4.6 Article

Melt elasticity and flow activation energy of nylon 6/polystyrene blends

Journal

MATERIALS LETTERS
Volume 57, Issue 2, Pages 475-480

Publisher

ELSEVIER SCIENCE BV
DOI: 10.1016/S0167-577X(02)00815-7

Keywords

melt elasticity; activation energy; nylon; polystyrene; scanning electron microscopy

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Nylon 6 (PA 6) is blended with polystyrene (PS), so as to reduce the moisture absorption and hence to impart dimensional stability to the polymer. The melt elastic properties of the blends including die swell, principal normal stress difference and recoverable shear strain have been analysed. The temperature sensitivity of the flow behaviour of the blends is studied using Arrhenius plots. (C) 2002 Elsevier Science B.V. All rights reserved.

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