フラボノイド系植物色素染色布の紫外線遮蔽性能

概要

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The aging of skin and pigmentation are caused by the ultraviolet radiation （UV）. It is important for UV protection of clothes to protection of human body. Materials, dyes and tissue textiles were the factors that affect UV protection of clothes. Among them, dyes were paid attention and vegetable dyes were used in this experiment. Plant pigment in a cell was an essential material of growth and sustaining life. And it was related with sun light. This study was examined about the dyeing with onionskin, red radish and purple sweet potato. The dyed cloths were examined for influence of dye species, dye concentration and fiber material on Ultraviolet Protection Factors （UPF）. Silk and cotton cloths were used for the dyeing. The cloth dyed with onionskin had high UV protection property. In near lightness value case, UPF of cotton cloth dyed by onionskin was high. UPF of the dyed cloth was affected by the interactions of the dye sorption, structure of cloths and the bond between mordant metal and pigment.
2011-12-00