Backing sheet for cushioned floor

Details Backing sheet for cushioned floor Backing sheet for cushioned floor

1982-07-20

1984-01-03

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

162146, 162160, 428288, 428290, 428323, 428325, B32B 516

Patent

active

044242557

ABSTRACT:
Disclosed is improvement of heat-stability of a backing sheet for cushioned floor during foaming step of gelled polyvinyl chloride resin. The backing sheet comprises a thermoplatic resin fibrous material, another fibrous material and an inorganic filler, to which a phenolic antioxidation agent or a phosphitic antioxidation agent is added.

REFERENCES:
patent: 3920508 (1975-11-01), Yonemori
patent: 4245689 (1981-01-01), Grard et al.

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