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000000211 037__ $$aENY-ARTICLE-2008-164
000000211 041__ $$aeng
000000211 100__ $$aSek, D$$uInstitute of Polymer Chemistry, Polish Academy of Sciences, Zabrze, Poland
000000211 245__ $$aDielectric Relaxations of Some Pyrrones
000000211 260__ $$c2001-01-01
000000211 300__ $$a6p
000000211 500__ $$aAPTADM 2001 Int. Conference on Advances in Processing, Testing and Application of Dielectric Materials, 2001
000000211 520__ $$aThe properties of a series of new synthesized poly(imidazopyrolones) shortly named here as pyrrones, are presented. The pyrrones show excellent thermal properties as it was evaluated by thermogravimetric analysis and small weight loss below 300 °C. The electrical properties are highly affected by fiexibilizing groups X such as amide, ester or other between ladder segments. The frequency dependence of electrical permitivities and conductivity thermograms are presented The pyrrones containing ester groups, show significantly lower conductivities in comparison to those containing amide or other groups.
000000211 6531_ $$athermostable polymers
000000211 6531_ $$asemiladder polymers
000000211 6531_ $$adielectric properties
000000211 700__ $$aSchab-Balcerzak, E$$uInstitute of Polymer Chemistry, Polish Academy of Sciences, Zabrze, Poland
000000211 700__ $$aMazurek, B$$uWroclaw University of Technology, Poland
000000211 700__ $$aMotyl, E$$uWroclaw University of Technology, Poland
000000211 700__ $$aAdamowska, M $$uElectrotechnical Institute, Wroclaw, Poland
000000211 8560_ $$fleon99@pwr.wroc.pl
000000211 8564_ $$uhttp://zet10.ipee.pwr.wroc.pl/record/211/files/$$zAccess to Fulltext
000000211 909CO $$ooai:zet10.pwr.wroc.pl:211$$pglobal
000000211 980__ $$aARTICLE