Citation:
FENG Li, LIAO Li-Yong, LIU Jiong-Tian, WU Jian-Jun, ZHANG Li, MA Yu-Miao. Assembling of Nano-Sb2O3 onto Mica Surface and Its Flame Retardant Properties[J]. Chinese Journal of Applied Chemistry,
;2005, 22(9): 962-966.
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The Sb2O3 nanoparticles prepared with SbCl3 via alcoholysis,hydrolysis and processing with the surfactants,were assembled onto mica substrates.The crystal phase,morphology and the assembling behavior of nano-Sb2O3 on mica were analyzed by means of XRD,TEM and SEM.The flame retardant properties and mechanisms of nano-Sb2O3 and nano-Sb2O3/mica complex were studied by combustion test and thermal analysis.The results show that the Sb2O3 nanoparticles prepared by this method are cubic crystal,which can be assembled uniformly onto the mica substrate.The nano-Sb2O3 particles are characteristic of small size,narrow size distribution,uniform crystal and monodispersed particles can be obtained.Compared with micron-Sb2O3,the nano-Sb2O3 shows more excellent flame retardant properties.The mass loss of nano-Sb2O3/mica complex is 13.5% higher than that of nano-Sb2O3.Compared with nano-Sb2O3,the plateau range of the mass loss temperature of nano-Sb2O3 coordinated with chlorinated paraffin is decreased by about 300℃,the mass loss is increased by about 63.2% and the Absorption peak area increases appreciably.Nano-Sb2O3/mica complexes show the same coordinating effect as chlorinated paraffin and possess excellent flame retardant properties.
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Keywords:
- Sb2O3,
- nanoparticle,
- mica,
- flame retardant,
- chlorinated paraffin
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