Spunbonded Nonwoven Fabric And Sanitary Material

Abstract: This spunbonded nonwoven fabric has fused parts and non-fused parts. The fused parts form parts recessed in one surface (A) toward another surface (B). The ratio (Da/Db) of the average single-fiber diameter (Da) of the fibers constituting the one surface (A) to the average single-fiber diameter (Db) of the fibers constituting the other surface (B) is 1.1 or greater. The spunbonded nonwoven fabric satisfies the conditions stated herein. (1) The diameters of the minimum inscribed circles of the non-fused parts are 1.0 mm or less; (2) the diameters of the maximum inscribed circles of the non-fused parts are 2.0 mm or greater; (3) the fused parts are disposed continuously in a row configuration; (4) the ratio (Tm/T) of the thickness (Tm) of the spunbonded nonwoven fabric at the fused parts to the thickness (T) of the spunbonded nonwoven fabric is 0.30 or less; and (5) the degrees of deformation of the fused parts are 1.1 or greater. Provided is a spunbonded nonwoven fabric that has sufficient absorbency and dryness to maintain comfort within a member using a sanitary nonwoven fabric, and has an excellent quick-drying property.

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