Polymerizable composition and organic glass

Details Polymerizable composition and organic glass Polymerizable composition and organic glass

1995-07-06

1996-09-17

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

5263285, C08F22020, C08F22010

Patent

active

055569315

ABSTRACT:
A polymerizable composition comprising at least two di(meth)acrylate compounds of the specific general formula (I), e.g., dimethacrylate compounds of polyethylene glycol adduct of 2,2-bis(4-hydroxyphenyl)propane, wherein the content of di(meth)acrylate compound of the general formula (I) in which m+n is 2 to 3 is 30 to 80 mol % and the content of di(meth)acrylate compound of the general formula (I) in which m+n is 6 to 12 is 20 to 50 mol %, and organic glass formed of a polymer from the polymerizable composition, the polymerizable composition being suitable as a transparent resin, particularly as a raw material for an ophthalmic lens which is free of optical strain, has sufficient hardness and is excellent in impact resistance and light resistance.

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