Absorbent articles with tear resistant film
AssigneeThe Procter & Gamble Company
InventorTodd Leon Mansfield
Life of this patent
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Abstract
A disposable absorbent article that includes an elastic film material. The elastic film resists the growth of a tear and include an SEEPS block copolymer having a Tm of between about 10° C. and about 20° C. The film has a time-to-fail of greater than 1 hour.
Claims20
A disposable absorbent article comprising an elastic film material that resists the growth of a tear, the elastic film material having a Tm of between about 10° C. and about 20° C. and a time-to-fail of greater than 1 hour according to the Slow Tear Test.
A disposable absorbent article for wearing about the lower torso of a wearer, the absorbent article comprising:
- a topsheet, a backsheet, and an absorbent core disposed therebetween, first and second opposing longitudinal side edges, a front waist region and an opposing back waist region;
- a first ear extending outwardly from the first longitudinal side edge in the back waist region and joined to at least one of the topsheet, the backsheet, and the absorbent core;
- a second ear extending outwardly from the second longitudinal side edge in the back waist region and joined to at least one of the topsheet, the backsheet, and the absorbent core;
- at least one of the first and second ears comprising a laminate comprising a tear resistant elastic film material disposed between two nonwoven layers;
- wherein a least a portion of one of the two nonwoven layers is activated and the laminate has a laminate integrity time of greater than 2 hours according to the Laminate Integrity Test;
- and
- wherein the elastic film material has a time-to-fail of greater than 1 hour according to the Slow Tear Test and includes at least one SEEPS block copolymer having a Tm of between about 10° C. and about 20° C.
A prefastened pant comprising an elastic film material that resists the growth of a tear, the elastic film material comprising:
- an SEEPS block copolymer having a Tm of between about 10° C. and about 20° C. wherein the film material has a time-to-fail of greater than 1 hour according to the Slow Tear Test.
Dependencies are inferred from the claim text.