Abstract
In this paper, the viscous behaviour of a model immiscible polymer blend has been investigated, using both rotational and capillary rheometry. The blend is composed of a Poly-isobutylene (PIB) and a Poly-dimethyilsiloxane (PDMS), both room temperature liquids. PIB is essentially Newtonian over a wide range of shear rates, with a viscosity strongly depending on temperature; PDMS is more viscoelastic and shear thinning. Viscosity measurements on the pure components and on blends of different compositions were performed at temperatures of 23°C and 9°C. In this paper, only results for two blend compositions at 23°C will be presented. The experimental data are compared with viscosity “mixing rules” available in the literature.
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© 1998 Springer-Verlag Berlin Heidelberg
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Grizzuti, N., Buonocore, G. (1998). The Morphology-Dependent Rheological Behaviour of an Immiscible Model Polymer Blend. In: Emri, I. (eds) Progress and Trends in Rheology V. Steinkopff, Heidelberg. https://doi.org/10.1007/978-3-642-51062-5_31
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DOI: https://doi.org/10.1007/978-3-642-51062-5_31
Publisher Name: Steinkopff, Heidelberg
Print ISBN: 978-3-642-51064-9
Online ISBN: 978-3-642-51062-5
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