Thermal properties of high density polyethylene composites with natural fibres: Coupling agent effect

Author(s)

Araujo, J. R. ^[1] ; Waldman, W. R. ^[2] ; De Paoli, M. A. ^[1]

Affiliation

^[1] Univ Estadual Campinas, Inst Quim, BR-13084970 Campinas, SP - Brazil

^[2] Univ Estadual Norte Fluminense, Lab Ciencias Quim CCT, BR-28013602 Rio De Janeiro, RJ - Brazil

• Document type: Journal article
• Source: Polymer Degradation and Stability; v. 93, n. 10, p. 1770-1775, OCT 2008.
• Web of Science Citations: 172

Abstract

High density polyethylene composites with curaua fibres Were prepared using an intermeshing co-rotating extruder and two different coupling agents. The thermal stability of the components was studied by thermogravimetric and differential scanning analysis, as well as by the oxidation induction time. Maleic anhydride grafted polyethylene, used as coupling agent, affected the composite stability more markedly than did poly(ethylene-co-vinyl acetate). However, oxidation induction times were analogous for composites with and without coupling agents. Results also indicated that a higher fibre-matrix interaction precludes the crystallinity enhancement caused by the fibre. (C) 2008 Elsevier Ltd. All rights reserved. (AU)

• FAPESP's process: 04/15084-6 - Polymeric materials of low environmental impact
• Grantee: Marco-Aurelio de Paoli
• Support Opportunities: Research Projects - Thematic Grants