Dr. Iuliana DUMITRESCU, Chem. Cornelia- Elena MITRAN, Drd. Elena PERDUM, Dr. Ovidiu-George IORDACHE, Eng. Dana STEFANESCU, Dr. Iulian MANCASI, Dr. Robert-Mihai JIGORANU
Rezumat
Dincolo de efectele benefice asupra sanatatii umane, expunerea prelungita la radiaţiile ultraviolete afecteaza grav sanatatea umana, putand conduce la arsuri solare, imbatrânirea prematura a pielii, alergii si cancer de piele. Imbracamintea, judicios selectata, constituie o prima bariera contra acestor efecte nedorite. In acest studiu, este evaluat efectul parametrilor fizici si al coloranţilor asupra tricoturilor din bumbac pentru a optimiza si selecta materialele care asigura un factor de protectie ridicat contra radiatiilor ultra-violete (UPF). Pe baza experimentelor efectuate, s-a constatat ca, o protectie excelenta contra radiatiilor UV o ofera tricoturile cu masa de aproximativ 200g/m2 , grosime de 0,8 – 0,9mm, vopsite in nuante intense (rosu, kaki, bleumarin si negru).
Cuvinte cheie: UPFtricot bumbacradiatii UVcoloranti
Abstract
Beyond the beneficial effects on human health, prolonged exposure to ultraviolet radiation seriously affect the human health leading to sunburn, premature skin ageing, allergies and skin cancer. The clothing, judiciously selected, is the first barrier to these unwanted effects. In this study, the effect of physical parameters and of dyes on cotton knit is evaluated in order to optimize and select the fabric providing a high ultraviolet protection factor (UPF). Based on the experiments performed, it has been found that excellent protection against UV radiation offers knitted fabrics with a mass of about 200g /m2, thickness of 0.8 - 0.9mm, dyed in intense shades (red, khaki, navy and black).
Keywords: UPFcotton knitUV raysdyes
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