초록 ▼

A sanitary, liquid-absorbing article has as surface material a non-woven fabric comprising two layers integrated by a binder, the first layer having a basis weight of 5 to 15 g/m2, the second layer having a basis weight of 20 to 45 g/m2, wherein when the non-woven fabric is in the wet state, E=KrFa;

A sanitary, liquid-absorbing article has as surface material a non-woven fabric comprising two layers integrated by a binder, the first layer having a basis weight of 5 to 15 g/m2, the second layer having a basis weight of 20 to 45 g/m2, wherein when the non-woven fabric is in the wet state, E=KrFa; rFO≤1.2×10-2 g/cm3; and K≥1.2×106 as defined in the following compression characteristic formula of the non-woven fabric: [Figure] wherein E is a Young\s modulus (g/cm2), P is a pressure (g/cm2), rF is an apparent specific weight (g/cm3) and rFO is a rF value when the pressure is 0 g/cm2.

대표청구항 ▼

In a water-absorbing article including a water-permeable surface sheet, a water-impermeable backing sheet, and a water-absorbing layer disposed between said surface sheet and said backing sheet in face-to-face contact with both of said sheets, the improvement which comprises: said surface sheet comp

In a water-absorbing article including a water-permeable surface sheet, a water-impermeable backing sheet, and a water-absorbing layer disposed between said surface sheet and said backing sheet in face-to-face contact with both of said sheets, the improvement which comprises: said surface sheet comprises a surface layer and an elastic compressible layer, both of said layers consisting essentially of a non-woven fabric, said layers being joined together in face-to-face contact with each other by heat-fusible binder fibers, wherein the basis weight of said surface layer is in the range of 5 to 15 g/m2, and the basis weight of said elastic compressible layer is in the range of 20 to 45 g/m2, said elastic compressible layer being in face-to-face contact with said water-absorbing layer of said water-absorbing article, and when said surface sheet is in a wet state, the values of rFO and K in the compression characteristic formula: [Figure] wherein P is the pressure exerted on said surface sheet in g/cm2, rF is the apparent specific weight of said surface sheet in g/cm3 not including the weight of water when said surface sheet is in a wet state, rFO is the rF value when the pressure exerted on said surface sheet is 0 g/cm2, and a and K are each a constant, are in the ranges of rFO≤1.2×10-2 g/cm3 and K≥1.2×106, under conditions wherein the relation E=KrFa is substantially established, wherein E is the Young\s modulus for said surface sheet in g/cm2.