Nacre-Inspired Aramid Nanofibers/Basalt Fibers Composite Paper with Excellent Flame Retardance and Thermal Stability by Constructing an Organic-Inorganic Fiber Alternating Layered Structure

被引:9
作者
Song, Shunxi [1 ,2 ,3 ]
Wang, Qianyu [1 ]
Ji, Dexian [1 ]
Li, Linghao [1 ]
Tan, Jiaojun [1 ]
Wu, Qi [1 ]
Lyu, Yuming [1 ]
Zhang, Meiyun [1 ]
机构
[1] Shaanxi Univ Sci & Technol, Coll Bioresources Chem & Mat Engn, Natl Demonstrat Ctr Expt Light Chem Engn Educ, Shaanxi Prov Key Lab Papermaking Technol & Special, Xian 710021, Shaanxi, Peoples R China
[2] Shaanxi Univ Sci & Technol, Key Lab Auxiliary Chem & Technol Chem Ind, Minist Educ, Xian 710021, Shaanxi, Peoples R China
[3] Shaanxi Univ Sci & Technol, Shaanxi Collaborat Innovat Ctr Ind Auxiliary Chem, Xian 710021, Shaanxi, Peoples R China
基金
中国国家自然科学基金;
关键词
basalt fiber; aramid nanofiber; alternatinglayered structure; flame retardance; thermal stability; BASALT FIBER; MECHANICAL-PROPERTIES; GRAPHENE OXIDE; TRANSPARENT; FABRICATION; STRENGTH; FACILE;
D O I
10.1021/acsami.3c16614
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
The flame-retardant paper has gradually evolved into a necessary material in various industries as a result of the rising importance of fire safety, energy efficiency, and environmental preservation. Traditional cellulose paper requires the addition of a large amount of flame retardants to achieve flame retardancy, which poses a serious threat to mechanical quality and the environment. Therefore, there is an urgent need to develop inorganic fiber flame-retardant paper with good flexibility, high thermal stability, and inherent flame retardancy. Herein, inspired by the "brick-and-mortar" layered structure of nature nacre, we developed a layered composite paper with a unique alternating arrangement of organic-inorganic fibers by synergistically integrating environmentally sustainable basalt fiber (BF) and high-performance aramid nanofibers (ANFs) through a vacuum-assisted filtration process. The as-prepared ANFs/BF composite paper exhibited low thermal conductivity (0.024 W m(-1) K-1), high tensile strength (54.22 MPa), and excellent flexibility. Thanks to its excellent thermal stability, the mechanical strength remains at a high level (92%) after heat treatment at 300 degree celsius for 60 min. Furthermore, the peak heat release rate and smoke generation of ANFs/BF composite paper decreased by 44.6 and 95.3%, respectively. Therefore, the composite paper is promising for applications as a protective layer in flexible electronic devices, cables, and fire-retardant and high-temperature fields.
引用
收藏
页码:4045 / 4055
页数:11
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