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Prediction of diallyl phthalate molding performance from laboratory tests II. Comparison of mechanical spectrometer and brabender torque rheometer
Author(s) -
Willard Paul E.
Publication year - 1974
Publication title -
polymer engineering and science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.503
H-Index - 111
eISSN - 1548-2634
pISSN - 0032-3888
DOI - 10.1002/pen.760140405
Subject(s) - rheometer , materials science , torque , spectrometer , molding (decorative) , composite material , viscosity , rheology , optics , thermodynamics , physics
Two series of glass‐reinforced diallyl phthalate molding compounds from two different manufacturers were evaluated using a Rheometrics, Inc. Mechanical Spectrometer and a Brabender Torque Rheometer. Comparison of reactivity and minimum viscosity as measured by these two instruments is presented. The Mechanical Spectrometer appears capable of differentiating smaller changes in melt viscosity than does the Brabender Torque Rheometer.