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US 2021/0213702 A1Published application
Nonwoven article
AssigneesSaint-Gobain Abrasives, Inc., Saint-Gobain Abrasifs
InventorsVinayak OGALE, Veeraraghavan SRINIVASAN, Manisha MOHAPATRA, Mitul D. ZAVERI, Sumi DINKAR, Brahmanandam V. TANIKELLA
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Abstract
A nonwoven article includes a nonwoven substrate having from a lofty, open web of fibers formed through a needling process. The nonwoven substrate is coated with at least one coating to provide improved performance characteristics including loft, elongation, tensile strength, stiffness, pore size, permeability, fiber orientation index, and combinations thereof.
Claims20
A nonwoven article, comprising:
- a nonwoven substrate comprising a lofty, open web of fibers;
- and
- a coating overlying the nonwoven substrate, the coating having a greater thickness at an exterior surface of the nonwoven substrate as compared to a central region of the nonwoven substrate spaced apart from the exterior surface.
Dependencies are inferred from the claim text.