A curable composition, comprising a) at least one polymer comprising at least one silicon-containing group of formula -Si(R 1) k 3-k where R 1 represents a hydrocarbon residue having 1 to 20 C atoms or a triorganosiloxane group of formula -O-Si(R 2) 3, where each R 2 independently represents a hydrocarbon residue having 1 to 20 C atoms; each Y independently represents a hydroxy or hydrolyzable group, in particular an oxime and/or alkoxy group; and k is 0, 1 or 2; b) at least one titanium compound of formula Ti n (NX 2) m or of formula Ti(R 3) 3, where each X independently represents a hydrogen atom, a hydrocarbon residue having 1 to 20 C atoms which can optionally contain one or more heteroatoms, in particular nitrogen atoms, or represents a silicon-containing organic group, or two X together with the nitrogen atom to which they are bonded form a heterocyclic ring; each L independently represents a hydrolyzable oxygen or nitrogen-containing organic group, in particular an alkoxy group; R 3 represents a hydrocarbon residue having 1 to 20 carbon atoms; and m is 1, 2, 3 or 4 and n is 0, 1, 2 or 3, where m + n = 4; and c) optionally at least one compound that comprises a hydrolyzable silicon-containing group and a molecular weight in the range of from 100 to 1000 g/mol, in particular an aminosilane. a) at least one polymer comprising at least one silicon-containing group of formula -Si(R 1) k 3-k where R 1 represents a hydrocarbon residue having 1 to 20 C atoms or a triorganosiloxane group of formula -O-Si(R 2) 3, where each R 2 independently represents a hydrocarbon residue having 1 to 20 C atoms; each Y independently represents a hydroxy or hydrolyzable group, in particular an oxime and/or alkoxy group; and k is 0, 1 or 2; R 1 represents a hydrocarbon residue having 1 to 20 C atoms or a triorganosiloxane group of formula -O-Si(R 2) 3, where each R 2 independently represents a hydrocarbon residue having 1 to 20 C atoms; each Y independently represents a hydroxy or hydrolyzable group, in particular an oxime and/or alkoxy group; and k is 0, 1 or 2; b) at least one titanium compound of formula Ti n (NX 2) m or of formula Ti(R 3) 3, where each X independently represents a hydrogen atom, a hydrocarbon residue having 1 to 20 C atoms which can optionally contain one or more heteroatoms, in particular nitrogen atoms, or represents a silicon-containing organic group, or two X together with the nitrogen atom to which they are bonded form a heterocyclic ring; each L independently represents a hydrolyzable oxygen or nitrogen-containing organic group, in particular an alkoxy group; R 3 represents a hydrocarbon residue having 1 to 20 carbon atoms; and m is 1, 2, 3 or 4 and n is 0, 1, 2 or 3, where m + n = 4; and each X independently represents a hydrogen atom, a hydrocarbon residue having 1 to 20 C atoms which can optionally contain one or more heteroatoms, in particular nitrogen atoms, or represents a silicon-containing organic group, or two X together with the nitrogen atom to which they are bonded form a heterocyclic ring; each L independently represents a hydrolyzable oxygen or nitrogen-containing organic group, in particular an alkoxy group; R 3 represents a hydrocarbon residue having 1 to 20 carbon atoms; and m is 1, 2, 3 or 4 and n is 0, 1, 2 or 3, where m + n = 4; and c) optionally at least one compound that comprises a hydrolyzable silicon-containing group and a molecular weight in the range of from 100 to 1000 g/mol, in particular an aminosilane.