Title :
Isothermal thermogravimetric analysis as a tool to determine high temperature performance of impregnating resins
Author :
Baumgarten, Gunther ; Hegemann, Günter
Author_Institution :
Beck Elektroisoliersysteme, Hamburg, Germany
Abstract :
The paper describes the investigation of different unsaturated polyesterimide resins with varying comonomer composition by isothermal thermogravimetric analysis (TGA). In this case the isothermal TGA was conducted in the same way as the standard ISO 2578 procedure for the determination of TI by loss of mass. A temperature range between 230°C and 290°C was chosen and short-term TI values were determined. These values give good informations an the thermal behavior of the resins so that the method is a good tool for the chemist on one side and the manufacturer of equipment with reduced time of life
Keywords :
composite insulating materials; insulation testing; organic insulating materials; thermal analysis; 230 to 290 C; comonomer composition; high temperature performance; impregnating resins; isothermal thermogravimetric analysis; short-term TI values; standard ISO 2578 procedure; thermal behavior; unsaturated polyesterimide resins; Composite materials; Isothermal processes; Materials reliability; Performance analysis; Resins; Temperature; Testing; Thermal degradation; Thermal resistance; Time measurement;
Conference_Titel :
Electrical Electronics Insulation Conference, 1995, and Electrical Manufacturing & Coil Winding Conference. Proceedings
Conference_Location :
Rosemont, IL
Print_ISBN :
0-941783-15-4
DOI :
10.1109/EEIC.1995.482495
