Abstract
This chapter discusses the utilization of polybenzoxazine/urethane alloys with fine-tuning properties for ballistic impact composite application. The ballistic impact study of KevlarTM fiber-reinforced polybenzoxazine alloys under the test weapon with standard 124 grains round lead projectile and a copper outer coating (Full Metal Jacket) typically used in the 9-mm handgun at an impact velocity of 426–431 m/s is reported. The polybenzoxazine/urethane alloy matrices at various urethane prepolymer contents were prepared to evaluate the effect of different urethane contents on the thermal, mechanical as well as ballistic resistant properties. Experimental results reveal a synergy in glass transition temperature and some mechanical properties of the alloys at the composition range of 10–30 % by weight of urethane fraction the thus provide a fascinating group of high temperature polymers with improved flexibility and enhanced a ballistic resistant characteristic.
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Rimdusit, S., Jubsilp, C., Tiptipakorn, S. (2013). Polybenzoxazine Composites for Ballistic Impact Applications. In: Alloys and Composites of Polybenzoxazines. Engineering Materials. Springer, Singapore. https://doi.org/10.1007/978-981-4451-76-5_6
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DOI: https://doi.org/10.1007/978-981-4451-76-5_6
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