Primer/membrane barrier system

Details Primer/membrane barrier system Primer/membrane barrier system

B - Operations, Transporting

32

B

B32B 7/10 (2006.01) C09J 7/02 (2006.01) C08L 33/08 (2006.01)

Patent

CA 2446132

An exemplary primer/membrane package system comprises (a) a membrane (16) comprising a carrier sheet (18) and a pressure-sensitive adhesive (20) thereon; and (b) an aqueous dispersion primer composition (12) operative to promote adhesion between a construction surface (10) and the membrane. The primer composition comprises at least two of an acetate, maleate, and acrylate, and has a viscosity of 200-2000 cp and more preferably 400-800 cp.

Dans un exemple de réalisation, ce système combiné primaire/membrane comprend (a) une membrane (16) comprenant une feuille (18) de support sur laquelle est appliqué un adhésif (20) sensible à la pression; et (b) une composition (12) de primaire sous forme de dispersion aqueuse qui sert à favoriser l'adhérence entre une surface (10) d'une construction et la membrane. La composition de primaire comprend au moins deux des composants suivants : acétate, maléate et acrylate, et présente une viscosité de 200 à 2000 cp, de préférence comprise entre 400 et 800 cp.

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