Composition having improved optical qualities

Details Composition having improved optical qualities Composition having improved optical qualities

G - Physics

02

B

402/322, 402/451

G02B 6/02 (2006.01)

Patent

CA 1221797

ABSTRACT OF DISCLOSURE Compositions with improved optical qualities, based on highly fluorinated monofunctional acrylates, are cured for use in a wide range of optical articles. The preferred components of the composition are (1) a highly fluorinated monofunctional acrylate; (2) a trifunctional or higher acrylate that serves as a crosslinking agent; (3) a mono or poly-functional thiol that functions as a synergist; and (4) a photoinitiator such as an ultraviolet (UV) initiator. These components can be varied relative to one another over a wide range, but the fluoroacrylate must always be the major component. Where the fluoroacrylate is a solid at room temperature, a small amount of solvent like di-isobutyl ketone or methylene chloride can be added.

472370

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