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Nylon 46 (nylon 4-6, nylon 4/6 or nylon 4,6, PA46, Polyamide 46) is a high heat resistant polyamide or nylon. Envalior (formerly DSM) is the only commercial supplier of this resin, which markets under the trade name Stanyl. [1][2] Nylon 46 is an aliphatic polyamide formed by the polycondensation of two monomers, one containing 4 carbon atoms, 1 ...
Nylon is a family of synthetic polymers with amide backbones, ... [46] Although pure nylon has many flaws and is now rarely used, its derivatives have greatly ...
The glass–liquid transition, or glass transition, is the gradual and reversible transition in amorphous materials (or in amorphous regions within semicrystalline materials) from a hard and relatively brittle "glassy" state into a viscous or rubbery state as the temperature is increased. [2] An amorphous solid that exhibits a glass transition ...
Thread (yarn) A thread is a long strand of material, often composed of several filaments or fibres, used for joining, creating or decorating textiles. Ancient Egyptians were known for creating thread using plant fibers, wool and hair. [1] Today, thread can also be made of many different materials including but not limited to cotton, wool, flax ...
Nylon (typically 610 or 612) string, [9] traditionally used for classical music, has a more mellow tone, and the responsiveness of it can be enjoyed typically for folk but other styles of music use it as well (for example, Willie Nelson performs on a nylon strung guitar). Nylon strings are made of a softer, less dense material and are under ...
DuPont made public in 1938 that their company had invented nylon. [1] This new invention was the first synthetic fiber, fabrics that are commonly used in textiles today. [2] In 1939, DuPont began marketing nylon monofilament fishing lines; however, braided Dacron lines remained the most used and popular fishing line for the next two decades, as early monofilament line was very stiff or "wiry ...
University of Illinois. Known for. Invention of neoprene and nylon. Scientific career. Fields. Organic chemistry. Doctoral advisor. Roger Adams. Wallace Hume Carothers (/ kəˈrʌðərz /; April 27, 1896 – April 29, 1937) was an American chemist, inventor, and the leader of organic chemistry at DuPont, who was credited with the invention of ...
Fully fashioned stockings are made from sections of nylon fabric that are knitted flat from the top down in the shape of a profile view of a leg. These are then sewn together in the back forming the seam. The top is folded and sewn back on itself forming the welt and the shadow welt, with a finishing loop applied, forming the keyhole, to allow ...