Fairy tales consist of a fantasy world filled with elves, witches and glowing fairies that emit light. Now, researchers have given us an opportunity to sparkle like fairies by wearing illuminating apparels. Researchers from the Manchester University of U.K have developed a new kind of yarn that will glow in the dark. It has light absorbing, storing and emitting abilities. One can light up room by just walking in.
Glow yarn is developed by mixing extruding polyester chips with photo luminescent pigments. It consists of an inner conductive core yarn coated with an electroluminescent ink that emits light in the dark. This is encapsulated inside a transparent insulation with holes in it. The whole substance is wrapped by a layer of yarn. Power from a battery is applied, and flows through the yarn and ink, creating an electric field, causing the fabric to glow. When the yarn gets power from the inverter, the resultant electric field between the inner and outer conductor causes the electroluminescent coating to emit light. This substance infused in the fibre allows it to glow for hours once charged. The center part of the filament is separated which facilitates contact between the inner and the outer conductive core yarn, thereby making the yarn to emit light uniformly.
Basic color of this yarn is off-white and glows fluorescent green in the dark. They are available in various other colors as well, pink emits a white glow, light green gives a shocking green effect, purple has a light blue effect etc. This fibre is non-toxic and harmless. It can be machine washed and dried. It has high luminosity, resistance towards weather conditions, and can withstand water and chemical treatments. It possesses deodorization activity, bacterial resistance, and emissive of far-infrared rays. Glow yarns can be used creatively in many applications. It can be used for making head bands, shoe lace, strings and straps, add glowing stars in a blanket, or add scary ghosts for a pretty Halloween costume. This will make safe clothes for cyclists, joggers, and pedestrians at night. Until now, the clothes cyclists and pedestrians wear depends highly on external light. They absorb and emit light immediately. But on an unlit and dark road, it will be difficult to locate them. This fabric can be continuously seen even in the dark.
Latest inventions and technologies play an integral part in the textile industry. The glow yarn is another example for the innovativeness of textile researchers. This would be a fascinating addition to a seamstresss box.
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