B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/04 (2006.01) C09J 7/00 (2006.01)
Patent
CA 2687077
A method of making a pressure-sensitive adhesive assembly, the method including coating a pressure-sensitive adhesive composition that includes a silicone polymer on a first major surface of a first release liner to form a first layer, coating a composition on the first layer to form a second layer, the composition of the second layer including an elastomer, at least one of the pressure-sensitive adhesive composition of the first layer and the composition of the second layer being in an uncured state during the coating of the second layer, and curing at least one of the first layer and the second layer, the first pressure-sensitive adhesive composition of the multi-layer assembly exhibiting a release force to the release liner of no greater than 100 gram per 0.5 inch width after the multi-layer assembly has been stored for 46 days at 120°F.
L'invention concerne le procédé de fabrication d'un ensemble d'adhésif autocollant. Ledit procédé consiste à revêtir une composition adhésive autocollante incluant un polymère de silicone sur une première surface majeure d'un premier revêtement détachable pour former une première couche; revêtir une composition comprenant un élastomère sur la première couche pour former une seconde couche, au moins la composition adhésive autocollante de la première couche ou la composition de la seconde couche étant dans un état non durci pendant son application sur la seconde couche; durcir au moins la première ou la seconde couche, la première composition adhésive autocollante de l'ensemble multicouche présentant une force de libération sur le revêtement détachable égale ou inférieure à 100 grammes par 0,5 pouce de largeur après stockage de l'ensemble multicouche pendant 46 jours à 120 °F.
Bries James L.
Malmer Jeffrey D.
Sheridan Margaret M.
3m Innovative Properties Company
Smart & Biggar
LandOfFree
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