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Compressibility and other thermodynamic properties of polymers
Author(s) -
Surland C. C.
Publication year - 1968
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.1968.070120614
Subject(s) - adiabatic process , thermodynamics , heat capacity , polymer , compressibility , materials science , polyurethane , derivative (finance) , internal pressure , composite material , physics , financial economics , economics
Experimental methods for estimating the thermodynamic derivative, (∂ T /∂ P ) s , of both liquids and solids are described and discussed. The adiabatic heating parameter is shown to be useful, in conjunction with other more commonly measured properties, for estimating the heat capacity, C p = T (∂ S /∂ T ) p , and the internal pressure, P i = (∂U/∂V) T . The principles for applying adiabatic heating measurements to the characterization of polymers are given with data for several common liquids and for filled and unfilled polyurethane rubbers.