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Study on the Mechanics and Electrical Insulation Properties of ANFs/CS Insulating Composite Film |
Received:August 17, 2022 |
DOI:10.11980/j.issn.0254-508X.2023.04.008 |
Key Words:aramid nanofibers chitosan composite film mechanical properties insulation properties |
Fund Project:国家自然科学基金项目(22178211);浙江省‘尖兵’‘领雁’研发攻关计划资助(2022C01066);陕西省重点研发计划项目(2021ZDLGY14-05)。 |
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Abstract:Using aramid nanofibers (ANFs) as matrix and chitosan (CS) as reinforcing agent, ANFs/CS composite films were prepared by vacuum-assisted filtration technology. The densification of the films was improved by hot pressing to enhance the mechanical and electrical insulation properties of films. The results showed that the maximum tensile strength and the characteristic breakdown strength of ANFs/CS composite films reached 208 MPa and 62 kV/mm with 0.02 g chitosan loading, respectively, exhibiting the best performance. After hot pressing, the densification of ANFs/CS composite films was improved significantly. The maximum tensile strength and breakdown strength of ANFs/CS composite films reached 253 MPa and 109 kV/mm, respectively, which increased by 21.6% and 75.8% compared with the films before hot pressing. |
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