Encapsulated flame retardant system

Details Encapsulated flame retardant system Encapsulated flame retardant system

1973-08-22

1976-07-06

Ivy, C. Warren

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

252 2, 252 81, 252182, 260 25R, 260 25FP, 260 296B, 260 296MP, 264191, 264271, C08K 910, C08J 900, C08G 1814

Patent

active

039680606

ABSTRACT:
Microcapsules having an average diameter below 5 microns and containing a flame retardant material are incorporated into polymeric materials, such as polyurethane foams without affecting the structural integrity of the cell walls of the foam. The capsules are chemically bonded to the foam, as well as physically incorporated therein by employing polyhydroxy polymer-containing capsule wall materials which react with the isocyanate used in the polyurethane. The minute capsules are incorporated into paint to give increased hiding power as well as flame resistance, and are co-extruded into filaments.

REFERENCES:
patent: 3262894 (1966-07-01), Green
patent: 3549564 (1970-12-01), Parker
patent: 3615972 (1971-10-01), Morehouse
patent: 3660321 (1972-05-01), Praetzel
patent: 3697422 (1972-10-01), Mackie

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