Semi-quantitative analysis of the monomer composition in co-polymer microgels using solid state Raman and NMR spectroscopy.


A series of colloidal microgels have been prepared by surfactant-free emulsion polymerisation (SFEP) based on the N-isopropylacrylamide (NIPAM) monomer. 4-Vinylpyridine (4-VP) and butylacrylate (BuA) have been used as co-monomers. Co-polymer poly(NIPAM/4-VP) and poly(NIPAM/BuA) have been prepared with various monomer ratios, ranging from pure poly(NIPAM) to… (More)
DOI: 10.1039/b816792c


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