P.Mederic, M. Moan, M.-H. Klopffer, Y. Saint-Gerard
Talc filled thermoplastic composites: Melt rheological properties
Appl. Rheol. 13:6 (2003) 297-304Abstract: The effects of composition and resulting morphology on the rheology of thermoplastics filled with different talc platelets were studied in the 0-22% range of volume fraction, F. The sufficiently filled polymer composites exhibit a rheological behavior which significantly differs from the pure polymers used in this work, a linear low density polyethylene, a low density polyethylene and a polyamide 12. The changes in the rheological behavior are influenced by the size, the concentration and the surface treatment of plate-like talc particles. They also depend on the chemical nature and viscous and elastic characteristics of the polymer matrix. In particular, the effect of platelet orientation on the viscoelastic properties of reinforced composites was pointed out. For sufficiently filled systems, a low frequency response indicative of a pseudo solid-like behavior is obtained only during the first frequency sweep. In fact, the low frequency storage modulus, G., is constant. With repeated frequency sweeps, more platelets were aligned in the flow direction, thus the low frequency storage modulus gradually decreases. © 2003 Applied Rheology.
-- full text PDF
available for subscribers --
-- open access PDF extractavailable for non-subscribers --
You have no password-free access to Applied Rheology Online. If you are a subscriber, enter login details below. For password-free access, we need your IP address. Sample manuscripts for free download can be found here ►
Forgotten your login details? Send an email with subject "AR login" to login@appliedrheology.org
Purchase this article for 20 € ? ►
Appl Rheol 13 (2003) issues:
© Applied Rheology 2018