METHOD OF PRODUCTION OF FIBERS AND A DEVICE FOR CARRYING OUT THE METHOD

Abstract: the present invention refers to a method and device for the preparation of microfibres and nanofibres based on hyaluronic acid and/or a water-soluble metal or non-metal salt thereof or a mixture of salts and/or a derivative of hyaluronic acid by method of dry spinning, and two-dimensional or three-dimensional fibrous materials from this microfibres and nanofibres. the resulting 2d or 3d materials can be for example in the shape of layer or cotton wool. furthermore, the present invention refers to a device for performing this method, that contains an extrusion part containing a pass-through channel, that has an inlet opening for feeding the spinning solution and a dispensing opening for dispensing the spinning solution and furthermore the device contains an air nozzle, the air outlet opening of which is arranged to direct the exiting air into the area surrounding the dispensing opening of the extrusion part parallel to the axis of the dispensing opening of the extrusion part.

Inventor(s): Tomas Medek, Eliska Sestakova, Marek Pokorny, Vladimir VELEBNY

CPC Classification: D01F9/00 (Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments)

Search for rejections for patent application number 20250230582