Catalyst mixture for the ring-opening metathesis polymerisation

摘要

A composition, comprising (a) a compound of formula I (R1R2R3P)xLyM2+Z1-Z2-(I),wherein R1, R2 and R3 are each independently of one another H, C1-C20 alkyl, C1-C20-alkoxy; C4-C12 cycloalkyl which is unsubstituted or substituted by C1-C6 alkyl, C1-C6 haloalkyl or C1-C6 alkoxy; C4-C12 cycloalkoxy which is unsubstituted or substituted by C1-C6-alkyl, C1-C6 haloalkyl or C1-C6 alkoxy; C6-C16 aryl which is unsubstituted or substituted by C1-C6 alkyl, C1-C6 haloalkyl or C1-C6 alkoxy; C6-C16 aryloxy which is unsubstituted or substituted by C1-C6 alkyl, C1-C6 haloalkyl or C1-C6 alkoxy; C7-C16 aralkyl which is unsubstituted or substituted by C1-C6 alkyl, C1-C6 haloalkyl or C1-C6 alkoxy; or C7-C16 aralkyloxy which is unsubstituted or substituted by C1-C6 alkyl, C1-C6 haloalkyl or C1-C6 alkoxy; or R2 and R3 together are tetra- or pentamethylene which is unsubstituted or substituted by C1-C6alkyl, C1-C6 haloalkyl or C1-C6 alkoxy; tetra- or pentamethylenedioxyl which is unsubstituted or substituted by C1-C6 alkyl, C1-C6 haloalkyl or C1-C6 alkoxy; tetra- or pentamethylene which is condensed with one or two 1,2-phenylene radicals and which is unsubstituted or substituted by C1-C6 alkyl, C1-C6 haloalkyl or C1-C6 alkoxy; tetra- or pentamethylenedioxyl which is condensed with one or two 1,2-phenylene radicals and which is unsubstituted or substituted by C1-C6 alkyl, C1-C6haloalkyl or C1-C6 alkoxy; or tetramethylenedioxyl which is condensed in the 1,2- and 3,4-position with 1,2-phenylene and which is unsubstituted or substituted by C1-C6 alkyl, C1-C6 haloalkyl or C1-C6 alkoxy; and R1 has the meaning cited above; L is a neutral ligand; M is Ru or Os; Z1- and Z2- are each a singly charged anion, or Z1- and Z2- together are a doubly charged anion; x is a number from 1 to 3; and y is a number from 0 to 3, wherein 2