Preparation And Characterization Of Collagen/Tio2 Nanocomposite With Low Infrared Emissivity Preparation And Characterization Of Collagen/Tio2 Nanocomposite With Low Infrared Emissivity
Keywords
Tio2 Collagen, Infrared Emissivity
Abstract
A new type of organic-inorganic composite material was obtained by composited with collagen and modified nano-TiO2. The changes of collagen content in the composite with composite temperature and pH were studied. TiO2 crystal form, Al2O3 coating modification and glutaraldehyde cross-linking modification were also investigated. Effect of properties on infrared emissivity of composite materials. The results show that the optimal temperature for composite of collagen and modified nano-TiO2 is 50¡æ, pH is 8.0, and the collagen content can reach up to 9.45wt%. The strong composite synergy between the two significantly reduces the infrared emission of the material. efficiency, and improves the thermal stability of the material; after the composite material is cross-linked and modified with glutaraldehyde, it can form a tight and orderly network layered structure, the thermal stability is further improved, and the infrared emissivity can be reduced to a minimum of 0.502.
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Original research was done by SUN Yan-Qing,ZHOU Yu-Ming, Sun Yanqing, Zhou Yuming
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