Alkoxysilane-containing isocyanurate of the formula wherein - R 1, R 2 und R 3 in each case independently of one another are a linear or branched and/or cyclic C1-C8 alkylene radical, - R', R" and R'" in each case independently of one another are a linear or branched and/or cyclic C1-C8 alkyl radical, - j, k, l in each case independently of one another are 0, 1, 2 or 3, - 1 ≤ j+k+l ≤ 7 and - the radical -OB is a polyalkylene oxide polyether alkoxy radical in which the alkylene oxides are ethylene oxide and/or propylene oxide; or - the radical -OB has the formula -O{ -(y) a -}, wherein ∘ the radical X derives ▪ from a hydroxypolyethylene glycol ether of the empirical formula HO(CH 2 CH 2 O) n T 1 where n = 2 - 100, where T 1 = H or C 1 -C 6 alkyl, ▪ from a hydroxyalkylcarboxylic acid or ▪ from a hydroxypolyethersulfonic acid, ∘ a is 0 or 1, ∘ the radical y, if present, derives from a di- or polyisocyanate, from a di- or polycarboxylic acid derivative, from a di- or polyepoxide, from a mono- or polyalkoxysilane, from an epoxyisocyanate, from an epoxyalkoxysilane or from an isocyanatosilane, and ∘ the radical Z derives ▪from a hydroxy-terminated polyether of the formula TO (CTHCH 2 O) n (CH 2 CH 2 O) p T', wherein T = -(CH 2) m CH 3, n and m independently of one another = 0-20, p = 0-5 where n is greater than or equal to 4 times p, and T' = H or C 1 -C 18 alkyl, ▪ from one or more than one hydroxyhydrocarbon having 1-18 carbon atoms, which is optionally branched and/or optionally contains rings and/or heteroatom(s), or ▪from an alkylene oxide having at least 4 carbon atoms which is optionally branched and/or optionally contains rings. - R 1, R 2 und R 3 in each case independently of one another are a linear or branched and/or cyclic C1-C8 alkylene radical, - R', R" and R'" in each case independently of one another are a linear or branched and/or cyclic C1-C8 alkyl radical, - j, k, l in each case independently of one another are 0, 1, 2 or 3, - 1 ≤ j+k+l ≤ 7 and - the radical -OB is a polyalkylene oxide polyether alkoxy radical in which the alkylene oxides are ethylene oxide and/or propylene oxide; or - the radical -OB has the formula -O{ -(y) a -}, wherein ∘ the radical X derives ▪ from a hydroxypolyethylene glycol ether of the empirical formula HO(CH 2 CH 2 O) n T 1 where n = 2 - 100, where T 1 = H or C 1 -C 6 alkyl, ▪ from a hydroxyalkylcarboxylic acid or ▪ from a hydroxypolyethersulfonic acid, ∘ a is 0 or 1, ∘ the radical y, if present, derives from a di- or polyisocyanate, from a di- or polycarboxylic acid derivative, from a di- or polyepoxide, from a mono- or polyalkoxysilane, from an epoxyisocyanate, from an epoxyalkoxysilane or from an isocyanatosilane, and ∘ the radical Z derives ▪from a hydroxy-terminated polyether of the formula TO (CTHCH 2 O) n (CH 2 CH 2 O) p T', wherein T = -(CH 2) m CH 3, n and m independently of one another = 0-20, p = 0-5 where n is greater than or equal to 4 times p, and T' = H or C 1 -C 18 alkyl, ▪ from one or more than one hydroxyhydrocarbon having 1-18 carbon atoms, which is optionally branched and/or optionally contains rings and/or heteroatom(s), or ▪from an alkylene oxide having at least 4 carbon atoms which is optionally branched and/or optionally contains rings. ∘ the radical X derives ▪ from a hydroxypolyethylene glycol ether of the empirical formula HO(CH 2 CH 2 O) n T 1 where n = 2 - 100, where T 1 = H or C 1 -C 6 alkyl, ▪ from a hydroxyalkylcarboxylic acid or ▪ from a hydroxypolyethersulfonic acid, ▪ from a hydroxypolyethylene glycol ether of the empirical formula HO(CH 2 CH 2 O) n T 1 where n = 2 - 100, where T 1 = H or C 1 -C 6 alkyl, ▪ from a hydroxyalkylcarboxylic acid or ▪ from a hydroxypolyethersulfonic acid, ∘ a is 0 or 1, ∘ the radical y, if present, derives from a di- or polyisocyanate, from a di- or polycarboxylic acid derivative, from a di- or polyepoxide, from a mono- or polyalkoxysilane, from an epoxyisocyanate, from an epoxyalkoxysilane or from an isocyanatosilane, and ∘ the radical Z derives ▪from a hydroxy-terminated polyether of the formula TO (CTHCH 2 O) n (CH 2 CH 2 O) p T', wherein T = -(CH 2) m CH 3, n and m independently of one another = 0-20, p = 0-5 where n is greater than or equal to 4 times p, and T' = H or C 1 -C 18 alkyl, ▪ from one or more than one hydroxyhydrocarbon having 1-18 carbon atoms, which is optionally branched and/or optionally contains rings and/or heteroatom(s), or ▪from an alkylene oxide having at least 4 carbon atoms which is optionally branched and/or optionally contains rings. ▪from a hydroxy-terminated polyether of the formula TO (CTHCH 2 O) n (CH 2 CH 2 O) p T', wherein T = -(CH 2) m CH 3, n and m independently of one another = 0-20, p = 0-5 where n is greater than or equal to 4 times p, and T' = H or C 1 -C 18 alkyl, ▪ from one or more than one hydroxyhydrocarbon having 1-18 carbon atoms, which is optionally branched and/or optionally contains rings and/or heteroatom(s), or ▪from an alkylene oxide having at least 4 carbon atoms which is optionally branched and/or optionally contains rings.