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RU2010135784A - Впитывающие изделия, содержащие впитывающие материалы, проявляющие свойства отбухания/вторичного набухания - Google Patents

Впитывающие изделия, содержащие впитывающие материалы, проявляющие свойства отбухания/вторичного набухания Download PDF

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Publication number
RU2010135784A
RU2010135784A RU2010135784/15A RU2010135784A RU2010135784A RU 2010135784 A RU2010135784 A RU 2010135784A RU 2010135784/15 A RU2010135784/15 A RU 2010135784/15A RU 2010135784 A RU2010135784 A RU 2010135784A RU 2010135784 A RU2010135784 A RU 2010135784A
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RU
Russia
Prior art keywords
layer
absorbent composite
sap
water
absorbent
Prior art date
Application number
RU2010135784/15A
Other languages
English (en)
Other versions
RU2490030C2 (ru
Inventor
II Ричард Н. ДОДЖ (US)
II Ричард Н. ДОДЖ
Джян КИН (US)
Джян КИН
Скотт Дж. СМИТ (US)
Скотт Дж. СМИТ
Гонглу ТИАН (US)
Гонглу ТИАН
Яру ШИ (US)
Яру ШИ
Original Assignee
Кимберли-Кларк Ворлдвайд, Инк. (Us)
Кимберли-Кларк Ворлдвайд, Инк.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Кимберли-Кларк Ворлдвайд, Инк. (Us), Кимберли-Кларк Ворлдвайд, Инк. filed Critical Кимберли-Кларк Ворлдвайд, Инк. (Us)
Publication of RU2010135784A publication Critical patent/RU2010135784A/ru
Application granted granted Critical
Publication of RU2490030C2 publication Critical patent/RU2490030C2/ru

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
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    • A61F13/534—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 having an inhomogeneous composition through the thickness of the pad
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    • 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
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    • A61L15/42—Use of materials characterised by their function or physical properties
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • A61F2013/530481—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 having superabsorbent materials, i.e. highly absorbent polymer gel materials
    • A61F2013/530708—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 having superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the absorbency properties
    • A61F2013/530715—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 having superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the absorbency properties by the acquisition rate
    • A61F2013/530729—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 having superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the absorbency properties by the acquisition rate by the swelling rate
    • 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
    • A61F2013/530481—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 having superabsorbent materials, i.e. highly absorbent polymer gel materials
    • A61F2013/530788—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 having superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the gel layer permeability
    • 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
    • A61F13/84—Accessories, not otherwise provided for, for absorbent pads
    • A61F13/8405—Additives, e.g. for odour, disinfectant or pH control
    • A61F2013/8408—Additives, e.g. for odour, disinfectant or pH control with odour control
    • A61F2013/8426—Additives, e.g. for odour, disinfectant or pH control with odour control with metallic salts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/46—Materials comprising a mixture of inorganic and organic materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/50—Aspects relating to the use of sorbent or filter aid materials
    • B01J2220/68—Superabsorbents

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Abstract

1. Впитывающий композит, содержащий: ! впитывающую композицию; ! где впитывающая композиция содержит САП (суперабсорбирующий полимер), агент, инициирующий отбухание, (TAD) и агент, инициирующий повторное набухание, (TAR); !где САП, TAD и TAR все выбраны из групп химикатов, объединенных на основе растворимости или степени нейтрализации; и ! где впитывающий композит имеет верхнюю сторону и противоположную нижнюю сторону. ! 2. Впитывающий композит по п.1, где САП, TAD и TAR, по существу, равномерно распределены внутри композита. !3. Впитывающий композит по п.1, также содержащий целевую зону и область периметра; где целевая зона содержит САП, TAD и TAR; и где область периметра содержит, по существу, только САП. ! 4. Впитывающий композит по п.1, где TAD содержит первый растворимый в воде твердый химикат, где TAD имеет профиль высвобождения для высвобождения растворимого в воде твердого химиката, где профиль высвобождения выбран из сингулярного профиля высвобождения или сигмоидального профиля высвобождения; где TAR содержит второй растворимый в воде твердый химикат, где агент, инициирующий повторное набухание, имеет сигмоидальный профиль высвобождения для высвобождения второго растворимого в воде твердого химиката; и где первый растворимый в воде химикат имеет более высокое кумулятивное высвобождение, чем второй растворимый в воде химикат, после воздействия водной жидкости и до около 100% высвобождения. ! 5. Впитывающий композит по п.1, где впитывающий композит присутствует во впитывающем изделии, которое также верхний лист и нижний лист, где впитывающий композит расположен между верхним листом и нижним листом. ! 6. Впитывающий композит, имеющ�

Claims (15)

1. Впитывающий композит, содержащий:
впитывающую композицию;
где впитывающая композиция содержит САП (суперабсорбирующий полимер), агент, инициирующий отбухание, (TAD) и агент, инициирующий повторное набухание, (TAR);
где САП, TAD и TAR все выбраны из групп химикатов, объединенных на основе растворимости или степени нейтрализации; и
где впитывающий композит имеет верхнюю сторону и противоположную нижнюю сторону.
2. Впитывающий композит по п.1, где САП, TAD и TAR, по существу, равномерно распределены внутри композита.
3. Впитывающий композит по п.1, также содержащий целевую зону и область периметра; где целевая зона содержит САП, TAD и TAR; и где область периметра содержит, по существу, только САП.
4. Впитывающий композит по п.1, где TAD содержит первый растворимый в воде твердый химикат, где TAD имеет профиль высвобождения для высвобождения растворимого в воде твердого химиката, где профиль высвобождения выбран из сингулярного профиля высвобождения или сигмоидального профиля высвобождения; где TAR содержит второй растворимый в воде твердый химикат, где агент, инициирующий повторное набухание, имеет сигмоидальный профиль высвобождения для высвобождения второго растворимого в воде твердого химиката; и где первый растворимый в воде химикат имеет более высокое кумулятивное высвобождение, чем второй растворимый в воде химикат, после воздействия водной жидкости и до около 100% высвобождения.
5. Впитывающий композит по п.1, где впитывающий композит присутствует во впитывающем изделии, которое также верхний лист и нижний лист, где впитывающий композит расположен между верхним листом и нижним листом.
6. Впитывающий композит, имеющий волокнистую матрицу, содержащую: САП, агент, инициирующий отбухание, (TAD) и агент, инициирующий повторное набухание, (TAR); где САП, TAD и TAR все выбраны групп химикатов, объединенных на основе растворимости или степени нейтрализации; где впитывающий композит имеет верхний слой, средний слой и нижний слой; где средний слой расположен между верхним слоем и нижним слоем; и где каждый из САП, TAD и TAR присутствует по меньшей мере в одном из слоев.
7. Впитывающий композит по п.6, где TAD содержит первый растворимый в воде твердый химикат, где TAD имеет профиль высвобождения для высвобождения растворимого в воде твердого химиката, где профиль высвобождения выбран из сингулярного профиля высвобождения или сигмоидального профиля высвобождения; где TAD содержит второй растворимый в воде твердый химикат, где агент, инициирующий повторное набухание, имеет сигмоидальный профиль высвобождения для высвобождения второго растворимого в воде твердого химиката; и где первый растворимый в воде химикат имеет более высокое кумулятивное высвобождение, чем второй растворимый в воде химикат, после воздействия водной жидкости и до около 100% высвобождения.
8. Впитывающий композит по п.6, где средний слой содержит, по существу, только САП; где верхний слой содержит, по существу, только TAD; и где нижний слой содержит, по существу, только TAR.
9. Впитывающий композит по п.6, где средний слой содержит, по существу, только САП; где верхний слой содержит, по существу, только TAD; где нижний слой содержит, по существу, только TAR; и где по меньшей мере один из TAD и TAR расположен, по существу, только в целевой зоне верхнего слоя и/или нижнего слоя, соответственно.
10. Впитывающий композит по п.6, где средний слой содержит, по существу, только САП; и где верхний слой и нижний слой каждый содержат, по существу, только объединенные TAD и TAR.
11. Впитывающий композит по п.6, где средний слой содержит, по существу, только САП; где верхний слой и нижний слой каждый содержат, по существу, только объединенные TAD и TAR; и где TAD и TAR расположены, по существу, только в целевой зоне по меньшей мере одного верхнего слоя и нижнего слоя.
12. Впитывающий композит по п.6, где верхний слой, средний слой и нижний слой каждый содержат, по существу, только один из САП, ТАD и TAR; и где никакие из слоев не являются одинаковыми.
13. Впитывающий композит по п.6, также содержащий первый промежуточный слой и второй промежуточный слой, где первый промежуточный слой расположен между верхним слоем и средним слоем, и где второй промежуточный слой расположен между средним слоем и нижним слоем; где верхний слой, средний слой и нижний слой каждый содержат, по существу, только САП; и где первый промежуточный слой и второй промежуточный слой каждый содержат САП, TAD и TAR.
14. Впитывающий композит по п.6, также содержащий первый промежуточный слой и второй промежуточный слой, где первый промежуточный слой расположен между верхним слоем и средним слоем, и где второй промежуточный слой расположен между средним слоем и нижним слоем; где верхний слой, средний слой и нижний слой каждый содержат, по существу, только САП; где первый промежуточный слой содержит, по существу, только ТАD; и где второй промежуточный слой содержит, по существу, только TAR.
15. Впитывающий композит по п.6, где впитывающий композит присутствует во впитывающем изделии, которое также содержит верхний лист и нижний лист, где впитывающий композит расположен между верхним листом и нижним листом.
RU2010135784/15A 2008-01-30 2009-01-19 Впитывающие изделия, содержащие впитывающие материалы, проявляющие свойства отбухания/вторичного набухания RU2490030C2 (ru)

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