JPH06510075A - 水性体液用吸収性フォーム材料およびこのような材料を含有する吸収性物品 - Google Patents
水性体液用吸収性フォーム材料およびこのような材料を含有する吸収性物品Info
- Publication number
- JPH06510075A JPH06510075A JP5504392A JP50439293A JPH06510075A JP H06510075 A JPH06510075 A JP H06510075A JP 5504392 A JP5504392 A JP 5504392A JP 50439293 A JP50439293 A JP 50439293A JP H06510075 A JPH06510075 A JP H06510075A
- Authority
- JP
- Japan
- Prior art keywords
- foam
- absorbent
- weight
- foam material
- water
- 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
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- PRXRUNOAOLTIEF-ADSICKODSA-N Sorbitan trioleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@@H](OC(=O)CCCCCCC\C=C/CCCCCCCC)[C@H]1OC[C@H](O)[C@H]1OC(=O)CCCCCCC\C=C/CCCCCCCC PRXRUNOAOLTIEF-ADSICKODSA-N 0.000 claims description 3
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- 230000001588 bifunctional effect Effects 0.000 claims 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims 1
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- 239000004698 Polyethylene Substances 0.000 description 8
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- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 7
- 238000005452 bending Methods 0.000 description 7
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- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 3
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- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F2013/530802—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium characterized by the foam or sponge other than superabsorbent
- A61F2013/53081—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium characterized by the foam or sponge other than superabsorbent with special pore dimension or arrangement
- A61F2013/530817—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium characterized by the foam or sponge other than superabsorbent with special pore dimension or arrangement being open cells
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F2013/530802—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium characterized by the foam or sponge other than superabsorbent
- A61F2013/530839—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium characterized by the foam or sponge other than superabsorbent being hydrophilic
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F2013/530802—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium characterized by the foam or sponge other than superabsorbent
- A61F2013/530854—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium characterized by the foam or sponge other than superabsorbent being collapsed or collapsible foam
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S521/905—Hydrophilic or hydrophobic cellular product
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S521/918—Physical aftertreatment of a cellular product
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249981—Plural void-containing components
Landscapes
- Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Vascular Medicine (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Organic Chemistry (AREA)
- Hematology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Polymers & Plastics (AREA)
- Dispersion Chemistry (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polymerisation Methods In General (AREA)
- Packages (AREA)
Abstract
Description
Claims (8)
- 1.水性体液を吸収し且つ保持するのに特に好適な高分子フォーム材料(ここで 、該フォーム材料は好ましくは37℃の合成尿での飽和時に少なくとも1サイク ルの曲げ値を示し且つ相互連結連続気泡の親水性可撓性構造物からなる)であっ て、該構造物が、吸収剤としての使用の時点において A)細孔容積12〜100、好ましくは20〜70ml/g; B)毛管吸引によって測定した時の比表面積0.5〜5.0、好ましくは0.7 5〜4.5m2/g;およびC)閉込圧力5.1kPaが表面張力65±5ダイ ン/cmを有する合成尿で37℃において自由吸収能力に飽和する時に15分後 に構造物の圧縮5%〜95%、好ましくは5〜75%のひずみを生ずるような耐 圧縮撓み性 を有することを特徴とする高分子フォーム材料。
- 2. (A)フォーム材料の構造物が a)(i)実質上水不溶性の単官能ガラス状単量体成分(ただし、好ましくは1 種以上のスチレンをベースとする単量体型を含む)3〜41重量%、好ましくは 7〜40重量%; (ii)実質上水不溶性の単官能ゴム状コモノマー成分(好ましくはアクリル酸 ブチル、アクリル酸2−エチルヘキシル、ブタジエン、イソプレンおよびこれら のコモノマー型の組み合わせから選ばれるコモノマー型を含む)27〜73重量 %、女ましくは27〜66重量%; (iii)油相中の単官能ガラス状単量体成分対単官能ゴム状コモノマーのモル 比が好ましくは約1:25から1.5:1の範囲内であり; (iv)実質上水不溶性の架橋剤成分(好ましくはジビニルベンゼン、ジビニル トルエン、ジアリルフクレート、ポリオールの1種以上のジアクリル酸エステル またはこのような二官能単り量体型の組み合わせから選ばれる二官能単量体型を 含み、最も好ましくはジビニルベンゼンを含む)8〜30重量%、好ましくは1 0〜25重量%;(v)油相に可溶性であり且つ安定な油中水型乳濁液を調製す るのに好適である乳化剤成分(ただし、該乳化剤成分が好ましくはソルビタン脂 肪酸エステル、ポリグリセロール脂肪酸エステル、ポリオキシエチレン脂肪酸お よびエステルおよびこのような乳化剤の組み合わせから選ばれる乳化剤からなり 、最も好ましくはモノオレエート対トリオレエートの重量比2:1から5:1の ソルビタンモノオレエートとソルビタントリオレエートからなる)2〜33重量 %、好ましくは4〜25重量% を含む油相;および (b)水溶性電解質(好ましくはアルカリ金属またはアルカリ土類金属の1種以 上の水溶性塩を含み、最も好ましくは塩化カルシウムを含む)0.2〜40重量 %、好ましくは0.5〜20重量%を含有し且つ好ましくは水溶性遊離基重合開 始剤0.02〜0.4重量%、好ましくは0.1〜0.2重量%を更に含有する 水溶液を含む水相(ただし、前記乳濁液を調製する前記水相対前記油相の重量比 は12:1から100:1、好ましくは20:1から70:1である) から調製される油中水型乳濁液を重合するとによって製造し;且つ B)フォーム材料の構造物は構造物が表面張力65±5ダイン/cmを有する合 成尿を吸収する時に15〜65、好ましくは20〜65ダイン/cmの接着張力 を示す程度まで親水性である ことを特徴とする、請求項1に記載のフォーム材料。
- 3.構造物が、吸収剤としての使用の時点において(a)乾燥重量基準で密度0 .01〜0.08g/cm3; (b)平均気泡サイズ5〜100μ; (c)構造物が1分間圧縮した後に元の厚さの、20℃で乾燥している時に1分 以内で少なくとも85%、表面張力65±5ダイン/cmを有する37℃の合成 尿で自由吸収能力に飽和する時に少なくとも75%回復するような圧縮撓みから の回復;(d)前記合成尿少なくとも12ml/乾燥フォーム材料1gの37℃ での自由吸収能力; (e)自由吸収能力の少なくとも5%である、37℃に15分間維持された閉込 圧力5.1kPa下での前記合成尿用吸収能力; (f)前記合成尿が30分以下でフォームの5cmの垂直長さに沿って灯心作用 するような37℃での垂直灯心作用速度;および (g)垂直灯心作用高さ11.4cmで前記合成尿少なくとも10ml/フォー ム1gの垂直灯心作用吸収能力 を有することを特徴とする、請求項1ないし2のいずれか1項に記載のフォーム 材料。
- 4.高分子構造物上に極性官能基を実質上含まないが、非刺激性界面活性剤およ び水和性無機塩(好ましくは塩化カルシウム)から選ばれる残留親水化剤0.1 〜10重量%、好ましくは0.1〜7重量%を含有することを特徴とする、請求 項1ないし3のいずれか1項に記載のフォーム材料。
- 5.水性体液との接触時に、膨張し且つそこで前記体液を吸収するのに有用であ るつぶれた高分子フォーム材料であって、相互連結連続気泡の親水性可撓性非加 水分解構造物からなり、構造物が毛管吸引比表面積0.5〜5.0m2/gを有 し、且つ構造物が残留水不溶性乳化剤0.5%〜20?重量%および毒物学上許 容可能な吸湿性水和塩0.1%〜7重量%をそこに更に配合し、前記構造物が A)つぶれた状態で (i)高分子フォーム材料の4〜15重量%の水分;および (ii)乾燥基準密度0.08〜0.3g/cm3を更に有し且つ B)膨張された状態で (i)細孔容積12〜100ml/g;(ii)閉込圧力5.1kPaが表面張 力65±5ダイン/cmを有する合成尿で37℃において自由吸収能力に飽和す る時にひずみの15分後に構造物の圧縮5%〜95%を生ずるような耐圧縮撓み 性;および (iii)つぶれた状態での乾燥基準密度の9%〜28%である、前記合成尿中 での自由吸収能力への飽和時の乾燥基準密度 を有することを特徴とするつぶれた高分子フォーム材料。
- 6.水性体液を吸収し且つ保持するのに特に好適な吸収性物品であって、 A)比較的液体不浸透性の裏張りシート;およびB)フォーム材料が前記裏張り シートと物品の着用者の流体排泄領域との間に配置されるように前記裏張りシー トと関連づけられた請求項1ないし5のいずれか1項に記載のフォーム材料 を具備することを特徴とする吸収性物品。
- 7.実質上液体浸透性のトップシートを追加的に具備し、フォーム材料が前記の 比較的液体不浸透性の裏張りシートと前記の実質上液体浸透性のトップシートと の間に配置された吸収性芯構造物に存在し、前記吸収性芯構造物がセルロース系 繊維、高分子ゲル化剤の粒子または繊維およびこのような追加成分の組み合わせ から選ばれる追加成分を場合によって含み、または場合によって木材パルプ繊維 および剛性化可燃カール状セルロース系繊維から選ばれるセルロース系繊維を含 み且つ上層の0〜10重量%の高分子ゲル化剤粒子を含有する上層とフォーム材 料を含む下層とを有する多層形状であることを特徴とする、請求項6に記載の吸 収性物品。
- 8.使い捨ておむつの形であり、そしてA)前記トップシートが前記吸収性芯の 一面と同一の広がりを有し; B)前記裏張りシートが前記トップシートによってカバーされる面と反対の芯の 面と同一の広がりを有し且つ芯の幅より大きい幅を有し、それによって芯を超え て延出する裏張りシートの前記境界部分を与え;且つC)前記吸収性芯が砂時計 状である ことを特徴とする、請求項6ないし7のいずれか1項に記載の吸収性物品。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/743,839 US5260345A (en) | 1991-08-12 | 1991-08-12 | Absorbent foam materials for aqueous body fluids and absorbent articles containing such materials |
US743,839 | 1991-08-12 | ||
PCT/US1992/006710 WO1993004092A1 (en) | 1991-08-12 | 1992-08-07 | Absorbent foam materials for aqueous body fluids and absorbent articles containing such materials |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH06510075A true JPH06510075A (ja) | 1994-11-10 |
JP3231320B2 JP3231320B2 (ja) | 2001-11-19 |
Family
ID=24990406
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50439293A Expired - Lifetime JP3231320B2 (ja) | 1991-08-12 | 1992-08-07 | 水性体液用吸収性フォーム材料およびこのような材料を含有する吸収性物品 |
Country Status (29)
Country | Link |
---|---|
US (1) | US5260345A (ja) |
EP (1) | EP0598833B1 (ja) |
JP (1) | JP3231320B2 (ja) |
KR (1) | KR100257417B1 (ja) |
CN (2) | CN1070922A (ja) |
AT (1) | ATE159730T1 (ja) |
AU (1) | AU670244B2 (ja) |
BR (1) | BR9206375A (ja) |
CA (1) | CA2114958C (ja) |
CZ (1) | CZ290198B6 (ja) |
DE (1) | DE69222945T2 (ja) |
DK (1) | DK0598833T3 (ja) |
EG (1) | EG19703A (ja) |
ES (1) | ES2110518T3 (ja) |
FI (1) | FI940649A0 (ja) |
GR (1) | GR3025224T3 (ja) |
HK (1) | HK1004337A1 (ja) |
HU (1) | HU218260B (ja) |
MA (1) | MA22622A1 (ja) |
MX (1) | MX9204671A (ja) |
NO (1) | NO305637B1 (ja) |
NZ (1) | NZ243903A (ja) |
PL (1) | PL170808B1 (ja) |
PT (2) | PT8581T (ja) |
RU (1) | RU2127102C1 (ja) |
SK (1) | SK18294A3 (ja) |
TR (1) | TR27268A (ja) |
TW (1) | TW261525B (ja) |
WO (1) | WO1993004092A1 (ja) |
Cited By (1)
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WO2020262343A1 (ja) * | 2019-06-28 | 2020-12-30 | ユニ・チャーム株式会社 | 吸収体及び吸収性物品 |
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US5649920A (en) * | 1991-08-12 | 1997-07-22 | The Procter & Gamble Company | Absorbent article with bolstering waist feature |
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WO2020262343A1 (ja) * | 2019-06-28 | 2020-12-30 | ユニ・チャーム株式会社 | 吸収体及び吸収性物品 |
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