Adhesive articles including a cushion layer and a continuous shell layer

An adhesive article including: a flexible backing; a first cushion layer permanently bonded to a first surface of the flexible backing, wherein the first cushion layer: has an average thickness of at least 10 micrometers; and includes an acrylate pressure-sensitive adhesive having a Fox Tg of up to...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Behling, Ross E, Simone, Peter M, Ma, Jingjing, Wang, Sharon, Li, Chaodi, Yarusso, David J, Chen, Zhong, Shockey, Eric D
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY DYES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL PAINTS POLISHES USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	An adhesive article including: a flexible backing; a first cushion layer permanently bonded to a first surface of the flexible backing, wherein the first cushion layer: has an average thickness of at least 10 micrometers; and includes an acrylate pressure-sensitive adhesive having a Fox Tg of up to −30° C., wherein the acrylate pressure-sensitive adhesive includes a (meth)acrylate copolymer; and a first continuous shell layer adjacent the first cushion layer, wherein: the first continuous shell layer has an average thickness of up to 25 micrometers; the ratio of the first cushion layer average thickness to the first shell layer average thickness is at least 2:1; the first continuous shell layer includes an adhesive having a Fox Tg of −20° C. to +50° C.; and the first continuous shell layer adhesive includes a copolymer having a weight average molecular weight of at least 100,000 Daltons.