Biodegradable, compostable diaper and method of manufacture thereof
AssigneeZeta Group (Nz) Limited
InventorSheng LIU
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Abstract
Described herein is a disposable diaper that is substantially bio based and/or biodegradable. The diaper comprises a biodegradable top sheet, a biodegradable super absorbent core and biodegradable water resistant outer layer that is liquid impervious and a breathable bottom sheet, wherein the top sheet is configured for transmission of bodily fluids to the super absorbent core. The absorbent core comprises a first and second layer comprising pulp fibres. The diaper is either manufactured of wholly or partially renewable resources, at the same time can substantially decompose in a compost site, and substantially biodegrade in a conventional landfill.
Claims19
A diaper comprising diaper materials that comprise a biodegradable top sheet, a top sheet, a biodegradable super absorbent core or water resistant sheet that is liquid impervious and a breathable bottom sheet, wherein the top sheet is configured for transmission of bodily fluids to the biodegradable super absorbent core, wherein the biodegradable super absorbent core comprises a first and a second non-woven layer comprising pulp fibres, and wherein the diaper materials are at least 70 wt. % biodegradable and at least 90 wt. % compostable.
Dependencies are inferred from the claim text.