Intumescent-ablator coatings using endothermic fillers

Details Intumescent-ablator coatings using endothermic fillers Intumescent-ablator coatings using endothermic fillers

1976-12-23

1978-05-09

Czaja, Donald E.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

260 336EP, 260 336PQ, 260 338EP, 260 338UA, 260 37EP, 260 4243, 260 457R, 260 4575W, 260 4585N, 260 459R, 427386, 427388A, 428313, 428921, B32B 1508, C08K 501, C08K 502

Patent

active

040888061

ABSTRACT:
An intumescent-ablator coating composition which comprises an intumescent agent such as the ammonium salt of 1,4-nitroaniline-2-sulfonic acid or 4,4-dinitrosulfanilide, a polymeric binder system and about 5 to 30% by weight, based on the total weight of the intumescent agent and the binder, of an endothermic filler having a decomposition temperature about or within the exothermic region of the intumescent agent.

REFERENCES:
patent: 3663463 (1972-05-01), Wren
patent: 3730940 (1973-05-01), Versnel et al.
patent: 3730942 (1973-05-01), Green et al.
patent: 3779825 (1973-12-01), Blackwell
patent: 4000109 (1976-12-01), Smith et al.
Lee et al. -- Handbook of Epoxy Resins (McGraw-Hill) (N.Y.) (1967), pp. 24-29 to 24-33 and 25-31.

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