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Annealing of plasticized PVC. Dilatometric and DSC observations
Author(s) -
Garrett T. B.,
Goldfarb L.
Publication year - 1977
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.1977.070210521
Subject(s) - annealing (glass) , enthalpy , isothermal process , differential scanning calorimetry , materials science , thermodynamics , volume expansion , polymer chemistry , chemistry , analytical chemistry (journal) , composite material , chromatography , physics , medicine
Isothermal dilatometric measurements on quenched, plasticized PVC have been made at a series of temperatures, and a mathematical expression has been obtained to described the specific volume as a function of time. The results of these measurements, along with those obtained using differential scanning colorimetry (DSC) for the change in enthalpy accompanying annealing, clearly show a change in the character of the annealing process with rising temperature; but the underlying molecular kinetic mechanism apparently remains unchanged.