Apertured abrasive absorbent composite nonwoven web
AssigneeKimberly-Clark Corporation
InventorsKenneth J. G. Currie, Philip J. Mogel
Life of this patent
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Abstract
An absorbent, abrasive composite nonwoven web (42) may include at least four layers with two of the layers being formed by meltblowing (10, 54) and two of the layers being supporting carrier layers (14, 58). One of the meltblown layers is an abrasive surface layer (10) formed from a coarse, shot-laden meltblown layer (10) while another meltblown layer is disposed in the interior of the composite web (42) and is adapted to provide absorbency characteristics to composite. The carrier layers (14,58) may be formed from spunbonded webs. The abrasive surface layer (10) and its supporting carrier layer (14) are joined together by hot pin aperturing.
Claims27
A composite nonwoven web comprising a coarse, shot-laden meltblown layer formed from a thermoplastic material, the coarse, shot-laden meltblown layer being a surface layer of the composite nonwoven web;
- a first supporting carrier layer immediately adjacent the coarse, shot-laden meltblown layer, the supporting carrier layer being formed from a thermoplastic material;
- an absorbent meltblown layer formed from a thermoplastic material, the absorbent meltblown layer being an interior layer of the nonwoven web;
- and a second supporting carrier layer immediately adjacent the absorbent meltblown layer, the second supporting carrier layer being formed from a thermoplastic material;
- wherein the coarse, shot-laden meltblown surface layer and the first supporting carrier layer are formed into a three-dimensional matrix of generally conical protrusions which taper to an aperture extending through the two layers.
A composite nonwoven web adapted for use as a wipe, said web comprising:
- a coarse, shot-laden meltblown layer formed from a thermoplastic material, the coarse, shot-laden meltblown layer being a surface layer of the composite nonwoven web;
- a first supporting carrier layer immediately adjacent the coarse, shot-laden meltblown layer, the supporting carrier layer being formed from a thermoplastic material;
- an absorbent meltblown layer form from a thermoplastic material, the absorbent meltblown layer being an interior layer of the nonwoven web;
- a second supporting carrier layer immediately adjacent the absorbent meltblown layer, the second supporting carrier layer being formed from a thermoplastic material;
- and
- a three-dimensional matrix of generally conical protrusions which taper to an aperture extending through two layers, the conical protrusions being composed of the coarse, shot-laden meltblown surface layer and the first supporting carrier layer.
Dependencies are inferred from the claim text.