Method for production of polymeric nanofibers and linear formation from polymeric nanofibers prepared by this method

Inventor(s):

• KOČIŠ LUBOMÍR (EGU HV LABORATORY, a.s.),
• LUKÁŠ DAVID, POKORNÝ PAVEL (TECHNICKÁ UNIVERZITA V LIBERECI)

Applicants:

• EGU HV LABORATORY a.s.,
• TECHNICKÁ UNIVERZITA V LIBERECI

Priority numbers:

• CZ20120000907 20121217;
• WO2013CZ00166 20131212

Also published as:

Abstrakt:

Invention relates to a method for producing polymer nanofibers, in which the production of polymer nanofibers is carried out by the action of an electric field on a polymer solution or melt that is located on the surface of a spinning electrode, about which electrostatic field is created  alternately between spinning electrode, which is supplied with alternating voltage and ions of air and/or gas generated and/or supplied into the surrounding space, for electrostatic spinning of the fiber without the use of a counter electrode, and depending on the phase of the alternating voltage on spinning electrode , polymeric nanofibres with an opposite electric charge and/or sections with an opposite electric charge are formed, which after their occurrence under the action of electrostatic forces are grouped, forming a linear system in the form of a miniature tow or band of nanofibres, which freely moves in space from spinning electrode  in the direction of the electric field gradient.