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Spandex, Lycra, or elastane is a synthetic fiber known for its exceptional elasticity. It is a polyether - polyurea copolymer that was invented in 1958 by chemist Joseph Shivers at DuPont . [ 1 ] [ 2 ] [ 3 ]
Joseph Clois Shivers Jr. (November 29, 1920 – September 1, 2014) was an American textile chemist who was based in West Chester, Pennsylvania, best known for his role in the structural development of Spandex, a thermoplastic elastomer, in the 1950s, while employed at DuPont. [1] Shivers was born in 1920 in Marlton, New Jersey.
Polyurea and polyurethane are copolymers used in the manufacture of spandex, which was invented in 1959.. Polyurea was originally developed in automotive applications in the 1980s [2] [3] but other applications such as protecting tabletop edges followed. [4]
A lycra jacket. Stretch fabric is a synthetic fabric that stretches. Stretch fabrics are either 2-way stretch or 4-way stretch. 2-way stretch fabrics stretch in one direction, usually from selvedge to selvedge (but can be in other directions depending on the knit). 4-way stretch fabrics, such as spandex, stretches in both directions, crosswise and lengthwise. [1]
Fibers invented between 1930 and 1970 include nylon, PTFE, polyester, Spandex, and Kevlar. Clothing producers soon adopted synthetic fibers, often using blends of different fibers for optimized properties. [100] Synthetic fibers can be knit and woven similarly to natural fibers. Synthetic fibers are made by humans through chemical synthesis as ...
A bellyband, wrap, or abdominal binder is a compression garment which resembles a tubetop but worn over the abdomen of expectant mothers. [2] Bellybands are also commonly worn post-childbirth to help provide abdominal and back support thereby making it easier to perform day to day tasks, and to help mothers with their posture.
1928 – International Bureau of Standardization of Man Made Fibers founded. [24] 1939 – US passes Wool Products Labeling Act, requiring truthful labeling of wool products according to origin. [25] 1940 – Spectrophotometer invented, with impact on commercial textile dye processes. 1942 – First patent for fabric singeing awarded in US. [26]
Panties are made of a variety of materials, including cotton, lace, latex, leather, lycra, mesh, nylon, PVC, polyester, rawhide, satin, and silk. Construction typically consists of two pieces (front and rear) that are joined by seams at the crotch and sides; an additional gusset is often in the crotch, with the waistband and leg-openings made ...