Repositionable adhesive article

C - Chemistry – Metallurgy – 09 – J

Patent

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Details

C09J 7/02 (2006.01)

Patent

CA 2237676

An adhesive sheet having an adhesive layer and at least one surface being topologically microstructured, either with configured structures or a coating of particles and an underlying adhesive such that the adhesive layer has at least two levels of adhesion, a contact bond and an application bond, such that initial contact bond is substantially less than the application bond and that the contact bond simultaneously changes to the application bond with the application of pressure onto the adhesive sheet. The adhesive layer's positionability and repositionability are recoverable properties.

Feuille adhésive possédant une couche adhésive et au moins une surface dont la topologie présente une microstructure se présentant soit sous la forme de structures configurées, soit d'un revêtement de particules, et un adhésif sous-jacent, de sorte que la couche adhésive possède au moins deux niveaux d'adhérence, une adhérence par contact et une adhérence par application, de telle manière que l'adhérence initiale par contact est sensiblement inférieure à l'adhérence par application et que l'adhérence par contact se modifie simultanément en adhérence par application lorsqu'on exerce une pression sur la feuille adhésive.

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