초록 ▼

An absorbent article, the absorbent article being a personal hygiene article, includes a liquid permeable top sheet, a liquid impermeable back sheet, an absorbent core enclosed between the top sheet and the back sheet, and a fluid flow control member arranged between the top sheet and the backsheet.

An absorbent article, the absorbent article being a personal hygiene article, includes a liquid permeable top sheet, a liquid impermeable back sheet, an absorbent core enclosed between the top sheet and the back sheet, and a fluid flow control member arranged between the top sheet and the backsheet. The fluid flow control member is a spacer fabric including a top layer, a bottom layer and an interconnecting layer of pile filaments between the top layer and the bottom layer. The spacer fabric has a ratio of thickness to basis weight at 15 kPa of at least 1.5·10−5 m/gsm, as measured according to the Mecano-method disclosed herein.

대표청구항 ▼

1. An absorbent article, the absorbent article being a disposable personal hygiene article, comprising a liquid permeable topsheet, a liquid impermeable back sheet, an absorbent core enclosed between the topsheet and the back sheet, and a fluid flow control member arranged between the topsheet and t

1. An absorbent article, the absorbent article being a disposable personal hygiene article, comprising a liquid permeable topsheet, a liquid impermeable back sheet, an absorbent core enclosed between the topsheet and the back sheet, and a fluid flow control member arranged between the topsheet and the backsheet, wherein said fluid flow control member is a spacer fabric located between the topsheet and the absorbent core and comprising a top layer, a bottom layer and an interconnecting layer of pile filaments between the top layer and the bottom layer, the spacer fabric having a ratio of thickness to basis weight at 15 kPa of at least 1.5·10−5 m/gsm, as measured according to the Mecano-method disclosed herein. 2. The absorbent article according to claim 1, wherein the ratio of thickness to basis weight at 15 kPa is less than 2.5·10−5 m/gsm as measured according to the Mecano-method disclosed herein. 3. The absorbent article according to claim 1, wherein the pile filaments have a fineness of 80-130 dtex. 4. The absorbent article according to claim 1, wherein a density of pile filament connections is 50-150/cm2. 5. The absorbent article according to claim 1, wherein said spacer fabric has a basis weight of 150-300 gsm. 6. The absorbent article according to claim 1, wherein said spacer fabric has a thickness of 3-6 mm at 1 kPa as measured according to ISO 5084. 7. The absorbent article according to claim 1, wherein openings in the top layer of the spacer fabric have a longitudinal dimension of 3.0-4.5 mm and a transverse dimension of 1.5-3 mm. 8. The absorbent article according to claim 1, wherein the top layer of the spacer fabric has 3-8 openings per cm2. 9. The absorbent article according to claim 1, wherein the bottom layer of the spacer fabric has 50-150 openings per cm2. 10. The absorbent article according to claim 1, wherein the spacer fabric has 5-15 courses/cm in a production direction of the fabric and 6-12 wales/cm in a cross direction of the fabric. 11. The absorbent article according to claim 1, wherein the spacer fabric in a production direction has an elongation of less than 25% at 10 N, as measured according to the Edana test method WSP 110.4(05) Breaking Force and Elongation NW. 12. The absorbent article according to claim 1, wherein the absorbent core comprises a first absorbent core layer and a second absorbent core layer, and wherein said spacer fabric is located between said first and second absorbent core layers. 13. The absorbent article of claim 12, wherein said first absorbent core layer is arranged between the topsheet and the second absorbent core layer, said first absorbent core layer has an opening extending through the first absorbent core layer. 14. The absorbent article according to claim 1, wherein the absorbent core comprises superabsorbent polymers. 15. The absorbent article according to claim 1, wherein the ratio of thickness to basis weight at 15 kPa is less than 2.0·10−5 m/gsm as measured according to the Mecano-method disclosed herein. 16. The absorbent article according to claim 1, wherein the pile filaments have a fineness of 90-120 dtex. 17. The absorbent article according to claim 1, wherein the density of pile filament connections is 70-100/cm2. 18. The absorbent article according to claim 1, wherein the top layer of the spacer fabric has 4-6 openings per cm2. 19. The absorbent article according to claim 1, wherein the spacer fabric has: (i) a basis weight of 150-250 gsm, (ii) a thickness of 3.5-5 mm at 1 kPa as measured according to ISO 5084, (iii) 8-12 courses/cm in a production direction of the fabric or 7-10 wales/cm in a cross direction of the fabric, or (iv) an elongation in a production direction of less than 15% at 5 N, as measured according to the Edana test method WSP 110.4(05) Breaking Force and Elongation NW. 20. The absorbent article according to claim 1, wherein the fluid flow control member overlaps the absorbent core. 21. The absorbent article according to claim 1, wherein the fluid flow control member is enclosed by the topsheet and the backsheet so that the fluid flow control member is not exposed to outside of the absorbent article.