SILANE GROUP-CONTAINING OXAZOLIDINE

摘要

Compounds of the general formula I (I) wherein R1 is a hydrogen, C1-C12alkyl, C5-C7cycloalkyl, phenyl or benzy., R2 is hydrogen or C1-C4alkyl, or R1 and R2, together with the linking carbon atom, form a 5- or 6-membered ring, and R3, R4, R5 and R6 are identical or different and are hydrogen, C1-C12alkyl, phenyl or phenyl substituted by 1 to 3 members selected from the group consisting of C1-C4alkyl, halogen or C1-C4alkoxy or are a group of formula -CH2OR11, where R11 is C1-C12alkyl, phenyl or phenyl substituted by 1 to 3 members selected from the group consisting of C1-C4alkyl, halogen or C1-C4alkoxy, or are -C(O)-R12, and R12 is C1-C12alkyl, R7 is C1-C4alkylene, R8 is C1-C8alkylene, R9 is C1-C4alkyl, or two radicals R9 together are C1-C4alkylene, and R10 is C1-C4alkyl or phenyl, q is a value from 0 to 2, X is -S- or -NH-, Y is O or S, and Z is an organic radical which is derived from a polyisocyanate or a polyisothiocyanate containing at least three three NCO or NCS groups respectively, n is a value>/=1 and m is a value>/=1, with the proviso that n+m>/=3, are suitable for use as couplers, especially for moisture-curable polyurethane resins.