Incorporation of silver/carbon nanoparticles into poly(methyl methacrylate) via in situ miniemulsion polymerization and its influence on the glass-transition temperature

Erika I. López-Martínez, Alfredo Márquez-Lucero, Claudia A. Hernández-Escobar, Sergio G. Flores-Gallardo, Rigoberto Ibarra-Gómez, Miguel J. Yacamán, E. Armando Zaragoza-Contreras

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

Silver/carbon nanoparticles (9 nm) were incorporated, as reinforcements, into a matrix of poly(methyl methacrylate) via in situ miniemulsion polymerization. It was found by differential scanning calorimetry that the glass-transition temperature of the poly(methyl methacrylate) showed an improvement of 14°C with only 0.5 wt % nanoparticles in comparison with a pure poly(methyl methacrylate) control, which was also obtained by miniemulsion polymerization under the same conditions. This increase was related to a polymer chain mobility restriction due to a combination of bound plastic and joint plastic shell effects at the interphase and the surrounding regions.

Original languageEnglish (US)
Pages (from-to)511-518
Number of pages8
JournalJournal of Polymer Science, Part B: Polymer Physics
Volume45
Issue number5
DOIs
StatePublished - Mar 1 2007
Externally publishedYes

Keywords

  • Carbon nanoparticles
  • Colloids
  • Emulsion polymerization
  • Glass transition
  • Miniemulsion polymerization
  • Nanocomposites
  • Nanoparticles

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Polymers and Plastics
  • Materials Chemistry

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