Photocurable resin composition and optical lens produced therefr

Details Photocurable resin composition and optical lens produced therefr Photocurable resin composition and optical lens produced therefr

1995-12-11

1996-10-15

Berman, Susan W.

Optical: systems and elements

Lens

Single component with multiple elements

359708, 359742, 359743, 359797, 522 90, 522 96, G02B 308, G02B 900, C08L 7516, C08F 250

Patent

active

055660274

ABSTRACT:
A resin layer having an improved durability may be obtained by curing a photocurable resin composition, including: (A) a polyfunctional urethane-modified polyester (meth)acrylate comprising a polyester oligomer and a plurality of (meth)acryloyl groups bonded to the polyester oligomer via a urethane group, and having a number-average molecular weight of at least 700, (B) a polyfunctional (meth)acrylate having a number-average molecular weight of less than 700, (C) a monofunctional (meth)acrylate, and (D) a photopolymerization initiator. The cured resin layer shows a Young's modulus which shows a small temperature-dependence, and reduces the possibility of peeling of an optional overcoating layer formed thereon.

REFERENCES:
patent: 4376800 (1983-03-01), Lu et al.
patent: 4844594 (1989-07-01), Gossink
patent: 4890905 (1990-01-01), Van Rosmalen et al.
patent: 5264160 (1993-11-01), Arai et al.
patent: 5286421 (1994-02-01), Arai

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