法和电化学方法分析结果表明,防锈剂T746-X能提高半合成切削液体系的防锈性能;防锈剂T746-X质量浓度为3.75 g/L的半合成切削液稀释液具有良好的防锈性能,且各项性能均符合JB/T 7453-2013技术要求。
A water-soluble anti-rust additive,dodecenylsuccinic acid diethanolamide(T746-X),was synthesized using a two-step method and with dodecenylsuccinic acid(T746),methanol,and diethanolamine as raw materials.The optimal reaction conditions were determined by using orthogonal experiments.The structure of the organic synthesis product was identified by Fourier transform infrared spectroscopy.The rust-preventing performance of the cutting fluid in water-based cutting fluid was studied by the hygrothermal method,electrochemical polarization curve and electrochemical impedance spectroscopy(EIS).The performance of the cutting fluid was evaluated according to JB/T 7453-2013 semi-synthetic cutting fluid industry standard.Infrared spectrum analysis shows that the synthesized product is an aliphatic alkyl alcohol amide compound.The analysis results by hygrothermal method and electrochemical method prove that the rust inhibitor T746-X can improve the anti-rust performance of the semi-synthetic cutting fluid system.The semi-synthetic cutting fluid with antirust agent T746-X concentration of 3.75 g/L has good anti-rust performance,and all the performances meet the technical requirements of JB/T 7453-2013.
A water-soluble anti-rust additive,dodecenylsuccinic acid diethanolamide(T746-X),was synthesized using a two-step method and with dodecenylsuccinic acid(T746),methanol,and diethanolamine as raw materials.The optimal reaction conditions were determined by using orthogonal experiments.The structure of the organic synthesis product was identified by Fourier transform infrared spectroscopy.The rust-preventing performance of the cutting fluid in water-based cutting fluid was studied by the hygrothermal method,electrochemical polarization curve and electrochemical impedance spectroscopy(EIS).The performance of the cutting fluid was evaluated according to JB/T 7453-2013 semi-synthetic cutting fluid industry standard.Infrared spectrum analysis shows that the synthesized product is an aliphatic alkyl alcohol amide compound.The analysis results by hygrothermal method and electrochemical method prove that the rust inhibitor T746-X can improve the anti-rust performance of the semi-synthetic cutting fluid system.The semi-synthetic cutting fluid with antirust agent T746-X concentration of 3.75 g/L has good anti-rust performance,and all the performances meet the technical requirements of JB/T 7453-2013.
引文
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[3]王丽丹,陶桂宝,钟金龙.环保切削液的研究现状及发展趋势[J].重庆理工大学学报,2015(4):44-47.WANG L D,TAO G B,ZHONG J L.Current research situation and developing trend of environmental cutting fluids[J].Journal of Chongqing Institute of Technology,2015(4):44-47.
[4]蒋海珍.新型水溶性防锈抗磨多功能添加剂的研究[D].上海:上海大学,2006.
[5]李金龙,王建华,李春生,等.汽轮机油耐水洗防锈剂研究[J].润滑与密封,2016,41(8):126-128.LI J L,WANG J H,LI C S,et al.Research on water-resistance rust inhibitor of turbine oil[J].Lubrication Engineering,2016,41(8):126-128.
[6]KUMAR D,KUKH,ALI A.One-pot solvent-free synthesis of fatty acid alkanoamides from natural oil triglycerides using alkali metal doped CaO nanoparticles as heterogeneous catalyst[J].Journal of Industrial & Engineering Chemistry,2016,38:43-49.
[7]张萍,邹灯旺,兰云军,等.12-羟基硬脂酸二乙醇酰胺的合成研究[J].中国皮革,2016,45(11):41-47.ZHANG P,ZOU D W,LAN Y J,et al.Synthesis of 12-hydroxystearic acid diethanolamide[J].China Leather,2016,45(11):41-47.
[8]周海,陈远霞,陈文纳,等.十二烯基丁二酸二乙醇酰胺的合成及其防锈性能研究[J].化工技术与开发,2008,37(2):12-14.ZHOU H,CHEN Y X,CHEN W N,et al.Synthesis and antirust performance study on dodecencylsuccinic acid diethanolamide[J].Technology & Development of Chemical Industry,2008,37(2):12-14.
[9]GAO H,LI Q,CHEN F N,et al.Study of the corrosion inhibition effect of sodium silicate on AZ91D magnesium alloy[J].Corrosion Science,2011,53(4):1401-1407.
[10]SHEN S,GUO X Y,SONG P,et al.Phytic acid adsorption on the copper surface:Observation of electrochemistry and Raman spectroscopy[J].Applied Surface Science,2013,276(4):167-173.
[11]徐子谦,李明芳,马鸿婷,等.用电化学阻抗谱研究提高锆基无铬化学转化膜耐蚀性的方法[J].电镀与涂饰,2018,37(4):173-177.XU Z Q,LI M F,MA H T,et al.Study on methods for improving corrosion resistance of chromium-free zirconium-based chemical conversion film by electrochemical impedance spectroscopy[J].Plating & Finishing,2018,37(4):173-177.
[12]杜艳芳,郑欣,郑亚楠,等.金属铜在不同环境下的腐蚀研究[J].材料保护,2016,49(S1):81-83.
[13]杜海燕,路民旭,吴荫顺,等.脂肪酰胺类缓蚀剂对X65钢抗CO2腐蚀的机理研究[J].金属学报,2006,42(5):533-536.DU H Y,LU M X,WU Y S,et al.Study of inhibition mechanism of stearamide derivative on CO2 corroded steel X65[J].Acta Metallurgica Sinica,2006,42(5):533-536.
[14]张天胜,张浩,高红.缓蚀剂[M].北京:化学工业出版社,2008:82-113.