BaFe12O19/graphene/polyaniline coatings for flexible fabrics with enhanced microwave absorption

被引：2
|
作者：
Liu, Jie [1 ,2 ]
Zhang, Zhaohuan [1 ,2 ,3 ]
Dong, Zijing [1 ,2 ]
Chen, Min [1 ,2 ]
Sun, Runjun [1 ,2 ]
Dai, Jiang [1 ,2 ]
He, Caiting [1 ,2 ]
Zhu, Binghui [1 ,2 ]
Yunyu, Li [1 ,2 ]
机构：
[1] Xian Polytech Univ, Sch Text Sci & Engn, Xian, Peoples R China
[2] Xian Polytech Univ, Key Lab Funct Text Mat & Prod, Minist Educ, Xian, Peoples R China
[3] Xian Polytech Univ, 19 Jinhua South Rd, Xian 710048, Shaanxi, Peoples R China
来源：
TEXTILE RESEARCH JOURNAL | 2024年 / 94卷 / 3-4期
基金：
中国国家自然科学基金;
关键词：
Microwave absorbing; cast coating; barium ferrite; graphene; polyaniline; COMPOSITES; PERFORMANCE; NANOCOMPOSITES; FERRITES;
D O I：
10.1177/00405175231208227
中图分类号：
TB3 [工程材料学]; TS1 [纺织工业、染整工业];
学科分类号：
0805 ; 080502 ; 0821 ;
摘要：
In this study, barium ferrite (BaFe12O19) was used as the basic microwave-absorbing material and compounded with graphene and PANI. Then, BaFe12O19, BaFe12O19/graphene, and BaFe12O19/graphene/PANI were mixed with waterborne polyurethane and coated on nylon fabrics by the cast coating method to prepare flexible microwave absorbing materials. The microwave absorbing performance of BaFe12O19/graphene/PANI coated fabric is significantly improved in comparison with BaFe12O19 and BaFe12O19/graphene coated fabric, which mainly comes from the synergistic effects of magnetic loss, dielectric loss, and conductivity loss. The BaFe12O19/graphene/PANI coated fabric has a minimum reflection loss value of -37.36 dB (at 13.76 GHz) and an effective absorption bandwidth of 5.40 GHz (12.44-17.84 GHz) when the thickness is 1.2 mm. Consequently, the facile preparation route and excellent performance make the BaFe12O19/graphene/PANI composite a promising candidate for efficient microwave absorbence.
引用
收藏
页码：494 / 507
页数：14
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