Abstract: Physico-chemical interactions between the impregnating oil and the polypropylene foil (PP) are of great concern. Such phenomena like swelling and dissolution of polymer films into the oil can detonate the electrical properties of the oil - polymer system. It was found that the swelling control could be attained by the application of the effective diffusion barrier at the PP surface. Formation of thin polymer coatings in radio-frequency discharges was used for this purpose. The effect of surface modification of the PP film on the polymer-oil interaction phenomena were investigated.

Keyword(s): PP foil ; swelling ; discharge
Note: 9th International Symposium on High Voltage Engineering, Graz, Austria, Aug-Sept, 1995, pp.1064-1 - 1064-3


Fulltext : http://zet10.ipee.pwr.wroc.pl/record/284/files/

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