Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1991-04-11
1992-01-14
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521 61, 521 64, 528254, C08G 1200
Patent
active
050811630
ABSTRACT:
Organic aerogels that are transparent and essentially colorless are prepa from the aqueous, sol-gel polymerization of melamine with formaldehyde. The melamine-formaldehyde (MF) aerogels have low densities, high surface areas, continuous porsity, ultrafine cell/pore sizes, and optical clarity.
REFERENCES:
patent: 4007142 (1977-02-01), Clarke et al.
patent: 4307201 (1981-12-01), Won
Carnahan L. E.
Foelak Morton
Gaither Roger S.
Moser William R.
The United States of America as represented by the Department of
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