Electro spinning of submicron diameter polymer filaments

Details Electro spinning of submicron diameter polymer filaments Electro spinning of submicron diameter polymer filaments

2006-08-08

2006-08-08

Del Sole, Joseph S. (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

Means applying electrical or wave energy directly to work

Electro-static or inductive field

C057S402000

Reexamination Certificate

active

07086846

ABSTRACT:
An electro spinning process yields uniform, nanometer diameter polymer filaments. A thread-forming polymer is extruded through an anodically biased die orifice and drawn through an anodically biased electrostatic field. A continuous polymer filament is collected on a grounded collector. The polymer filament is linearly oriented and highly uniform in quality. The filament is particularly useful for weaving body armor, for chemical/biological protective clothing, as a biomedical tissue growth support, for fabricating micro sieves and for microelectronics fabrication.

REFERENCES:
patent: 1975504 (1934-10-01), Formhals
patent: 2158416 (1939-05-01), Formhals
patent: 2323025 (1943-06-01), Formhals
patent: 2338570 (1944-01-01), Childs
patent: 3689608 (1972-09-01), Hollberg et al.
patent: 5064577 (1991-11-01), Soane

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