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High pressure differential scanning calorimetry on polymers

Authors
Journal
Thermochimica Acta
0040-6031
Publisher
Elsevier
Publication Date
Volume
332
Issue
2
Identifiers
DOI: 10.1016/s0040-6031(99)00066-0
Keywords
  • Poly-4-Methylpentene-1 (P4Mp1)
  • High Pressure Differential Scanning Calorimetry (Hpdsc)
  • Conformational Disordered (Condis)
  • Polyethylene
Disciplines
  • Physics

Abstract

Abstract With the aid of a home-made high-pressure measuring cell, connected to a commercial power compensated DSC, it is possible to investigate the melting and crystallization behaviour of polymeric materials as functions of pressure (up to 500 MPa). Results from poly-4-methylpentene-1, syndiotactic polystyrene, and different types of polyethylene are presented and discussed. In addition the melting behaviour of alkanes and alkane mixtures has been investigated, and a thermodynamic description is given. These results are helpful for better understanding of phase transition behaviour under pressure. High pressure DSC is a powerful method which gives additional insight into polymer systems.

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