Chemical functionalization for improving dispersion and interfacial bonding of halloysite nanotubes in epoxy nanocomposites-Reference-Cited by-同舟云学术

Chemical functionalization for improving dispersion and interfacial bonding of halloysite nanotubes in epoxy nanocomposites

Published:2014-03-27 Issue:7 Volume:26 Page:734-743
ISSN:0954-0083
Container-title:High Performance Polymers
language:en
Short-container-title:High Performance Polymers

Author:

Zhang Junheng¹²,Jia Zhixin²,Jia Demin²,Zhang Daohong¹,Zhang Aiqing¹

Affiliation:

1. Key Laboratory of Catalysis and Materials Science of the State Ethnic Affairs Commission and Ministry of Education, South Central University for Nationalities, Wuhan, China

2. College of Materials Science and Engineering, South China University of Technology, Guangzhou, China

Abstract

The effects of chemical functionalization of halloysite nanotubes (HNTs) on dispersion, interfacial interaction, and mechanical properties of epoxy nanocomposites were investigated. HNT-filled epoxy nanocomposites were fabricated and their morphology and mechanical properties were systematically studied; the results were compared with those for neat epoxy resin. Transmission electron microscopic micrographs revealed uniform morphologic dispersion of functional HNTs in the epoxy matrix. The interfacial interaction between functional HNTs and the epoxy matrix was shown by differential scanning calorimetry and scanning electron microscopy analyses. The reaction between the functional amine--terminated groups of HNTs and epoxy monomers improved the dispersion of HNTs and the interfacial adhesion between HNTs and epoxies. The functional HNT-filled epoxy nanocomposites showed improved mechanical properties compared with the as-received HNT-filled nanocomposites. This was attributed to better dispersion and stronger interfacial interaction.

Publisher

SAGE Publications

Subject

Materials Chemistry,Organic Chemistry,Polymers and Plastics

Link

http://journals.sagepub.com/doi/pdf/10.1177/0954008314528226

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