Layered product comprising superabsorbent polymer
AssigneeWaterdrager Holding B.V.
InventorsMarco Johannes Cornelis Marie CLAESSENS, Thomas ROELING
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Abstract
A layered product including at least one natural fiber layer including a web of natural fibers and at least one SAP layer including a non-woven substrate including a thermoplastic polymer fibers and a superabsorbent polymer adhered to thermoplastic polymer fibers, wherein the non-woven substrate is a high loft fabric, for example an airlaid or spunlaid non-woven, and wherein the natural fiber layer and the SAP layer are connected to each other by needle punching, stitch bonding or using an adhesive. A process to prepare the layered product and the use of the layered product in for example horticulture.
Claims20
A layered product, comprising:
- at least one natural fiber layer comprising a web of natural fibers and
- at least one SAP layer comprising a non-woven substrate comprising a thermoplastic polymer fibers and a superabsorbent polymer adhered to the thermoplastic polymer fibers,
- wherein the non-woven substrate is a high loft fabric,
- wherein the at least one SAP layer is in the form of a sheet,
- and wherein the at least one natural fiber layer and the at least one SAP layer are connected to each other by needle punching.
Dependencies are inferred from the claim text.