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US 9,636,890 B2Granted
Laminates with bonded webs
AssigneeThe Procter & Gamble Company
InventorsJonathan Aaron Lu, Robert Haines Turner, Lisa Marie Reynolds, Thomas Burkhart, Helmut Hartl, Deying Kong, David D. Newkirk
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Abstract
Laminates with a layer of bonded nonwoven material attached to a layer of film.
Claims13
A laminate comprising a layer of nonwoven material attached to a layer of film, wherein:
- the layer of nonwoven material comprises filaments of a first polymer and a second polymer;
- the first polymer has a first melt temperature, and the second polymer has a second melt temperature, wherein the second melt temperature is higher than the first melt temperature, and wherein the first polymer and the second polymer form a multicomponent filament wherein in cross section two distinct identifiable areas extending continuously along the length of the filament are present;
- the layer of nonwoven material is thermally bonded;
- the layer of nonwoven material has a machine direction and a cross direction;
- the layer of nonwoven material has:
- a neckdown modulus in the cross direction that is greater than or equal to 1000 N/m and less than or equal to 3000 N/m;
- a tensile strength in the cross direction that is less than or equal to 4 N/cm;
- and
- an extensibility in the cross direction that is greater than or equal to 80% and less than or equal to 300%.
6 more elements
A laminate comprising a layer of nonwoven material attached to a layer of film, wherein:
- the layer of nonwoven material comprises filaments of a first polymer and a second polymer;
- the first polymer has a first melt temperature, and the second polymer has a second melt temperature, wherein the second melt temperature is higher than the first melt temperature, and wherein the first polymer and the second polymer form a multicomponent filament wherein in cross section two distinct identifiable areas extending continuously along the length of the filament are present;
- the layer of nonwoven material is thermally bonded;
- the layer of nonwoven material has a machine direction and a cross direction;
- the layer of nonwoven material has:
- a neckdown modulus in the cross direction that is greater than or equal to 1000 N/m;
- a tensile strength in the cross direction that is less than or equal to 4 N/cm;
- and
- an extensibility in the cross direction that is greater than or equal to 80% and less than or equal to 300%.
6 more elements
Dependencies are inferred from the claim text.