References
Campanella, A., Rustoy, E., Baldessari ,A. and Baltanás, M. A.(2010). Lubricants from chemically modified vegetable oils. Bioresource Technology, 1 : 245-254.
Cao, Y., Song, F., Zhao,Y. and Zhong, Q. (2013). Capture of carbon dioxide from flue gas on TEPA-grafted metal-organic framework Mg2(dobdc). Journal of Environmental Sciences, 25 : 2081-2087.
Gu, Y.-Y., Zhao, X.-H., Zhang, G.-R., Ding, H.-M. and Shan,Y.-K. (2007). Selective hydroxylation of benzene using dioxygen activated by vanadium–copper oxide catalysts supported on SBA-15. Applied Catalysis A: General, 328 :150–155.
Huddleston, J. G., Visser, A. E., Reichert, W. M., Willauer H. D., Broker,G. A. and Rogers, R. D. (2001). Characterization and comparison of hydrophilic and hydrophobic room temperature ionic liquids incorporating the imidazolium cation. Green Chemistry, 3 : 156–164.
Karimi, B. and Vafaeezadeh, M.(2012). SBA-15-functionalized sulfonic acid confined acidic ionic liquid: a powerful and water-tolerant catalyst for solvent-free esterification, Chemical Communication,48 : 3327–3329.
Kuzminska, M., Backov, R. and Gaigneaux, E.M. (2015). Complementarity of heterogeneous and homogeneous catalysis for oleic acid esterification with trimethylolpropane over ion-exchange resins. Catalysis Communications, 59 :222-225.
Lathi, P. S. and Mattiasson, B.(2007).Green approach for thease stock from epoxidized vegetable oil. Applied Catalysis, 69 : 207-212.
Li, R.-J., Chen, L. and Yan, Z.-C.(2012).Synthesis of Trimethylolpropane Esters of Oleic Acid Using a Multi-SO3H-Functionalized Ionic Liquid as an Efficient Catalyst. Journal of the American Oil Chemists’ Society,  89: 705–711.
Mahmud ,H. A., and Salimon, J. (2014). Optimization of Esterification of Oleic acid and Trimethylolpropane (TMP) and Pentaerythritol (PE), the 2014 UKM FST Postgraduate Colloquium AIP Conf. Proc., 1614 : 230-236; doi: 10.1063/1.4895201.
Miles, P. (1998). Synthetics versus vegetable oils: application, options, and performance, J . Synthetic Lubrication,15 : 43–52.
Qiao, S., Shi,Y., Wang, X., Lin, Z. and Jiang, Y. ( 2017). Synthesis of Biolubricant Trimethylolpropane Trioleate and Its Lubricant Base Oil Properties. Energy and Fuels, 31 : 7185-7190.
Shalaby, N. H., Elmelawy, M. S., and Hassan ,S. A.(2018). A study on optimization of acid sites concentration versus pore dimensions in modified solid acid catalysts for biodiesel production. Energy Sources, Part A: Recovery, Utilization, and Environmental Effects,40 : 22–32.
Wang, F., Wang, K., Li, J., Han, Q. , Zhao, Q. and Hu, K. (2019). Synthesis of Trimethylolpropane Esters as Potential Insulating Oil Base Stocks, 2019 IEEE 20th International Conference on Dielectric Liquids (ICDL), Roma, Italy, pp. 1-4.
Wang, Y., Zhao, D., Wang, L., Wang, X., Li, L., Xing, Z., Ji, N., Liu, S., and Ding, H.(2018) Immobilized phosphotungstic acid based ionic liquid: Application for heterogeneous esterification of palmitic acid. Fuel, 216 : 364–370.
Wu ,Y., , Li,W. , Zhang, M., Wang, X. (2013). Improvement of oxidative stability of trimethylolpropane trioleate lubricant. Thermochimica acta,569 : 112-118.
Xm, L., Hy, M. , Wu, Y., Wang, C., Yang, M., Yan, P.F. and Biermann, U.W. (2011). Esterification of glycerol with acetic acid using double SO3H-functionalized ionic liquids as recoverable catalysts. Green Chem istry, 13 :697–701.
Zhang, L., Xian, M. , He, Y.,Li, L. , Yang, J., Yu, S. and Xu, X.( 2009). A Brønsted acidic ionic liquid as an efficient and environmentally benign catalyst for biodiesel synthesis from free fatty acids and alcohols. Bioresource Technology, 100 : 4368–4373.
Zhang, X. , Murrenhoff, H. , Weckes, P. and Holderich, W. (2004). Effect of Temperature on the Ageing Behaviour of Unsaturated Ester-Based Lubricants, J . Synthetic Lubrication, 21 : 1-11, DOI: 10.1002/jsl.3000210102.
Zhao, D., Huo, Q. , Feng, J. et al.(1998). Nonionic triblock and star diblock copolymer and oligomeric surfactant syntheses of highly ordered, hydrothermally table, mesoporous silica structures. J. American Chemical Society , 120 : 6024–36.