화학공학소재연구정보센터
Journal of Industrial and Engineering Chemistry, Vol.19, No.2, 580-588, March, 2013
Formulation and processing of virgin and recycled polyolefin/oil blends for the development of lubricating greases
E-mail:
This work has been focused on the development of polyolefins/oil blends potentially suitable as lubricating greases by studying the effect that some thermo-mechanical processing variables exert on their rheological properties and microstructure. Polyolefin/oil blends have been prepared by dispersing recycled and virgin polyolefins such as high-density polyethylenes (HDPEs) and polypropylenes (PPs) in mineral lubricating oil. Linear viscoelasticity functions have been significantly influenced by processing conditions. The nature of polymers used, specially the content of HDPE, has been found to modify the microstructure of blends yielding lower mechanical stability but, on the other hand, higher values of linear viscoelastic functions.
  1. Chtourou M, Frikha MH, Trabelsi M, Applied Clay Science., 32, 210 (2006)
  2. Chtourou M, Trabelsi M, Baklouti S, Frikha MH, Russian Journal of Applied Chemistry., 79, 380 (2006)
  3. Hassan AM, Shahba RMA, Youssif MA, Mazrouaa AM, Youssif MAE, J. Appl. Polym. Sci., 119(2), 1026 (2011)
  4. Nunez N, Martin-Alfonso JE, Eugenio ME, Valencia C, Diaz MJ, Franco JM, Ind. Eng. Chem. Res., 50(9), 5618 (2011)
  5. Martı´n-Alfonso JE, Nunez N, Valencia C, Franco JM, Dı´az MJ, J. Ind. Eng. Chem., 17(5-6), 818 (2011)
  6. Franco JM, Delgado MA, Valencia C, Sanchez MC, Gallegos C, Chem. Eng. Sci., 60(8-9), 2409 (2005)
  7. Jhon MS, Choi HJ, J. Ind. Eng. Chem., 7(5), 263 (2001)
  8. Garcia-Morales JA, Franco JM, Valencia C, Sanchez MC, Gallegos C, J. Ind. Eng. Chem., 10(3), 368 (2004)
  9. Sanchez R, Franco JM, Delgado MA, Valencia C, Gallegos C, Chem. Eng. Res. Des., 86(10A), 1073 (2008)
  10. Sa´nchez R, Franco JM, Delgado MA, Valencia C, Gallegos C, Grasas y Aceites., 62, 328 (2011)
  11. National Lubricating Greases Institute, NLGI Lubricating Greases Guide, Kansas City (1994)
  12. Guo Q, Chung PS, Jhon MS, Choi HJ, Macromolecular Theory and Simulations., 17, 454 (2008)
  13. Martı´n-Alfonso JE, Valencia C, Sa´nchez MC, Franco JM, Gallegos C, European Polymer Journal., 43, 139 (2007)
  14. Martin-Alfonso JE, Valencia C, Sanchez MC, Franco JM, Gallegos C, Ind. Eng. Chem. Res., 48(8), 4136 (2009)
  15. Martın-Alfonso JE, Moreno G, Valencia C, Sanchez MC, Franco JM, Gallegos C, J. Ind. Eng. Chem., 15(5), 687 (2009)
  16. Martin-Alfonso JE, Valencia C, Sanchez MC, Franco JM, Gallegos C, Mater. Chem. Phys., 128(3), 530 (2011)
  17. Fuentes-Aude´ n C, Martı´nez-Boza FJ, Navarro FJ, Partal P, Gallegos C, Polymer Testing., 26, 323 (2007)
  18. Barral M, Santamari´a A, Pena JJ, Munoz ME, Macromolecular Materials and Engineering., 288, 951 (2003)
  19. Jhon MS, Choi HJ, Polymer, 51(9), 1882 (2010)
  20. Jhon MS, Izumisawa S, Choi HJ, J. Ind. Eng. Chem., 9(5), 508 (2003)
  21. Varma-Nair M, Wunderlich B, Journal of Physical Chemistry., 20, 349 (1991)
  22. Mathot VBF, Calorimetry and Thermal Analysis of Polymers, Hanser Publisher, New York (1994)
  23. Grecco R, Mancarella C, Martuscelli E, Ragosta G, Jinghua Y, Polymer., 28, 1929 (1987)
  24. Dintcheva NT, Jilov N, LaMantia FJ, Polymer Degradation and Stability., 57, 191 (1997)
  25. Lee H, Cho K, Ahn TK, Choe S, Kim IJ, Park I, Lee BH, J. Polym. Sci. B: Polym. Phys., 35(10), 1633 (1997)
  26. Bershtein VA, Egorov VMVM, Differential Scanning Calorimetry of Polymer, Pearson Education, New York (2002)
  27. Sanchez MC, Franco JM, Valencia C, Gallegos C, Urquiola F, Urchegui R, Tribology Letters., 41, 463 (2011)
  28. Ferry JD, Viscoelastic Properties of Polymers, Wiley, New York (1980)
  29. All A, Lockwood F, Klaus EE, Duda JL, Tewksbuly EJ, ASLE Transactions., 22, 267 (1979)
  30. Naidu SK, Klaus EE, Duda JL, Industrial and Engineering Chemistry Product Research and Development., 23, 613 (1984)
  31. Stromberg E, Karlsson S, J. Appl. Polym. Sci., 112(3), 1835 (2009)
  32. Ishchuk YI, Lubricating Grease Manufacturing Technology, New Age International Limited Publishers, New Delhi (2005)