Investigation of copolymers of styrene and ethyl methacrylate by size exclusion chromatography and gradient HPLC

  • Gottfried Glöckner
  • Manfred Stickler
  • Winfried Wunderlich
Original Papers Organic-Technical Analysis


Copolymers of styrene and ethyl methacrylate have been separated according to composition by gradient HPLC on silica columns or CN bonded phase columns. This mode of separation according to composition was applied to fractions obtained by size exclusion chromatography (SEC). From viscosity and molecular mass data of copolymers with a styrene content ranging from 7.5 to 95.3 mass-% it can be concluded that SEC separates mainly by molecular mass even in this copolymer system. Thus, chromatographic cross-fractionation is possible by prefractionation by SEC and subsequent separation according to composition by gradient HPLC.


Viscosity Chromatography HPLC Ethyl Inorganic Chemistry 
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Untersuchung von Copolymeren von Styrol und Ethylmethacrylat durch Ausschluß-Chromatographie und Gradienten-HPLC


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Copyright information

© Springer-Verlag 1987

Authors and Affiliations

  • Gottfried Glöckner
    • 1
  • Manfred Stickler
    • 2
  • Winfried Wunderlich
    • 2
  1. 1.Sektion ChemieTechnische Universität DresdenDresdenGerman Democratic Republic
  2. 2.Forschung der Röhm GmbHDarmstadtRepublic of Germany

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