Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1995-06-30
1998-09-29
Bell, James J.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156 85, 156163, 156229, 428198, 4283159, B32B 3100
Patent
active
058141782
ABSTRACT:
The present invention provides a process for producing a three dimensionally texturized liquid resistant laminate having a fibrous nonwoven layer and a liquid resistant layer. The process has the steps of placing the fibrous layer and the liquid resistant layer in juxtaposition to form a laminate, attaching the fibrous layer and the liquid resistant layer at a plurality of spaced-apart bond locations, heating the bonded laminate to a temperature that activates the latent shrinkability of the liquid resistant layer, and allowing the heated laminate to retract such that the liquid resistant layer shrinks and said fibrous layer forms gathers between said bond locations, thereby forming a three dimensional texture and heat annealing the laminate. The invention additionally provides a three dimensionally texturized laminate having a fibrous layer and a nonelastic liquid resistant layer. The layers of the laminate are joined at a multitude of spaced-apart bond sites, and the laminate is heat annealed, wherein the fibrous layer forms gathers between spaced-apart bond sites to provide the three dimensional texture and the laminate has a liquid resistant layer to fibrous layer length ratio between about 0.7 and about 0.95.
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Bell James J.
Herrick William D.
Kimberly--Clark Worldwide, Inc.
Lee Michael U.
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