Highly aligned nanofiber mats

To the best of the authors knowledge to date, it is still not possible to obtain a single continuous electrospun nanofiber, let alone one with a constant diameter. The best that has been achieved so far are randomly oriented nonwoven mats that are not so attractive for use as composite reinforcements. Attempts have been made to align electrospun nanofibers, however, due to the complex nature of the polymer jet trajectory, this is difficult. Most of the techniques employed use a collector moving or rotating at high speeds... 

---