Intumescent material

Details Intumescent material Intumescent material

1984-08-23

1987-01-13

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C08K 334

Patent

active

046365389

ABSTRACT:
An intumescent material comprises one or more organic polyhydroxy compounds, one or more organic polyamido compounds in free and/or combined form, an ammonium phosphate activator, an amino resin binder, and sodium silicate, the sodium silicate being present in sufficient amounts to prevent the material from totally intumescing quickly when subjected to elevated temperatures, the amounts of sodium silicate ranging from 3 to 12.7% by weight of the total composition but being present in at least 8.9% by weight of the ammonium phosphate activator.

REFERENCES:
patent: 830329 (1905-10-01), Kelly
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patent: 2241801 (1941-05-01), Yohe
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patent: 2650206 (1953-08-01), Stock
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patent: 2821514 (1958-01-01), Sarbach
patent: 3654190 (1972-04-01), Levine
patent: 4198328 (1980-04-01), Bertelli
patent: 4341694 (1982-07-01), Halpern
patent: 4486553 (1984-12-01), Wesch

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