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Study on the Improved Properties of Meta-aramid Paper by Coating of Aramid Nanofibers
Received:March 10, 2021  
DOI：10.11980/j.issn.0254-508X.2021.09.003
Key Words:aramid paper  coating  aramid nanofibers （ANFs）  paper structure  strengthen and toughen
Fund Project:国家重点研发计划（2017YFB0308300）；国家自然科学基金（22008146）；中国博士后科学基金（2021T140434，2020M683411）；陕西省重点研发计划（2021ZDLGY14-05）；陕西省自然科学基金（2020JQ-727）。
Author NameAffiliationPostcode
LI Weiwei 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
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
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
LU Zhaoqing 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
JIANG Ming Yantai Metastar Special Paper Co.， Ltd.， National Engineering Research Center of Aramid， Yantai， Shandong Province， 264006 264006
HOU Qingzhong Baoji Keda Special Paper Co.， Ltd.， Baoji， Shaanxi Province， 722405 722405
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Abstract:Aramid nanofibers （ANFs） were introduced as self-reinforcement and structural building blocks， and the reinforcement effect of aramid nanofibers coating on aramid paper was investigated in this study. The results showed that ANFs had the advantages of unique nano-scale structure， large aspect ratio and high specific surface area， which were easy to form a crosslinked network structure， and significantly improved the structure and performance of aramid paper. Compared with pristine aramid paper， the tensile strength， toughness， tear strength， and surface strength of 2.0% ANFs coated aramid paper were increased by 3.5 times， 14.3 times， 1.2 times， and 1.4 times， respectively. In addition， the water absorption was decreased by 18.7 times. This study paved the way of employing ANFs as excellent strengthening and toughening building blocks， and it had broad application prospects in the fields of special paper and composite material reinforcement.
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