Catalyst for alpha-olefin polymerization

Details Catalyst for alpha-olefin polymerization Catalyst for alpha-olefin polymerization

C - Chemistry, Metallurgy

08

F

402/383

C08F 4/68 (2006.01) C07C 31/28 (2006.01) C07C 67/00 (2006.01) C07C 67/307 (2006.01) C07C 69/04 (2006.01) C07C 69/63 (2006.01) C07C 69/65 (2006.01) C07C 69/653 (2006.01) C08F 4/20 (2006.01) C08F 4/64 (2006.01) C08F 10/00 (2006.01) C08F 110/00 (2006.01) C08F 114/00 (2006.01) C08F 210/18 (2006.01)

Patent

CA 1242550

ABSTRACT OF THE DISCLOSURE A compound of the formula (O)nV(OCH2R)p(OR')qXm wherein R is a tertiary alkyl having 4 to 18 carbon atoms; R' is a C1-C18 alkyl, or if q is 2, R' can also be C2-C8 linear or branched alkyl- ene; X is chlorine, bromine or iodine; n is 0 or 1; if n is 0 then m is 0, 1, 2 or 3; p is an integer of from 1 to 4; and q is 4-(p+m); if n is 1 then m is 0, 1 or 2; p is 1, 2 or 3 and q is 3-(p+m) with the limitation that if n is 1, p is 2 and R is tertiary butyl then X cannot be chlorine is disclosed. A process for forming said compound comprising reacting p moles of an alcohol of the formula RCH2OH with 1 mole of V(O)nXv where R, M, X, m, n and p have the meaning above and v is m+p+q is also taught. The use of the compound of this invention, including com- pounds where n is 1, p is 2, R is tertiary butyl and X is chlorine, with a compound of the formula R?AlX? where R2 is C1-C12 alkyl or C7-C9 aralkyl; X2 is halogen; r is 1, 1.5, 2 or 3; and s is 3-r as a catalyst in the polymerization of alpha-olefins is another aspect of this invention. Finally, a composition, useful in the catalytic polymerization of alpha-olefins comprising the compounds of this invention, including compounds where n is 1, p is 2, R is tertiary butyl and X is chlorine and a compound of the formula YtX?CC(R3)=C(R4)R5 where Y is hydrogen, cyano or C2-C19 carbalkoxy; X1 is chlorine or bromine; R3 is hydrogen, chlorine, bromine or -COOR6 wherein R6 is C1-C18 alkyl, C3-C18 alkenyl, C5-C6 cycloalkyl, C7-C9 aralkyl or C6-C10 aryl; R4 is hydrogen, chlorine, bromine or C1-C18 linear or branched alkyl; or R3 and R4 together is C3-C10 alkylene; R5 is an electron withdrawing group u is 1, 2 or 3; and t is 3-u is made known .

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