Stain repellent optical hard coating

Details Stain repellent optical hard coating Stain repellent optical hard coating

2007-02-06

2007-02-06

Spector, David N. (Department: 2873)

Optical: systems and elements

Lens

Combined with diverse art tool, instrument or machine

C428S336000, C428S421000, C428S522000, C359S582000

Reexamination Certificate

active

11121456

ABSTRACT:
A hard coating composition for use as a stain repellent single layer on an optical display. The coating composition adds a monomer of a mono or multi(methyl)acrylate bearing at least one monovalent hexafluoropolypropylene oxide derivative and a free radically reactive compatibilizer consisting of either a fluoroalkyl-group containing acrylate compatibilizer or a fluoroalkylene-group containing acrylate compatibilizer to a conventional hydrocarbon-based hard coat formulation. The resultant coating is substantially smooth and forms a durable surface layer that has low surface energy that is stain and ink repellent.

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