FIELD: electrical engineering.
SUBSTANCE: invention relates to electrical engineering, in particular to a method of producing polymer electret, which can be used in sealing systems, in tribotechnic, in various equipment and devices, such as electret dosimeters, electret filters and electret microphones. For making plates or films from obtained polymer electrets, it is proposed to use epoxy resin grade ED-20 (GOST 10587-84) applied on a solid substrate and solidified with polyethylene polyamine (TU 6-05-861-73) as the main polymer-binder, wherein material polarization is a consequence of a curing process in which ultraviolet radiation is used. Proposed method involves formation of surface charge due to difference in rate of curing on opposite sides of sample.
EFFECT: technical result of the invention is increased service life of total surface density of electric charge in polymer electret.
1 cl, 1 dwg, 1 tbl, 14 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD FOR PRODUCING POLYMERIC ELECTRET | 2005 |
|
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