Composition dependence of rheological properties of polymer blends

A semi-empirical rheological equation of state was developed to described temperature, shear rate and composition dependence of the steady-state shear viscosity of poly( l-lactic acid)(PLA)/poly(ε-caprolactone)(PCL) systems. The composition dependent rheological equation of state proposed here has a...

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Bibliographic Details
Published in:Polymer (Guilford) 1998-03, Vol.39 (5), p.1113-1117
Main Authors: Han, Seung, Moon, Tak Jin, Bae, Young Chan, Yi, Seungjong, Lee, Sang Hwan
Format: Article
Language:English
Subjects:
Applied sciences
composition dependence
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
poly( l-lactic acid)
Properties and characterization
rheological equation of state
Rheology and viscoelasticity
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Summary:A semi-empirical rheological equation of state was developed to described temperature, shear rate and composition dependence of the steady-state shear viscosity of poly( l-lactic acid)(PLA)/poly(ε-caprolactone)(PCL) systems. The composition dependent rheological equation of state proposed here has a very simple algebraic form with a few adjustable parameters. Its simplicity is a great advantage for practical application and it appears to be suitable for describing the rheological behaviour of PLA/PCL blends.
ISSN:0032-3861
1873-2291
DOI:10.1016/S0032-3861(97)00327-3