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Rheological analysis of raw elastomers with the multispeed mooney shearing disk viscometer
Author(s) -
White James L.,
Tokita Noboru
Publication year - 1965
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.1965.070090525
Subject(s) - viscometer , elastomer , shearing (physics) , viscoelasticity , materials science , rheology , composite material , natural rubber , shear rate , shear stress , polymer science , viscosity
Mooney's shearing disk viscometer is one of the most important analytical research and process control instruments for elastomers. In this paper a new method is developed for computing the shear stress and shear rate of materials from data obtained on this instrument. In addition, the non‐linear viscoelastic behavior of elastomers in the viscometer is analyzed with special emphasis upon normal stress effects. Experimental data for natural rubber, SBR, and polyisobutylene are discussed.