Flame retardant tufted carpet tile and method of preparing same

Details Flame retardant tufted carpet tile and method of preparing same Flame retardant tufted carpet tile and method of preparing same

1986-08-29

1987-08-25

McCamish, Marion C.

Stock material or miscellaneous articles

Pile or nap type surface or component

Particular backing structure or composition

427355, 427359, 4273899, 427394, 427412, 428 96, 428 97, B32B 3300

Patent

active

046892567

ABSTRACT:
A flame-resistant carpet tile having low smoke values and improved flame resistance which carpet tile comprises a primary backing having a fibrous face and a fibrous back, a barrier layer adjacent to fibrous back to an acrylic polymer heavily loaded with a metallic flame-retardant salt filler material which acrylic polymer is compatible with a vinyl chloride polymer layer and a relatively thick vinyl chloride polymer backing layer adhering to the barrier layer.
The method of preparing a flame-resistant carpet tile which comprises pre-coating the back of a carpet with an acrylic polymer latex containing a metallic salt flame-retardant filler material, coating the latex material with a PVC layer, thereafter laying the latex PVC coated carpet into the top surface of a liquid PVC backing layer, heating the laid-in carpet to fuse the PVC layers, cooling the carpet and cutting the carpet into carpet tile.

REFERENCES:
patent: 3661691 (1972-05-01), Slosberg
patent: 4522857 (1985-06-01), Higgins
patent: 4582554 (1986-04-01), Bell et al.
patent: 4595617 (1986-06-01), Bogdany

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