abstract |
The present invention relates to a composition which contains at least one fluoroorganofunctional silane and / or siloxane, at least one mineral acid and at least one metal salt of aluminum (III), tin (II), tin (IV), iron (III) or titanium (III) . DOLLAR A In addition, the present invention relates to a process for the preparation of said composition and its use. The present invention includes surface-modified substrates which can be obtained by coating with a composition according to the invention. |