Wearable article with outwardmost layer of multicomponent fiber nonwoven providing enhanced mechanical features
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61F-013/62
A61F-013/514
출원번호
US-0682160
(2015-04-09)
등록번호
US-9744085
(2017-08-29)
발명자
/ 주소
Ashraf, Arman
Rane, Shrish Yashwant
Kline, Mark James
Liu, Fang
출원인 / 주소
The Procter & Gamble Company
대리인 / 주소
Best, Christian M.
인용정보
피인용 횟수 :
0인용 특허 :
93
초록▼
A fastening system comprising a nonwoven web material operable to fastenably engage a fastening component is disclosed. The nonwoven web material may comprising multicomponent fibers having a polyolefin component and a polyamide component, and a machine direction bias. The nonwoven web material may
A fastening system comprising a nonwoven web material operable to fastenably engage a fastening component is disclosed. The nonwoven web material may comprising multicomponent fibers having a polyolefin component and a polyamide component, and a machine direction bias. The nonwoven web material may bear an impressed pattern of thermal bonds having an average frequency along any line that can be identified in the machine direction, of at least 0.5 bonds per cm.
대표청구항▼
1. A landing zone comprising a nonwoven web material operable to fastenably engage a fastening component, the nonwoven web material comprising multicomponent fibers, wherein: the multicomponent fibers have a polyolefin fiber component and a polyamide fiber component;the nonwoven web material has a m
1. A landing zone comprising a nonwoven web material operable to fastenably engage a fastening component, the nonwoven web material comprising multicomponent fibers, wherein: the multicomponent fibers have a polyolefin fiber component and a polyamide fiber component;the nonwoven web material has a machine direction, the multicomponent fibers have a machine direction bias, and the nonwoven web material bears an impressed pattern of thermal bonds; andthe pattern of thermal bonds has an average frequency along any line that can be identified in the machine direction, of at least 0.5 bonds per cm. 2. The landing zone of claim 1, wherein the nonwoven web material comprises at least two layers of fibers including an underlying layer and an outward-facing layer comprising the multicomponent fibers. 3. The landing zone of claim 1, wherein the multicomponent fibers comprise from about 10% to about 50% by weight of the polyamide fiber component. 4. The landing zone of claim 1, wherein the polyamide fiber component is selected from the group consisting of polyamide 6, polyamide 6-6, a copolymer of polyamide 6 and polyamide 6-6, polyamide 6-10, polyamide 6-12, and combinations thereof. 5. The landing zone of claim 1, wherein the polyolefin is a polypropylene. 6. The landing zone of claim 1, wherein the melting temperatures of the polyolefin fiber component and the polyamide fiber component are within about 40° C. to about 120° C. of each other. 7. The landing zone of claim 1, wherein the respective densities of the polyolefin fiber component and the polyamide fiber component are within about 0.11 g/cm to about 0.45 g/cm of each other. 8. The landing zone of claim 2, wherein the underlying layer comprises monocomponent fibers formed of polyolefin. 9. The landing zone of claim 8, wherein the polyolefin comprises polypropylene. 10. A diaper comprising the landing zone of claim 1. 11. The landing zone of claim 1, wherein the pattern of thermal bonds comprises a first unit pattern and a second unit pattern, and wherein the first unit pattern is the same as the second unit pattern. 12. The landing zone of claim 1, wherein the pattern of thermal bonds comprises a unit pattern, wherein the unit pattern comprises a first segment having a first slope, wherein the unit pattern comprises a second segment having a second slope, and wherein the first slope is different than the second slope. 13. The landing zone of claim 1, wherein the pattern of thermal bonds comprises a unit pattern, wherein the unit pattern comprises a first segment having a positive slope, and wherein the unit pattern comprises a second segment having a negative slope. 14. A landing zone for an absorbent article comprising a nonwoven web material configured to receive a fastening component, the nonwoven web material comprising multicomponent fibers, wherein: the multicomponent fibers have a polyolefin fiber component and a polyamide fiber component;the nonwoven web material has a machine direction, the multicomponent fibers have a machine direction bias, and the nonwoven web material bears an impressed pattern of thermal bonds; andthe pattern of thermal bonds has an average frequency along any line that can be identified in the machine direction, of at least 0.5 bonds per cm. 15. The landing zone of claim 14, wherein the pattern of thermal bonds comprises a first unit pattern and a second unit pattern, and wherein the first unit pattern is the same as the second unit pattern. 16. The landing zone of claim 14, wherein the pattern of thermal bonds comprises a unit pattern, wherein the unit pattern comprises a first segment having a first slope, wherein the unit pattern comprises a second segment having a second slope, and wherein the first slope is different than the second slope. 17. The landing zone of claim 14, wherein the pattern of thermal bonds comprises a unit pattern, wherein the unit pattern comprises a first segment having a positive slope, and wherein the unit pattern comprises a second segment having a negative slope. 18. The landing zone of claim 17, wherein an acute angle is formed into the pattern of thermal bonds between the first segment and the second segment. 19. A outer layer component of a multilayer backsheet for an absorbent article, the outer layer component comprising a landing zone, the landing zone comprising a nonwoven web material configured to receive a fastening component, the nonwoven web material comprising multicomponent fibers, wherein: the multicomponent fibers have a polyolefin fiber component and a polyamide fiber component;the nonwoven web material has a machine direction, the multicomponent fibers have a machine direction bias, and the nonwoven web material bears an impressed pattern of thermal bonds; andthe pattern of thermal bonds has an average frequency along any line that can be identified in the machine direction, of at least 0.5 bonds per cm. 20. The landing zone of claim 19, wherein the pattern of thermal bonds comprises a unit pattern, wherein the unit pattern comprises a first segment having a positive slope, and wherein the unit pattern comprises a second segment having a negative slope.
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