Ambient pressure process for preparing aerogel thin films reliqu

Details Ambient pressure process for preparing aerogel thin films reliqu Ambient pressure process for preparing aerogel thin films reliqu

1995-09-19

1999-09-07

Beck, Shrive

Coating processes

Immersion or partial immersion

427226, 427245, 427246, 4273977, 2523152, 2523156, 2523157, 10628712, 10628716, 501 12, 501104, B05D 118, B05D 300

Patent

active

059484829

ABSTRACT:
A method for preparing aerogel thin films by an ambient-pressure, continuous process. The method of this invention obviates the use of an autoclave and is amenable to the formation of thin films by operations such as dip coating. The method is less energy intensive and less dangerous than conventional supercritical aerogel processing techniques.

REFERENCES:
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patent: 5470802 (1995-11-01), Gnade et al.
patent: 5565142 (1996-10-01), Deshpande et al.
D.M. Smith, R. Desphande, and C. J. Brinker, "Preparation of Low Density Aerogels at Ambient Pressure" in Better Ceramics Through Chemistry V, Eds. M. J. Hampden-Smith, W. G. Klemperer, C. J. Brinker (Materials Research Society, Pittsburgh, 1991) 567-572.
R. Despande, D-W. Hua, D. M. Smith, and C. J. Brinker, J. Non-Cryst. Solids 144 (1992) 32-44.
S. S. Prakash, C. J. Brinker, A. J. Hurd, and S. M. Rao, Nature 374 (1990) 439-443.

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