COMPOUNDS CONTAINING (METH)ACRYLATE GROUPS AND SULFONATE OR SULFATE GROUPS, POLYMERS AND CONDENSATES MADE THEREFROM AND USE OF THE POLYMERS AND CONDENSATES

摘要

The invention relates to silicic acid (hetero) polycondensates consisting of at least one silane that has a group bonded to silicon by a carbon atom and that carries an organically polymerisable C═C double bond, and at least one silane that has a group bonded to silicon by a carbon atom and that carries a sulphonate group or a sulphate group of the formula —(O)d-SO3M wherein d=0 or 1 and M=hydrogen, or a monovalent metal cation, or the corresponding quantity of a polyvalent metal cation, yet not including polycondensates in which the C═C double bonds are formed exclusively by methacrylic esters that are bound, in the form of a methylene acryl ester group, to the groups bonded to silicon by carbon. The invention also relates to composites that consist of such silicic acid (hetero) polycondensates in combination with fillers, and to polymers produced by organically polymerising the C═C double bonds in the polycondensates or composites. Moreover, the invention relates to different possibilities for producing the claimed silicic acid (hetero) polycondensates.