Controlled grafting of a well-defined polymer on a porous glass filter by surface-initiated atom transfer radical polymerization
作者： M Ejaz , Y Tsujii , T Fukuda
DOI: 10.1016/S0032-3861(01)00192-6
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摘要: Abstract The atom transfer radical polymerization (ATRP) technique using the copper halide/sparteine complexes was applied to graft of methyl methacrylate on a porous glass filter which initiator, 2-(4-chlorosulfonylphenyl) ethyltrichlorosilane, immobilized by chemisorption. chains were cleaved from HF treatment in presence phase catalyst. Gel permeation chromatographic and infrared absorption spectroscopic measurements confirmed that carried out free (sacrificing) p-toluenesulfonyl chloride, afforded layer well-controlled, low-polydispersity polymer inner surface filter. number-average molecular weight (Mn) increased with reaction time, it nearly equal Mn produced solution. density as high those formed silicon wafer silica particle under similar conditions.
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