| 摘要 |
PROBLEM TO BE SOLVED: To attain both a sufficient strength while wearing and easiness in peeling while suppressing adhesion of fiber wastes of an unwoven fabric of a dot pattern occurring in a sealing device.SOLUTION: There is provided an underpants type disposable diaper in which: a side seal part 13 is formed with a dot pattern having plural lines of dot-like adhesive parts 13s and 13b, which are arranged in a lengthwise direction at a distance, arrayed in a sideways direction, and having non-adhesive parts 13n disposed entirely in the sideways direction on both sides in the lengthwise direction of each of the adhesive parts 13s and 13b; at least part in the lengthwise direction of the side seal part 13 is formed as a coarse adhesive region LD, and at least part in the lengthwise direction thereof is formed as a close adhesive region HD; the area of each of the adhesive parts 13b in the close adhesive region HD is larger than the area of each of the adhesive parts 13s in the coarse adhesive region LD; and the coarse adhesive region LD is formed in a polypropylene region in which only an unwoven fabric made of polypropylene or a copolymer thereof is layered. |
