Fabrication of organic aerogel by supersonic technique

wang chao-yang; tang yong-jian; wang li-li

Volume 18 Issue 01

Jan. 2006

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wang chao-yang, tang yong-jian, wang li-li. Fabrication of organic aerogel by supersonic technique[J]. High Power Laser and Particle Beams, 2006, 18.

Citation:

wang chao-yang, tang yong-jian, wang li-li. Fabrication of organic aerogel by supersonic technique[J]. High Power Laser and Particle Beams, 2006, 18.

wang chao-yang, tang yong-jian, wang li-li. Fabrication of organic aerogel by supersonic technique[J]. High Power Laser and Particle Beams, 2006, 18.

Citation:

wang chao-yang, tang yong-jian, wang li-li. Fabrication of organic aerogel by supersonic technique[J]. High Power Laser and Particle Beams, 2006, 18.

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Fabrication of organic aerogel by supersonic technique

1.
Research Center of Laser Fusion,CAEP,P.O.Box 919-987,Mianyang 621900,China

Publish Date: 2006-01-15

Abstract

Abstract

Supersonic technique was introduced into the synthetic route of resorcinol-formaldehyde(RF) aerogel to shorten the fabrication period. The effects of supersonic on gelating and solvent exchanging process were studied. The gelating time by supersonic was shorten by 8%～17% in 10% RF solution. In diluted RF solution, the growth of gel nucleus by supersonic irradiation was about 87 times the velocity of that heating. Supersonic restrained the oxidation effect of reactant in the gelating process. Low intensity supersonic wave speeded up the water exchange by 10 000 times in the solvent exchanging process.
- organic aerogel,
- supersonic,
- cavitation effect