Answers: In 1930, Wallace Hume Carothers, Julian Hill, and other researchers for the DuPont Company studied chains of molecules called polymers, contained by an attempt to find a substitute for silk.
DuPont touted its new fiber as man "as strong as steel, as fine as a spider’s web," and first announced and demonstrated nylon and nylon stockings to the American public at the 1939 New York World’s Fair. To be exact, on October 27, 1938, Charles Stine, vice president of E. I. du Pont de Nemours, Inc., announced that nylon have been invented.
Nylon is entirely man-made (synthetic) fiber.
Pulling a heated rod from a beaker containing carbon-and alcohol-based molecules, they found the mixture stretched and, at room heat, had a silky texture. This work culminated contained by the production of nylon marking the germ of a new era within synthetic fibers.
Nylon is completely synthetic. Wikipedia has a great article.
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