ARTÍCULO ADHESIVO SENSIBLE A LA PRESIÓN

• Main Authors: PUJARI, SASWATI, GRIFFITH, WILLIAM B
• Format: Patent
• Language: Spanish
• Published: 26.01.2022
• Subjects: ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; ADHESIVES; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; DYES; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; POLISHES; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF MATERIALS AS ADHESIVES

Se proporciona un artículo adhesivo sensible a la presión que comprende (a) un sustrato (Sa), (b) en contacto con el sustrato (Sa), una capa (Lb) de una composición sensible a la presión (Cb) que comprende uno o más polímeros acrílicos (POLb) que tienen una Tg de 20ºC o menor, y (c) en contacto con la capa (Lb), una capa (Lc) que comprende, (i) uno o más polímeros acrílicos (POLc) que tienen una Tg de 20ºC o menor, y (ii) uno o más copolímeros de olefina. También se proporciona un método para fabricar el artículo adhesivo sensible a la presión y un artículo adherido elaborado mediante el uso del artículo adhesivo sensible a la presión. Provided is a pressure sensitive adhesive article comprising (a) a substrate (Sa) (b) in contact with the substrate (Sa), a layer (Lb) of a pressure sensitive composition (Cb) that comprises one or more acrylic polymer (POLb) having Tg of 20° C. or lower, and (c) in contact with the layer (Lb), a layer (Lc) that comprises, (i) one or more acrylic polymer (POLc) having Tg of 20° C. or lower, and (ii) one or more olefin copolymer. Also provided are a method of making the pressure sensitive adhesive article and a bonded article made by using the pressure sensitive adhesive article.