Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1991-02-21
1992-04-07
Van Balen, William J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428273, 428283, 428290, 428489, B32B 1702, B32B 516
Patent
active
051027283
ABSTRACT:
A coating composition and method of producing a non-porous mat includes coating a predominantly glass fiber porous web substrate. The coating comprises an aqueous mixture of a mineral pigment; a first binder material comprised of a polymer latex adhesive material; and, a second binder material comprised of asphalt emulsion material. The total dry weight basis of both binders does not exceed 24% of the total coating.
REFERENCES:
patent: 4459334 (1984-07-01), Blanpied et al.
patent: 4618522 (1986-10-01), Modic
Blanpied Robert H.
Bush Philip W.
Donald Richard L.
Gay William M.
Williams James H.
Atlas Roofing Corporation
Van Balen William J.
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