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  • Title: Characterization of poly(ethylene glycol)-b-poly(epsilon-caprolactone) by two-dimensional liquid chromatography.
    Author: Ahmed H, Trathnigg B.
    Journal: J Sep Sci; 2009 May; 32(9):1390-400. PubMed ID: 19350584.
    Abstract:
    Block copolymers of ethylene oxide and epsilon-caprolactone were synthesized by microwave-assisted polymerization of epsilon-caprolactone with polyethylene glycol monomethyl ethers as initiator. The samples thus obtained were characterized by two-dimensional liquid chromatography with liquid chromatography at critical conditions as the first and liquid exclusion adsorption chromatography as the second dimension. A full baseline separation of all oligomers could be achieved in both dimensions.
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