Patent ID: 8263185

Claim:
A composition comprising: a solvent; and at least one reaction product obtained from a reaction mixture comprising: at least one aminosilane of the formula (I) at least one mercaptosilane of the formula (II) at least one epoxy silane of the formula (III) where R 1 is an n-valent organic radical with at least one primary and/or secondary amino group, R 1 ′ is an m-valent organic radical with at least one mercapto group, R 1 ″ is a p-valent organic radical with at least one epoxy group, R 2 , R 2 ′ and R 2 ″ are each independently an alkyl group having 1 to 4 carbonatoms, R 3 , R 3 ′ and R 3 ″ are each independently H or an alkyl group having 1 to 10 carbonatoms, a, b and c are each independently 0, 1 or 2, and n, m and p are each independently 1, 2, 3 and 4.