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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0462621 (2014-08-19) |
등록번호 | US-10130527 (2018-11-20) |
우선권정보 | EP-13185212 (2013-09-19); EP-14168157 (2014-05-13) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 0 인용 특허 : 721 |
An absorbent core (28), for use in an absorbent article, comprising a core wrap (16, 16′) enclosing an absorbent material (60) comprising superabsorbent polymer particles. The core wrap comprises a top side (16) and a bottom side (16′), and the absorbent core comprises one or more area(s) (26) subst
An absorbent core (28), for use in an absorbent article, comprising a core wrap (16, 16′) enclosing an absorbent material (60) comprising superabsorbent polymer particles. The core wrap comprises a top side (16) and a bottom side (16′), and the absorbent core comprises one or more area(s) (26) substantially free of absorbent material through which the top side of the core wrap is attached to the bottom side of the core wrap, so that when the absorbent material swells the core wrap forms one or more channel(s) (26′) along the area(s) (26) substantially free of absorbent material. The superabsorbent polymer particles have a time to reach an uptake of 20 g/g (T20) of less than 240 s as measured according to the K(t) test method.
1. An absorbent article for personal hygiene comprising: a liquid permeable topsheet;a liquid impermeable backsheet;an absorbent core disposed between the topsheet and the backsheet; andan acquisition/distribution layer disposed between the absorbent core and the topsheet;wherein the absorbent core
1. An absorbent article for personal hygiene comprising: a liquid permeable topsheet;a liquid impermeable backsheet;an absorbent core disposed between the topsheet and the backsheet; andan acquisition/distribution layer disposed between the absorbent core and the topsheet;wherein the absorbent core comprises: a core wrap enclosing an absorbent material comprising a combination of superabsorbent polymer particles and airfelt, the core wrap comprising a top side and a bottom side;one or more areas substantially free of absorbent material through which the top side of the core wrap is attached to the bottom side of the core wrap, so that when the absorbent material swells the core wrap forms one or more channels along the areas substantially free of absorbent material;wherein the superabsorbent polymer particles have a time to reach an uptake of 20 g/g (T20) of less than 240 s, as measured according to the K(t) test method; andwherein ditches are formed via deformation of the acquisition/distribution layer into the one or more channels. 2. The absorbent article of claim 1 wherein the superabsorbent polymer particles have a time to reach an uptake of 20 g/g (T20) of from about 40 s to less than about 240 s. 3. The absorbent article of claim 1 wherein the superabsorbent polymer particles comprise agglomerated superabsorbent polymer particles. 4. The absorbent article of claim 1 wherein the absorbent material comprises at least about 70%, of superabsorbent polymer particles by weight of the absorbent material, and wherein the absorbent core comprises from about 2 g to about 50 g of superabsorbent polymer particles. 5. The absorbent article of claim 1 wherein the absorbent core comprises from about 5 g to about 40 g of superabsorbent polymer particles. 6. The absorbent article of claim 1 wherein the absorbent core comprises at least a pair of areas substantially free of absorbent material. 7. The absorbent article of claim 1 comprising an auxiliary glue between the absorbent material and the top side and/or the bottom side of the core wrap. 8. The absorbent article of claim 1 wherein the absorbent core has a caliper measured at the core's crotch point (C′) of from about 0.2 to about 4 mm. 9. The absorbent article of claim 1 wherein the superabsorbent polymer particles have an UPM value of from about 40.10−7 cm3·s/g to about 500.10−7 cm3·s/g and/or the superabsorbent polymer particles have a CRC value of from about 18 g/g to about 40 g/g.
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