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A Novel Ternary Composite of Polyurethane/Polyaniline/Nanosilica with Antistatic Property and Excellent Mechanical Strength: Preparation and Mechanism

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Abstract

Antistatic and strength properties are of vital importance for polyurethane rubber used in moving parts of many industrial instruments. Herein, polyurethane was composited with polyaniline and nanosilica based on in situ synthesis of polymer and physical mixing of these fillers to reach desired antistatic and mechanical properties. Chemical, morphological and thermal properties of the polyurethane/polyaniline/nanosilica composites were studied. The electrical resistivity of the composite decreased from 1.1×106 MΩ to 7.6×104 MΩ as a result of the addition of 4% polyaniline. The tensile strength and elongation at break of the polyurethane composites improved by nearly 300% and 100%, respectively, when compared with those of the neat polyurethane. The electronic resistance of PU/PANI/NS ternary is low enough for its antistatic property and decreases with the increase of the added nanosilica, which is unexpectedly and rather significant. Our results would shed light on the development of antistatic PU with excellent mechanical performance.

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Acknowledgments

This work was financially supported by Natural Science Advance Research Foundation of Shaanxi University of Science and Technology (No. 2020XSGG-07), the National Natural Science Foundation of China (No. 31570578) and Key Research and Development Program of Shaanxi (No. 2022GY-278).

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Authors and Affiliations

  1. College of Bioresource Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi’an, 710021, China

    Xiu-Zhi Tian, Rui Yang, Lei Dai, Jiao-Jun Tan, Mei-Yun Zhang & Xue Jiang

  2. College of Textile Science and Engineering, Jiangnan University, Wuxi, 214122, China

    Jia-Jia Ma & Hai-Bo Deng

  3. Limerick Pulp & Paper Centre & Department of Chemical Engineering, University of New Brunswick, Fredericton, New Brunswick, E3B5A3, Canada

    Yong-Hao Ni

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  1. Xiu-Zhi Tian
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Correspondence to Xue Jiang.

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A Novel Ternary Composite of Polyurethane/Polyaniline/Nanosilica with Antistatic Property and Excellent Mechanical Strength: Preparation and Mechanism

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Tian, XZ., Yang, R., Ma, JJ. et al. A Novel Ternary Composite of Polyurethane/Polyaniline/Nanosilica with Antistatic Property and Excellent Mechanical Strength: Preparation and Mechanism. Chin J Polym Sci 40, 789–798 (2022). https://doi.org/10.1007/s10118-022-2703-7

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