Numerical evaluation of the thermodynamic equation for the state of polymer melts from pressure-volume-temperature (pVT) data

A refinement of the numerical calculation for reducing PVT parameters has been given by using the Marquardt--Levenberg nonlinear least-squares algorithm. Three different polymers were analyzed and evaluated by the proposed method. The precision of the PVT measurement makes sense for an improvement o...

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Veröffentlicht in:	Polymer bulletin (Berlin, Germany) Germany), 1988-12, Vol.20 (6), p.569-576
Hauptverfasser:	LUCCHELLI, E, TOMKA, I, VANCSO, G, YEH, P. L
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Exact sciences and technology Organic polymers Physicochemistry of polymers Properties and characterization Thermal and thermodynamic properties
Online-Zugang:	Volltext
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