C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
C09J 7/02 (2006.01) C08J 7/04 (2006.01)
Patent
CA 2404697
To provide an adhesive sheet which is provided with excellent stain resistance and is also provided with adhesion with another adhesive sheet. An adhesive sheet comprising a flexible substrate, an adhesive layer disposed on the back surface of said flexible substrate, and a protective layer disposed on the surface of said flexible substrate, characterized in that: said protective layer contains (1) a cured resin, and (2) a hydrophilizing agent of an inorganic oxide, an organosilicate compound or a mixture thereof; and that the thickness of said protective layer is from about 0.1 to about 60 µm and the contact angle between the surface of said protective layer and water is from about 35 to about 65 degrees.
L'invention porte sur une feuille adhésive dotée d'une excellente résistance aux taches et pouvant également adhérer à une autre feuille adhésive. Cette feuille adhésive comprend un substrat flexible, une couche adhésive placée sur la surface arrière du substrat flexible, et une couche protectrice placée sur la surface de ce substrat flexible, et se caractérise en ce que: la couche protectrice contient (1) une résine durcie, et (2) un agent hydrophile d'un oxyde inorganique, un composé organosilicate ou un mélange de ceux-ci; la couche protectrice a une épaisseur comprise entre environ 0,1 et environ 60 µm et l'angle de contact entre la surface de la couche protectrice et l'eau est compris entre environ 35 et environ 65 degrés.
3m Innovative Properties Company
Smart & Biggar
LandOfFree
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