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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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/m以上、好ましくは5g/m以上、より好ましくは10g/m以上、そして、50g/m以下、好ましくは40g/m以下、より好ましくは15g/m以下、より具体的には、0g/m以上50g/m以下であることが好ましく、5g/m以上40g/m以下であることがより好ましく、10g/m以上15g/m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/m以上、好ましくは10g/m以上、より好ましくは50g/m以上、そして、150g/m以下、好ましくは100g/m以下、より好ましくは70g/m以下、より具体的には、0g/m以上150g/m以下であることが好ましく、10g/m以上100g/m以下であることがより好ましく、50/m以上70g/m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/cm以上、より好ましくは70g/cm以上、更に好ましくは90g/cm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(第2領域−第1領域)は、好ましくは150g/cm以下、より好ましくは120g/cm以下、更に好ましくは100g/cm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/cm以上、より好ましくは160g/cm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(第2領域−第3領域)は、好ましくは200g/cm以下、より好ましくは180g/cm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/cm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(第2領域−第3領域)は、好ましくは35g/cm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を含む吸収体であって、
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/m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2領域の吸水性ポリマーの重量と前記第1領域の吸水性ポリマーの重量との重量比(前記第2領域の吸水性ポリマーの重量/前記第1領域の吸水性ポリマーの重量)が1.2以上である請求項1に記載の吸収体。The weight ratio of the weight of the water absorbent polymer in the second region to the weight of the water absorbent polymer in the first region (the weight of the water absorbent polymer in the second region / the weight of the water absorbent polymer in the first region) is 1. The absorbent body according to claim 1, which is 2 or more. 前記第1領域と前記第2領域とで、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)が異なっている請求項1又は2に記載の吸収体。The absorbent body according to claim 1 or 2, wherein the weight ratio of the water absorbent polymer and the hydrophilic fiber (weight of the water absorbent polymer / weight of the hydrophilic fiber) is different between the first region and the second region. . 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)に関し、前記第2領域の方が前記第1領域よりも大きい請求項3に記載の吸収体。The absorber according to claim 3, wherein the second region is larger than the first region with respect to a weight ratio of the water-absorbing polymer to the hydrophilic fiber (weight of the water-absorbing polymer / weight of the hydrophilic fiber). 前記吸収体は、前記凹部と前記凹部により区画された凸部とを有し、前記凹部における吸収性材料の坪量及び密度が、前記凸部における吸収性材料の坪量及び密度と同じかそれらよりも低くなっている、請求項1〜4の何れか1項に記載の吸収体。The absorbent body has the concave portion and a convex portion partitioned by the concave portion, and the basis weight and density of the absorbent material in the concave portion are the same as the basis weight and density of the absorbent material in the convex portion or the like. The absorber according to any one of claims 1 to 4, wherein the absorber is lower. 前記第2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少なく、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0.5以下である第3領域を有し、
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〜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.
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、請求項1〜の何れか1項に記載の吸収体とを備えた吸収性物品。
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
JP2013121957A 2012-06-11 2013-06-10 Absorber and absorbent article using the same Active JP6231779B2 (en)

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Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

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