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Processing and characterization of natural rubber/stearic acid-tetra-needle-like zinc oxide whiskers medical antibacterial composites

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Abstract

The Tetra-Needle-like zinc oxide whiskers (T-ZnOw) were modified by stearic acid, and Natural rubber/Stearic acid-T-ZnOw medical antibacterial composites were prepared by blending the Stearic acid-T-ZnOw with natural rubber latex. The morphology, mechanical properties, thermal stability, antibacterial property and water absorption of composites were investigated. The results show that the incorpation of Stearic acid-T-ZnOw into rubber matrix leads to a significantly betterment in the over-all properties of composites when the Stearic acid-T-ZnOw loading is less than 6%. The Stearic acid-T-ZnOw act as a skeleton in the rubber matrix, with its tetra-needles tightly inserting into rubber matrix. It plays an important role in improving the performance of natural rubber. When in nitrogen atmosphere loading of 5 wt%, all the performance of composite achieve optimum results. The Natural rubber/Stearic acid-T-ZnOw has great prospects in producing medical products with greens environmental protection and high performance.

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Acknowledgments

The authors gratefully acknowledge supports by the Educational Research Project for Young and Middle-aged teachers in Fujian province (JAT170568), and the National Natural Science Foundation of China (No.51663008).

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Correspondence to Xi Chen.

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Chen, X., Wang, Z. & Wu, J. Processing and characterization of natural rubber/stearic acid-tetra-needle-like zinc oxide whiskers medical antibacterial composites. J Polym Res 25, 48 (2018). https://doi.org/10.1007/s10965-017-1433-y

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  • DOI: https://doi.org/10.1007/s10965-017-1433-y

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