Size-dependent reinforcement of composite rubbers

M.R.B. Mermet-Guyennet*, J. Gianfelice De Castro, H.S. Varol, M. Habibi, B. Hosseinkhani, N. Martzel, R. Sprik, M.M. Denn, A. Zaccone, S.H. Parekh, D. Bonn

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

26 Citations (Scopus)

Abstract

Abstract Particulate fillers are often used to enhance the properties of soft materials; polymer composites often contain nanometer-sized particles to improve reinforcement, for example. The rationale for using nanometer-sized particles remains unclear, however, and classical micromechanical models cannot account for a scale dependent reinforcement. The systems studied here reveal that the reinforcement increases with decreasing filler size. A new relation is proposed, based only on the particle size, volume fraction, and relative moduli of filler and matrix, that describes the experimental results for reinforcement of both filled rubbers and a model system.

Original languageEnglish
Pages (from-to)170-173
JournalPolymer
Volume73
DOIs
Publication statusPublished - 2 Sep 2015
Externally publishedYes

Keywords

  • Composite materials
  • Filler-size dependence
  • Reinforcement

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