| abstract |
(57) [Summary] [Purpose] To provide an excellent patch base fabric and patch, which have good stretchability and elastic recovery property, and show little decrease in drug efficacy even after long-term storage and use. [Structure] Polyethylene terephthalate-based polyester or polybutylene terephthalate-based polyester obtained by copolymerizing a compound having a norbornane skeleton, and polyester are eccentrically bonded to each other to form a spiral crimp. A base fabric for a patch and a patch using the same. |