Patent ID: 11965269
Assignee: ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC D  A  B | IPC A  B  D

Claim 0:
1. A method of preparing a fibrous material comprising a plurality of polymer fibers, the method comprising:
generating a magnetic field on a first portion of a collector;
electrospinning a polymer fiber onto the first portion of the collector and onto a second portion of the collector to provide a fibrous material, such that fibers in the first portion are generally aligned and fibers in the second portion are generally not aligned,, the fibrous material comprising a plurality of polymer fibers, wherein the plurality of fibers has a longitudinal alignment along the collector axis with a gradient of more than 70% aligned to less than 35% aligned.