JPH06509729A - 失禁者管理用高効率吸収体物品 - Google Patents
失禁者管理用高効率吸収体物品Info
- Publication number
- JPH06509729A JPH06509729A JP5504391A JP50439193A JPH06509729A JP H06509729 A JPH06509729 A JP H06509729A JP 5504391 A JP5504391 A JP 5504391A JP 50439193 A JP50439193 A JP 50439193A JP H06509729 A JPH06509729 A JP H06509729A
- Authority
- JP
- Japan
- Prior art keywords
- foam
- fluid
- weight
- absorbent
- redistribution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/425—Porous materials, e.g. foams or sponges
-
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Abstract
Description
Claims (8)
- 1.失禁者が排出した水性の身体の流体を吸収するのに有用なおむつのような吸 収体物品であって、該吸収体物品は、 A)比較的液体不透過性の後シートと、B)比較的液体透過性の上シートと、 C)前記後シートと前記上シートとの間に位置決めされた吸収体コアとを有し、 該吸収体コアが、i)物品の上シートを通過した排出された身体の流体を受入れ るように位置決めされた、合成尿を1秒間に少なくとも2ml、好ましくは少な くとも6ml捕捉する初期流体捕捉速度を持ち、好ましくは毛管作用による30 分垂直方向吸い上げ高さが4.5cmの多孔資の親水性からなる流体捕捉/分配 構成要素と、 ii)前記流体捕捉/分配構成要素と流体連通状態に維持され、合成尿を乾燥フ ォーム材料lg当たり少なくとも12ml、好ましくは少なくとも20ml吸収 する37℃での自由吸収力を持ち、5.1kPaの閉じ込め圧力を15分間に亘 って維持した状態での前記合成尿に対する吸収力が370℃でその自由吸収力の 少なくとも5%であり、好ましくは少なくとも20%の、親水性の可撓性の連続 気泡構造の形態のポリマーフォーム材料からなる流体貯蔵/再分配構成要素とを 有する、 ことを特徴とする吸収体物品。
- 2.A)吸収体コアの流体捕捉/分配構成要素は、平均乾燥密度が0.3g/c m3以下、合成尿で飽和させたときの平均密度が0.2g/cm3以下、好まし くは0.02g/cm3乃至0.2g/cm3、最も好ましくは0.02g/c m3乃至0.15g/cm3、平均坪量が0.00lg/cm2乃至0.10g /cm2、好ましくは0.01g/cm2乃至0.08g/cm2、最も好まし くは0.015g/cm2乃至0.04g/cm2の繊維質不繊構造からなる上 層の形態であり、 B)吸収体コアの流体貯蔵/再分配構成要素は、ポリマーフォーム材料からなる 下層の形態であり、このポリマーフォーム材料は、これを吸収体として使用する 時点で、 i)細孔容積が12ml/g乃至100m1/g、好ましくは20m1/g乃至 70ml/gであり、ii)毛管吸引で決定した比表面積が約0.5m2/g乃 至5.0m2/g、好ましくは0.75m2/g乃至4.5m2/gであり、 iii)構造を合成尿でその自由吸収力まで37℃で飽和した場合、5.1kP aの閉じ込め圧力を加えると15分後に構造を5%乃至95%、好ましくは5% 乃至75%圧縮する歪を生じるような、圧縮変形に対する抵抗を有し、 C)流体捕捉/分配層の流体貯蔵/再分配層に対する重量比が、好ましくは、1 :4乃至5:1の範囲内にある、 ことを特徴とする請求項1に記載の吸収体物品。
- 3.流体貯蔵/再分配層のポリマーフォーム材料は、そのポリマー構造に極性官 能基を実質的に持たないが、刺激のない界面活性剤及び水和可能な無機塩、好ま しくは塩化カルシウムから選択された桟留親水化剤を0.1重量%乃至10重量 %、好ましくは0.1重量%乃至7重量%含む、ことを特徴とする請求項1又は 2に記載の吸収体物品。
- 4.失禁者が排出した水性の身体の流体を吸収するためのおむつのような吸収体 物品であって、該吸収体物品は、 A)比較的液体不透過性の後シートと、B)比較的液体透過性の上シートと、 C)前記後シートと前記上シートとの間に位置決めされた吸収体コアとを有し、 該吸収体コアが、i)物品の上シートを通過した排出された身体の流体を受入れ るように位置決めされた、合成尿を1秒間に少なくとも2ml、好ましくは少な くとも6ml捕捉する初期流体捕捉速度を持ち、好ましくは毛管作用による30 分垂直方向吸い上げ高さが4.5cmの、繊維を包含した又はフォームを包含し た構造からなる流体捕捉/分配構成要素と、ii)前記流体捕捉/分配構成要素 と流体連通状態に維持された流体貯蔵/再分配構成要素とを有し、前記貯蔵/再 分配層は、水性の身体の流体との接触時に膨張し、この膨張時に前記流体を吸収 するのに有用な潰されたポリマーフォーム材料からなり、前記ポリマーフォーム 材料は、親水性の可撓性の加水分解されなかった相互連結された連続気泡構造を 構成し、この構造は約0.5m2/g乃至5.0m2/g、好ましくは0.75 m2/g乃至4.5m/gの毛管吸引比表面積を有し、この構造には水不溶性の 残留乳化剤が0.5重量%乃至20重量%、及び毒性に問題のない吸湿性の水和 させた塩が0.1重量%乃至7重量%含まれ、前記構造は、a)漬れた状態では 、 x)ポリマーフォーム材料の4重量%乃至15重量%の含水量、及び y)0.08g/cm3乃至0.3g/cm3の乾燥状態をベースとした密度を 有し、 b)膨張した状態では、 x)12ml/g乃至100ml/g、好ましくは20ml/g乃至70ml/ gの細孔容積、y)構造が65±5dyn/cmの表面張力を持つ合成尿でその 自由吸収力まで370℃で飽和させてある場合、5.1kPaの閉じ込め圧力を 加えると15分後に構造を5%乃至95%、好ましくは5%乃至75%圧縮する 歪を生じるような、圧縮変形に対する抵抗、及び z)漬れた状態での乾燥状態をベースとした密度の9%乃至28%である、前記 合成尿内でその自由吸収力まで飽和させたときの乾燥状態をベースとした密度を 更に有する、 吸収体物品。
- 5.A)吸収体コアの上流体捕捉/分配層は、50重量%乃至100重重%、好 ましくは75重量%乃至100重量%が、化学的に剛化され捩じられたカールし たセルロース繊維でできており、0重量%乃至50重量%、好ましくは0重量% 乃至25重量%が前記化学的に剛化され捩じられたカールしたセルロース繊維の 結合剤でできており、 B)吸収体コアの下流体貯蔵/再分配層は、合成尿を吸収したときに約20dy n/cm乃至65dyn/cmの接着張力を示す程度親水性のポリマーフォーム 構造からなり、この構造は、 1)a)約3重量%乃至41重量%、好ましくは7重量%乃至40重量%を占め る、好ましくはスチレンを基材とした一つ又はそれ以上の種類のモノマーからな る実質的に水不溶性の一官能基ガラス質モノマー成分、 b)約27重量%乃至73重量%、好ましくは27重量%乃至66重量%を占め る、好ましくは、ブチルアクリレート、2−エチルヘキシルアクリレート、ブタ ジエン、イソブレン、及びこれらの種類のコモノマーの組み合わせから選択され た種類のコモノマーからなる実質的に水不溶性の一官能基ゴム状コモノマー成分 、c)油相中での一官能基ガラス質モノマー成分の一官能基ゴム状コモノマー成 分に対するモル比が1:25乃至1.5:1の範囲にあり、d)}約8重量%乃 至30重量%、好ましくは10重量%乃至25重量%を占める、好ましくは、ジ ビニルベンゼン、ジビニルトルレン、ジアリルフクレート、及びポリオール又は このような種類の二官能基モノマーの組み合わせの一つ又はそれ以上のジアクリ ル酸エステルから選択された種類の二官能基モノマー、量も好ましくはジビニル ベンゼンからなる実質的に水不溶性の架橋剤成分、及び e)約2重量%乃至33重量%、好ましくは4重重%乃至25重量%を占める、 好ましくは、ソルビタンの脂肪酸エステル、ポリグリセロールの脂肪酸エステル 、ポリオキシエチレン脂肪酸及びエステル、及びこれらの組み合わせから選択さ れた乳化剤からなる、最も好ましくは重量比が2:1乃至5;1のソルビタント リオレエート及びソルビタントリオレエートからなる、安定した油中水乳濁液を 形成するのに適した、油相に可溶性の乳化剤成分、 を含む油相と、 ii)好ましくはアルカリ金属又はアルカリ土類金属の一つ又はそれ以上の水溶 性の塩、最も好ましくは塩化カルシウムからなる水溶性電解質を0.2重量%乃 至40重量%、好ましくは0.5重量%乃至20重量%を含み、及び好ましくは 水溶性ラジカル重合開始剤を0.02重量%乃至0.4重量%、好ましくは0. 1重量%乃至0.2重量%更に含む水溶液からなる水相と、 から形成された油中水乳濁液を重合することによって製造され、前記水相の前記 乳濁液を形成する前記油相に対する重量比は、12:1乃至100:1の範囲、 好ましくは10:1乃至70:1の範囲内にある、 ことを特徴とする請求項1乃至4のうちのいずれか一項に記載の吸収体物品。
- 6.A)流体捕捉/分配層の化学的に剛化され捩じられたカールしたセルロース 繊維は、好ましくはC2−Caジアルデヒドで架橋することによって形成され、 剛化され捩じられたカールしたセルロース繊維をつくりだすセルロース繊維の状 態は、 i)乾燥状態での繊維の平均捩じれ数が、捩じれ癌瘤をlmm当たり少なくとも 約4.5個持つ捩じれ数であり、 ii)湿潤状態での繊維の平均捩じれ数が、捩じれ瘤をlmm当たり少なくとも 約3.0個持つ捩じれ数であり、この捩じれ数は、捩じれ瘤の数が乾燥状態での 繊維の平均捩じれ数よりもlmm当たり少なくとも0.5少なく、 iii)カールファクタが少なくとも0.30であり、iv)水保持値が28% 乃至50%であり、v)アルコール保持値が30%以下であり、B)吸収体コア の流体貯蔵/再分配層はポリマーフォーム材料からなり、この材料は、吸収体と してのその使用の時点で、 i)乾燥状態の重量をベースとした密度が0.01g/cm3乃至0.08g/ cm3であり、ii)気泡の平均的な大きさが5μm乃至100μmであり、 iii)前記材料を1分間に亘って圧縮した後、200℃の乾燥時にはその元の 厚さの少なくとも85%まで、37℃の合成尿でその自由吸収力まで飽和させた 場合にはその元の厚さの少なくとも75%まで前記材料が1分間で回復する、圧 縮変形からの回復を有する、 ことを特徴とする請求項1乃至5のうちのいずれか一項に記載の吸収体物品。
- 7.物品の流体捕捉/分配層は、1g乃至25g、好ましくは2g乃至20gで あり、流体貯蔵/再分配層は、2g乃至20g、好ましくは3g乃至17gであ る、ことを特徴とする請求項1乃至6のうちのいずれか一項に記載の吸収体物品 。
- 8.A)前記上シートは、前記吸収体コアの一方の面と同延であり、 B)前記後シートは、コアの前記上シートによって覆われた面とは反対側の面と 同延であり、コアよりも幅が大きく、これによって、コアを越えて延びる後シー トの側辺縁部を構成し、 C)前記吸収体コアは砂時計形状であり、流体捕捉/分配層の上面の面積が流体 貯蔵/再分配層の上面の面積の15%乃至95%である、 ことを特徴とする請求項1乃至7のうちのいずれか一項に記載の吸収体物品。
Applications Claiming Priority (3)
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US07/743,950 US5147345A (en) | 1991-08-12 | 1991-08-12 | High efficiency absorbent articles for incontinence management |
US743,950 | 1991-08-12 | ||
PCT/US1992/006709 WO1993003699A2 (en) | 1991-08-12 | 1992-08-07 | High efficiency absorbent articles for incontinence management |
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JPH06509729A true JPH06509729A (ja) | 1994-11-02 |
JP3492359B2 JP3492359B2 (ja) | 2004-02-03 |
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JP50439193A Expired - Fee Related JP3492359B2 (ja) | 1991-08-12 | 1992-08-07 | 失禁者管理用高効率吸収体物品 |
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HK (1) | HK1006530A1 (ja) |
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MA (1) | MA22623A1 (ja) |
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JP2002506689A (ja) * | 1998-03-13 | 2002-03-05 | ザ、プロクター、エンド、ギャンブル、カンパニー | 体液を吸収するための大表面積材料を含む吸収部材 |
JP2003527895A (ja) * | 2000-03-02 | 2003-09-24 | パウル ハルトマン アクチェンゲゼルシャフト | 使い捨て用吸収性衛生用品 |
JP2004510041A (ja) * | 2000-09-27 | 2004-04-02 | ビーエーエスエフ アクチェンゲゼルシャフト | メラミン/ホルムアルデヒド樹脂を基礎とする親水性の弾性連続気泡発泡体、その製造および衛生用品におけるその使用 |
JP2013544312A (ja) * | 2010-12-02 | 2013-12-12 | ビーエーエスエフ ソシエタス・ヨーロピア | 充填材を含有する発泡体 |
JP2014532525A (ja) * | 2011-11-09 | 2014-12-08 | ザ プロクター アンド ギャンブルカンパニー | 二重コアを有する吸収性物品 |
JP2015500060A (ja) * | 2011-12-01 | 2015-01-05 | スリーエム イノベイティブ プロパティズ カンパニー | コイル状フィラメント不織布ウェブを含む組立中間体及び物品 |
JP2020082569A (ja) * | 2018-11-28 | 2020-06-04 | セイコーエプソン株式会社 | 液体吸収器、液体吸収器の制御方法および液体吸収性材料 |
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