MODERN RHEOLOGICAL TECHNIQUES FOR POLYMER ANALYSIS: CAPILLARY RHEOMETER, SCREW RHEOMETER AND MELT STRENTH TESTER

Document Type

Conference Proceeding

Publication Date

1-1-2020

Abstract

As a result of measuring the shear viscosity on a capillary rheometer and the screw rheometer, a viscosity function corresponding to 6 decades of shear rate of 0.1 to 10,000 [1/s] was obtained. We have identified a new method for identifying crossover point with a single temperature measurement without performing complex 'Time-Temperature-Superposition'. Also shear viscosity and melt strength functions were compared for eight LDPE grades. It was found that the melt strength showed a completely different behavior for similar melt index materials.

Identifier

85124576175 (Scopus)

ISBN

[9781713821182]

Publication Title

Annual Technical Conference ANTEC Conference Proceedings

First Page

711

Last Page

714

Volume

2

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