Characteristic properties of unmodified polypropylene fabrics dyed with pigment dyes in aqueous medium for medical uses

Evaluation of fiber and debris release from protective COVID-19 mask textiles and in vitro acute cytotoxicity effects

“…Copper was detected in elevated concentrations in dyed textiles in accordance with previous studies [8] , [23] . However, the suspected copper-containing dye was immobilized in the fibers [25] , [26] and therefore could only be removed with water to a very small extent (less than 1.2%).…”