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Kevlar
Part 1 of Paper
....position that is its own, which distinguishes it from other man-made fibers. is a combination of high strength, high modulus (resistance to extension), toughness and thermal stability. has a wide range of uses.
In the 1960s nylon and polyester opened the door for man-made fibers. They were cutting edge fibers in t.... Part 2 of Paper
....y was used when Du Pont released aramid fiber in 1971.
What is it?
Kevlar is an aramid, a term invented as an abbreviation for aromatic polyamide. The chemical composition of Kevlar is poly para-phenyleneterephthalamide, and it is more properly known as a para-aramid. Aramids belong to the family of nylons. Common nylons, such as nylon 6, do not have very good structural properties, so the para-aramid distinction is important. The aramid ring gives Kevlar thermal stability, while the para stru.... |
| Number of words: 936 - Approximate pages: 4 |
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