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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0386244 (1995-02-09) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 339 인용 특허 : 0 |
Disclosed herein is a lofty fibrous nonwoven web which is particularly well-suited for use as a surge layer in personal care absorbent articles including, but not limited to, diapers, training pants, incontinence garments, sanitary napkins, bandages and the like. The fibrous nonwoven web is made fro
Disclosed herein is a lofty fibrous nonwoven web which is particularly well-suited for use as a surge layer in personal care absorbent articles including, but not limited to, diapers, training pants, incontinence garments, sanitary napkins, bandages and the like. The fibrous nonwoven web is made from a plurality of fibers heat bonded to one another to form a lofty nonwoven web having a basis weight of at least 20 grams per square meter, a void volume of between about 80 and about 117 centimeters per gram of web while under a pressure of 689 dynes per square centimeter, a permeability of about 8,000 to about 15,000 darcy, a porosity of about 98.6 percent to about 99.4 percent and a surface area per void of about 10 to about 25 square centimeters per cubic centimeter. The fibrous nonwoven web will have a saturation capacity of between about 55 and about 80 grams of 0.9 percent saline solution per gram of web and a compression resilience in both the wet and dry state of at least about 60 percent.
A fibrous nonwoven web comprising: a plurality of thermoplastic fibers heat bonded to one another to form a lofty nonwoven web having a basis weight of at least 20 grams per square meter, a void volume of between about 80 and about 117 cubic centimeters per gram of web at 689 dynes per square centim
A fibrous nonwoven web comprising: a plurality of thermoplastic fibers heat bonded to one another to form a lofty nonwoven web having a basis weight of at least 20 grams per square meter, a void volume of between about 80 and about 117 cubic centimeters per gram of web at 689 dynes per square centimeter pressure, a permeability of about 8,000 to about 15,000 darcy, a porosity of about 98.6% to about 99.4% and a surface area per void volume of about 10 to about 25 square centimeters per cubic centimeter.
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