| abstract |
AN AROMATIC SILICON-CONTAINING BENZIMIDAZOLE POLYMER IS PREPARED FROM BIS(P-CARBOEPENTACHLOROPENOXYPHENYL) DIPHENYLSILANE OBTAINED BY OXIDIZING DIPHENYLDI(P-TOLYL) SILANE TO A DICARBOXYLIC ACID AND ESTERIFYING THE LATTER. THE NEW SILICON-CONTAINING BENZIMIDAZOLE POLYMER IS SOLUBLE INORGANIC SOLVENTS, STABLE AT TEMPERATURES RANGING UP TO SEVERAL HUNDRED DEGREES CENTIGRADE, HAS ELECTRICAL INSULATING PROPERTIES , IS MOLDABLE INTO A SHAPED SOLID, FILAMENT, SHEET FILM, OR FILM COATING HAVING GOOD ADHESION TO SMOOTH SURFACES. |