Compositions – Fire retarding – For solid synthetic polymer and reactants thereof
Patent
1988-10-20
1989-10-03
Locker, Howard J.
Compositions
Fire retarding
For solid synthetic polymer and reactants thereof
106 1812, 106 1813, 106 1816, 106 1824, 106 183, 106 1831, 106 1832, 106 1833, 252601, 252606, 252 7, 42840224, 428403, 428404, 428406, 428920, 428921, 521903, 521906, 521907, C09K 2100, C09D 516, C09D 518
Patent
active
048714771
ABSTRACT:
Disclosed are foam polymer compositions having outstanding resistance to expose to flame. The compositions comprise the product of reaction of a foamable composition and certain inorganic filler materials including one or more of (A) microexplodable micron-sized particles having an internal phase of a non-flammable gas releasing inorganic particulate material such as alumina trihydrate and an external phase of fusible inorganic material such as sodium silicate, (B) particulate, expandable alkali metal silicate, and (C) a particulate inorganic fire retardant such as ammonium salt of a phosphate or polyphosphate. The foams are self-extinguishing, essentially non dripping, and generate only low levels of smoke when impacted directly with the flame of a blowtorch.
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Firestop Chemical Corporation
Locker Howard J.
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