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Low sample recovery may represent an important drawback in liquid chromatography at the critical adsorption point (LC-CAP) if the critical eluent is not carefully fitted to the system. So far, this problem was often overlooked and only few experimental examples can be found in literature. We showed that in the case of polystyrene (PS) in a tetrahydrofuran (THF)/n-hexane critical mixed eluent, PS with...
A polystyrene-block-poly(ethylene oxide) (PS-b-PEO) copolymer is synthesised in an original manner by nitroxide mediated polymerization of styrene from a PEO macroalkoxyamine. Minor amounts of side products are unavoidably present in the final polymer, including: traces of macroalkoxyamine, PEO-b-PS-b-PEO triblock copolymer—a product of the recombination of PEO-b-PS macro-radical during the initial...
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