What is claimed is:
1. A membrane of poly (lactic acid) (PLA), the membrane having an average thickness between 5 μm and 55 μm, an average porosity between 75% and 85%, an average pore size between 0.1 μm and 1 μm, and comprising PLA nanofibers with an average diameter between 50 nm and 200...
FIELD OF THE INVENTION
The invention is in the field of polymer material technology, and relates to a polylactic acid nano-fiber membrane and preparation method thereof.