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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- water
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- absorbent
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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 |
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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 |
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JP2014014666A JP2014014666A (en) | 2014-01-30 |
JP2014014666A5 true JP2014014666A5 (en) | 2016-06-30 |
JP6231779B2 JP6231779B2 (en) | 2017-11-15 |
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Family Applications (1)
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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 |
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JP (1) | JP6231779B2 (en) |
CN (1) | CN104244889B (en) |
RU (1) | RU2600437C2 (en) |
WO (1) | WO2013187375A1 (en) |
Families Citing this family (20)
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JP2015163130A (en) * | 2014-02-28 | 2015-09-10 | 日本製紙クレシア株式会社 | Absorbent article and manufacturing method of the same |
JP5969104B2 (en) * | 2014-12-18 | 2016-08-10 | 花王株式会社 | Absorber manufacturing method |
WO2016098867A1 (en) * | 2014-12-18 | 2016-06-23 | 花王株式会社 | Absorbent article, absorbent article manufacturing method, and absorbent article manufacturing device |
JP5965979B2 (en) * | 2014-12-18 | 2016-08-10 | 花王株式会社 | Absorber manufacturing equipment |
WO2016118405A1 (en) * | 2015-01-23 | 2016-07-28 | Kimberly-Clark Worldwide, Inc. | Bridged absorbent structure |
JP6001713B2 (en) * | 2015-03-16 | 2016-10-05 | 大王製紙株式会社 | Absorbent articles |
JP6185033B2 (en) * | 2015-09-30 | 2017-08-23 | ユニ・チャーム株式会社 | Absorber for absorbent articles |
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 |
EP3527184B1 (en) * | 2018-02-18 | 2021-02-24 | Ontex BV | Absorbent core and articles comprising said core |
EP3527183B8 (en) * | 2018-02-18 | 2020-11-11 | Ontex BV | Absorbent core, articles comprising said core, and methods of making |
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 |
ES2948646T3 (en) * | 2018-07-19 | 2023-09-15 | Twe Meulebeke | Multi-layer nonwoven structure for use as a component of disposable absorbent articles |
WO2020122208A1 (en) * | 2018-12-12 | 2020-06-18 | 住友精化株式会社 | Absorbent resin particles, absorbent article and production method therefor |
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 |
JPWO2022071343A1 (en) * | 2020-09-29 | 2022-04-07 | ||
CN117295477A (en) * | 2021-05-31 | 2023-12-26 | 住友精化株式会社 | Absorbent sheet and absorbent article |
JPWO2022255301A1 (en) * | 2021-05-31 | 2022-12-08 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
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DE19609462A1 (en) * | 1996-03-11 | 1997-09-18 | Kimberly Clark Gmbh | Absorbent article and method for the directed discharge of locally escaping fluids |
JP3406214B2 (en) * | 1998-01-30 | 2003-05-12 | ユニ・チャーム株式会社 | Disposable diapers |
JP4309594B2 (en) * | 2001-01-15 | 2009-08-05 | 大王製紙株式会社 | Disposable diapers |
JP4198314B2 (en) * | 2000-12-08 | 2008-12-17 | 大王製紙株式会社 | Absorber, manufacturing method thereof, and absorbent article provided with the absorber |
EP1402864B1 (en) * | 2002-09-30 | 2012-05-30 | Daio Paper Corporation | Body fluid absorbing article |
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 |
-
2013
- 2013-06-10 CN CN201380019794.XA patent/CN104244889B/en active Active
- 2013-06-10 WO PCT/JP2013/065985 patent/WO2013187375A1/en active Application Filing
- 2013-06-10 RU RU2014153100/12A patent/RU2600437C2/en active
- 2013-06-10 JP JP2013121957A patent/JP6231779B2/en active Active
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