RU2017104454A - Нетканое полотно - Google Patents

Нетканое полотно Download PDF

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Publication number
RU2017104454A
RU2017104454A RU2017104454A RU2017104454A RU2017104454A RU 2017104454 A RU2017104454 A RU 2017104454A RU 2017104454 A RU2017104454 A RU 2017104454A RU 2017104454 A RU2017104454 A RU 2017104454A RU 2017104454 A RU2017104454 A RU 2017104454A
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RU
Russia
Prior art keywords
nonwoven layer
nonwoven
fibers
additive
nonwoven fabric
Prior art date
Application number
RU2017104454A
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English (en)
Other versions
RU2017104454A3 (ru
RU2677084C2 (ru
Inventor
Джон Ли ХАММОНС
Келин Энн АРОРА
Дин Ларри ДЮВАЛЬ
Стефани Мишель НЕЙЗГОДА
Раджив ЧАБРА
Original Assignee
Дзе Проктер Энд Гэмбл Компани
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Application filed by Дзе Проктер Энд Гэмбл Компани filed Critical Дзе Проктер Энд Гэмбл Компани
Publication of RU2017104454A3 publication Critical patent/RU2017104454A3/ru
Publication of RU2017104454A publication Critical patent/RU2017104454A/ru
Application granted granted Critical
Publication of RU2677084C2 publication Critical patent/RU2677084C2/ru

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Classifications

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    • A61F13/00—Bandages or dressings; Absorbent pads
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    • A61F13/51—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 outer layers of the pads
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    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/51113—Topsheet, i.e. the permeable cover or layer facing the skin comprising an additive, e.g. lotion or odour control
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Claims (29)

1. Нетканое полотно для применения в абсорбирующем изделии, при этом нетканое полотно содержит:
первый нетканый слой, содержащий первое множество волокон, первую сторону и вторую сторону, противоположную первой стороне, первое множество отверстий, протяженных через первый нетканый слой от первой стороны ко второй стороне, при этом первый нетканый слой содержит добавку, расположенную по меньшей мере частично по меньшей мере на части первого множества волокон; и
второй нетканый слой, содержащий второе множество волокон, первую сторону и вторую сторону, противоположную первой стороне, при этом второй нетканый слой прикреплен к первому нетканому слою так, что по меньшей мере часть второго множества волокон находится в жидкостном сообщении с первым множеством отверстий, при этом первый нетканый слой выполнен гидрофобным, а второй нетканый слой выполнен гидрофильным.
2. Нетканое полотно по п. 1, в котором второй нетканый слой содержит второе множество отверстий, по существу совмещенных с отверстиями первого нетканого слоя.
3. Нетканое полотно по п. 1, в котором добавка содержит гидрофобный материал, характеризующийся значением гидрофильно-липофильного баланса (HLB) от 0 до 4.
4. Нетканое полотно по п. 3, в котором добавка характеризуется температурой плавления в диапазоне от приблизительно 40°С до приблизительно 80°С.
5. Нетканое полотно по п. 4, в котором добавка содержит тристеарат глицерина.
6. Нетканое полотно по п. 2, в котором первый нетканый слой и второй нетканый слой скреплены вокруг по меньшей мере части периферии каждого отверстия.
7. Нетканое полотно по п. 1, в котором первое множество волокон содержит двухкомпонентные волокна.
8. Нетканое полотно по п. 1, в котором добавка присутствует в первом нетканом слое в количестве от приблизительно 0,5 вес. % до приблизительно 15 вес. %.
9. Нетканое полотно по п. 1, в котором первое множество волокон содержит двухкомпонентные волокна, содержащие полиэтилен и полипропилен, расположенные в конфигурации оболочка / сердцевина.
10. Нетканое полотно по п. 9, в котором добавка нанесена на первый нетканый слой с обеспечением плотности от приблизительно 0,1 г/м2 до приблизительно 10 г/м2.
11. Нетканое полотно по п. 9, в котором добавка обеспечена с различными уровнями содержания в каждом компоненте двухкомпонентного волокна.
12. Нетканое полотно по п. 1, в котором первое множество волокон содержит двухкомпонентные волокна, содержащие первый полипропилен и второй полипропилен, расположенные в конфигурации бок-о-бок.
13. Нетканое полотно по п. 1, дополнительно содержащее множество пучков, протяженных над первой стороной первого нетканого слоя.
14. Нетканое полотно для применения в абсорбирующем изделии, при этом нетканое полотно содержит:
первый нетканый слой, содержащий первое множество волокон, первую сторону и вторую сторону, противоположную первой стороне, при этом вторая сторона содержит множество разрывов, при этом первый нетканый слой содержит добавку, расположенную по меньшей мере частично по меньшей мере на части первого множества волокон; и
второй нетканый слой, содержащий второе множество волокон, первую поверхность и вторую поверхность, противоположную первой поверхности, и множество пучков, протяженных через по меньшей мере часть разрывов в первом нетканом слое, при этом второй нетканый слой прикреплен к первому нетканому слою так, что по меньшей мере часть второго множества волокон находится в жидкостном сообщении с первым нетканым слоем, при этом первый нетканый слой выполнен гидрофобным, а второй нетканый слой выполнен гидрофильным.
15. Нетканое полотно по п. 14, в котором первый нетканый слой содержит первое множество отверстий, и при этом второй нетканый слой содержит второе множество отверстий, по существу совмещенных с первым множеством отверстий первого нетканого слоя.
16. Нетканое полотно по п. 14, в котором добавка содержит гидрофобный материал, характеризующийся значением HLB от 0 до 4.
17. Нетканое полотно по п. 16, в котором добавка характеризуется температурой плавления в диапазоне от приблизительно 40°С до приблизительно 80°С.
18. Нетканое полотно по п. 17, в котором добавка содержит тристеарат глицерина.
19. Нетканое полотно по п. 14, в котором первое множество волокон содержит двухкомпонентные волокна.
20. Нетканое полотно по п. 19, в котором добавка присутствует в первом нетканом слое в количестве от приблизительно 1 вес. % до приблизительно 15 вес. %.
21. Нетканое полотно по п. 14, в котором первое множество волокон содержит выполненные извитыми двухкомпонентные волокна, содержащие первый полипропилен и второй полипропилен, расположенные в конфигурации бок-о-бок.
22. Нетканое полотно по п. 21, в котором добавка нанесена на первый нетканый слой с обеспечением плотности от приблизительно 0,1 г/м2 до приблизительно 10 г/м2.
23. Нетканое полотно по п. 22, в котором добавка обеспечена с различными уровнями содержания в каждом компоненте.
24. Нетканое полотно по п. 14, в котором первый нетканый слой дополнительно содержит множество выступающих элементов, при этом каждый из множества выступающих элементов расположен над первой поверхностью первого нетканого слоя, и при этом каждый из множества выступающих элементов по меньшей мере частично перекрывает отверстие множества разрывов.
25. Нетканое полотно по п. 14, в котором первое множество волокон содержит двухкомпонентные волокна, содержащие полиэтилен и полипропилен, расположенные в конфигурации оболочка / сердцевина.
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BR112017004752A2 (pt) 2017-12-05
US20200129345A1 (en) 2020-04-30
RU2677084C2 (ru) 2019-01-15
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CN116270032A (zh) 2023-06-23
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US20160067118A1 (en) 2016-03-10

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