1. By: Brianna Flores MEEN 3344
Kevlar
By: Brianna Flores
MEEN 3344

2. 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.

3. 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.

4. Properties Low thermal shrinkage Lightweight Flexible Comfortable
Low electrical conductivity
High toughness
High cut-resistance
High chemical resistance
Flame resistance

5. Uses Bulletproof vest Sports equipment Automotive parts Tires
Fiber-Optic and Electromechanical Cables
Industrial and Marine Utility Ropes
Fire resistant mattress material

6. References