Flame retardancy and mechanical properties of polyamide 6 with melamine polyphosphate and ionic liquid surfactant-treated montmorillonite

Ri Chao Zhang, Soon Man Hong, Chong Min Koo

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

The mechanical properties and inflammability of polyamide 6 (PA6) nanocomposites incorporated with Montmorillonite organoclay (MMT) modified with thermal stable ionic liquid surfactants were investigated. The compatibility between ionic liquid-treated MMT and PA6 matrix was improved and the intercalation morphology was achieved, which resulted in the increaseof tensile modulus. However, the addition of organo-MMTs alone did not improve the inflammability of the PA6 nanocomposite, because of strong melt-dripping behavior of PA6 matrix. Addition of auxiliary melamine polyphosphate (MPP) intumescent flame retardant to the nanocomposite prevented the melt dripping and enhanced inflammability performance. The enhanced inflammability of PA6/organoclay/MPP nanocomposites was attributed to the synergistic effect between imidazolium or phosphonium organo-MMTs and intumescent flame retardant MPP. © 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2014, 131, 40648.

Original languageEnglish
Article number40648
JournalJournal of Applied Polymer Science
Volume131
Issue number16
DOIs
Publication statusPublished - 2014 Aug 15
Externally publishedYes

Keywords

  • composites
  • flame retardance
  • polyamides

ASJC Scopus subject areas

  • Chemistry(all)
  • Surfaces, Coatings and Films
  • Polymers and Plastics
  • Materials Chemistry

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