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    • 6. 发明专利
    • FR2529235B1
    • 1986-08-14
    • FR8310054
    • 1983-06-17
    • KIMBERLY CLARK CO
    • WAHLQUIST JOSEPH DSHULTZ JAY S
    • B32B5/02B32B27/12D04H1/56D04H5/06D04H5/08
    • An absorbent impervious barrier fabric in the form of a laminate has a fibrous section including a mat of polymeric melt blown microfibers and an impervious polymeric film adjacent said mat, said fibrous section and film being united in compacted bond regions formed by the application of heat and pressure and comprising pillars of bonds extending completely through the fabric from the outer surface where the fibrous elements are fused to the interface between the mat and the film where microfibers are fused to the film without disrupting the imperviousness of the film, the bond intensity tapering from said fused regions toward the essentially unbonded central plane of said mat to provide a double gradient in bond intensity in said pillars of bonds. One embodiment of the fabric has a fibrous section with a surface layer web of continuous and randomly deposited filaments and a microfiber mat with the web having intermittently discrete prebonded regions in addition to the compacted bond regions. Another embodiment has a fibrous section solely of a microfiber mat.
    • 8. 发明专利
    • INCREASED PILE DENSITY COMPOSITE ELASTIC MATERIAL
    • CA2077247C
    • 2002-10-08
    • CA2077247
    • 1992-08-31
    • KIMBERLY CLARK CO
    • COHEN BERNARDROEDER ROBERT JSHULTZ JAY SVENKATAPATHY RAJU
    • B32B5/04B32B5/06B32B27/12
    • Disclosed is a method of making a lanate composite elastic material including the steps of applying a tensioning force to elongate at least one elastic sheet; inserting substantially individualized fibrous materials into the elastic sheet by mechanical needling the elastic sheet while it is maintained in an elongated condition; and releasing the tensioning force so the attached fibrous materials are positioned closer together by the recovery of the elastic sheet. The resulting lanate composite elastic material has stretch and recovery properties, bulk, and desirable insulation properties. One or more layers of the lanate composite material may be combined with other layers of material to create a multi-layer structure. Also disclosed is a method of making in increased pile density composite elastic material including the step inserting substantially individualized fibrous materials into an elongated elastic sheet by stitchbonding, malipole stitchbonding, or tufting or adhering substantially individualized fibrous materials to an elongated elastic sheet by flocking techniques. The density of attached fibrous materials in the resulting increased pile density composite elastic material is greater than could be achieved by conventional fiber insertion or adherence techniques while still maintaining desirable elastic properties and bulk.