Heat expandable fireproof and flame retardant construction produ

Details Heat expandable fireproof and flame retardant construction produ Heat expandable fireproof and flame retardant construction produ

1986-08-25

1988-07-12

Kittle, John E.

Stock material or miscellaneous articles

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428126, 428237, 428240, 428365, 428372, 428920, 52404, B32B 304, B32B 502, F04B 174

Patent

active

047569450

ABSTRACT:
A non-combustible blanket material is provided for use in manufacture and construction application to prevent the spread of flames and heat. The blanket material includes a substrate layer made of inorganic fibers formed into a fireproof, porous cloth. In addition, a heat-expandable non-combustible layer is permanently affixed to one side of the substrate layer. This flame retardant layer includes a combination of fireproof manufactured fibrous material of relatively short length and random orientation, heat expandable particles of temperature sensitive material, and a fireproof adhesive for binding the fibrous material and the heat expandable particles together as well as binding the combination to the substrate layer. The heat expandable particles are adapted to increase the thickness of the flame retardant layer when subjected to temperatures substantially in excess of ambient.

REFERENCES:
patent: 3493460 (1970-02-01), Windecker
patent: 3830687 (1974-08-01), Re et al.
patent: 4159302 (1979-06-01), Greve et al.
patent: 4210070 (1980-07-01), Tatum et al.
patent: 4270326 (1981-06-01), Holter et al.
patent: 4516374 (1985-05-01), Finney

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