Mechanical and Antibacterial Properties of Treated and Untreated Zinc Oxide filled UHMWPE Composites

Abstract

Treated and untreated zinc oxide (ZnO) particulate reinforced ultra high molecular weight polyethylene (UHMWPE) composites were prepared using hydraulic hot press. The effects of the ZnO filler loading on tensile and antibacterial properties of the composites were investigated. The ZnO surfaces were treated with silane coupling agent (3-APTES) and were characterized using FTIR. The influences of ZnO content on tensile behavior of the composites were investigated. The tensile fracture surfaces of the ZnO-filled UHMWPE composites were characterized using SEM. Antibacterial property was tested against two common human body bacteria, that is, Escherichia coli and Staphylococcus aureus. The results showed that the tensile modulus of the composites was enhanced with addition of ZnO with increased filler loading. The performance of tensile strength and elongation at break for treated and untreated ZnO-filled UHMWPE were found to decrease with increasing filler loading compared to pure UHMWPE. Both treated and untreated ZnO-filled UHMWPE showed active inhibition towards E. coli (Gram-negative bacteria) whereas slight inhibition for S. aureus (Gram-positive bacteria) from the test. Treated ZnO-filled UHMWPE showed better inhibition against bacteria.

Keywords

ZnO UHMWPE treated and untreated tensile properties antibacterial.

References

Fang, L.M. , Leng, Y. and Gao, P. ( 2006). Processing and Mechanical Properties of HA/ UHMWPE Nanocomposites , Biomaterials, 27(20): 3701-3707.

Fang, L.M. , Leng, Y. and Gao, P. ( 2005). Processing of Hydroxyapatite Reinforced Ultrahigh Molecular Weight Polyethylene for Biomedical Applications, Biomaterials , 26(17): 3471-3478.

Fang, L.M. , Leng, Y. and Gao, P. ( 2007). High Strength and Bioactive Hydroxyapatite Nano-Particles Reinforced Ultrahigh Molecular Weight Polyethylene, Composites: Part B, 38: 345-351.

Xiong, D.S. ( 2005). Friction and Wear Properties of UHMWPE Composites Reinforced with Carbon Fiber, Materials Letters, 59: 175-179.

Plumlee, K. and Schwartz, C.J. ( 2009). Improved Wear Resistance of Orthopaedic UHMWPE by Reinforcement with Zirconium Particles, Wear, 267: 710-717.

Jian, L. , Zhiguang, G. , Meng, H. , Xiangpei, Q. and Shizhu, W. ( 2004). Tribological Characteristics of UHMWPE Composites and Relationship with its Compressive Behavior, Science in China Series G: Physics, Mechanics & Astronomy, 47: 79-87.

Ge, S. , Wang, S. and Huang, X. ( 2009). Increasing the Wear Resistance of UHMWPE Acetabular Cups by Adding Natural Biocompatible Particles, Wear, 267: 770-776.

Burris, D.L. and Sawyer, W.G. (2006). Improved Wear Resistance in Alumina-PTFE Nanocomposites with Irregular Shaped Nanoparticles, Wear, 260: 915-918.

Chandramouleeswaran, S. , Mhaske, S.T. , Kathe, A.A. , Varadarajan, P.V. , Prasad, V. and Vigneshwaran , N. (2007). Functional Behavior of Polypropylene/ZnO Soluble Starch Nanocomposites, Nanotechnology, 18: 385702.

10.

Zoo, Y.S. , An, J.W. , Lim, D.P. and Lim, D.S. (2004). Effect of Carbon Nanotube Addition on Tribological Behavior of UHMWPE, Tribology Letters , 16(4): 305-309.

11.

Mckellop, H. , Shen, F. , Dimaio, W. and Lancaster, J.G. (1999). Wear of Gamma-Crosslinked Polyethylene Acetabular Cups Against Roughened Femoral Ball, Journal of Clinical Orthopaedics and Related Research, 369: 73-82.

12.

Shi, W. , Li, X.Y. and Dong, H. , (2001). Improved Wear Resistance of Ultra High Molecular Weight Polyethylene by Plasma Immersion Ion Implantation , Wear, 250: 544-552.

13.

Zamfirova, G. , Jeliazkov, J. and Nedkov, E. (1991). Mechanical and Morphological Investigations of UHMWPE/Fe Composites, Colloid Polymer Science , 269: 105-111.

14.

Hofste, J.M. , Voorn, B.V. and Pennings, A.J. (1997). Mechanical and Tribological Properties of Short Discontinuous UHMWPE Fiber-reinforced UHMWPE, Polymer Bulletin, 38: 485-492.

15.

Guofang, G. , Huayong, Y. and Xin, F. (2004). Tribological Properties of Kaolin-filled UHMWPE Composites in Unlubricated Sliding, Wear, 256: 88-94.

16.

Plueddemann, E.P. (1991). Silane Coupling Agents , 2nd edn, p. 214, Plenum Press, New York.

17.

Zhang, L. , Ding, Y. , Povey, M. and York, D. ( 2008). ZnO Nanaofluids-A Potential Antibacterial Agent, Progress in Natural Science, 18: 939-944.

18.

Padmavathy, N. and Vijayaraghavan , R. (2008). Enhanced Bioactivity of ZnO Nanoparticles - An Antimicrobial Study, Science and Technology of Advanced Materials, 9:1-7.

19.

Liu, Y. , He, L. , Mustapha, A. , Li, H. , Hu, Z.Q. , Lin, M. (2009). Antibacterial Activities of Zinc Oxide Nanoparticles Against Escherichia coli 0157:H7, Journal of Applied Microbiology, 107: 1193-1201.

20.

Li, F. , Hu, K. , Li, J. and Zhao, B. ( 2001). The Friction and Wear of Nanometer ZnO Filled Polytetrafluoroethylene , Wear, 249: 877-882.

21.

Wang, S. , Ge, S. and Zhang, D. ( 2009). Comparison of Triboloical Behavior of Nylon Composites Filled with Zinc Oxide Particles and Whiskers, Wear, 266: 248-254.

22.

Shi, J. , Wang, Y. , Gao, Y. and Bai, H. ( 2008). Effect of Coupling Agent on the Impact Fracture Behavior of T-ZnOw/PA 6 Composites, Composites Science and Technology , 68: 1338-1347.

23.

Akil, H.M. , Lily, N. , Ong, H.L. and Ahmad, Z.A. ( 2006). Effect of Various Coupling Agents on Properties of Alumina-filled PP Composites, Journal of Reinforced Plastics and Composites , 25: 745-759.

24.

Sun, Y. , Zhang, Z. and Wong, C.P. ( 2005). Study on Mono-dispersed Nano-Size Silica by Surface Modification for Underfill Applications, Journal of Colloid and Interface Science, 292: 436-444.

25.

Sole, B.M. and Ball, A. ( 1996). On the Abrasive Behavior Mineral Filled Polypropylene , Tribology International, 29(6): 457-465.

26.

Ke, T.Y. , Sun, X.Z. and Seib, P. ( 2003). Blending of PLA and Starches Containing Various Amilose Content, Journal of Applied Polymer Science, 89: 3639-3646.

27.

Ismail, H. and Jaffry, R.M. ( 1999). Physico-Mechanical Properties of Oil Palm Wood Flour Filled Natural Rubber Composites, Polymer Testing, 18: 381-388.

28.

Ismail, H. , Edyham, M.R. and Wirjosentono, B. ( 2002). Bamboo Fiber Filled Natural Composites: The Effect of Filler Loading and Bonding Agent, Polymer Test, 21: 139-144.

29.

Reed, L.J. and Muench, H. ( 1938). A Simple Method of Estimating Fifty Percent Endpoints , The American Journal of Hygiene, 27: 493-497.