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Fabrication of TiO2/ANF Composite Based on Mechanochemical Effect and Its Effect on the UV-resistance of Aramid Nanopaper
Received:August 06, 2022  
DOI：10.11980/j.issn.0254-508X.2022.11.005
Key Words:aramid nanofiber  nano-TiO2  mechanochemistry  UV-resistance  paper strength
Fund Project:陕西省重点研发计划项目（2022GY-275，2021ZDLGY14-05）；国家自然科学基金（22008146）；天津市制浆造纸重点实验室（天津科技大学）开放基金（202005）。
Author NameAffiliationPostcode
SONG Shunxi* College of Bioresources Chemical and Materials Engineering， Virlual Teaching and Research Center of Light Chemical Engineering Specialty， Ministry of Education， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021 710021
YUAN Baolong College of Bioresources Chemical and Materials Engineering， Virlual Teaching and Research Center of Light Chemical Engineering Specialty， Ministry of Education， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021 710021
JI Dexian College of Bioresources Chemical and Materials Engineering， Virlual Teaching and Research Center of Light Chemical Engineering Specialty， Ministry of Education， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021 710021
ZHANG Qian College of Bioresources Chemical and Materials Engineering， Virlual Teaching and Research Center of Light Chemical Engineering Specialty， Ministry of Education， 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， Virlual Teaching and Research Center of Light Chemical Engineering Specialty， Ministry of Education， 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， Virlual Teaching and Research Center of Light Chemical Engineering Specialty， Ministry of Education， 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:Aramid nanofiber/nano-TiO2 composite paper with excellent mechanical strength and UV-resistance ability was fabricated by ultrasound blending or ball milling to mix aramid nanofiber and nano-TiO2 based on mechanochemical mechanism. The effects of preparation method and nano-TiO2 dosage on the strength and UV-resistance of the composite paper were investigated. The results showed that compared with traditional method of ultra-sound blending， ball milling could enhance the interface bonding between ANF and nano-TiO2. When nano-TiO2 dosage was 6%， the strength of paper fabricated by ball milling was 70.13 MPa， which was increased by 12% compared with that of paper made by ultra-sound blending. In addition， the strength retention rate of the composite paper made by ball milling was 81.5%， which was increased by 15.8 percentage points compared with the sample made by ultra-sound blending. The UV-resistance of the composite paper made by ball milling was also enhanced with increasing the dosage of nano-TiO2.
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