A Novel Building Thermal Insulation Material: Expanded Perlite Modified by Aerogel

Abstract:

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Aerogel is regarded as one kind of super thermal insulation materials which could be large-scalely used as building materials. However, the aerogel’s production cost and poor mechanical property limit the its applications. In this paper, we put forward a new low cost way to produce a novel building thermal insulation material: synthesized the aerogel within the expanded perlite’s pores, and using sodium silicate as precursor without adopting supercritical fluid drying and surface modification. The thermal conductivity of expanded perlite was successfully decreased after modified by aerogel.

Info:

Periodical:

Advanced Materials Research (Volumes 250-253)

Edited by:

Guangfan Li, Yong Huang and Chaohe Chen

Pages:

507-512

DOI:

10.4028/www.scientific.net/AMR.250-253.507

Citation:

Z. S. Wang et al., "A Novel Building Thermal Insulation Material: Expanded Perlite Modified by Aerogel", Advanced Materials Research, Vols. 250-253, pp. 507-512, 2011

Online since:

May 2011

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Price:

$35.00

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