Zeolite modified water-blown polyurethane foams

Details Zeolite modified water-blown polyurethane foams Zeolite modified water-blown polyurethane foams

1989-03-22

1992-03-10

Kight, III, John

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

25218213, 25218227, C08G 1828, C08K 726

Patent

active

050947753

ABSTRACT:
Water-blown, polyurethane foams modified by incorporation of specific zeolites at levels of from about 0.5 to ten parts per hundred parts polyol exhibit superior combustibility with no halogen or phosphorus flame retardant additive in the foam. Conventional halogen/phosphorus flame retardants, while providing a level of combustion resistance, generally lead to increased smoke containing noxious, and potentially toxic, combustion products.

REFERENCES:
patent: 3326844 (1967-06-01), Gruber
patent: 4288559 (1981-09-01), Illger et al.
patent: 4447565 (1984-05-01), Lula et al.
patent: 4518718 (1985-05-01), Frost
patent: 4526906 (1985-07-01), Wegner
patent: 4857584 (1989-08-01), Vandermeersch et al.
patent: 4882363 (1989-11-01), Neuhaus et al.
Ken-React Reference Manual, K. Petrochemicals, Inc., NJ, 1987.

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