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Morphological, thermal and rheological properties of the blends polypropylene/nylon-6, polypropylene/nylon-6/(maleic anhydride-g-polypropylene) and (maleic anhydride-g-polypropylene)/nylon-6

✍ Scribed by Sang Jin Park; Byung Kyu Kim; Han Mo Jeong

Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
689 KB
Volume
26
Category
Article
ISSN
0014-3057

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✦ Synopsis

A~traet--Melt blends of polypropylene(PP)/nylon-6, PP/nylon-6/(maleic anhydride-g-polypropylene-(MAH-g-PP)) and (MAH-g-PP)/nylon-6 have been prepared using a Brabender plasticoder. Measured properties included steady shear viscosities from a capillary rheometer, thermal properties from DSC, and morphologies from SEM. The viscosity-composition curve, measured at low rate of shear, indicated negative deviation from the simple additive rule for PP/nylon-6 blends, positive deviation for PP/nylon-6/ MAH-g-PP blends and positive and negative deviations for MAH-g-PP/nylon-6 blends. The results have been interpreted in terms of morphological texture of the blends and chemical reactions between the constituent polymers.

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