Peelable adhesive tape and article-attaching kit

C - Chemistry – Metallurgy – 09 – J

Patent

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Details

C09J 7/02 (2006.01) C09J 7/00 (2006.01)

Patent

CA 2634396

To provide an adhesive tape which can be stretched so as to be easily removed entirely from an adherend through one time of a pulling operation, leaving the adhesive little on the adherend, lending itself well to be stuck to various materials inclusive of a soft vinyl chloride, and can be strongly adhered even to adherends having a rugged structure in the surface thereof following up the shape to a sufficient degree. The adhesive tape comprises a pair of a first adhesive element having a first adhesive layer directly applied to an adherend and a second adhesive element, capable of being stretched, including a second adhesive layer applied to the adherend via the first adhesive layer and a base member that supports the second adhesive layer, wherein the first adhesive layer has the strain and stress smaller than the strain and stress of the second adhesive element as measured by a tensile test.

La présente invention concerne un ruban adhésif qui peut s'étirer de manière à pouvoir se retirer facilement d'un support dans son intégralité en tirant en une seule fois, ce qui laisse un peu d'adhésif sur le support, qui peut se coller à divers matériaux dont du chlorure de vinyle souple et qui peut adhérer fermement même à des supports présentant une surface de structure rugueuse en épousant suffisamment la forme du support. Le ruban adhésif comprend une paire constituée d'un premier élément adhésif, doté d'une première couche adhésive appliquée directement sur un support, et d'un second élément adhésif, pouvant s'étirer, doté d'une seconde couche adhésive appliquée sur le support par l'intermédiaire de la première couche adhésive et d'un élément de base qui soutient la seconde couche adhésive, la première couche adhésive possédant une contrainte et une tension inférieures à celles du second élément adhésif telles que mesurées par un essai de traction.

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