Title:
多層不織布
Document Type and Number:
Japanese Patent JP4521274
Kind Code:
B2
Abstract:
A nonwoven fabric includes a first composite layer that includes from about 50% to about 90% by weight non-thermoplastic absorbent staple fibers and from about 10% to about 50% by weight thermoplastic fibers. A preponderance of the fibers at a first outer surface of the first composite layer comprise non-thermoplastic absorbent staple fibers and a preponderance of the fibers at a second outer surface of the first composite layer comprise thermoplastic fibers. The nonwoven fabric further includes a second composite layer that includes from about 50% to about 90% by weight non-thermoplastic absorbent staple fibers and from about 10% to about 50% by weight thermoplastic fibers. The second composite layer is adjacent the second outer surface of the first composite layer. The nonwoven fabric further includes bonded regions wherein a portion of the thermoplastic fibers of the first composite layer are fused to a portion of the thermoplastic fibers of the second composite layer, and further wherein the bonded regions have a plurality of contiguous voids.
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Inventors:
Tomasevsky Craig F
Brown Lawrence M
Brown Lawrence M
Application Number:
JP2004534274A
Publication Date:
August 11, 2010
Filing Date:
August 08, 2003
Export Citation:
Assignee:
Kimberly Clark Worldwide Incorporated
International Classes:
A47L13/16; D04H1/54; B32B5/06; B32B5/26; B32B7/08; D04H13/00
Domestic Patent References:
| JP7155595A | ||||
| JP2000514883A | ||||
| JP2003531306A | ||||
| JP10262883A |
Foreign References:
| WO1996041045A2 |
Attorney, Agent or Firm:
Yoichi Oshima