Polymerizable compositions for making transparent polymer substrates, resulting polymer substrates, and uses thereof in optics

Polymerizable compositions for making transparent polymeric substrates, resulting transparent polymeric substrates and the applications thereof in optics. The composition comprises: from 35 to 70 parts by weight of one or more monomers (I) of formula: wherein R1 and R2 represent H or CH3, A is a div...

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Bibliographic Details
Main Authors ODILE PRIMEL, LEANIRITH YEAN, GILLES RICHARD
Format Patent
LanguageEnglish
Published 23.05.2006
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
CONTACT LENSES
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
ORGANIC MACROMOLECULAR COMPOUNDS
PHYSICS
SPECTACLES
SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:Polymerizable compositions for making transparent polymeric substrates, resulting transparent polymeric substrates and the applications thereof in optics. The composition comprises: from 35 to 70 parts by weight of one or more monomers (I) of formula: wherein R1 and R2 represent H or CH3, A is a divalent moiety of formula: m1 and m2 each are an integer in the range of 4 to 20, from 5 to 50 parts by weight of a monomer (II) comprising at least a urethane unit and at least two (meth)acrylate functions, and from 5 to 40 parts by weight of a monomer (III) with a high Abbe number and comprising one or more methacrylate functions, the total of the monomers (I), (II) and (III) representing 100 parts by weight.
Bibliography:Application Number: US20010824998