NDLI: Rheological properties of polyethylene/metaboric acid thermoplastic blends

Content Provider	Springer Nature Link
Author	Ilyin, Sergei O. Malkin, Alexander Y. Kulichikhin, Valery G. Shaulov, Alexander Yu. Steg, Elena V. Berlin, Alexander A. Patlazhan, Stanislav A.
Copyright Year	2014
Abstract	The rheological properties of molten low-density polyethylene/metaboric acid blends were studied. It was found that the blend behavior can be rather different, depending on volume fraction of the inorganic component. Specifically, at some concentration of metaboric acid, the dynamic moduli and the Newtonian viscosity of the blends demonstrate a jump-like change. The concentration threshold depends on temperature and equals to 21.9 and 14.1 vol %, at 150 and 180 ∘C, respectively. In the concentration range below the threshold, the gain in the content of inorganic component results in an enhancement of the blend dynamic moduli and viscosity, without changing the general character of the rheological behavior of composition in the region of linear response. On the other hand, at higher concentrations of metaboric acid, the yield stress is observed, and the elastic modulus in the linear region of mechanical behavior becomes virtually independent of frequency. It was suggested that the rheological behavior of blends is related to a spontaneous change in their structure as well as planar molecular structure of the inorganic component.
Starting Page	467
Ending Page	475
Page Count	9
File Format	PDF
ISSN	00354511
Journal	Rheologica Acta
Volume Number	53
Issue Number	5-6
e-ISSN	14351528
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-05-13
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Polymer blend Viscoelasticity Shear viscosity Yielding Percolation Characterization and Evaluation of Materials Polymer Sciences Soft and Granular Matter, Complex Fluids and Microfluidics Mechanical Engineering Food Science
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Condensed Matter Physics Materials Science

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