Preparation and Thermal Properties of Nano Porous SiO_(2) Aerogel

NI Xing-yuan<sup>1</sup>, ZHANG Zhi-hua<sup>1</sup>, HUANG Yao-dong<sup>1</sup>, ZHOU Bin<sup>1</sup>,SHEN Jun<sup>1</sup>, WU Guang-ming<sup>1</sup>, SHEN Bo<sup>2</sup>(1.Pohl Institute of Solid State Physics, Tongji University, Shanghai 200092, China;2.Institute of Functional Materials, Tongji University, Shanghai 200092, China)

doi:10.7538/yzk.2004.38.S1.0129

NI Xing-yuan1, ZHANG Zhi-hua1, HUANG Yao-dong1, ZHOU Bin1,SHEN Jun1, WU Guang-ming1, SHEN Bo2(1.Pohl Institute of Solid State Physics, Tongji University, Shanghai 200092, China;2.Institute of Functional Materials, Tongji University, Shanghai 200092, China). Preparation and Thermal Properties of Nano Porous SiO_(2) Aerogel[J]. Atomic Energy Science and Technology, 2004, 38(S1): 129-129. DOI: 10.7538/yzk.2004.38.S1.0129

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Preparation and Thermal Properties of Nano Porous SiO_(2) Aerogel

NI Xing-yuan¹, ZHANG Zhi-hua¹, HUANG Yao-dong¹, ZHOU Bin¹,SHEN Jun¹, WU Guang-ming¹, SHEN Bo²(1.Pohl Institute of Solid State Physics, Tongji University, Shanghai 200092, China;2.Institute of Functional Materials, Tongji University, Shanghai 200092, China)

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Silica aerogel is a nice thermal insulation material. It has excellent characte- (ristics) like nano-structure, high porosity(more than 95%), large surface area(about (1 120 m~(2)/g)), low density(0.003 g/cm~(3))and low thermal conductivity(0.023 W·m~(－1)·K~(－1)). Some new processes were studied to reduce the preparation cost of silica aerogels.Thermal conductivity was measured. The thermal transfer mechanics was analysed, and different kind of insulation materials were compared.

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Preparation and Thermal Properties of Nano Porous SiO_(2) Aerogel

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