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Elastic material used in the fabrics of a summer cycling attire comprising a jersey, bib shorts and gloves. 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 ]
Latex allergy is a medical term encompassing a range of allergic reactions to the proteins present in natural rubber latex. [ 1 ] It generally develops after repeated exposure to products containing natural rubber latex. When latex-containing medical devices or supplies come in contact with mucous membranes, the membranes may absorb latex proteins.
US patent 3023192 does not describe or claim spandex, a polyether-polyurea copolymer. Despite many sources citing it and DuPont's Joseph Shivers being the inventor, US3023192 does not claim a polyether-polyurea copolymer which spandex is a type of. US3023192 claims a polyether polyester block copolymer as exemplified by DuPont's' HYTREL.
In its native state, neoprene is a very pliable rubber-like material with insulating properties similar to rubber or other solid plastics. Neoprene foam is used in many applications and is produced in either closed-cell or open-cell form. The closed-cell form is waterproof, less compressible and more expensive.
Rubber is a natural polymer of isoprene (polyisoprene), and an elastomer (a stretchy polymer). Polymers are simply chains of molecules that can be linked together. Rubber is one of the few naturally occurring polymers and prized for its high stretch ratio, resilience, and water-proof properties.
Latex fetishism includes wearing clothing made from latex, observing it worn by others, and enjoyment of erotic fantasies featuring latex garments, catsuits, hoods, divers or industrial protective clothing. A common latex fetish icon is the dominatrix wearing a skin-tight glossy black latex or PVC catsuit.
Polyester is a category of polymers that contain one or two ester linkages in every repeat unit of their main chain. [1] As a specific material, it most commonly refers to a type called polyethylene terephthalate (PET). Polyesters include naturally occurring chemicals, such as in plants and insects, as well as synthetics such as polybutyrate.
LaTeX (/ ˈ l ɑː t ɛ k / ⓘ LAH-tek or / ˈ l eɪ t ɛ k / LAY-tek, [2] [Note 1] often stylized as L a T e X) is a software system for typesetting documents. [3] LaTeX markup describes the content and layout of the document, as opposed to the formatted text found in WYSIWYG word processors like Google Docs, LibreOffice Writer and Microsoft Word.