Process for fire-proofing porous synthetic sheet material partic

Details Process for fire-proofing porous synthetic sheet material partic Process for fire-proofing porous synthetic sheet material partic

1986-08-15

1987-12-22

Lusignan, Michael R.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

427244, 427246, 4284233, 428904, 428921, 528491, B05D 500, B32B 514, B32B 2700, B32B 2740

Patent

active

047146524

ABSTRACT:
Process particularly suitable for artificial leather of the type whereby a porous polyurethane resin matrix containing polyester and/or polyethylene fibers is covered with a compact, pressed polyurethane resin film, and consists of treating the artificial leather in rotary tanning drums, firstly, with a relatively concentrated solution of water and PIROFLAM (registered trade mark) or other similar commercial fireproofing/retarding substance of the type commonly employed for extinguishing forest fires, and, secondly, with a solution of water and softener, e.g. TRIANOL SP (registered trade mark) to which is added an appropriate amount of the same fireproofing/retarding substance used previously on the artificial leather.

REFERENCES:
patent: 3419344 (1968-12-01), Jones
patent: 3582393 (1971-06-01), Skikada
patent: 3600209 (1971-08-01), Young
patent: 3645775 (1972-02-01), Schulze et al.
patent: 4256786 (1981-03-01), Dias et al.

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