Disposable Absorbent Article With Substantially Continuously Distributed Absorbent Particulate Polymer Material And Method

Abstract

A disposable absorbent core comprises first and second absorbent layers each comprising an absorbent particulate polymer material such that the absorbent particulate polymer material is substantially continuously distributed across an absorbent particulate polymer material area. A disposable absorbent article and method for making the absorbent core are also disclosed.

1 . A method of making a disposable absorbent article comprising:
 depositing absorbent particulate polymer material on a first substrate in a first pattern to form a first absorbent layer such that the absorbent particulate polymer material is discontinuously distributed on the first substrate;   depositing absorbent particulate polymer material on a second substrate in a second pattern to form a second absorbent layer such that the absorbent particulate polymer material is discontinuously distributed on the second substrate;   depositing a thermoplastic adhesive material on the absorbent particulate polymer material and the first and second substrates to cover the absorbent particulate polymer material on the first and second substrates; and   combining said first and second absorbent layers together such that at least a portion of said thermoplastic adhesive material of said first absorbent layer contacts at least a portion of the thermoplastic adhesive material of said second absorbent layer, the absorbent particulate polymer material is disposed between the first and second substrates in an absorbent particulate polymer material area, and the absorbent particulate polymer material is substantially continuously distributed across the absorbent particulate polymer material area.   
     
     
         2 . The method  claim 1 , wherein:
 the step of depositing the absorbent particulate polymer material on the first substrate comprises depositing the absorbent particulate polymer material on the first substrate in a first pattern of land areas and junction areas between the land areas;   the step of depositing the absorbent particulate polymer material on the second substrate comprises depositing the absorbent particulate polymer material on the second substrate in a second pattern of land areas and junction areas between the land areas; and   the step of combining the first and second absorbent layers comprises combining the first and second absorbent layers together such the first and second patterns of absorbent particulate polymer material are offset from one another.   
     
     
         3 . The method  claim 2 , wherein:
 the step of depositing the absorbent particulate polymer material on the first substrate further comprises depositing the absorbent particulate polymer material on the first substrate with a rotating drum having a plurality of conical recesses arranged in a first pattern corresponding to the first pattern of land areas and junction areas for delivering the absorbent particulate polymer material to the first substrate; and   the step of depositing the absorbent particulate polymer material on the second substrate further comprises depositing the absorbent particulate polymer material on the second substrate with a rotating drum having a plurality of conical recesses arranged in a second pattern corresponding to the second pattern of land areas and junction areas for delivering the absorbent particulate polymer material to the second substrate.