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By: Brianna Flores MEEN 3344
Kevlar By: Brianna Flores MEEN 3344
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What is Kevlar? Manmade organic fibers were created in 1965 by two research scientist, Stephanie Kwolek and Herbert Blades from DuPont. Has 5 times the strength-to-weight ratio of Steel.
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Structure Crystalline polymers
Consists of long molecular chains from five to a million mers bonded together Each segment is a chemical unit that contains 14 carbon atoms, 2 nitrogen atoms, 2 oxygen atoms and 10 hydrogen atoms.
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Properties Low thermal shrinkage Lightweight Flexible Comfortable
Low electrical conductivity High toughness High cut-resistance High chemical resistance Flame resistance
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Uses Bulletproof vest Sports equipment Automotive parts Tires
Fiber-Optic and Electromechanical Cables Industrial and Marine Utility Ropes Fire resistant mattress material
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References
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