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| Preparation and Properties of Nacre-inspired MTM/PVA/ANF Composite Films by Different Methods |
| Received:July 14, 2019 |
| DOI：10.11981/j.issn.1000-6842.2020.03.15 |
| Key Words:nacre-inspired structure;aramid nanofibers;mechanical properties;hydrophilic properties |
| Fund Project:十三五国家重点研发计划项目（2017YFB0308302）；浙江省重点研发项目（2019C04008）；轻化工程国家级实验教学示范中心（陕西科技大学）开放课题资助项目（2018QGSJ02-01）；陕西省科技厅科技统筹创新工程计划项目（2016KTCQ01-87）。 |
| Author Name | Affiliation | Postcode | | MA Qin | College of Bioresources Chemical and Materials Engineering， Shaanxi Province Key Laboratory of Papermaking Technology and Specialty Paper， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021 | 710021 | | SI Lianmeng | College of Bioresources Chemical and Materials Engineering， Shaanxi Province Key Laboratory of Papermaking Technology and Specialty Paper， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021 | 710021 | | LUO Zhirong | Kingdecor （Zhejiang） Co.， Ltd.， Quzhou， Zhejiang Province， 324022 | 324022 | | LU Zhaoqing | College of Bioresources Chemical and Materials Engineering， Shaanxi Province Key Laboratory of Papermaking Technology and Specialty Paper， Shaanxi University of Science & Technology， Xi’an， Shaanxi Province， 710021 | 710021 |
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| Abstract: |
| MTM/PVA/ANF composite films with nacre-like structure were prepared by water evaporation induced self-assembly （A）， vacuum-assisted suction filtration （F） and their combination with centrifugal treatment （C）. The microstructure， thermostability， light transmittance， hydrophilicity， and mechanical properties of the composite films were characterized by SEM， AFM， TGA， UV spectrometry， dynamic contact angle and tensile tester. The results showed that the composite films obtained by different combinations of preparation methods （A， CA， F， CF） exhibit a distinct layered structure， and the transmittance， hydrophilicity and mechanical properties of the films were different. The composite film prepared by method F had higher light transmittance and better hydrophobic property； the composite film prepared by method CF had the best mechanical properties， and its tensile strength reached to 132.4 MPa， and the composite film prepared by method A had more excellent toughness and its elongation at break was as high as 11.3%. |
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