Effect of resin infiltration on fumed silica-based thermal insulations

Title
Effect of resin infiltration on fumed silica-based thermal insulations
Authors
김기태김윤일박성이해원이동복이재춘
Keywords
Fumed silica; Resin infiltration; Dry process; Insulation; Thermal conductivity; Strength
Issue Date
2010-11
Publisher
Research on chemical intermediates
Citation
VOL 36, NO 6-7, 647-652
Abstract
The thermal conductivities and the strengths of fumed silica-based thermal insulations prepared by the dry process and the resin infiltration method have been studied. Infiltration of the insulation samples prepared by dry processing of mixtures, consisting of fumed silica, ceramic fiber and a SiC opacifier, was performed to strengthen their binding structure. The high temperature thermal conductivities for the insulation samples obtained by the resin infiltration method were similar to those for the samples prepared by the dry process. On the other hand, the bending strengths for the former were superior to those for the latter. However, the resin-infiltrated samples were more brittle than the samples obtained by the dry process due to the occurrence of rigid bonding between the fibers and the infiltrated resin in the porous insulations. The thermosetting resin solution infiltration method appeared to be applicable to producing a dust-free fumed silica-based thermal insulation.
URI
http://pubs.kist.re.kr/handle/201004/39112
ISSN
0922-6168
Appears in Collections:
KIST Publication > Article
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