Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1991-06-19
1992-02-04
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521181, C08G 1200, C08J 928
Patent
active
050860852
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: 4873218 (1989-10-01), Pekala
patent: 4997804 (1991-03-01), Pekala
Carnahan L. E.
Foelak Morton
Moser William R.
Sartorio Henry P.
The United States of America as represented by the Department of
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