WebLycra is the brand name of the polyurethane or spandex fibre made by Du-pont. It is basically a grafted polymeric fibre and the speciality of the fibre is the very high extensibility (up-to 400%). Moreover, the fibre is much more costly than other fibres. Hence, garments made of 100% lycra is not very popular. Instead, a certain percentage (say ... 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's Benger Laboratory in Waynesboro, Virginia, US. The generic name "spandex", which is an anagram of the word "expands", is the preferred name in North America. In continental Europe, it is referred to by vari…
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WebLycra, also known as spandex or elastane, is a registered fabric made of polyurethane-based manufactured fiber. It was introduced in 1958 by the DuPont Company as a replacement for latex, a stretchy rubber-like material used in clothes. Many are interested in knowing what is Lycra as a material because it is widely used by many clothing companies. Web12 dec. 2014 · Du Pont used the brand name Lycra and began full scale manufacture in 1962. They are currently the world leader in the production of spandex fibers. Molecular Structure: Spandex is a polymer; its macromolecular structure is made up of repeating units (mars) denoted by the x and n next to the parentheses in the structure. the sandpiper filey
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WebIn some way, ribbed structures are like trees where the branches conduct forces instead of sap; they operate as branches and trunks descending by fractal ways. Here we discuss reciprocal tree-like fractal structures and the difficulty in … WebTips on how to install a shade structure. This is a bolt-down shade structure with a shade cloth canopy.Information On SolarMax Shade Structures With a rang... WebThese structures can be expanded easily for a wide area which has an attractive look. Lycra is a fabric membrane tensile that is most popularly used in tensile fabric … the sandpiper full movie free