| 摘要 |
A CATALYST FOR THE POLYMERISATION OF 1-OLEFINS IS DISCLOSED COMPRISING (1) A COMPOUND OF THE FORMULA B( FORMULA I )WHEREIN M IS Fe[II], Fe[III], Co[I], Co[II], Co[III], Mn[I], Mn[II], Mn[III]Mn[IV], Ru[II], Ru[III] OR Ru[IV]; X REPRESENTS AN ATOM OR GROUP COVALENTLY OR IONICALLY BONDED YO THE TRANSITION METAL M; T IS THE OXIDATION STATE OF THE TRANSITION METAL M AND b IS THE VALENCY OF THE ATOM OR GROUP X; R1, R2, R3, R4, R5, R6 AND R7 ARE INDEPENDENTLY SELECTED FROM HYDROGEN, HYDROCARBYL, SUBSTITUTED HYDROCARBYL, HETEROHYDROCARBYL OR SUBSTITUTED HETEROHYDROCARBYL; AND WHEN ANY TWO OR MORE OF R1-R7 ARE HYDROCARBYL, SUBSTITUTED HYDROCARBYL, HETEROHYDROCARBYL OR SUBSTITUTED HETEROHYDROCARBYL, SAID TWO OR MORE CAN BE LINKED TO FORM ONE OR MORE CYCLIC SUBSTITUENTS;(2) AN ACTIVATOR WHICH IS AN ALKYLALUMOXANE ; AND (3) ADDITIONALLY TO (2), A COMPOUND OF THR FORMULA AIR3, WHERE EACH R IS INDEPENDENTLY C1-C12 ALKYL OR HALO.PREFERRED COMPOUNDS (3) INCLUDE TRIMETHYLALUMINIUM (TMA) AND@TRIISOBUTYLALUMINIUM (TIBA).
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