掺杂氯化锌、氯化锂、二水合氯化铜、氯化铁、氯化镁等无机盐,采用原位聚合法制备了无机盐掺杂聚苯胺棉织物,通过场发射扫描电子显微镜、超快速显微拉曼成像光谱仪、X射线衍射仪、热重分析仪等对棉织物的微观形貌、结构和热稳定性进行分析并研究了其光电热性能。结果表明:聚苯胺在棉织物上发生聚合反应,赋予棉织物出色的导电性,电导率可达15.7S/m;氯化锂掺杂聚苯胺棉织物的光热性能最佳;在电热性能方面,氯化铜掺杂聚苯胺棉织物电导率最高,可达57.4S/m。发热织物能够根据人体需求调节温度,氯化锂掺杂聚苯胺棉织物在600W/m2光照强度下温度可达65.0℃,氯化铜掺杂聚苯胺棉织物在9.0V电压下表面平均温度可达40.1℃,与聚苯胺棉织物相比,光热和电热性能分别提高了8.2%和45.8%
Inorganic salt-doped polyaniline (PANI) cotton fabric was prepared by in-situ polymerization using inorganic salts such as zinc chloride,lithium chloride,copper chloride dihydrate,iron chloride,and magnesium chloride.The microscopic morphology,structure,and thermal stability of the cotton fabric were analyzed by field emission scanning electron microscopy,ultrafast micro-Raman imaging spectroscopy,X-ray diffraction,and thermogravimetric analysis.Additionally,its photoelectric thermal properties were studied.The results indicated that PANI underwent polymerization on the cotton fabric,imparting excellent electrical conductivity,with a conductivity of up to 15.7S/m.The lithium chloride-doped PANI cotton fabric exhibited the best photothermal performance.In terms of electrothermal performance,the copper chloride-doped PANI cotton fabric demonstrated the highest conductivity,achieving up to 57.4S/m.The heating fabric had the ability to adjust controllably its temperature according to human body's needs.The lithium chloride-doped fabric reached 65.0℃ under 600W/m2 irradiance,and the copper chloride-doped fabric reached 40.1℃ under 9.0V.The doped fabric showed an improvement of 8.2% in photothermal properties and 45.8% in electrothermal properties compared to undoped polyaniline cotton fabric.
[1] Tang L,Lyu B,Gao D,et al.Waste cotton fabric-derived multimodal heating textile for comfortable and reliable personal thermal management[J].Journal of Cleaner Production,2023,425:138992.
[2] Peng J,Cheng H,Liu J,et al.Superhydrophobic MXene-based fabric with electromagnetic interference shielding and thermal management ability for flexible sensors[J].Advanced Fiber Materials,2023,5:2099-2113.
[3] Ding R,Meng Y,Qiao Y,et al.Functionalizing cotton fabric via covalently grafting polyaniline for solar-driven interfacial evaporation of brine[J].Applied Surface Science,2022,598:153665.
[4] Yu F,Jia P,Song L,et al.Multifunctional fabrics based on copper sulfide with excellent electromagnetic interference shielding performance for medical electronics and physical therapy[J].Chemical Engineering Journal,2023,472:145091.
[5] He M,Tang J,Wang Y,et al.Preparation and properties of PANI/PI composite fabrics with conductive nanofiber network structure[J].Polymer,2022,240:124498.
[6] 韩玮屹,彭军,宋理阳,等.聚苯胺尼龙导电织物的制备及其传感性能[J].精细化工,2023,40(9):1919-1924;1958.
[7] Molina J,Esteves M F,Fernández J,et al.Polyaniline coated conducting fabrics.Chemical and electrochemical characterization[J].European Polymer Journal,2011,47:2003-2015.
[8] 李珺杰.掺杂聚苯胺的热电性能研究[D].武汉:武汉理工大学,2010.
[9] 杨显.功能酸掺杂聚苯胺材料的制备及性能研究[D].郑州:河南大学,2015.
[10] Li B,Li Y,Ma P.Amino acids doped PANI sensitive materials for ammonia gas sensors operated at room temperature[J].Organic Electronics,2023,122:106907.
[11] 徐惠,李琦,陈泳,等.过渡金属离子电化学掺杂聚苯胺的超级电容性能[J].高分子材料科学与工程,2018,34(1):83-88.
[12] 刘钊.无机酸及铁离子掺杂聚苯胺涂层光热杀菌性能的研究[D].天津:天津大学,2018.
[13] 黄惠,周继禹,许金泉,等.有机/无机酸复合掺杂导电聚苯胺的合成及性能研究[J].高校化学工程学报,2009,23(6):984-989.
[14] 初永宝,马妮娜.氯化铁氧化掺杂聚苯胺的合成及表征[J].化工技术与开发,2010,39(7):10-12;24.
[15] Fang L,Zhang X,Sun D.Chemical modification of cotton fabrics for improving utilization of reactive dyes[J].Carbohydr Polym,2013,91(1):363-369.
[16] 丁杭军,朱长进,周智明,等.氯化铁氧化掺杂的聚苯胺纳米纤维团簇[J].高分子学报,2007(5):462-466.
[17] 刘剑普.酸掺杂导电聚苯胺及其复合材料的制备与性能研究[D].兰州:兰州理工大学,2019.
[18] 马娟娟,刘霖.盐酸掺杂聚苯胺的制备及性能研究[J].化学研究与应用,2007,19(11):1233-1237.
[19] Huang G,Liu L,Wang R,et al.Smart color-changing textile with high contrast based on a single-sided conductive fabric[J].Journal of Materials Chemistry C,2016,4(32):7589-7594.
[20] Li X,Wang G,Li X,et al.Surface properties of polyaniline/nano-TiO2 composites[J].Applied Surface Science,2004,229(1/2/3/4):395-401.
[21] Parvez M S,Rahman M M,Samykano M,et al.Electrochemical characterization and joule heating performance of polyaniline incorporated cotton fabric[J].Physics and Chemistry of the Earth,2023,129:103323.
[22] Fei L,Yu W,Tan J,et al.High solar energy absorption and human body radiation reflection janus textile for personal thermal management[J].Advanced Fiber Materials,2023,5(3):955-967.
基金资助
国家自然科学基金(21975107)
PDF
