Breathable absorbent articles
AssigneeThe Procter & Gamble Company
InventorsCHRISTOPHER PHILIP BEWICK-SONNTAG, GIOVANNI CARLUCCI, ACHILLE DI CINTIO
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Abstract
The present invention relates to absorbent articles in particular sanitary napkins with inproved comfort, particularly by the use of breathable backsheets whilst maintaining protection level performance. This has been achieved by the selection of individuall components of the absorbent article meeting specified requirements which are joined such that the absorbent article meets specific criteria in terms of comfrt and protection.
Claims17
A disposable absorbent article comprising the following elements:
- a liquid pervious topsheet, an absorbent core and al breathable backsheet, said absorbent core being positioned intermediate said topsheet and said backsheet, said topsheet, core and backsheet each comprising at least one layer,
- wherein said topsheet has a liquid retention of less than 0.22g for a 2.0g load in the topsheet liquid retention test, wherein said core has a caliper of less than 12mm and has a vapour permeability of at least 200g/m2/24hrs. as defined in the vapour permeability test and, wherein said breathable backsheet has a liquid permeability of less than 0.16g for a 15m1. load as defined in the liquid permeability test, and
- wherein said elements are joined such that said absorbent article has a dryness index of greater than 0.5 and a sensory index of greater than 50.
A disposable absorbent article according to any one of the preceding claims, wherein said breathable backsheet element comprises at least two layers, wherein each said layer has a wearer facing surface and a garment facing surface, each of said garment facing surfaces forming a common interface with an adjacent wearer facing surface of an adjacent layer, and wherein adjacent layers are joined across less than 40% of said common interface of said adjacent layers.
A disposable absorbent article according to any one of the preceding claims, wherein said wearer facing surface and said garment facing surface forming said common interface are joined by spiral sprayed adhesive or fusion bonding.
A disposable absorbent article according to any one of the preceding claims, wherein said garment facing surface of said breathable backsheet has an adhesive fastening means.
A disposable absorbent article according to any one of the preceding claims, wherein said topsheet has a liquid retention of less than 0.15g for a 2.0g load in the topsheet retention test.
A disposable absorbent article according to any one of the preceding claims, wherein said core has a caliper of less than 8mm.
A disposable absorbent article according to any one of the preceding claims, wherein said core has a vapour permeability of greater than 600g/m2l24hrs. as defined in the vapour permeability test
A disposable absorbent article according to any one of the preceding claims, wherein said breathable backsheet has a liquid permeability of less than 0.10g for a 15mi. load as defined in the liquid permeability test.
A disposable absorbent article according to any one of the preceding claims, wherein said absorbent article has a sensory index of greater than 100.
A disposable article according to any one of the preceding claims, wherein said absorbent article has a dryness index of greater than 2.
A disposable absorbent article according to any one of the preceding claims, wherein said article has a flexibility of less than 1.5N as defined in the flexibility test.
A disposable absorbent article according to any one of the preceding claims wherein said article is a sanitary napkin.
Dependencies are inferred from the claim text.