Recovery and Flame Retardant Utilization of AlO(OH)from Hydrogen Production by Al/H2O Reaction
The study focuses on the recycling and reuse of solid by-products in addition to gaseous H2 in the hydrolysis products of activated aluminium alloys for hydrogen production.A home-made AlO(OH)flame retardant was melt-blended with polypropylene(PP)to produce AlO(OH)/PP composites.Their flame retardancy,thermal stability and crystallisation behaviour were investigated with a limiting oxygen index tester,a thermogravimetric analyzer and a differential scanning calorimeter.The results show that as the mass percentage of AlO(OH)increases from zero to 25％,the limiting oxygen index(LOI)and thermal stability increase and the dropping of molten drops is suppressed.The LOI of the composites at 25％AlO(OH)is improved by 29.2％compared to pure PP,and the peak crystallization temperature of the composites increase and the crystallinity decreases,suggesting that the home-made AlO(OH)performs well as a flame retardant.
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