Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1985-12-12
1987-10-27
Bell, James J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
156 82, 15624411, 15624423, 428246, 428268, 428421, 428422, B32B 700
Patent
active
047029560
ABSTRACT:
The surface of a molten polymer is treated with a flame as the polymer is extruded; the polymer is co-calendered with a substrate as a fibrous web immediately downstream from the extruder and the flame. Articles so treated exhibit superior bond strengths. In one embodiment, both the polymer and the web are treated with a flame prior to the step of co-calendering.
REFERENCES:
patent: 2700631 (1955-01-01), Ferguson et al.
patent: 3640788 (1972-02-01), Flynn
patent: 3829343 (1974-08-01), Remmert
patent: 4003777 (1977-01-01), Eddy
patent: 4311745 (1982-01-01), Craver
patent: 4381330 (1983-04-01), Gotomyo et al.
Kline Harvey E.
Mackey Joseph E.
Wilson George S.
Ausimont U.S.A., Inc.
Bell James J.
Gilfillan III John G.
Lillie Raymond J.
Olstein Elliot M.
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