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Apparent anomalous thermal behavior of polymers undergoing a glass transition
Author(s) -
Roberts R. C.,
Sherliker F. R.
Publication year - 1969
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.1969.070131004
Subject(s) - glass transition , anomaly (physics) , polymer , exothermic reaction , relaxation (psychology) , materials science , thermodynamics , thermal , volume (thermodynamics) , polymer chemistry , composite material , condensed matter physics , physics , psychology , social psychology
Glass transitions in certain polymer samples were detected as a step change in a DTA trace in the exothermic sense. This anomaly is explained as a manifestation of the volume relaxation shown to occur at the glass transition in internally strained samples.