Composition having improved optical qualities

Details Composition having improved optical qualities Composition having improved optical qualities

1984-01-20

1985-04-16

Sikes, William L.

350 9615, 350 9630, G02B 5172

Patent

active

045112096

ABSTRACT:
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.

REFERENCES:
patent: 3864229 (1975-02-01), Zapp et al.
patent: 4120923 (1978-10-01), Kloker et al.
patent: 4161500 (1979-07-01), Schleinitz et al.
patent: 4167465 (1979-09-01), Zussman et al.

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