Posted May 22nd, 2015
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Category Archives: Uncategorized

Lycra/Spandex/Elastane

[caption id="attachment_1499" align="aligncenter" width="167"] Spandex Fibre[/caption] Lycra/Spandex/Elastane Lycra, Spandex and Elastane are all names for the same fiber. First developed by DuPont, Lycra is a polyurethane fiber. The two prepolymers, one long and flexible and the other short and stiff, link to form a folded or twisted fiber which can be stretched up to five times its length. When tension is released, the fiber springs back to its original length. Diagrams of Spandex...

Coil-in-Coil Technology

[caption id="attachment_807" align="aligncenter" width="950"] Stearns & Foster's Intellicoil[/caption] Coil-in-Coil Technology [caption id="attachment_806" align="aligncenter" width="123"] Serta's Duet Coil[/caption]   Pocket coils were invented at the end of the 19th Century (1800's) by James Marshall, who began manufacturing them about 1900. Since then, individually wrapped pocket coils have been adopted by most of the major manufacturers of innerspring...

Rayon (Viscose)

Rayon (Viscose) A sample of rayon from a skirt, photographed with a macro lens. from Wikipedia The oldest man-made fiber is rayon. It is formed of dissolved cellulose extracted from wood. Although almost any woody plant can supply the wood, some of the more common sources were conifers such as spruce, hemlock and pine. That was when most rayon was produced in North America and Europe. Now that the largest producer of rayon is in India, woods from that part of the world are commonly used,...

Linen

What is linen? Linen is one of the oldest plant fibers used by humans for clothing and bedding.  Our word “linen” comes from linon, the Greek word for flax.  It is made from fibers in the inner bark of flax stalks.  These fibers are separated from the flax by a process called “retting.” In this process, micro-organisms or caustic agents eat away the softer parts.  When the retted flax is crushed and washed, the fibers alone are left. The cross-section of linen fibers is...


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