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Chromatographs

Polymer Char

  • GPC chromatograph / TCD / multi-detector / laboratory
  • GPC chromatograph / TCD / multi-detector / laboratory
  • GPC chromatograph / TCD / multi-detector / laboratory

CFC

Article: 00023405

GPC chromatograph / TCD / multi-detector / laboratory

High resolution cross-fractionation of Polyolefins has been made possible through the new Polymer Char?s CFC fully automated instrument. Two-dimensional distribution relating molar mass and composition variables is often required for comprehensive characterization of complex materials, and complete cross-fractionation is the only technique which has determined it with no loss of information.

This compact automated instrument fractionates the polymer according to crystallinity, following a TREF separation process (Temperature Rising Elution Fractionation). Meanwhile, the resulting fractions are continuously injected towards the online GPC columns where a second fractionation, this time according to molar mass, is performed. Resulting fractions are measured by an integrated infrared detector, IR4 or IR5, which can provide composition information as well.

Polymer Char?s analytical CFC technology overcomes the difficulties of preparative fractionation methods which are sometimes tedious and time consuming. The full bivariate distribution is now measured in hours instead of days, with limited solvent consumption and no manual intervention, in an intrinsically safe setup.
Virtual instrumentation software allows flexible method development so that analysis time and resolution can be optimized. A powerful and intuitive software package is available for data processing, columns calibration and graphical representation of distributions, allowing different views of the data.

Specifications

  • Type: GPC
  • Detector type: TCD, multi-detector
  • Applications: laboratory
  • Other characteristics: portable, two-dimensional

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