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1. (WO2015116652) METHODS OF PREPARING SURFACE MODIFIED PRESSURE SENSITIVE ADHESIVE ARTICLES

Pub. No.:    WO/2015/116652    International Application No.:    PCT/US2015/013238
Publication Date: Fri Aug 07 01:59:59 CEST 2015 International Filing Date: Thu Jan 29 00:59:59 CET 2015
IPC: C09J 7/02
Applicants: 3M INNOVATIVE PROPERTIES COMPANY
Inventors: BAETZOLD, John P.
SHERMAN, Audrey A.
WEBER, Brian T.
STRADINGER, John J.
PEKUROVSKY, Mikhail L.
PATEL, Suman K.
SHER, Frank T.
Title: METHODS OF PREPARING SURFACE MODIFIED PRESSURE SENSITIVE ADHESIVE ARTICLES
Abstract:
Adhesive articles include a substrate with a first major surface and a second major surface, a layer of pressure sensitive adhesive with a first major surface and a second major surface, where the second major surface of the pressure sensitive adhesive layer is disposed on the first major surface of the substrate, and a plurality of non-pressure sensitive adhesive structures disposed on the first major surface of the pressure sensitive adhesive layer. The plurality of non-pressure sensitive adhesive structures are arrayed in a random or non-random pattern, and are applied to the first major surface of the pressure sensitive adhesive layer by direct contact printing. The articles may also include a microstructured release liner or conformable sheet covering the first major surface of the pressure sensitive adhesive layer and the plurality of non-pressure sensitive adhesive structures.