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   IMPREGNATION DYEING OF COTTON/POLYESTER SPUN YARN MIXTURE WITH PHOTOLUMINESCENT PIGMENTS  
   
نویسنده BRAČKO Sabina ,RIJAVEC Tatjana ,BIZJAK Grega ,GORENŠEK Marija
منبع journal of textile and apparel - 2011 - دوره : 21 - شماره : 1 - صفحه:58 -64
چکیده    The research focuses on the technologically plain and inexpensive procedure of impregnation dyeing of spun yarn with photoluminescent pigment speciallux tpll-9e yellow-green (special chem, italy). the pigment concentration was 50 and 150 g of pigment per kilogram of yarn and two binding agents were used, i.e. elastil transparent fg (minerva, italy) and padding binder fm/n (minerva, italy), as well as a mixture of both. the impregnated coating was conducted on yarns with linear density nm 125/1 and nm 20/1, where the mixture ratio of cotton/polyester was 50/50 and 67/33. the luminance measurements were made on the unwashed, once washed and five times washed yarns. in some cases, a high luminance level of yarns up to 500 mcd/m2 was measured, which decreased only slightly after one wash, and after five washes, it dropped to 230 mcd/m2. in accordance with the expectations, the luminescence decreased exponentially with time; however, the yarns could still be noticed in the darkness even after 12 hours.
کلیدواژه Photoluminescent pigments ,Phosphorescent pigments ,Photoluminescent yarn ,Photoluminescence ,Decorative smart textiles ,Luminance
آدرس University of Ljubljana, Faculty of Natural Sciences and Engineering, Slovenia, University of Ljubljana, Faculty of Natural Sciences and Engineering, Slovenia, University of Ljubljana, Faculty of Electrical Engineering, Slovenia, University of Ljubljana, Faculty of Natural Sciences and Engineering, Slovenia
 
     
   
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