| 摘要 |
PURPOSE: Provided are a perforated film laminated with a non-woven fabric which has the opening ratio of more than 23% and is supplied at a low price owing to the low processing cost and a preparation method thereof. CONSTITUTION: In a plastic perforated film for a sanitary napkin and a disposable diaper, the perforated film laminated with a non-woven fabric comprises a plastic film(55) having the first perforated openings; and a non-woven fabric(56) laminated with the plastic film and having the second perforated openings. The sum total opening ratio of the first and second openings is 23 to 40 %. The preparation method of the perforated film comprises the steps of: first perforating a plastic film in an opening ratio of 10 to 22%; and second perforating the plastic film in an opening ratio of 10 to 22% while laminating the plastic film with a non-woven fabric.
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