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Influence of chemical and mechanical compatibilization on structure and properties of polyethylene/polyamide blends

✍ Scribed by B. Jurkowski; K. Kelar; D. Ciesielska

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
473 KB
Volume
69
Category
Article
ISSN
0021-8995

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✦ Synopsis

LDPE/PA6 binary blends and LDPE/PA6/compatibilizer ternary blends were prepared in a Brabender extruder, equipped with a prototype static mixer. Compatibility of the components was estimated by rheological properties (viscosity and a melt flow index), and observations of the structure were made with the help of scanning electron microscopy and tensile strength. It was found that the blends' structure and properties are dependent on the recipe content of the polymer blends and the conditions of their manufacturing. Uniformity of the blends of the thermodynamically immiscible polymers was improved by using a prototype static mixer giving mechanical compatibilization and a compatibilizer giving chemical compatibilization. LDPE grafted with a maleic anhydride (LDPE-g-MAH) was used as a compatibilizer.

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