Preparation of B~(AP) Composite Particles and Their Effects on Rheological Properties of HTPB/B/AP Slurries

摘要

Composite particles (B~(AP)) of boron (B) coated with ammonium per chlorate (AP) were prepared by recrystallization and their structures were characterized using Fourier transform infrared (FTIR), X-ray photoelectron spectroscopy (XPS), and laser particle size analyses. The results indicated that AP was well coated on the boron surface. The effects of different contents of B~(AP) coated with different amounts of AP on the rheological properties of HTPB/B/AP composite slurries were also studied. The results show that addition of B distinctly decreased the slurries' viscosities and improved their processing properties, which were more obvious when 9.73% AP was coated on the surface of boron and the amount of B~(AP) was 20%.