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Priority claimed from JP09098094Aexternal-prioritypatent/JP3573487B2/en
Priority claimed from JP6249759Aexternal-prioritypatent/JPH08112312A/en
Application filed by Kao CorpfiledCriticalKao Corp
Application grantedgrantedCritical
Publication of TW258653BpublicationCriticalpatent/TW258653B/en
A disposable diaper comprising a liquid permeable topsheet; a liquid impermeable back sheet; an absorbent member interposed therebetween; a fastening tape for securing the diaper; and a release tape to which, when the fastening tape is not in service and is folded back, an adhesive surface of the fastening tape is to be adhered, is characterized in that: a tensile load of the back sheet at 3% elongation in the transverse direction of the diaper falls within the range of 100 to 300 g/cm, and a bulk softness of the back sheet is 55 g or less; a peel strength required to peel the fastening tape from the back sheet at 180 is 400 g/cm or less, and a time required until the fastening tape and the back sheet are peeled from each other under a load of 500 g is 10 minutes or longer; and an outer surface of the back sheet is not provided with a target tape.