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Spandex, commonly called elastane outside North America, is a synthetic fiber composed primarily of segmented polyurethane. Developed for commercial use by DuPont chemist Joseph Shivers in the late 1950s, it can stretch several times beyond its original length and recover much of its shape. Because...
Nylon is a family of synthetic polymers called polyamides, commonly formed into fibres, films, and moulded components. Wallace Carothers and his team at DuPont developed the first commercially successful nylon, which was introduced in 1938 and used for toothbrush bristles before becoming closely ass...
Modacrylic is a modified acrylic synthetic fiber containing 35–85% acrylonitrile, distinguished by its inherent flame resistance, making it standard for protective and theatrical wigs.
Acrylic fiber is a synthetic polymer fiber introduced by DuPont in 1944 under the brand Orlon, widely used as a wool substitute for its warmth, lightness, and resistance to moths.
