Journal of Nanoparticle Research

, 15:1922 | Cite as

Polyacrylamide–metal nanocomposites: one-pot synthesis, antibacterial properties, and thermal stability

  • Cuiyan Li
  • Yanling Cai
  • Yihua Zhu
  • Mingguo Ma
  • Wei Zheng
  • Jiefang Zhu
Research Paper

Abstract

The incorporation of inorganic nanoparticles into polymers is a hot research spot, since it endows the nanocomposites with new or improved properties by exploiting synergistic effects. Here we report a facile one-pot synthesis of polyacrylamide (PAM)–metal (M = Au, Ag, or Pd) nanocomposites in ethylene glycol (EG). The simultaneous polymerization of the acylamide (AM) monomer and formation of metal nanoparticles lead to a homogeneous distribution of metal nanoparticles in the PAM matrix. The sizes of Au, Ag, and Pd nanoparticles are 55.50 ± 10.6, 14.15 ± 2.57, and 7.74 ± 1.82 nm, respectively. The reaction system only includes EG, AM monomer, and corresponding metal salt. EG acts as both the solvent and the reducing reagent. Also, no initiator for AM polymerization and no surfactant for stabilization of metal nanoparticles are used. Furthermore, this simple synthetic route does not rely on any special or expensive equipment, thus can be exploited to the synthesis of similar polymer–inorganic nanocomposites. Compared to PAM, the PAM–metal nanocomposites showed enhanced thermal stability and antibacterial properties.

Keywords

Nanocomposite One-pot synthesis PAM Noble metal Antibacterial properties Thermal stability 

Supplementary material

11051_2013_1922_MOESM1_ESM.doc (3.1 mb)
Supplementary materials available: Molecular weight of PAM prepared at different temperatures, TEM micrographs of PAM-Au prepared at 90 °C and 140 °C, TEM micrographs of PAM-Au prepared at 115 °C with different pre-polymerization time, t1 (t1 = 30, 60, and 90 min), and the antibacterial effect of naked silver nanoparticles and the mixture of PAM and Ag nanoparticles (3202 kb)

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Copyright information

© European Union 2013

Authors and Affiliations

  • Cuiyan Li
    • 1
    • 2
  • Yanling Cai
    • 3
  • Yihua Zhu
    • 2
  • Mingguo Ma
    • 4
  • Wei Zheng
    • 5
  • Jiefang Zhu
    • 1
  1. 1.Department of Chemistry – Ångström LaboratoryUppsala UniversityUppsalaSweden
  2. 2.Key Laboratory for Ultrafine Materials of Ministry of EducationEast China University of Science and TechnologyShanghaiPeople’s Republic of China
  3. 3.Division of Nanotechnology and Functional Materials, Ångström LaboratoryUppsala UniversityUppsalaSweden
  4. 4.Institute of Biomass Chemistry and Technology, College of Materials Science and TechnologyBeijing Forestry UniversityBeijingPeople’s Republic of China
  5. 5.Engineering and Technology DepartmentUniversity of Wisconsin-StoutMenomonieUSA

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