What is KEVLAR? How is KEVLAR made? Why is KEVLAR so strong?

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Have you ever wondered what makes Kevlar one of the strongest materials in the world? In this video, we'll dive deep into the world of engineering to find out what Kevlar is, how it's made, and what makes it such a strong material compared to steel! Used in bulletproof vests, body armor, tires, and even vehicle and aircraft components, DuPont's Kevlar® is an extremely strong condensation polymer that can withstand high temperatures and violent impacts.
But what makes Kevlar so strong? The answer lies in its unique molecular structure. Its molecules form a network of parallel bonds that bind tightly into fibers, creating a tensile strength that surpasses even that of steel wires. Discover how this molecular structure and the wet spinning process transform poly-para-phenylene terephthalamide into one of the most incredible materials available today.
We also talk about the origins of Kevlar: it was discovered by Stephanie Kwolek in the 1960s and was initially created to replace steel in vehicle tires. Today, its use goes much further, being essential in areas that require high durability and resistance, such as security and construction.
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Watch until the end and find out where Kevlar is used, what its advantages and limitations are, and how it compares to other high-resistance materials, such as Nomex. Don't miss the opportunity to delve deeper into this revolutionary material and understand its application in modern life!
Did you like the content? Subscribe to the channel, leave your like and activate the bell for more content about engineering! And tell us in the comments: have you ever seen a Kevlar vest up close? Let's explore this incredible technology and much more together. Until the next video, Engineering Lovers!
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