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Progress in Petrochemical Science

The Relation between the Componding Time and the Viscoelastic Behavior of Rubber Compound

Submission: May 11, 2018; Published: May 22, 2018

DOI: 10.31031/PPS.2018.02.000530

ISSN 2637-8035
Volume2 Issue1


The relation between mixing time and the viscoelastic properties of a Rubber polymeric compound was investigated through samplings in various mixing times and analyzing by a dynamic mechanical rheological tester and. The obtained results were compared with the torque variations during mixing time in the internal mixer. The changes in the shear elastic modulus (G’) at low strain amplitude were similar to the torque behavior in the internal mixer before and after Black Incorporation Time (BIT). The photographs at various steps of mixing were taken by Disperse Grader. It was found that the mixing characteristics can be predicted using G’ and the torque of mixing simultaneously. The changes in G’ and damping factor versus frequency were studied as well.

Keywords: Rubber; Compounding; Disperse grader; Shear elastic modulus; Damping factor

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