Flexible hardcoat comprising urethane oligomer hydrogen bonded to an acrylic polymer suitable for stretchable films
Assignee3M Innovative Properties Company
InventorsRichard J. Pokorny, Thomas P. Klun, Chad M. Amb, Nicholas L. Untiedt, Matthew V.B. Topeff, Bruce A. Nerad
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Abstract
A hardcoat composition is described comprising urethane (meth)acrylate oligomer having first functional groups; an acrylic polymer having second functional groups; wherein the first and second functional groups are capable of forming a hydrogen bond; and optionally nanoparticles. Also described are articles comprising the cured hardcoat described herein disposed on a surface of a substrate, method of using the articles, and methods of making the articles.
Claims28
A hardcoat composition comprising:
- an organic component comprising
- urethane (meth)acrylate oligomer having first functional groups;
- an acrylic polymer having second functional groups;
- wherein the first and second functional groups are capable of forming a hydrogen bond;
- and
- 0 to 30 wt.-% inorganic oxide nanoparticles.
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Dependencies are inferred from the claim text.