Surface-initiated atom-transfer radical polymerization (SI-ATRP) of methyl methacrylate from carbon fibre

摘要

Surface modification of carbon fibre (CF) by well-defined polymer brushes was carried out using the 'grafting from' method.Poly(methyl methacrylate)-grafted carbon fibre (CF-PMMA) was successfully prepared by surface-initiated atom-transfer radical polymerization (SI-ATRP) of methyl methacrylate (MMA) from the macro-initiator,bromo-acetic ester-modified carbon fibre (CF-BrA),with the complex of 1,10-phenanthroline and Cu(I)Br as catalyst.The percentage of grafting (PG%) and the conversion of monomer (C%) increased linearly with increasing of polymerization time,and reached 24.0 % and 6.7 %,respectively,after a polymerization time of 6h,calculated from the elemental analyses (EA).The structural and surface morphological analyses were conducted with Fourier-transform infrared (FTIR) spectroscopy,X-ray photoelectron spectroscopy (XPS) and scanning electron microscopy (SEM).