Flame retardancy and mechanical properties of ferrum ammonium phosphate–halloysite/epoxy polymer nanocomposites

摘要: To recycle the nitrogen (N) and phosphorus (P) from wastewater, ferrum ammonium phosphate (FAP)–halloysite nanotubes (HNTs) were synthesized with simulated wastewater containing N, P, Fe pollutants as raw materials. The adsorption–chemical precipitation in situ method was used to synthesize target products, optimal conditions for synthesis of FAP–HNTs obtained. Fourier transform Infrared (FTIR) spectroscopy, energy-dispersive spectroscopy (EDS), scanning electron microscopy, transmission thermogravimetric analysis conducted characterize samples. FAP particle size 20–30 nm FAP–HNTs. FTIR spectra demonstrated that a small amount water promoted curing reaction. Exolit OP 1230 (OP) introduced into epoxy (EP) prepare polymer nanocomposites. heat release rate (HRR) flammability EP composites tested by microscale combustion calorimetry UL-94 instruments. mechanical properties also tension testing system. results indicate flame retardancy improved FAP–HNT. addition FAP–HNT gave rise an evident reduction HRR prolonged burning time EP. EP/FAP–HNT/OP (20) (where 20 is loading weight percentage) passed UL 94 V-0 rating. char revealed synergy reducing polymers. We concluded these polymers show potential applications treatment N/P recycling. © 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 41681.