Fire retardant coating for combustible substrates

Details Fire retardant coating for combustible substrates Fire retardant coating for combustible substrates

1985-07-15

1987-05-19

Jacobs, Lewis T.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524409, 524425, 524444, 524568, C09K 2114

Patent

active

046669604

ABSTRACT:
An aqueous base coating system consisting primarily of an emulsion of an extensible halogenated polymer and water insoluble fillers which release non-combustible gases on heating is provided for exterior application to combustible substrates. On drying of the coating system, the resultant coating is no longer redispersible by water. The dried coating is highly adherent to substrates such as wood and upon sustained combustion leaves a high percentage of non-combustible residue. A substantial degree of fire resistance is provided to ignition and spread of flame by 0.1 to 0.3 pounds of dried coating per square foot of the exposed combustible substrate.

REFERENCES:
patent: 2917476 (1959-12-01), Peterson et al.
patent: 3865760 (1975-02-01), Pitts et al.
patent: 3940549 (1976-02-01), Whittum et al.
patent: 4083789 (1978-04-01), Morgan et al.
patent: 4088806 (1978-05-01), Sawko et al.
patent: 4136215 (1979-01-01), den Otter et al.
patent: 4151218 (1979-04-01), Lee
patent: 4228058 (1980-10-01), Hulyalkar et al.

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