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Tetraethyl ortho-silicate (TEOS) and octadecyl 2-((3-(triethoxysilyl) propyl) amino) acetate (SP) are used as modification agents at the ratios of 1:5, 1:1, 4:1 and 1:0 of TEOS: SP to form the silica by sol-gel process. Silica in both liquid form as well as powder forms at different compositions by weight percent have been subjected to the photo-polymerization with polyethylene glycol diacrylate (PEGDA)...
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