| 摘要 |
<p>The invention relates to varnished metal wires with one or more electrically insulating varnish coatings, at least one of the electrically insulating varnish coatings representing an organically modified silicic acid (hetero) polycondensate, which has been obtained by partial or total hydrolytic condensation of one or more hydrolytically condensable compounds of silicon and if necessary other elements from the group B, A1, P, Sn, Pb, the transition metals, the lanthanides and actinides, and/or from precondensates derived from the abovenamed compounds, if necessary in the presence of a catalyst and/or of a solvent by the action of water and moisture.</p> |
