▎ 摘　　要

NOVELTY - Preparing bulletproof polyurea elastomer coating comprises (i) mixing amino compound, nano-ballistic reinforcing agent and nano-ballistic modifier, stirring and drying to obtain mixture C, where the amino compound comprises diethylenetriamine, triethylenetetramine, 3-aminopropyltriethoxysilane, polydopamine, polyallylamine hydrochloride and/or chitosan, and the nano-ballistic modifier comprises graphene oxide powder, nano-alumina powder and/or nano-silver powder; (ii) mixing diisocyanate, catalyst and plasticizer, placing in a tube furnace and heating to obtain component A; (iii) mixing amino-terminated polyether, liquid amine chain extender, plasticizer, catalyst, ultraviolet light absorber, defoamer, and mixture C and stirring to obtain component B; and (iv) respectively taking component A and component B and spraying. USE - The method is useful for preparing bulletproof polyurea elastomer coating. ADVANTAGE - The coating has excellent bulletproof performance.