Optical material and composition for optical material

Details Optical material and composition for optical material Optical material and composition for optical material

1991-07-12

1992-12-15

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526321, 5263231, C08F 2240

Patent

active

051718065

ABSTRACT:
A composition for an optical material, which comprises an N-phenylmaleimide, a di(meth)allyl diphenate and a bisphenol ester.
The N-phenylmaleimide, the di(meth)allyl diphenate and the bisphenol ester are contained in amounts of 1 to 50% by weight, 5 to 50% by weight and 1 to 30% by weight, based on the total weight of these components, respectively, The composition affords a three-dimensionally crosslinked resin by radical polymerization. The resin is useful for an optical material.

REFERENCES:
patent: 4868261 (1989-09-01), Kobayashi et al.
patent: 4918152 (1990-04-01), Moritani et al.

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