Preparation of Ptn-CsxWO3/PNIPAM Thermally Light-adjusting Material and Its Heat-insulation Performance
ZHANG Haoyuan, LIU Jingxiao, SHI Fei, LIU Suhua, SONG Xin
Key Laboratory of New materials and Material Surface Modification, School of Textile and Material Engineering, Dalian Polytechnic University, Dalian 116034, Liaoning, China
Abstract: In order to obtain Ptn-CsxWO3/PNIPAM hydrogel composite materials with excellent thermally light-adjusting performance, Ptn-CsxWO3 powders were prepared by low temperature solvothermal method using sodium tungstate dihydrate, cesium sulfate and chloroplatinic acid as raw materials, and then the Ptn-CsxWO3/PNIPAM composite hydrogels were prepared under certain conditions from the mixture of Ptn-CsxWO3 powders with the precursor of PNIPAM hydrogel. The morphology, transmittance and heat insulation performance of the composite hydrogel were investigated. The results indicate that the Pt0.006-Cs0.3WO3 film prepared at n(Pt)/n(W)=0.006 exhibits the best near-infrared shielding perfor-mance, and the as-prepared Ptn-CsxWO3/PNIPAM composite hydrogel has excellent light-adjusting function, and its near-infrared shielding rate is higher than that of pure Ptn-CsxWO3 film. The thermal insulation measurement results indicate that the maximum heat insulation temperature difference of Ptn-CsxWO3/PNIPAM composite film is 3 times that of ordinary glass, and the higher the concentration of Ptn-CsxWO3 particles, the stronger the thermal insulation performance.
张浩源, 刘敬肖, 史非, 刘素花, 宋昕. Ptn-CsxWO3/PNIPAM热致调光材料的制备及其隔热性能研究[J]. 材料导报, 2022, 36(1): 20100129-5.
ZHANG Haoyuan, LIU Jingxiao, SHI Fei, LIU Suhua, SONG Xin. Preparation of Ptn-CsxWO3/PNIPAM Thermally Light-adjusting Material and Its Heat-insulation Performance. Materials Reports, 2022, 36(1): 20100129-5.
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2022, Vol. 36 
