POLYMERS AND POLYMER MATRIX COMPOSITES |
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Preparation of Ptn-CsxWO3/PNIPAM Thermally Light-adjusting Material and Its Heat-insulation Performance |
ZHANG Haoyuan, LIU Jingxiao, SHI Fei, LIU Suhua, SONG Xin
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Key Laboratory of New materials and Material Surface Modification, School of Textile and Material Engineering, Dalian Polytechnic University, Dalian 116034, Liaoning, China |
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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.
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Published: 13 January 2022
Online: 2022-01-13
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Fund:This work was financially supported by the National Natural Science Foundation of China (51778098), Dalian Science and Technology Development Subsidy Fund Project ([2016]415),Science and Technology Project of the Ministry of Housing and Urban-Rural Development (2015-K1-042), Dalian Science and Technology Innovation Fund Plan (2018J12SN066). |
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