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2020, vol. 68, br. 3, str. 4-9
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Laserski tretman Kynol vlakana visokih performansi - primer alternativnog alata za bojenje i oslikavanje na površinama vlakana visokih performansi
Laser treatment of high-performance Kynol fibers: An example as alternative tool for coloration and imaging on surfaces of high-performance fibers
Ključne reči: Novolac smola; Kynol vlakna; laserska završna obrada; CO2-Laser; bojenje
Sažetak
Novolac smole se koriste za pripremanje vlakna za usporavanje plamena visokih performansi, koja se takođe isporučuju pod robnom markom Kynol vlakna. U okviru ovog istraživanja, Kynol vlakna su tretirana laserskim zracima kako bi se unela tamna boja na određene delove tekstilne površine. Time je omogućeno ispisivanje i oslikavanje na tekstilnoj površini. U istraživanju su primenjena dva tipa materijala sa Kynol vlaknima - filc od netkanih vlakana i tkani materijal. Nalazi se da laserski tretman srednjeg intenziteta može dovesti do promene u tamnu boju sa dobrom otpornošću na trljanje. Ispisivanje slova i simbola na tkanini je moguće. Međutim, tretmani sa jakim laserskim intenzitetom dovode do značajnih oštećenja vlakana i niske otpornosti na trljanje. Ipak, predstavljeni metod predstavlja obećavajući alat za nanošenje slika na tkanine od vlakana za uspoavanje plamena visokih performansi, koja je teško bojiti konvencionalnim tehnikama bojenja i štampe.
Abstract
Novolac resins are used to prepare high-performance flame-retardant fibers, which are also supplied under the brand name Kynol fibers. In the current study, Kynol fiber materials are treated with a laser beam to introduce dark coloration at distinct areas on the textile surface. By this, imaging and writing on the textile surface is possible. For investigation, two different types of Kynol fiber materials are used - a non-woven fiber felt and a woven fabric. It is shown that a laser treatment of medium intensity can introduce a change to dark coloration with good rubbing fastness. The writing of letters and symbols onto fabrics is possible. However, treatments with strong laser intensity lead to significant fiber damages and low rubbing fastness. Nevertheless, the presented method is a promising tool to apply images onto flame retardant fabrics from high performance fibers, which are difficult to dye using conventional techniques of dyeing and printing.
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Reference
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