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Microfiber : ウィキペディア英語版
Microfiber

Microfiber or microfibre is synthetic fiber finer than one denier or decitex/thread.〔Textile Terms and Definitions, 11th Edition, published by the Textile Institute〕 This is smaller than the diameter of a strand of silk (which is approximately one denier), which is itself about 1/5 the diameter of a human hair. The most common types of microfibers are made from polyesters, polyamides (e.g., nylon, Kevlar, Nomex, trogamide), or a conjugation of polyester, polyamide, and polypropylene (Prolen). Microfiber is used to make mats, knits, and weaves for apparel, upholstery, industrial filters, and cleaning products. The shape, size, and combinations of synthetic fibers are selected for specific characteristics, including softness, toughness, absorption, water repellency, electrostatics, and filtering capabilities.
==History==
Production of ultra-fine fibers (finer than 0.7 denier) dates back to the late 1950s, using melt-blown spinning and flash spinning techniques. However, only fine staples of random length could be manufactured and very few applications could be found.〔Nakajima T, Kajiwara K, McIntyre J E, 1994. (''Advanced Fiber Spinning Technology'' ). Woodhead Publishing, pp. 187–188〕 Experiments to produce ultra-fine fibers of a continuous filament type were made subsequently, the most promising of which were run in Japan during the 1960s by Dr. Miyoshi Okamoto, a scientist at Toray Industries.〔Kanigel, Robert, 2007. ( ''Faux Real: Genuine Leather and 200 Years of Inspired Fakes'' ). Joseph Henry Press, pp. 186–192〕 Okamoto's discoveries, together with those of Dr. Toyohiko Hikota, resulted in many industrial applications. Among these was Ultrasuede, one of the first successful synthetic microfibers, which found its way onto the market in the 1970s. Microfiber's use in the textile industry then expanded.〔(''What is microfiber?'' )〕 Microfibers were first publicized in the early 1990s in Sweden and saw success as a product in Europe over the course of the decade.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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