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Title: Method of low pressure and/or evaporative drying of aerogel

A process whereby Resorcinol/Formaldehyde (RF) aerogel having a density of about 0.4-1.2 g/cc can be manufactured using a simple air drying procedure. This process is inherently simpler, quicker, and less expensive than the more conventional supercritical or subcritical CO.sub.2 extraction procedures. RF aerogels can be used as produced, such as in insulation applications, or pyrolyzed to form carbon aerogels with a density of about 0.9 g/cc for use in applications such as batteries, supercapacitors, etc.
Inventors:
 [1];  [2];  [3]
  1. (San Leandro, CA)
  2. (Pleasanton, CA)
  3. (Pleasant Hill, CA)
Issue Date:
OSTI Identifier:
869909
Assignee:
Regents of University of California (Oakland, CA) LLNL
Patent Number(s):
US 5420168
Contract Number:
W-7405-ENG-48
Research Org:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Country of Publication:
United States
Language:
English
Subject:
method; pressure; evaporative; drying; aerogel; process; whereby; resorcinol; formaldehyde; rf; density; 4-1; cc; manufactured; simple; air; procedure; inherently; simpler; quicker; expensive; conventional; supercritical; subcritical; extraction; procedures; aerogels; produced; insulation; applications; pyrolyzed; form; carbon; batteries; supercapacitors; etc; process whereby; carbon aerogel; form carbon; carbon aerogels; air drying; evaporative drying; /521/502/