Skid resistant moisture barriers and process for making same

Details Skid resistant moisture barriers and process for making same Skid resistant moisture barriers and process for making same

B - Operations, Transporting

32

B

B32B 3/30 (2006.01) B32B 3/08 (2006.01) B32B 5/16 (2006.01) B32B 7/12 (2006.01) B32B 27/02 (2006.01) B41M 3/00 (2006.01) D06N 7/00 (2006.01) E04D 12/00 (2006.01) B41M 1/10 (2006.01) B41M 1/12 (2006.01) E04B 1/62 (2006.01)

Patent

CA 2428786

Skid-resistant moisture barriers of the invention, such as house wrapping, waterproofing membranes, and roofing underlayments, have a carrier sheet with polymer nodules deposited thereon through a rotating screen roll or by transfer means such as a gravure roll. Precise coating levels and polymer distribution can be achieved more easily when compared with prior art coating and embossing methods.

Cette invention porte sur des membranes étanches antidérapantes, comme les membranes étanches d'enveloppement de maisons et les sous-couches de couverture. Ces membranes comportent une feuille-support avec des nodules de polymères déposés dessus au moyen d'un rouleau perforé rotatif ou par un dispositif de transfert, comme un rouleau de couchage par gravure. Il est possible d'obtenir plus facilement des qualités de revêtement et une répartition polymérique précis par comparaison avec les méthodes de revêtement et de gaufrage antérieures.

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