Compression molding of aerogel microspheres

Details Compression molding of aerogel microspheres Compression molding of aerogel microspheres

1996-03-05

1998-03-24

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521181, 521187, 521136, C08J 9236, C08J 932

Patent

active

057313601

ABSTRACT:
An aerogel composite material produced by compression molding of aerogel microspheres (powders) mixed together with a small percentage of polymer binder to form monolithic shapes in a cost-effective manner. The aerogel composites are formed by mixing aerogel microspheres with a polymer binder, placing the mixture in a mold and heating under pressure, which results in a composite with a density of 50-800 kg/m.sup.3 (0.05-0.80 g/cc). The thermal conductivity of the thus formed aerogel composite is below that of air, but higher than the thermal conductivity of monolithic aerogels. The resulting aerogel composites are attractive for applications such as thermal insulation since fabrication thereof does not require large and expensive processing equipment. In addition to thermal insulation, the aerogel composites may be utilized for filtration, ICF target, double layer capacitors, and capacitive deionization.

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patent: 5086085 (1992-02-01), Pekala
patent: 5260855 (1993-11-01), Kaschmitter et al.
patent: 5476878 (1995-12-01), Pekala
patent: 5484818 (1996-01-01), De Vos
R.W. Pekala et al., "Carbon Aerogels: An Update on Structure, Properties, and Applications," Sol-Gel Processing and Applications, Plenum Press, N.Y., pp. 369-377, 1994.

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