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Polyamide-12/Functionalized Carbon Nanofiber Composites: Evaluation of Thermal and Mechanical Properties

✍ Scribed by Ricardo Chávez-Medellín; Luis A. Sanchez de Almeida Prado; Karl Schulte

Publisher: John Wiley and Sons
Year: 2010
Tongue: English
Weight: 706 KB
Volume: 295
Category: Article
ISSN: 1438-7492
DOI: 10.1002/mame.200900316

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

This work aims at improving the interfacial bonding between polyamide‐12 and CNFs. CNFs were oxidized and dispersed in polyamide‐12 giving rise to polymer nanocomposites. The oxidation caused an increase in the specific surface area and structural defects of the fibers, as indicated by surface area and Fourier‐transform Raman spectroscopy. The nanocomposites exhibited improved thermal and thermo‐oxidative stabilities. The oxidized nanofibers had marginal effect on the crystallinity and crystallization of the polyamide‐12. An over‐proportional enhancement of stiffness due to the fibers could be achieved. In spite of these improvements the fiber/polymer adhesion should be further improved.

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