Gecko-like fasteners for disposable articles

A one-time, product technology, used in medical science, thin material handling, adhesives, etc., can solve problems such as magnet limitations

Inactive Publication Date: 2007-01-17
KIMBERLY-CLARK WORLDWIDE INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Magnets can also overcome some of the drawbacks of traditional glue-like bonding materials; however, magnets are limited to ferrous materials
This difficulty becomes especially prominent when fastening disposable absorbent articles

Method used

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  • Gecko-like fasteners for disposable articles
  • Gecko-like fasteners for disposable articles
  • Gecko-like fasteners for disposable articles

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0120] A hypothetical example of the production of synthetic setae using surface-initiated polymerization is shown in Figure 11 middle. In part "a", a self-assembled monolayer of 4'-nitro-1,1'-biphenyl-4-thiol (NBT) on Au(III) was subjected to electron beam irradiation. Protect the rest of the surface with a cutout mask. In part "b", irradiation produces intralayer crosslinking and conversion of chain-terminal nitro groups to amino groups, resulting in crosslinked 4'-amino-1,1'-biphenyl-4-sulfur alcohol monolayer. In part "c", the chain-terminal amino group is diazotized and treated with methylmalononitrile resulting in 4'-azomethylmalononitrile-1,1'-biphenyl-4-thiol ( cAMBT) surface-bonded monolayer. cAMBT functions as an asymmetric azo initiator. Finally, in part "d", surface-initiated free radical polymerization of vinyl monomer (styrene) is initiated by heating. This free-radical polymerization leads to the formation of a polymer layer only in the irradiated areas. ...

example 2

[0122] In another hypothetical example, the adhesive bristles are placed on the substrate so that they hide in the valleys and grooves of the substrate surface (side view, see Figure 12A ). These furrows are intended to protect the bristles from contamination during the manufacturing process, for example, during the assembly of absorbent articles. When in use, the adhesive material is activated by appropriate stretching in a direction perpendicular to the groove. Such stretching opens up the grooves and enables the adhesive bristles to engage in interaction with the mounting surface (not shown).

[0123] Another instance is represented in Figure 12B middle. In this example, a substrate, on which the adhesive bristles / bristles are mounted, is laminated to a film 71 which provides additional protection when not in use. In this case, the mechanism of activation may be to stretch the substrate in a direction perpendicular to the grooves, causing rupture of the protective fil...

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Abstract

Disposable absorbent article having nano-fabricated fastening means having adhesive bristles disposed on a substrate wherein said bristles effectively and adhesively engage a polymeric film or fibrous web on the opposite surface. In another embodiment, an absorbent article has a gecko closure comprising a substrate, a plurality of bonded bristles rising from the substrate, the bristles having a root segment, a middle segment and a tip segment, and having a height of about 0.5 μm to About 8 mm, with a diameter greater than about 0.05 μm.

Description

technical field [0001] The invention relates to a gecko buckle for disposable products. Background technique [0002] Adhesive materials traditionally consist of wet, glue-like substances that are tacky to the touch and tend to leave a residue when removed. Additionally, these substances are often limited in use. For example, they are less effective in water, in a vacuum, on some plastics, on some cloths. Hook-and-loop fasteners (in this translation, "buckle" will be synonymous with "fastening (piece)") can overcome some of the shortcomings of traditional adhesive materials such as glue; Faces (i.e., two separate surfaces intended to engage each other) are required for this type of clasp to function. Magnets can also overcome some of the drawbacks of traditional glue-like bonding materials; however, magnets are limited to ferrous materials. This difficulty becomes especially pronounced when fastening disposable absorbent articles. [0003] Geckos have an amazing ability...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F13/58A61F13/56C09J7/00
CPCA61F13/5622C09J2201/24A61F13/58A61F13/5611C09J7/02C09J2201/626C09J7/00Y10T428/24017Y10T428/24Y10T428/24008C09J2301/202C09J2301/31A61F13/56
Inventor J·D·林赛陈芳洲于丽莎N·埃弗雷默瓦
Owner KIMBERLY-CLARK WORLDWIDE INC
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