Method for adhering a coating material to densified random-fiber

Details Method for adhering a coating material to densified random-fiber Method for adhering a coating material to densified random-fiber

1984-10-22

1987-04-21

Dawson, Robert A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

138143, 138146, 427316, 428 86, 428290, 428291, B32B 3112

Patent

active

046594124

ABSTRACT:
A method for adhering a coating material to at least one surface of a densified random-fiber composite sheet is provided. The method comprises applying sufficient heat to a surface of the composite sheet to form an activated surface whereby the fiber component of the sheet is projected outward from a plane defined by that surface, and contacting the activated surface with the coating material. The coating material is generally of a viscous or liquid nature such that it can physically interact with the projected fibers to adhere thereto. A method for adhering asphalt to a metal substrate employing a densified random-fiber composite sheet is also provided wherein the metal is coated with an adhesive and then adhered to an activated surface of a composite sheet. Asphalt is then coated onto the exposed surface of the composite sheet which has been activated or is activated by coating with hot asphalt.

REFERENCES:
patent: 2721144 (1955-10-01), Penley
patent: 3227603 (1966-01-01), Kraiman
patent: 3757829 (1973-09-01), Berry et al.
patent: 3868433 (1975-02-01), Bartz et al.
patent: 4186043 (1980-01-01), Zeigler et al.
patent: 4384083 (1983-05-01), Baker
patent: 4426470 (1984-01-01), Wessling et al.

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