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Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications
(AREA)
Abstract
An optical lense use resin composition which comprises of: (a) 40~60 wt% of first monomer, which contains two functional groups of 3,9-divinyl spirobi (m-dioxane); (b) 60~40 wt% of second monomer, which can be styrene or chlorostyrene; (c) maleic acid diallyl ester, which amounts 3~8 wt% of the sum of the first and second monomers; (d) a free radical polymerization initiator, which amounts 1~5 wt% of the sum of the first and second monomers.
TW82104731A1993-06-101993-06-10Optical lense use resin composition and its production method
TW216798B
(en)
A soft contact lens comprising anti-bacterial, insoluble, metal-chelating polymers the invention relates to a soft contact lens comprising a water-swollen gel of an anti-bacterial, insoluble, metal-chelating polymer of a special composition.