Microfibrous article and method of forming same
View Patent ↗A microfibrous article includes a substrate and a plurality of magnetic fibers disposed on the substrate. Each of the plurality of magnetic fibers is individually sheathed with a polymer and includes a plurality of magnetic particles. Further, each of the plurality of magnetic fibers is aligned along a magnetic field and not connected by the polymer to any adjacent magnetic fiber. A method of forming the microfibrous article is also disclosed.
1. A microfibrous article comprising:
a substrate; and
a plurality of magnetic fibers disposed on said substrate;
wherein each of said plurality of magnetic fibers is individually sheathed with a polymer and includes a plurality of magnetic particles;
wherein said plurality of magnetic particles is assembled adjacent and in contact with one another;
wherein each of said plurality of magnetic fibers is aligned along a magnetic field and not connected by said polymer to any adjacent magnetic fiber.
2. The microfibrous article of claim 1 , wherein each of said plurality of magnetic fibers is disposed substantially perpendicular to said substrate.
3. The microfibrous article of claim 1 , wherein the substrate and each of said plurality of magnetic fibers define an acute angle therebetween.
4. The microfibrous article of claim 1 , wherein said polymer is an epoxy polymer.
5. A microfibrous article comprising:
a substrate; and
a plurality of magnetic fibers disposed on said substrate;
wherein each of said plurality of magnetic fibers is individually sheathed with a polymer and includes a plurality of magnetic particles;
wherein said polymer is a shape-memory polymer changeable between a first configuration and a second configuration;
wherein each of said plurality of magnetic fibers is aligned along a magnetic field and not connected by said polymer to any adjacent magnetic fiber.
6. A microfibrous article comprising:
a substrate; and
a plurality of magnetic fibers disposed on said substrate;
wherein each of said plurality of magnetic fibers is individually sheathed with a polymer and includes a plurality of magnetic particles;
wherein said polymer is a shape-memory polymer changeable between each of at least three configurations;
wherein each of said plurality of magnetic fibers is aligned along a magnetic field and not connected by said polymer to any adjacent magnetic fiber.
7. The microfibrous article of claim 1 , wherein each of said plurality of magnetic fibers is permanently aligned along the magnetic field.
8. The microfibrous article of claim 1 , wherein said each of said plurality of magnetic particles has an average particle size of from about 1 μm to about 200 μm.
9. The microfibrous article of claim 1 , wherein said substrate includes plastic.
10. The microfibrous article of claim 5 , wherein the substrate and each of said plurality of magnetic fibers define an acute angle therebetween.