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A series of poly(methyl methacrylate)-graft-polystyrene copolymers were prepared using the macromonomer “grafting through” technique. The branch density was varied by variation of the feed ratios in the free radical copolymerization. The macromonomer branch length was controlled by using the living anionic polymerization technique. The graft copolymers were characterised by solution 1H NMR and SEC-MALLS...
High pressure nuclear magnetic resonance (HP-NMR) spectroscopy has become a useful tool for homogeneous catalysis research, both in industry and academia. It is a ''window'' on catalysis at variable temperatures and elevated pressures, and allows the researcher unprecented access to information on catalyst behaviour under process conditions. HP-NMR studies carried out on modified cobalt hydroformylation...
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