Directional Moisture Transport Self-pumping Textile with Day-light Bacterial Inhibition
Multi-functional textiles with directional moisture management and antibacterial capabilities have the po-tential to enhance wearer comfort.Existing methods usually physically dip the antibacterial agents onto the surface of hydrophilic textile,which can play a short-term antibacterial effect,but will lead to a large number of burst release of antibacterial agents,cause skin discomfort,and quickly weaken the antibacterial ability.In this study,a photosensi-tizer-doped self-pumping textile was prepared by electrospinning for directional sweat removal and antibacterial.Spe-cifically,the self-pumping fabric consists of a hydrophobic polyvinylidene-hexafluoropropylene fiber and a hydrophil-ic alkali hydrolyzed cellulose acetate(CA)fiber.Besides,the polythiophene photosensitizer with high reactive oxy-gen species production capacity was doped into hydrophilic fiber enabling daylight antibacterial activity.In the con-tact angle conductance liquid transport model,we confirmed that the liquid transport time increases with the thick-ness of the hydrophobic,and when the electrospinning time for the hydrophobic layer was 60 s,water could permeate through it to hydrophilic layer in a unidirectional manner within 10 s.Furthermore,antibacterial experiments demonstrated that over 95%of S.aureus and E.coli were eradicated within 10 minutes under xenon lamp irradiation simulating natural light power(25 mW/cm2).This work presented a novel approach for designing functional fabrics.