| Title |
Surface Discharge Characteristics of Phenolic Resin Treated by Heat and Its Structure Analysis |
| Authors |
Kil-Mok Shong ; Young-Su Roh ; Hee-Ro Kwak |
| Keywords |
Tracking ; Structure analysis ; FT-IR ; SEM ; Thermal analysis ; Surface ; Discharge ; IR spectrum ; Tracking ; Heating treated temperature |
| Abstract |
For clearing the cause of firing due to the tracking on the surface of phenolic resin, this paper describes the analysis through a couple of methods ; FT-IR; DTA; photograph analysis, etc. Phenolic resin has been widely employed as a case of low voltage appliances. In the experiment, it was confirmed that its surface was carbonized and graphitized by the external fire. In the FT-IR test, a graphite specimen thermally treated at 150 [℃] showed the 2 different IR absorption peaks at 1,730[cm?¹] and 1,680[cm?¹]. In normal phenolic resin, the exothermic peak appeared at 450[℃], while in graphite specimen, it appeared at 610[℃] in DTA test. From the results, the electrical fire causes could be cleared and it is expected to protect the human life and property from the electrical fire by using the important data. |