Optical materials composed of resin from thioacrylat esters

Details Optical materials composed of resin from thioacrylat esters Optical materials composed of resin from thioacrylat esters

1988-10-03

1990-06-05

Henderson, Christopher

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526289, 350409, C08F 2038

Patent

active

049315218

ABSTRACT:
A process for producing a resin having a high refractivve index which comprises radically polymerizing a material monomer, characterized in that said material monomer comprises [I] at least one polymerizable monomer selected from the group consisting of a polyfunctional thioacrylate and a polyfnctional thiomethacrylate (as an indispensable component), and optionally [II] at least one other polymerizable monomer which is radically polymerizable with said polymerizable monomer [I], a resin having a high refractive index produced by said process and optical materials, especially lenses and disk substrates prepared from said resin.

REFERENCES:
patent: 4536267 (1985-08-01), Ito
patent: 4654431 (1987-03-01), DeBoer
patent: 4745168 (1988-05-01), Nakamoto
patent: 4751263 (1988-06-01), Domeier

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