| 摘要 |
Or the Disclosure Catalysts obtained fromA) a reaction product of 1 mol tungsten hexachloride with from 1 to 4 mols of a mixture of 2-chloroethanol and 2,2,2-tri-chloroethanol in a molar ratio of from 1 : 3 to 3 : 1; andB) from 1 to 20 mol, per mol of tungsten in component (A), of an organometallic aluminium for disproportionation and metathesis of oleiin and for ring opening polymerisation of cyclic olefins. |
