RU2020103359A - Впитывающее изделие со сниженным уровнем влажности - Google Patents

Впитывающее изделие со сниженным уровнем влажности Download PDF

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Publication number
RU2020103359A
RU2020103359A RU2020103359A RU2020103359A RU2020103359A RU 2020103359 A RU2020103359 A RU 2020103359A RU 2020103359 A RU2020103359 A RU 2020103359A RU 2020103359 A RU2020103359 A RU 2020103359A RU 2020103359 A RU2020103359 A RU 2020103359A
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Russia
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absorbent article
absorbent
article according
particles
group
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RU2020103359A
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English (en)
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RU2020103359A3 (ru
RU2770214C2 (ru
Inventor
ВанДук ЛИ
Дж. Гэвин МАКДОНАЛЬД
Мишелль МАКБРАЙД
Карин Дж. РОДРИГЕС
Мэттью ВАЛАСКИ
Нил Т. ШОЛ
Юрий ГАЛАБУРА
Марк М. МЛЕЗИВА
Василий А. ТОПОЛКАРАЕВ
Дейв СОУРЕНС
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Кимберли-Кларк Ворлдвайд, Инк.
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Publication of RU2020103359A publication Critical patent/RU2020103359A/ru
Publication of RU2020103359A3 publication Critical patent/RU2020103359A3/ru
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Publication of RU2770214C2 publication Critical patent/RU2770214C2/ru

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    • 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
    • A61F2013/5307—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 quantity or ratio of superabsorbent material
    • 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
    • A61F2013/530708—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
    • 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
    • A61F2013/530708—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
    • A61F2013/530737—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 absorbent capacity
    • 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
    • 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
    • A61F2013/5349—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 being a tissue-wrapped core
    • 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
    • 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
    • A61F13/535—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 inhomogeneous in the plane of the pad, e.g. core absorbent layers being of different sizes
    • A61F2013/5355—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 inhomogeneous in the plane of the pad, e.g. core absorbent layers being of different sizes with terraced core
    • 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
    • A61L2400/00—Materials characterised by their function or physical properties
    • A61L2400/12—Nanosized materials, e.g. nanofibres, nanoparticles, nanowires, nanotubes; Nanostructured surfaces

Claims (26)

1. Впитывающее изделие, содержащее впитывающий элемент, расположенный между верхним листом и нижним листом, где впитывающий элемент содержит по меньшей мере один слой, который содержит пористые сверхвпитывающие частицы, где частицы содержат поровую сеть, которая включает множество нанопор, и при этом нанопоры характеризуются средним размером поперечного сечения от приблизительно 10 до приблизительно 500 нанометров, при этом частицы характеризуются микроклиматом с относительной влажностью приблизительно 67% или меньше после воздействия атмосферы с температурой приблизительно 23°C и относительной влажностью 80% в течение периода времени приблизительно 20 минут.
2. Впитывающее изделие по п. 1, где слой дополнительно содержит волокнистый материал.
3. Впитывающее изделие по п. 2, где волокнистый материал включает впитывающие волокна, синтетические полимерные волокна или их комбинацию.
4. Впитывающее изделие по п. 3, где впитывающие волокна содержат волокна пульпы.
5. Впитывающее изделие по п. 3, где синтетические полимерные волокна включают волокна мелтблаун.
6. Впитывающее изделие по п. 1, где сверхвпитывающие частицы смешаны в матрице из волокнистого материала.
7. Впитывающее изделие по п. 1, где сверхвпитывающие частицы составляют от приблизительно 20 вес. % до приблизительно 90 вес. % слоя впитывающего элемента.
8. Впитывающее изделие по п. 1, где сверхвпитывающие частицы характеризуются скоростью впитывания, составляющей приблизительно 300 г/г/кс или больше после приведения в контакт с 0,9 вес. % водным раствором хлорида натрия в течение 0,015 килосекунды.
9. Впитывающее изделие по п. 1, где сверхвпитывающие частицы характеризуются временем существования вихря, составляющим приблизительно 80 секунд или меньше.
10. Впитывающее изделие по п. 1, где частицы характеризуются скоростью впитывания, составляющей от приблизительно 600 до приблизительно 1500 г/г/кс или больше после приведения в контакт с 0,9 вес. % водным раствором хлорида натрия в течение 0,015 килосекунды.
11. Впитывающее изделие по п. 1, где сверхвпитывающие частицы характеризуются общей впитывающей способностью, составляющей приблизительно 10 г/г или больше после приведения в контакт с 0,9 вес. % водным раствором хлорида натрия в течение 3,6 килосекунды.
12. Впитывающее изделие по п. 1, где частицы характеризуются удерживающей способностью при центрифугировании, составляющей приблизительно 20 г/г или больше.
13. Впитывающее изделие по п. 1, где частицы характеризуются микроклиматом с относительной влажностью, составляющей приблизительно 67% или меньше после воздействия атмосферы с температурой приблизительно 23°C и относительной влажностью 80% в течение периода времени от приблизительно 20 минут до приблизительно 150 минут.
14. Впитывающее изделие по п. 1, где нанопоры характеризуются средним размером поперечного сечения от приблизительно 15 до приблизительно 450 нанометров.
15. Впитывающее изделие по п. 14, где поровая сеть дополнительно содержит микропоры.
16. Впитывающее изделие по п. 14, где по меньшей мере приблизительно 25 об. % поровой сети образовано нанопорами.
17. Впитывающее изделие по п. 1, где частицы образованы из сшитого полимера, который содержит повторяющиеся звенья, полученные из одного или более этиленненасыщенных мономерных соединений, содержащих по меньшей мере один гидрофильный радикал.
18. Впитывающее изделие по п. 17, где мономерные соединения представляют собой моноэтиленненасыщенные соединения.
19. Впитывающее изделие по п. 17, где гидрофильный радикал включает карбоксильную группу, группу ангидрида карбоновой кислоты, соли карбоновой кислоты, сульфоновой кислоты, соли сульфоновой кислоты, гидроксильную, эфирную, амидную группу, аминогруппу, группу соли четвертичного аммония или их комбинацию.
20. Впитывающее изделие по п. 17, где полимер содержит повторяющиеся звенья, полученные из мономерного соединения на основе (мет)акриловой кислоты или ее соли.
21. Впитывающее изделие по п. 17, где полимер содержит алкоксисилановую функциональную группу.
22. Впитывающее изделие по п. 1, где частицы характеризуются медианным размером от приблизительно 50 до приблизительно 2000 микрометров.
23. Впитывающее изделие по п. 1, где частицы характеризуются удельной площадью поверхности приблизительно 0,2 квадратного метра на грамм или больше, определенной в соответствии с ISO 9277:2010.
24. Впитывающее изделие по п. 1, где впитывающий элемент содержит впитывающую сердцевину, которая включает сверхвпитывающие частицы.
25. Впитывающее изделие по п. 24, где впитывающий элемент дополнительно содержит принимающий слой, расположенный рядом со впитывающей сердцевиной.
26. Впитывающее изделие по п. 25, где оберточный слой покрывает впитывающую сердцевину.
RU2020103359A 2017-07-28 2018-07-20 Впитывающее изделие со сниженным уровнем влажности RU2770214C2 (ru)

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