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Keywords:

  • polyamides;
  • stabilization;
  • thermal properties

Abstract

The synergistic thermal stabilization effect of polyamide (PA) and melamine (MA) on polyoxymethylene (POM) was studied by isothermal weight loss analysis and nonisothermal thermogravimetric analysis, which showed that the complex stabilizer PA/MA was more efficient than the single-use formaldehyde absorbents MA or PA in improving the thermal stability of POM. The nonisothermal degradation kinetics study further demonstrated the synergistic thermal stabilization effect of PA/MA on POM. The mechanical property investigation showed that the addition of a proper amount of PA or the proper reduction of MA content improved the impact strength of POM. © 2005 Wiley Periodicals, Inc. J Appl Polym Sci 97: 2387–2391, 2005