Primerless pressure-sensitive adhesive constructions

Details Primerless pressure-sensitive adhesive constructions Primerless pressure-sensitive adhesive constructions

B - Operations, Transporting

32

B

B32B 7/12 (2006.01) B05C 5/02 (2006.01) B05C 9/06 (2006.01) B05D 5/10 (2006.01) C09J 7/02 (2006.01)

Patent

CA 2200051

There is provided a laminate of a backing, a layer of permanent pressure- sensitive adhesive and a layer of removable pressure-sensitive adhesive, the latter being in contact with a release surface of a release liner or the opposed surface of the backing. The removable pressure-sensitive adhesive is provided at a coat weight of at least 10 gsm and at coat weight ratio to the permanent pressure-sensitive adhesive of at least 1:1.

L'invention concerne un stratifié constitué par une couche de support, par une couche d'adhésif permanent auto-collant et par une couche d'adhésif amovible auto-collant, cette dernière étant en contact avec la surface détachable d'une doublure détachable ou avec la surface opposée du support. L'adhésif amovible possède un poids de revêtement d'au moins 10 grammes par mètre carré et un rapport entre le poids de revêtement et l'adhésif permanent d'au moins 1:1.

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