Poly(.alpha.-olefin) pressure sensitive adhesive tape with a...

Details Poly(.alpha.-olefin) pressure sensitive adhesive tape with a... Poly(.alpha.-olefin) pressure sensitive adhesive tape with a...

C - Chemistry, Metallurgy

09

J

C09J 7/02 (2006.01)

Patent

CA 2238406

In a PSA tape construction, a primer layer including a neutralized rosin that includes acid functionalities and, optionally, an elastomer such as a styrene- butadiene rubber, is included between a tape backing and a poly(.alpha.- olefin) adhesive layer. Bonding of the adhesive layer to the backing is greatly improved, especially during and after high temperature baking of the tape construction.

Dans un modèle de ruban adhésif sensible à la pression selon l'invention, une couche primaire comprenant une colophane neutralisée qui comporte des fonctionnalités acides et, éventuellement, un élastomère tel qu'un caoutchouc de styrène-butadiène, est située entre un support de bande et une couche adhésive de poly(.alpha.-oléfine). La liaison entre la couche adhésive et le support est fortement améliorée, en particulier pendant et après la cuisson du ruban à haute température.

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