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Study on the Properties of Meta-aramid Spinning Stock Solution Coated Aramid Insulation Paper
Received:November 12, 2022  
DOI：10.11980/j.issn.0254-508X.2023.07.001
Key Words:aramid paper  aramid spinning stock solution  coating  mechanical properties  insulating properties
Fund Project:国家自然科学基金（22008146）；陕西省重点研发计划（2021ZDLGY14-05）；国家留学基金委（202108610176）。
Author NameAffiliationPostcode
ZHANG Hui* College of Bioresources Chemical and Materials Engineering， China National Light Industry Key Lab of Paper-based Functional Materials， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021 710021
ZHANG Meiyun College of Bioresources Chemical and Materials Engineering， China National Light Industry Key Lab of Paper-based Functional Materials， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021 710021
LI Jinbao College of Bioresources Chemical and Materials Engineering， China National Light Industry Key Lab of Paper-based Functional Materials， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021 710021
YANG Bin College of Bioresources Chemical and Materials Engineering， China National Light Industry Key Lab of Paper-based Functional Materials， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021 710021
DU Xiaoyun College of Bioresources Chemical and Materials Engineering， China National Light Industry Key Lab of Paper-based Functional Materials， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021 710021
LIU Jiawei College of Bioresources Chemical and Materials Engineering， China National Light Industry Key Lab of Paper-based Functional Materials， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021 710021
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Abstract:This study utilized meta-aramid spinning stock （MASS） solution， which was homologous to meta-aramid paper， to coat and enhance the aramid paper. The results showed that the MASS solution caused fiber swelling， resulting in increased dimensions and significantly improved the interfacial bonding between fibers， reducing paper porosity， and promoting densification of the aramid paper. Additionally， the MASS solution formed a dense protective film on the surface of the paper， greatly enhancing the mechanical and insulation properties of the aramid paper. Compared to the original aramid paper， the tensile strength， modulus， internal bonding strength， and tear index of the enhanced aramid paper were improved by 0.8， 0.6， 1.7， and 0.9 times， respectively. The breakdown strength of the enhanced aramid paper increased by 1.9 times compared to the original aramid paper， reaching 26.5 kV/mm.
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