Glass fibers with clay nanocomposite coating: Improved barrier resistance in alkaline environment

Ming Yang Liu, Hong Gang Zhu, Naveed A. Siddiqui, Christopher K.Y. Leung, Jang Kyo Kim

Research output: Contribution to journalArticlepeer-review

30 Scopus citations

Abstract

Coatings made from neat vinyl ester and nanoclay reinforced vinyl ester composites are applied onto individual glass fibers as well as rovings to evaluate their barrier resistance against alkali and moisture attack. The fibers coated with clay nanocomposites present a significantly less damage caused by the diffusing alkali ions, giving rise to a much higher residual tensile strength after aging than the fibers without coating or those with a neat polymer coating. The static fatigue test performed on individual fibers verifies the advantage of using nanoclay composite to retard the corrosion process under the combined stress and alkaline environment. Similar beneficial effects of incorporating nanoclay on residual strength are identified for impregnated fiber bundles. The above observations confirm the excellent barrier characteristics of intercalated/exfoliated nanoclay in polymer that are applied in composite structures on both the microscopic and macroscopic scales.

Original languageBritish English
Pages (from-to)2051-2059
Number of pages9
JournalComposites Part A: Applied Science and Manufacturing
Volume42
Issue number12
DOIs
StatePublished - Dec 2011

Keywords

  • A. Glass fiber
  • A. Particle-reinforcement
  • B. Corrosion
  • B. Environmental degradation

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