Journal of Applied Polymer Science · 2009 · 41 citations · 15 references
Natural SciencesMaterials EngineeringMaterials SciencePolymer ChemistryPolymer EngineeringPolymer MaterialsComposite MaterialsNanocompositesPolymer CharacterizationPolymer NanocompositesPolymeric NanomaterialsThermogravimetric AnalysisComposite Mechanical PropertiesFire-retardant PolymersFlame RetardancyFlame RetardantsIn Situ PolymerizationMechanical Property TestingNanoparticlesThermal Properties
Abstract This article focuses on an improved method, i.e., improved in situ polymerization of ε‐caprolactam in the presence of melamine derivatives to prepare flame‐retardant melamine cyanurate/polyamide 6 (MCA/PA6) nanocomposites. The chemical structures of these synthetic flame retardant composites are characterized by Fourier‐transform infrared spectroscopy and X‐ray diffraction. Morphologies, mechanical properties, and thermal properties also are investigated by the use of transmission electron microscopy, mechanical testing apparatus, differential scanning calorimetry, and thermogravimetric analysis, respectively. Through transmission electron microscopy photographs, it can be found that the in situ ‐formed MCA nanoparticles with diametric size of less than 50 nm are nanoscaled, highly uniformly dispersed in the PA6 matrix. These nanocomposites, which have good mechanical properties, can reach UL‐94 V‐0 rating at 1.6‐mm thickness even at a relatively low MCA loading level. © 2009 Wiley Periodicals, Inc. J Appl Polym Sci, 2009
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Anna Bielejewska, Christopher E. Marjo, Leonard J. Prins et al. · Journal of the American Chemical Society · 2001 · 155 citations