Production of hollow aerogel microspheres

Details Production of hollow aerogel microspheres Production of hollow aerogel microspheres

1990-11-30

1993-07-13

Thibodeau, Paul J.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

65 213, 65 214, 423335, 423338, 4283044, 502 8, 502233, B32B 516

Patent

active

052272397

ABSTRACT:
A method is described for making hollow aerogel microspheres of 800-1200 .mu. diameter and 100-300 .mu. wall thickness by forming hollow alcogel microspheres during the sol/gel process in a catalytic atmosphere and capturing them on a foam surface containing catalyst. Supercritical drying of the formed hollow alcogel microspheres yields hollow aerogel microspheres which are suitable for ICF targets.

REFERENCES:
patent: 4349456 (1982-09-01), Sowman
patent: 4402927 (1983-09-01), von Dardel et al.
patent: 4629652 (1986-12-01), Carlson et al.
patent: 4713233 (1987-12-01), Marsh et al.
patent: 4717708 (1988-01-01), Cheng et al.
patent: 4777154 (1988-10-01), Torobin
patent: 4873218 (1989-10-01), Pekala

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