JP2016501645A - 流量制御部材を有する吸収性物品 - Google Patents
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Abstract
Description
一般的に使用される、接合された不織材を通じた空気の高いロフト(high lofts of air)である、液体捕捉分配材料の歪を本発明の流量制御部材に使用される材料と比較するために多くの異なる材料が圧縮試験にかけられた。これら試験は、以下に記載するような方法によって行われた。
手順:
本方法の原理は、材料の厚みを連続的に測定しながら、材料を5Nの力まで金属ロッドによってゆっくりと圧縮することである。その結果は、力と伸びとに対するデータポイントからなる。力は、ロッドの接触領域に付加される圧力に形を変える。金属ロッドは円柱状であり、10mmの直径を有し、>7cmの直径を有する平坦な基部を有する。ロッドは、インストロン試験機器の上部固定治具に10Nのロードセルに取り付けられる。平坦な平板が下部固定治具に取り付けられ、試料が平板の頂面上に載置され、平板が動かない状態で圧縮されるように、ロッドの下で中心出しされる。ロッドの移動速度は毎分5mmである。これら設定は、「ニューメカノ5N(New Mecano 5 N)」と呼ばれるインストロンブルーヒルプログラム(Instron Bluehill program)の中に予めプログラムされているが、試験を行う前に、このプログラムの設定は、すべての限界値がそれらの適正な値に設定されていることを確認されるべきである。変形バージョンで行うことは、機器、特に感度の良いロードセルに対する損傷をもたらす場合がある。
最初の作動は、試料無しの空運転である。この作動は厚みがゼロであるポジションを見つけるために使用され、厚みがゼロであるポジションは、鋼の平板がロッドを停止させるポジションである。ロッドが金属に衝突する際に生じる、機器が十分早く補正することができない力の急速な増加のため、空運転は通常、ロッドが停止する前の最大限界設定値より高い力を生成する。ロードセルが損傷することなく衝突に耐えることができることを確実にすることに注意されるべきである。特別な設定を空運転に対して使用して、最大限界力及びロッドの速度を低下させることができる。
試料は、試験される材料から打ち抜かれた、50mmの辺を有する正方形である。材料が不均一な厚みを有する場合には、試料は材料の最も厚い部分から取られた。ロッドが試料の中央に押し付けられ、試料それぞれは作動間に移動されることなく3回試験される。試験される材料それぞれの10個の試料が使用され、合計30個の測定と、空運転を含んで31個の試験の作動が試験される材料それぞれに対して行われる。
結果は、力対伸長に対する一式のデータポイントである。力は、メカノで測定された力(N)をロッドの最下部の面積(m2)によって割ることによって圧力に再計算される。
手順:
本発明によるスペーサー布と、試料B(特性については上記表を参照)との引っ張り試験測定が、Edana test method WSP 110.4 (05) Breaking Force and Elongation NW又はAmerican Standard method ASTMD 882(同等の方法)に従って行われた。使用されたインストロン機器は、識別番号:10080であり、セル100Nは、識別番号:100182であった。試験試料は、25mm幅であり、インストロンで使用された引っ張り速度は100mm/分であった。
2つの試料に対する引張強度(N)と、生産方向での伸び(%)との値が、図5に示すようにグラフにプロットされた。本発明によるスペーサー布は、使い捨て式吸収性物品への製造機器の改造を好都合にする低い%伸びを示す。
2 液体透過性トップシート
4 液体不透過性バックシート
6 吸収性コア
22 第2の吸収性コア層
23 第1の吸収性コア層
24 流量制御部材
25 開口部
27 スペーサー布
28 最上層
29 最下層
30 相互接続層
33 パイル繊維
31 開口
Claims (15)
- 吸収性物品(1)であって、
該吸収性物品(1)が、
液体透過性トップシート(2)、
液体不透過性バックシート(4)、
前記トップシート(2)と、前記バックシート(4)と、の間に封止された吸収性コア(6)、及び
前記トップシート(2)と、前記バックシート(4)と、の間に配置された流量制御部材(24)、
を備える個人用使い捨て式衛生物品である吸収性物品において、
前記流量制御部材(24)は、最上層(28)及び最下層(29)、並びに前記最上層(28)と、前記最下層(29)との間の、パイル繊維(33)からなる相互接続層(30)を備えるスペーサー布(27)であり、
該スペーサー布(27)は、メカノ法に従って測定されるときに、少なくとも1.5×10−5m/gsmの、15kPaにおける秤量に対する厚みの比を有することを特徴とする、吸収性物品(1)。 - 前記15kPaにおける秤量に対する厚みの比は、前記Mecano法に従って測定されるときに、2.5×10−5m/gsmより小さい、好ましくは2.0×10−5m/gsmより小さいことを特徴とする請求項1に記載の吸収性物品。
- 前記パイル繊維(33)は、80〜130dtexの、好ましくは90〜120dtexの細かさを有することを特徴とする請求項1又は2に記載の吸収性物品。
- 前記パイル繊維(33)の接続層の密度は50〜150/cm2、好ましくは70〜100/cm2であることを特徴とする請求項1〜3のいずれか一項に記載の吸収性物品。
- 前記スペーサー布(27)は、150〜300gsmの、好ましくは150〜250gsmの、より好ましくは200〜230gsmの秤量を有することを特徴とする請求項1〜4のいずれか一項に記載の吸収性物品。
- 前記スペーサー布(27)は、ISO 508に従って測定するとき、1kPaにおいて3〜6mm、好ましくは3.5〜5mmの厚みを有することを特徴とする請求項1〜5のいずれか一項に記載の吸収性物品。
- 前記スペーサー布(27)の前記最上層(28)の開口(31)は、3.0〜4.5mmの長手方向の寸法と、1.5〜3.0mmの横方向の寸法を有することを特徴とする請求項1〜6のいずれか一項に記載の吸収性物品。
- 前記スペーサー布(27)の前記最上層(28)は、cm2あたり3〜8個の、好ましくは4〜6個の開口を有することを特徴とする請求項1〜7のいずれか一項に記載の吸収性物品。
- 前記スペーサー布(27)の前記最下層(29)は、cm2あたり50〜150の開口を有することを特徴とする請求項1〜8のいずれか一項に記載の吸収性物品。
- 前記スペーサー布(27)は、前記スペーサー布(27)の生産方向において5〜15コース/cm、好ましくは8〜12コース/cmと、前記スペーサー布(27)の横断方向において6〜12ウェール/cm、好ましくは7〜10ウェール/cmを有することを特徴とする請求項1〜9のいずれか一項に記載の吸収性物品。
- 生産方向における前記スペーサー布(27)は、エダナ試験方法WSP 110.4 (05)破断荷重及び伸びNWに従って測定した場合に、10Nにおいて25%未満の、好ましくは15%未満の伸びを有することを特徴とする請求項1〜10のいずれか一項に記載の吸収性物品。
- 前記スペーサー布(27)は、前記トップシート(2)と、前記吸収性コア(6)との間に配置されていることを特徴とする請求項1〜11のいずれか一項に記載の吸収性物品。
- 前記吸収性コア(6)は、第1の吸収性コア層(23)と、第2の吸収性コア層(22)と、を備え、前記スペーサー布(27)は、前記第1の吸収性コア層(23)と、前記第2の吸収性コア層(22)と、の間に配置されていることを特徴とする請求項1〜12のいずれか一項に記載の吸収性物品。
- 前記第1の吸収性コア層(23)は前記トップシート(2)と、前記第2の吸収性コア層(22)と、の間に配置されており、前記第1の吸収性コア層(23)は、前記第1の吸収性コア層(23)を通じて延びる開口部(25)を有することを特徴とする請求項13に記載の吸収性物品。
- 前記吸収性コア(6)は、超吸収性ポリマーを備えることを特徴とする請求項1〜14のいずれか一項に記載の吸収性物品。
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Application Number | Priority Date | Filing Date | Title |
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PCT/EP2012/005389 WO2014101928A1 (en) | 2012-12-28 | 2012-12-28 | Absorbent article having a spacer fabric as fluid flow control member |
Publications (3)
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JP2016501645A true JP2016501645A (ja) | 2016-01-21 |
JP2016501645A5 JP2016501645A5 (ja) | 2016-11-24 |
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JP2015549994A Active JP6474135B2 (ja) | 2012-12-28 | 2012-12-28 | 流量制御部材を有する吸収性物品 |
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US (1) | US9937085B2 (ja) |
EP (1) | EP2938308B1 (ja) |
JP (1) | JP6474135B2 (ja) |
CN (1) | CN104884019B (ja) |
AU (1) | AU2012398099B2 (ja) |
BR (1) | BR112015015386A2 (ja) |
PL (1) | PL2938308T3 (ja) |
RU (1) | RU2611490C2 (ja) |
WO (1) | WO2014101928A1 (ja) |
Families Citing this family (6)
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US10369246B2 (en) | 2013-06-14 | 2019-08-06 | Krp U.S., Llc | Absorbent articles having pockets and related methods therefor |
EP3162339A1 (en) * | 2015-10-26 | 2017-05-03 | 3M Innovative Properties Company | Absorbent article with liquid-redirecting layer |
US10258517B1 (en) | 2018-05-25 | 2019-04-16 | Tredegar Film Products Corporation | Fluid distribution material for absorbent articles |
WO2021096512A1 (en) * | 2019-11-14 | 2021-05-20 | Tredegar Film Products Llc | Formed films and absorbent articles including same |
EP3906906A1 (en) | 2020-05-07 | 2021-11-10 | Spacerpad AB | Washable sanitary product |
EP4119111A1 (en) * | 2021-07-12 | 2023-01-18 | Fameccanica.Data S.p.A. | A dual-core absorbent sanitary article and a method for producing the same |
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2012
- 2012-12-28 PL PL12810108T patent/PL2938308T3/pl unknown
- 2012-12-28 WO PCT/EP2012/005389 patent/WO2014101928A1/en active Application Filing
- 2012-12-28 AU AU2012398099A patent/AU2012398099B2/en not_active Ceased
- 2012-12-28 BR BR112015015386A patent/BR112015015386A2/pt not_active IP Right Cessation
- 2012-12-28 US US14/650,951 patent/US9937085B2/en active Active
- 2012-12-28 CN CN201280078043.0A patent/CN104884019B/zh active Active
- 2012-12-28 RU RU2015131102A patent/RU2611490C2/ru active
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- 2012-12-28 JP JP2015549994A patent/JP6474135B2/ja active Active
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Also Published As
Publication number | Publication date |
---|---|
AU2012398099B2 (en) | 2016-09-08 |
CN104884019A (zh) | 2015-09-02 |
US20150320615A1 (en) | 2015-11-12 |
RU2015131102A (ru) | 2017-02-02 |
EP2938308B1 (en) | 2019-02-27 |
RU2611490C2 (ru) | 2017-02-27 |
WO2014101928A1 (en) | 2014-07-03 |
US9937085B2 (en) | 2018-04-10 |
JP6474135B2 (ja) | 2019-02-27 |
AU2012398099A1 (en) | 2015-07-16 |
PL2938308T3 (pl) | 2019-08-30 |
CN104884019B (zh) | 2019-03-12 |
BR112015015386A2 (pt) | 2018-05-15 |
EP2938308A1 (en) | 2015-11-04 |
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