Waterproofing membrane and method of manufacture

Details Waterproofing membrane and method of manufacture Waterproofing membrane and method of manufacture

C - Chemistry, Metallurgy

09

J

C09J 195/00 (2006.01)

Patent

CA 2275985

A waterproofing membrane is provided which includes a waterproof synthetic resin film presenting opposed first and second surfaces, and an inner bitumen adhesive supported on the first surface of the film. The membrane is manufactured by heating the bitumen adhesive and applying it to a web of the waterproof synthetic resin film. As such, the resulting membrane includes an adhesive possessing a coating temperature at which the adhesive can be applied to the film as a viscous liquid, and a film possessing a still higher transition temperature that permits the film to function as a substrate for the bitumen adhesive during manufacture.

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