| 摘要 |
A composition, comprising (a) a compound of formula I (R1R2R3P)x Ly Me2+Z1-Z2- (I), wherein R1, R2 and R3 are each independently of one another H, C1-C20alkyl, C1-C20-alkoxy; C4-C12cycloalkyl or cycloalkoxy which is unsubstituted or substit uted by C1-C6-alkyl, C1-C6haloalkyl or C1-C6alkoxy, or C6-C16aryl or C6-C16aryloxy which is unsubstituted or substituted by C1-C6alkyl, C1-C6haloalkyl or C1-C6alkoxy, or C7-C16aralkyl or C7-C16aralkyloxy which is unsubstituted or substituted by C1-C6 alkyl, C1-C6haloalkyl or C1-C6alkoxy; R2 and R3 together are tetra- or pentamethylene or tetra- or pentamethylenedioxy l which is unsubstituted or substituted by C1-C6alkyl, C1-C6haloalkyl or C1-C6alko xy, or tetra- or pentamethylene or tetra- or pentamethylenedioxyl which is unsubstitute d or substituted by C1-C6alkyl, C1-C6haloalkyl or C1-C6alkoxy and which is condensed with one or two 1,2-phenylene radicals, or tetramethylenedioxyl which is unsubstitute d or substituted by C1-C6alkyl, C1-C6haloalkyl or C1-C6alkoxy and which is condensed in 1,2-and 3,4-position with 1,2-phenylene, and R1 has the meaning cited above; L is a neutral ligand, Me is Ru or Os, Z1- and Z2- are each a singly charged ani on, 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 ~ x+y ~ 4; and (b) is a compound of formula II R4~C~C~H (II), wherein R4 is a monovalent organic radical of up to 30 carbon atoms which contai ns at least one hydroxyl group, is suitable as storage-stable two-component catalyst for the ring-opening metath esis polymerisation of cyclopentadiene adducts and makes it possible to polymerise dicyclopentadiene and other cyclopentadiene adducts within a short time and with high enthalpy of reaction and only little weight loss.
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