Composite films of hydroxyethyl cellulose and hydroxyapatite nanowires with high mechanical strength and electrical insulation property

Jizhen Huanga College of Bioresources Chemical and Materials Engineering, Shaanxi Provincial Key Laboratory of Papermaking Technology and Specialty Paper Development, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science and Technology, Xi’an, China; View further author information

Songfeng Ea College of Bioresources Chemical and Materials Engineering, Shaanxi Provincial Key Laboratory of Papermaking Technology and Specialty Paper Development, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science and Technology, Xi’an, China; View further author information

Lianmeng Sia College of Bioresources Chemical and Materials Engineering, Shaanxi Provincial Key Laboratory of Papermaking Technology and Specialty Paper Development, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science and Technology, Xi’an, China; ;b School of Aerospace Engineering, Xi’an Jiaotong University, Xi’an, China; View further author information

Jiaoyang Lia College of Bioresources Chemical and Materials Engineering, Shaanxi Provincial Key Laboratory of Papermaking Technology and Specialty Paper Development, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science and Technology, Xi’an, China; View further author information

Zhijun Tiana College of Bioresources Chemical and Materials Engineering, Shaanxi Provincial Key Laboratory of Papermaking Technology and Specialty Paper Development, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science and Technology, Xi’an, China; ;c Hebei Silicon Valley Chemical Co., LTD, Handan, ChinaView further author information

Zhaoqing Lua College of Bioresources Chemical and Materials Engineering, Shaanxi Provincial Key Laboratory of Papermaking Technology and Specialty Paper Development, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science and Technology, Xi’an, China; Correspondence[email protected]

https://orcid.org/0000-0002-2095-4405 View further author information

Abstract

An insulation network was constructed by adding hydroxyapatite nanowires (HNs) to a hydroxyethyl cellulose (HEC) system. The HNs improve the mechanical and insulating properties of the composites. The results showed the formation of strong chemical interactions between the HEC and HNs. Moreover, 20% HNs addition maximized the electrical insulation and tensile strength of the HEC/HNs film to 12.7 kV/mm and 34.12 MPa, respectively. Scanning electron microscopy revealed a three-dimensional network of HNs at the perforated edge of the films, which prevented further decomposition of HEC by the current flow. The superior mechanical properties of the combined HEC and HNs were attributed to the self-assembling cambium structure.

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This work was supported by the Key Research and Development Program of Shaanxi Province of China (No. 2021ZDLGY14-05), the Natural Science Basic Research Program of Shaanxi Province, China (No. 2020JQ-722), the Key Research and Development Project of Zhejiang Province, China (No. 2019C04008), the Key Project of Shaanxi Provincial Department of Education, China (No. 20JY002), and the Program of Xi’an Key Laboratory of High Performance Fiber Paper-based Functional Materials, China (No. 2019220114SYS016CG038).

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Composite films of hydroxyethyl cellulose and hydroxyapatite nanowires with high mechanical strength and electrical insulation property

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Composite films of hydroxyethyl cellulose and hydroxyapatite nanowires with high mechanical strength and electrical insulation property

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