期刊
EUROPEAN PHYSICAL JOURNAL-SPECIAL TOPICS
卷 224, 期 9, 页码 1775-1785出版社
SPRINGER HEIDELBERG
DOI: 10.1140/epjst/e2015-02498-3
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The thermal insulation behavior of ordered mesoporous silica SBA-15 aggregates heat treated at 300 C-a similar to was studied. An important decrease in the effective thermal conductivity according to the increase of the apparent density was observed. A thermal conductivity value less than 25 mW.m(-1).K-1 was reached during the compaction phenomenon. Results of thermal conductivity were correlated to the electron microscopy observations and physicochemical data (X-ray diffraction, adsorption/desorption of nitrogen volumetric measurements). These thermal properties make these materials very promising for thermal insulation applications, especially with values inferior to the thermal conductivity of air.
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