Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1975-12-12
1977-08-09
Welsh, M. J.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
260 296S, 260 296BM, 260 296M, C08L 3104
Patent
active
040410005
ABSTRACT:
The improved fireproof liquid coating composition of the present invention includes water in a substantial proportion as a base or vehicle, in which silica sand, fire clay or the like silica-containing material is dispersed, along with granular zinc oxide, a selected silicate binder and suspending agent such as calcium silicate or sodium silicate, and a minor concentration of a thermoplastic resin binder and suspensing agent, such as polyvinyl acetate.
An alkali metal fluorosilicate can also be present, if desired, to help dry the composition when it is applied to a surface to be protected against fire, rain and other elements. Moreover, coloring agents, preferably selected inorganic oxides, can also be present to suitably color the composition. The composition is simple to make up, inexpensive, easy to apply and highly effective when dried on a surface as a hard fire protective durable layer.
REFERENCES:
patent: 3202567 (1965-08-01), Muri et al.
patent: 3707385 (1972-12-01), Kraemer et al.
patent: 3910798 (1975-10-01), Shires et al.
Hackh's Chemical Dictionary, McGraw-Hill, N.Y., 4th Ed., 1972, p. 610.
Posta Jr. John J.
Welsh M. J.
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