EPOXY COMPOUND HAVING ALKOXY SILYL GROUP, COMPOSITION COMPRISING SAME, CURED PRODUCT, USE THEREOF AND METHOD FOR PREPARING EPOXY COMPOUND HAVING ALKOXY SILYL GROUP
EPOXY COMPOUND HAVING ALKOXY SILYL GROUP, COMPOSITION COMPRISING SAME, CURED PRODUCT, USE THEREOF AND METHOD FOR PREPARING EPOXY COMPOUND HAVING ALKOXY SILYL GROUP
Optically clear soft contact lenses of a polyoxirane crosslinked polyvinyl alcohol having a weight average molecular weight of at least 8,000 and degree of hydrolysis of at least 91 % and their preparation are disclosed. The materials are characterized by their ability to be boiling water sterilized, and their high water content, high oxygen permeability and high optical clarity.
EPOXY COMPOUND HAVING ALKOXY SILYL GROUP, COMPOSITION COMPRISING SAME, CURED PRODUCT, USE THEREOF AND METHOD FOR PREPARING EPOXY COMPOUND HAVING ALKOXY SILYL GROUP