JP2014014666A5 - - Google Patents
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- JP2014014666A5 JP2014014666A5 JP2013121957A JP2013121957A JP2014014666A5 JP 2014014666 A5 JP2014014666 A5 JP 2014014666A5 JP 2013121957 A JP2013121957 A JP 2013121957A JP 2013121957 A JP2013121957 A JP 2013121957A JP 2014014666 A5 JP2014014666 A5 JP 2014014666A5
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- 230000002745 absorbent Effects 0.000 claims description 40
- 239000002250 absorbent Substances 0.000 claims description 40
- 229920000642 polymer Polymers 0.000 claims description 36
- 239000000835 fiber Substances 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 239000006096 absorbing agent Substances 0.000 claims description 18
- 210000003491 Skin Anatomy 0.000 claims description 6
- 239000000463 material Substances 0.000 claims 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims 2
- 210000003666 Nerve Fibers, Myelinated Anatomy 0.000 claims 1
- 239000007864 aqueous solution Substances 0.000 claims 1
- 230000000149 penetrating Effects 0.000 claims 1
- 239000011780 sodium chloride Substances 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 description 3
- 229920001002 functional polymer Polymers 0.000 description 1
Description
吸収体４Ａの有する第３領域４Ｔは、乾燥状態において、第２領域４Ｓよりも吸水性ポリマー及び親水性繊維それぞれの含有量が少なく、吸水性ポリマー４１と親水性繊維４２との重量比（吸水性ポリマーの重量／親水性繊維の重量）が０．５以下である領域である。吸収体４Ａにおける第３領域４Ｔの重量比（吸水性ポリマーの重量／親水性繊維の重量）は、０．０５以上、好ましくは０．１以上、より好ましくは０．１５以上、そして、０．５以下、好ましくは０．４以下、より好ましくは０．２以下、より具体的には、０．０５以上０．５以下であることが好ましく、０．１以上０．４以下であることがより好ましく、０．１５以上０．２以下であることが更に好ましい。第３領域４Ｔの吸水性ポリマー４１の重量（坪量）は、０ｇ／ｍ２以上、好ましくは５ｇ／ｍ２以上、より好ましくは１０ｇ／ｍ２以上、そして、５０ｇ／ｍ２以下、好ましくは４０ｇ／ｍ２以下、より好ましくは１５ｇ／ｍ２以下、より具体的には、０ｇ／ｍ２以上５０ｇ／ｍ２以下であることが好ましく、５ｇ／ｍ２以上４０ｇ／ｍ２以下であることがより好ましく、１０ｇ／ｍ２以上１５ｇ／ｍ２以下であることが更に好ましい。第３領域４Ｔの親水性繊維４２の重量（坪量）は、０ｇ／ｍ２以上、好ましくは１０ｇ／ｍ２以上、より好ましくは５０ｇ／ｍ２以上、そして、１５０ｇ／ｍ２以下、好ましくは１００ｇ／ｍ２以下、より好ましくは７０ｇ／ｍ２以下、より具体的には、０ｇ／ｍ２以上１５０ｇ／ｍ２以下であることが好ましく、１０ｇ／ｍ２以上１００ｇ／ｍ２以下であることがより好ましく、５０ｇ／ｍ２以上７０ｇ／ｍ２以下であることが更に好ましい。 The third region 4T of the absorbent body 4A has a smaller content of each of the water absorbent polymer and the hydrophilic fiber than the second region 4S in the dry state, and the weight ratio of the water absorbent polymer 41 and the hydrophilic fiber 42 (water absorption). The weight of the functional polymer / weight of the hydrophilic fiber) is 0.5 or less. The weight ratio of the third region 4T in the absorbent body 4A (weight of water-absorbing polymer / weight of hydrophilic fiber) is 0.05 or more, preferably 0.1 or more, more preferably 0.15 or more, and 5 or less, preferably 0.4 or less, more preferably 0.2 or less, more specifically 0.05 or more and 0.5 or less, and preferably 0.1 or more and 0.4 or less. More preferably, it is 0.15 or more and 0.2 or less. The weight (basis weight) of the water-absorbing polymer 41 in the third region 4T is 0 g / m 2 or more, preferably 5 g / m 2 or more, more preferably 10 g / m 2 or more, and 50 g / m 2 or less, preferably 40 g / m 2 or less, more preferably 15 g / m 2 or less, more specifically 0 g / m 2 or more and 50 g / m 2 or less, preferably 5 g / m 2 or more and 40 g / m 2 or less. Is more preferably 10 g / m 2 or more and 15 g / m 2 or less. The weight (basis weight) of the hydrophilic fibers 42 in the third region 4T is 0 g / m 2 or more, preferably 10 g / m 2 or more, more preferably 50 g / m 2 or more, and 150 g / m 2 or less, preferably 100 g / m 2 or less, more preferably 70 g / m 2 or less, more specifically 0 g / m 2 or more and 150 g / m 2 or less, and preferably 10 g / m 2 or more and 100 g / m 2 or less. it is more preferable, and further preferably 50 g / m 2 or more 70 g / m 2 or less.
＜１２＞
前記吸水性ポリマーは、ＤＷ法に従い測定された吸収速度が８ｍｌ／（ｇ・１分）以上１３ｍｌ／（ｇ・１分）以下である前記＜１＞〜＜１１＞の何れか１に記載の吸収体。
＜１３＞
前記第１領域の吸水性ポリマーの坪量に対する前記第２領域の吸水性ポリマーの坪量の比（第２領域／第１領域）は、好ましくは１．６倍以上、より好ましくは２．０倍以上、更に好ましくは２．１倍以上である＜１＞〜＜１２＞の何れか１に記載の吸収体。
＜１４＞
前記第１領域の吸水性ポリマーの坪量に対する前記第２領域の吸水性ポリマーの坪量の比（第２領域／第１領域）は、好ましくは２．５倍以下、より好ましくは２．３倍以下、更に好ましくは２．２５倍以下である＜１＞〜＜１３＞の何れか１に記載の吸収体。
＜１５＞
前記第１領域の吸水性ポリマーの坪量に対する前記第２領域の吸水性ポリマーの坪量の差（第２領域−第１領域）は、好ましくは４５ｇ／ｃｍ２以上、より好ましくは７０ｇ／ｃｍ２以上、更に好ましくは９０ｇ／ｃｍ２以上である＜１＞〜＜１４＞の何れか１に記載の吸収体。
＜１６＞
前記第１領域の吸水性ポリマーの坪量に対する前記第２領域の吸水性ポリマーの坪量の差（第２領域−第１領域）は、好ましくは１５０ｇ／ｃｍ２以下、より好ましくは１２０ｇ／ｃｍ２以下、更に好ましくは１００ｇ／ｃｍ２以下である＜１＞〜＜１５＞の何れか１に記載の吸収体。
＜１７＞
前記第３領域の吸水性ポリマーの坪量に対する前記第２領域の吸水性ポリマーの坪量の比（第２領域／第３領域）は、好ましくは１５倍以上、より好ましくは１７倍以上である＜１＞〜＜１６＞の何れか１に記載の吸収体。
＜１８＞
前記第３領域の吸水性ポリマーの坪量に対する前記第２領域の吸水性ポリマーの坪量の比（第２領域／第３領域）は、好ましくは２０倍以下、より好ましくは１９倍以下である＜１＞〜＜１７＞の何れか１に記載の吸収体。
＜１９＞
前記第３領域の吸水性ポリマーの坪量に対する前記第２領域の吸水性ポリマーの坪量の差（第２領域−第３領域）は、好ましくは１５０ｇ／ｃｍ２以上、より好ましくは１６０ｇ／ｃｍ２以上である＜１＞〜＜１８＞の何れか１に記載の吸収体。
＜２０＞
前記第３領域の吸水性ポリマーの坪量に対する前記第２領域の吸水性ポリマーの坪量の差（第２領域−第３領域）は、好ましくは２００ｇ／ｃｍ２以下、より好ましくは１８０ｇ／ｃｍ２以下である＜１＞〜＜１９＞の何れか１に記載の吸収体。
＜２１＞
前記第３領域の親水性繊維の坪量に対する前記第２領域の親水性繊維の坪量の比（第２領域／第３領域）は、好ましくは１．４倍以上である＜１＞〜＜２０＞の何れか１に記載の吸収体。
＜２２＞
前記第３領域の親水性繊維の坪量に対する前記第２領域の親水性繊維の坪量の比（第２領域／第３領域）は、好ましくは１．６倍以下である＜１＞〜＜２１＞の何れか１に記載の吸収体。
＜２３＞
前記第３領域の親水性繊維の坪量に対する前記第２領域の親水性繊維の坪量の差（第２領域−第３領域）は、好ましくは２５ｇ／ｃｍ２以上である＜１＞〜＜２２＞の何れか１に記載の吸収体。
＜２４＞
前記第３領域の親水性繊維の坪量に対する前記第２領域の親水性繊維の坪量の差（第２領域−第３領域）は、好ましくは３５ｇ／ｃｍ２以下である＜１＞〜＜２３＞の何れか１に記載の吸収体品。
＜２５＞
肌対向面側に配された表面シートと、非肌対向面側に配された裏面シートと、これら両シート間に配された、前記＜１＞〜＜２４＞の何れか１に記載の吸収体とを備えた吸収性物品。
＜２６＞
前記第２領域は、前記第１領域の肌対向面側に配されており、
前記凹部は、前記表面シート側から前記裏面シート側に凹んでいる前記＜２５＞に記載の吸収性物品。
＜２７＞
前記第２領域は、前記第１領域の非肌対向面側に配されており、
前記凹部は、前記裏面シート側から前記表面シート側に凹んでいる前記＜２５＞に記載の吸収性物品。
＜２８＞
前記吸収体と前記表面シートとの間に親水性の中間シートが配されている前記＜２５＞〜＜２７＞の何れか１に記載の吸収性物品。
＜２９＞
前記吸収体と前記裏面シートとの間に親水性の中間シートが配されている前記＜２５＞〜＜２８＞の何れか１に記載の吸収性物品。
＜３０＞
前記吸収体の前記凹部と前記中間シートとにより空間が形成されている＜２８＞又は＜２９＞に記載の吸収性物品。
<12>
The water-absorbing polymer according to any one of <1> to <11>, wherein the absorption rate measured according to the DW method is 8 ml / (g · 1 minute) to 13 ml / (g · 1 minute). Absorber.
<13>
The ratio of the basis weight of the water absorbent polymer in the second region to the basis weight of the water absorbent polymer in the first region (second region / first region) is preferably 1.6 times or more, more preferably 2.0. The absorber according to any one of <1> to <12>, which is twice or more, more preferably 2.1 times or more.
<14>
The ratio of the basis weight of the water absorbent polymer in the second region to the basis weight of the water absorbent polymer in the first region (second region / first region) is preferably 2.5 times or less, more preferably 2.3. The absorber according to any one of <1> to <13>, which is twice or less, more preferably 2.25 times or less.
<15>
The difference in the basis weight of the water absorbent polymer in the second region to the basis weight of the water absorbent polymer in the first region (second region-first region) is preferably 45 g / cm 2 or more, more preferably 70 g / cm. The absorber according to any one of <1> to <14>, which is 2 or more, more preferably 90 g / cm 2 or more.
<16>
The difference in the basis weight of the water absorbent polymer in the second region relative to the basis weight of the water absorbent polymer in the first region (second region-first region) is preferably 150 g / cm 2 or less, more preferably 120 g / cm 2. The absorber according to any one of <1> to <15>, which is 2 or less, more preferably 100 g / cm 2 or less.
<17>
The ratio of the basis weight of the water absorbent polymer in the second region to the basis weight of the water absorbent polymer in the third region (second region / third region) is preferably 15 times or more, more preferably 17 times or more. <1> -The absorber in any one of <16>.
<18>
The ratio of the basis weight of the water absorbent polymer in the second region to the basis weight of the water absorbent polymer in the third region (second region / third region) is preferably 20 times or less, more preferably 19 times or less. <1> -The absorber in any one of <17>.
<19>
The difference in the basis weight of the water-absorbing polymer in the second region with respect to the basis weight of the water-absorbing polymer in the third region (second region-third region) is preferably 150 g / cm 2 or more, more preferably 160 g / cm. The absorber according to any one of <1> to <18>, which is 2 or more.
<20>
The difference in the basis weight of the water-absorbing polymer in the second region to the basis weight of the water-absorbing polymer in the third region (second region-third region) is preferably 200 g / cm 2 or less, more preferably 180 g / cm. The absorber according to any one of <1> to <19>, which is 2 or less.
<21>
The ratio of the basis weight of the hydrophilic fibers in the second region to the basis weight of the hydrophilic fibers in the third region (second region / third region) is preferably 1.4 times or more <1> to <20> The absorber according to any one of 20>.
<22>
The ratio of the basis weight of the hydrophilic fibers in the second region to the basis weight of the hydrophilic fibers in the third region (second region / third region) is preferably 1.6 times or less <1> to <21> The absorber according to any one of 21>.
<23>
The difference in the basis weight of the hydrophilic fibers in the second region relative to the basis weight of the hydrophilic fibers in the third region (second region-third region) is preferably 25 g / cm 2 or more <1> to <1. 22>. The absorber according to any one of 22>.
<24>
The difference in the basis weight of the hydrophilic fibers in the second region with respect to the basis weight of the hydrophilic fibers in the third region (second region-third region) is preferably 35 g / cm 2 or less <1> to <1. The absorbent article according to any one of 23>.
<25>
Absorption according to any one of <1> to <24>, arranged between the front sheet disposed on the skin facing surface side, the back sheet disposed on the non-skin facing surface side, and both the sheets. An absorbent article comprising a body.
<26>
The second region is arranged on the skin facing surface side of the first region,
The absorbent article according to <25>, wherein the recess is recessed from the top sheet side to the back sheet side.
<27>
The second region is arranged on the non-skin facing surface side of the first region,
The absorbent article according to <25>, wherein the recess is recessed from the back sheet side to the top sheet side.
<28>
The absorbent article according to any one of <25> to <27>, wherein a hydrophilic intermediate sheet is disposed between the absorbent body and the top sheet.
<29>
The absorbent article according to any one of <25> to <28>, wherein a hydrophilic intermediate sheet is disposed between the absorber and the back sheet.
<30>
The absorbent article according to <28> or <29>, wherein a space is formed by the concave portion of the absorbent body and the intermediate sheet.
Claims (7)
吸水性ポリマーと親水性繊維との重量比（吸水性ポリマーの重量／親水性繊維の重量）が１以上である第１領域と、
該第１領域よりも吸水性ポリマー及び親水性繊維それぞれの含有量が多い第２領域とを有し、
前記第１領域及び前記第２領域は、厚み方向に連続して配されており、
０．９重量％の塩化ナトリウム水溶液を２０００ｇ／ｍ２供給して５分経過後の状態において、前記第２領域を厚み方向に貫通する凹部が形成されている吸収体。 An absorbent body comprising a water-absorbing polymer and hydrophilic fibers,
A first region in which a weight ratio of the water-absorbing polymer to the hydrophilic fiber (weight of the water-absorbing polymer / weight of the hydrophilic fiber) is 1 or more;
A second region having a higher content of each of the water-absorbing polymer and the hydrophilic fiber than the first region,
The first region and the second region are continuously arranged in the thickness direction,
An absorbent body in which a concave portion penetrating through the second region in the thickness direction is formed after 5 minutes have passed after supplying a 0.9 wt% sodium chloride aqueous solution at 2000 g / m 2 .
前記第１領域、前記第２領域及び前記第３領域は、厚み方向に連続して配されており、
前記凹部は、前記第２領域及び前記第３領域を厚み方向に貫通している請求項１〜５の何れか１項に記載の吸収体。 Low content of each water absorbent polymer and hydrophilic fibers than the second region, the weight ratio of the water-absorbing polymer and the hydrophilic fibers (weight / weight hydrophilic fibers of the water-absorbing polymer) is 0.5 or less Having a third region,
The first region, the second region, and the third region are continuously arranged in the thickness direction,
The said recessed part is an absorber of any one of Claims 1-5 which has penetrated the said 2nd area | region and the said 3rd area | region in the thickness direction.
The top sheet disposed on the skin facing surface side, the back sheet disposed on the non-skin facing surface side, and the absorber according to any one of claims 1 to 6 disposed between both the sheets. Absorbent article comprising
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013121957A JP6231779B2 (en) | 2012-06-11 | 2013-06-10 | Absorber and absorbent article using the same |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012131847 | 2012-06-11 | ||
| JP2012131847 | 2012-06-11 | ||
| JP2013121957A JP6231779B2 (en) | 2012-06-11 | 2013-06-10 | Absorber and absorbent article using the same |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2014014666A JP2014014666A (en) | 2014-01-30 |
| JP2014014666A5 true JP2014014666A5 (en) | 2016-06-30 |
| JP6231779B2 JP6231779B2 (en) | 2017-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2013121957A Active JP6231779B2 (en) | 2012-06-11 | 2013-06-10 | Absorber and absorbent article using the same |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6231779B2 (en) |
| CN (1) | CN104244889B (en) |
| RU (1) | RU2600437C2 (en) |
| WO (1) | WO2013187375A1 (en) |
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| JP5969104B2 (en) * | 2014-12-18 | 2016-08-10 | 花王株式会社 | Absorber manufacturing method |
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| JP6001713B2 (en) * | 2015-03-16 | 2016-10-05 | 大王製紙株式会社 | Absorbent articles |
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| JP6812153B2 (en) * | 2016-07-19 | 2021-01-13 | 花王株式会社 | Absorber manufacturing equipment and absorber manufacturing method |
| JP6538948B2 (en) * | 2017-11-28 | 2019-07-03 | 花王株式会社 | Absorbent body and absorbent article |
| JP6758332B2 (en) | 2018-01-10 | 2020-09-23 | ユニ・チャーム株式会社 | Absorbent article |
| EP3527183B8 (en) * | 2018-02-18 | 2020-11-11 | Ontex BV | Absorbent core, articles comprising said core, and methods of making |
| EP3527184B1 (en) * | 2018-02-18 | 2021-02-24 | Ontex BV | Absorbent core and articles comprising said core |
| CN112334517B (en) * | 2018-07-19 | 2023-10-24 | 三大雅株式会社 | Water-absorbent resin particles, absorbent body comprising same, and absorbent article |
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| JP7134151B2 (en) * | 2019-09-30 | 2022-09-09 | ユニ・チャーム株式会社 | absorbent article |
| JP6832024B1 (en) * | 2020-01-10 | 2021-02-24 | Ｄｓｇジャパン株式会社 | Absorbents and disposable diapers |
| WO2022071343A1 (en) * | 2020-09-29 | 2022-04-07 | ユニ・チャーム株式会社 | Absorbent article |
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| JP5199646B2 (en) * | 2007-11-16 | 2013-05-15 | ユニ・チャーム株式会社 | Absorbent articles |
| JP5417133B2 (en) * | 2009-06-17 | 2014-02-12 | 花王株式会社 | Absorbent articles |
| JP5513105B2 (en) * | 2009-12-28 | 2014-06-04 | 花王株式会社 | Absorbent articles |
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2013
- 2013-06-10 WO PCT/JP2013/065985 patent/WO2013187375A1/en active Application Filing
- 2013-06-10 CN CN201380019794.XA patent/CN104244889B/en active Active
- 2013-06-10 RU RU2014153100/12A patent/RU2600437C2/en active
- 2013-06-10 JP JP2013121957A patent/JP6231779B2/en active Active
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