| abstract |
The mask pack sheet of the present invention comprises a hard segment comprising a polybutylene terephthalate (PBT) component; And a soft segment comprising at least one of a hydrophilic polyol component and a hydrophobic polyol component, wherein the hard segment comprises 20 to 80 wt%, the soft segment comprises 80 to 20 wt%, and the curcumin derivative And a thermoplastic elastomeric nonwoven fabric comprising thermoplastic elastomeric fibers. . |