Abstract
The structural parameters in the Arrhenius equation of zero-shear viscosity for various equilibrium polymer melts were compared with those obtained from the non-Newtonian viscosity for non-equilibrium flowing glasses of the same polymers. The comparison led us to the conclusion that the linear equation between the structural parameters (which is called compensation effect) for zero-shear melt viscosity holds also for the non-Newtonian flow in glassy polymers. The shear rate dependence of viscosity in polymer liquids was calculated using the extended linear equation of the structural parameters. Based on the calculation we suggest that the shear thinning behavior at higher shear rates is also possible due solely to the structural change independent of the disentanglement or scission of polymer chains.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
