UV-curable Fresnel lens resin composition, Fresnel lens, and bac

Details UV-curable Fresnel lens resin composition, Fresnel lens, and bac UV-curable Fresnel lens resin composition, Fresnel lens, and bac

1998-02-04

1999-05-11

Seidleck, James J.

Optical: systems and elements

Lens

With multipart element

522 96, 4284242, 359443, 359448, 359457, G02B3/08

Patent

active

059033991

ABSTRACT:
containing hydroxyl group and aromatic ring (A1), a urethane group-contining (meth) acrylate (A2) comprising an aromatic diol, an aromatic ringcontaining monofunctional (meth)acrylate (A3), and a di(meth)acrylate monomer (A4), and (B), further supplemented with a polyester (C1) comprising an aromatic diol and a phosphate (C2) for the formation of a Fresnel lens on a sheet or plate made of a methyl methacrylate (co) polymer; a Fresnel lens formed by UV cure of composition carrying said Fresnel lens. The Fresnel lens has high refractive index, antistatic properties and is satisfactory in adhesion-to a sheet or plate.

REFERENCES:
patent: 3712707 (1973-01-01), Henkes, Jr.
patent: 4083626 (1978-04-01), Miyahara et al.
patent: 5410006 (1995-04-01), Tachibana et al.
patent: 5820988 (1998-10-01), Nagaoka

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