A pants-type disposable diaper comprising: a pants-shaped outer member having a front part, a back part, and a crotch part positioned between the front part and the back part, and having a waist opening and a pair of leg openings formed by joining the front part and the back part and an absorbent main body disposed on an inner surface of the pants-shaped outer member at the crotch part, and comprising a top sheet, a back sheet, and an absorbent core disposed between the top sheet and the back sheet wherein the pants-shaped outer member comprises an inner sheet and an outer sheet, and the inner sheet and the outer sheet are made of a spunbonded nonwoven fabric produced by melting a polymer composition containing polyolefin and/or polyester and a surfactant. According to the pants-type disposable diaper on the above, the pants-shaped outer member is excellent in water resistance and softness.一種內褲型可拋棄式尿片,包括:一內褲形狀外件,具有一前部、一後部以及一胯部,該胯部位於該前部與該後部之間,並具有一腰部開口以及一對腿部開口,由該前部及該後部連結而形成;以及一吸收本體,設於該內褲形狀外件在該胯部的一內表面,並包括一上片、一下片以及一吸收核心,該吸收核心設於該上片及該下片之間,其中該內褲形狀外件包括一內片以及一外片,該內片與外片由紡黏不織布製成,該紡黏不織布藉由熔融了包含聚烯烴及/或聚酯與一界面活性劑的聚合物組成。根據上述的內褲型可拋棄式尿片,該內褲形狀外件具有優良的防水性及柔軟度。1...內褲型可拋棄式尿片2...內褲型外件3...腰部開口4...腿部開口5...第一片7...端持片8...吸收本體14...體彈性件17...腰部開口邊緣18...腰彈性件22...腿部開口邊緣23、24...腿彈性件P...前部Q...後部R...胯部
