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The application of size exclusion chromatography equipped with RI and LALLS detectors to study network formation

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Abstract

The accuracy of the SEC/LALLS/RI method for measuring molecular weight and molecular weight distribution of the polymerizing system, consisting of a triisocyanate and a diol was examined. It has been found that both Mn and Mw were higher than theoretical up to about 60% conversion. Above this conversion Mw was considerably lower and molecular weight distribution narrower than predicted by gelation theory.

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Authors and Affiliations

  1. Faculty of Technology, University of Novi Sad, YU-21000, Novi Sad, Yugoslavia

    Zoran S. Petrović

  2. Polymer Science and Engineering Department, University of Massachusetts, 01003, Amherst, MA, USA

    William J. MacKnight

Authors
  1. Zoran S. Petrović
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  2. William J. MacKnight
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Dedicated to Prof. Dragutin Fleš on the occasion of his 70th birthday

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Petrović, Z.S., MacKnight, W.J. The application of size exclusion chromatography equipped with RI and LALLS detectors to study network formation. Polymer Bulletin 27, 281–287 (1991). https://doi.org/10.1007/BF00294533

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  • DOI: https://doi.org/10.1007/BF00294533

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