Catalyst system comprising magnesium halide
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Abstract
A supported catalyst system comprising the product obtainable by contacting an adduct of formula (I)
MgT2a.yAlQj(OU)3-j (I)
wherein T is chlorine, bromine, or iodine; U is a linear or branched C1-C10 alkyl radical, y ranges from 6.00 to 0.05; j ranges from 3 to 0.1; Q substituents, are hydrocarbon radicals containing from 1 to 20 carbon atoms; with at least one compound selected from the compounds of formula (II), (III) and (IV)
wherein M1 is a transition metal atom selected from Groups 3-11 of Periodical Table;
- each R1, R2, R3, R4, R5 and R8 is a hydrogen atom, a halogen atom or a hydrocarbon group; L and L1 are divalent or trivalent hydrocarbon groups; T1 is a Lewis base; A1 and A2 are oxygen sulfur or nitrogen containing groups and X is hydrogen halogen or hydrocarbon group.
13 Citations
33 Claims
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1-16. -16. (canceled)
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17. A supported catalyst system comprising a product obtained by contacting:
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an adduct of formula (I)
MgT2.yAlQj(OU)3-j
(I)wherein Mg is magnesium;
Al is aluminum;
O is oxygen;
T is chlorine, bromine, or iodine;
U is a linear or branched C1-C10 alkyl radical;
y ranges from 6.00 to 0.05;
j is a non-integer number ranging from 3 to 0.1;
Q, same or different, is a hydrocarbon radical comprising from 1 to 20 carbon atoms, optionally comprising at least one silicon or germanium atom;
withat least one compound of formula (II), (III) or (IV) wherein M1 is a transition metal atom selected from Groups 3-11 of the Periodical Table of Elements, including lanthanoids;
X, same or different, are monoanionic sigma ligands selected from the group consisting of hydrogen, halogen, R, OR, OCOR, SR, NR2 and PR2, wherein R is a hydrocarbon radical comprising from 1 to 20 carbon atoms optionally comprising at least one Si or Ge atom;
n ranges from 0 to 3;
R1, same or different, are C1-C40 hydrocarbon radicals optionally comprising at least one heteroatom belonging to groups 13-17 of the Periodic Table of Elements;
L is a divalent or trivalent bridge connecting the two nitrogen atoms;
m ranges from 0 to 1, with the proviso that when m is 0, T1 is not-existent;
T1 is a Lewis base, T1 can optionally be bonded to R1;
bonds (a) and (b) connecting the two nitrogen atoms with L, same or different, can be a single bond or double bond;
Cr is a chromium atom;
R2, R3, R4 and R5, same or different, are hydrogen, halogen, or C1-C40 hydrocarbon radicals optionally comprising one or more heteroatoms belonging to groups 13-17 of the Periodic Table of Elements;
or two adjacent R2, R3, R4 and R5 form at least one C3-C7 membered ring optional comprising at least one heteroatom belonging to groups 13-17 of the Periodic Table of Elements;
L1 is a divalent or trivalent bridging group selected from a C1-C20 alkylidene, a C3-C20 cycloalkylidene, a C6-C20 arylidene, a C7-C20 alkylarylidene, or a C7-C20 arylalkylidene radical optionally comprising at least one heteroatom belonging to groups 13-17 of the Periodic Table of Elements, or a silylidene radical comprising up to 5 silicon atoms;
A1 is a moiety of formula (V) wherein R2′
, R3′
, R4′
and R5′
are hydrogen, halogen, or C1-C40 hydrocarbon radicals optionally comprising one or more heteroatoms belonging to groups 13-17 of the Periodic Table of Elements;
or two adjacent R2′
, R3′
, R4′
and R5′
form at least one C3-C7 membered ring optional comprising at least one heteroatom belonging to groups 13-17 of the Periodic Table of Elements;
or A1 is oxygen, sulphur, NR7, NR72, OR7 or SR7, wherein R7 is a C1-C40 hydrocarbon radical;
R8 is hydrogen, halogen, or a C1-C40 hydrocarbon radical optionally comprising one or more heteroatoms belonging to groups 13-17 of the Periodic Table of Elements;
A is a halogen, R7′
, OR7′
, OCOR7′
, SR7′
, NR7′
2, NR7′
3, SR7′
2, OR7′
2, wherein R7′
is a C1-C40 hydrocarbon radical. - View Dependent Claims (18, 19, 20, 21, 22, 24, 25, 26, 27, 28)
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23. A catalyst system obtained by a process comprising the following steps:
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contacting (i) a partially dealcoholated adduct of formula MgT′
2.wUOH, wherein T′
is chlorine, bromine, or iodine;
U is a linear or branched C1-C10 alkyl radical; and
w ranges from 6 to 0.1;
with(ii) an organo-aluminium compound of formula HeAlQ13-e or HeAl2Q16-e, wherein Q1, same or different, is hydrogen, halogen, or a hydrocarbon radical comprising from 1 to 20 carbon atoms optionally comprising at least one silicon or germanium atom;
with the proviso that at least one Q1 is different from halogen; and
e is a non-integer number ranging from 0 to 1;
to obtain an adduct of formula (I)
MgT2.yAlQj(OU)3-j
(I)wherein Mg is magnesium;
Al is aluminum;
O is oxygen;
T is chlorine, bromine, or iodine;
U is a linear or branched C1-C10 alkyl radical;
y ranges from 6.00 to 0.05;
j is a non-integer number ranging from 3 to 0.1;
Q, same or different, is a hydrocarbon radical comprising from 1 to 20 carbon atoms, optionally comprising at least one silicon or germanium atom;
contacting a product obtained from contacting (i) and (ii) with at least one compound of formula (II), (III) and (IV) wherein M1 is a transition metal atom selected from Groups 3-11 of the Periodical Table of Elements, including lanthanoids;
X, same or different, are monoanionic sigma ligands selected from the group consisting of hydrogen, halogen, R, OR, OCOR, SR, NR2 and PR2, wherein R is a hydrocarbon radical comprising from 1 to 20 carbon atoms optionally comprising at least one Si or Ge atom;
n ranges from 0 to 3;
R1, same or different, are C1-C40 hydrocarbon radicals optionally comprising at least one heteroatom belonging to groups 13-17 of the Periodic Table of Elements;
L is a divalent or trivalent bridge connecting the two nitrogen atoms;
m ranges from 0 to 1, with the proviso that when m is 0, T1 is not-existent;
T1 is a Lewis base, T1 can optionally be bonded to R1;
bonds (a) and (b) connecting the two nitrogen atoms with L, same or different, can be a single bond or double bond;
Cr is a chromium atom;
R2, R3, R4 and R5, same or different, are hydrogen, halogen, or C1-C40 hydrocarbon radicals optionally comprising one or more heteroatoms belonging to groups 13-17 of the Periodic Table of Elements;
or two adjacent R2, R3, R4 and R5 form at least one C3-C7 membered ring optional comprising at least one heteroatom belonging to groups 13-17 of the Periodic Table of Elements;
L1 is a divalent or trivalent bridging group selected from a C1-C20 alkylidene, a C3-C20 cycloalkylidene, a C6-C20 arylidene, a C7-C20 alkylarylidene, or a C7-C20 arylalkylidene radical optionally comprising at least one heteroatom belonging to groups 13-17 of the Periodic Table of Elements, or a silylidene radical comprising up to 5 silicon atoms;
A1 is a moiety of formula (V) wherein R2′
, R3′
, R4′
and R5′
are hydrogen, halogen, or C1-C40 hydrocarbon radicals optionally comprising one or more heteroatoms belonging to groups 13-17 of the Periodic Table of Elements;
or two adjacent R2′
, R3′
, R4′
and R5′
form at least one C3-C7 membered ring optional comprising at least one heteroatom belonging to groups 13-17 of the Periodic Table of Elements;
or A1 is oxygen, sulphur, NR7, NR72, OR7 or SR7, wherein R7 is a C1-C40 hydrocarbon radical;
R8 is hydrogen, halogen, or a C1-C40 hydrocarbon radical optionally comprising one or more heteroatoms belonging to groups 13-17 of the Periodic Table of Elements;
A is a halogen, R7′
, OR7′
, OCOR7′
, SR7′
, NR7′
2, NR7′
3, SR7′
2, OR7′
2, wherein R7′
is a C1-C40 hydrocarbon radical.
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29. A process for (co)polymerizing olefins comprising from 2 to 20 carbon atoms comprising contacting one or more of the olefins under polymerization conditions in presence of a supported catalyst system comprising a product obtained by contacting:
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an adduct of formula (I)
MgT2.yAlQj(OU)3-j
(I)wherein Mg is magnesium;
Al is aluminum;
O is oxygen;
T is chlorine, bromine, or iodine;
U is a linear or branched C1-C10 alkyl radical;
y ranges from 6.00 to 0.05;
j is a non-integer number ranging from 3 to 0.1;
Q, same or different, is a hydrocarbon radical comprising from 1 to 20 carbon atoms, optionally comprising at least one silicon or germanium atom;
withat least one compound of formula (II), (III) or (IV) wherein M1 is a transition metal atom selected from Groups 3-11 of the Periodical Table of Elements, including lanthanoids;
X, same or different, are monoanionic sigma ligands selected from the group consisting of hydrogen, halogen, R, OR, OCOR, SR, NR2 and PR2, wherein R is a hydrocarbon radical comprising from 1 to 20 carbon atoms optionally comprising at least one Si or Ge atom;
n ranges from 0 to 3;
R1, same or different, are C1-C40 hydrocarbon radicals optionally comprising at least one heteroatom belonging to groups 13-17 of the Periodic Table of Elements;
L is a divalent or trivalent bridge connecting the two nitrogen atoms;
m ranges from 0 to 1, with the proviso that when m is 0, T1 is not-existent;
T1 is a Lewis base, T1 can optionally be bonded to R1;
bonds (a) and (b) connecting the two nitrogen atoms with L, same or different, can be a single bond or double bond;
Cr is a chromium atom;
R2, R3, R4 and R5, same or different, are hydrogen, halogen, or C1-C40 hydrocarbon radicals optionally comprising one or more heteroatoms belonging to groups 13-17 of the Periodic Table of Elements;
or two adjacent R2, R3, R4 and R5 form at least one C3-C7 membered ring optional comprising at least one heteroatom belonging to groups 13-17 of the Periodic Table of Elements;
L1 is a divalent or trivalent bridging group selected from a C1-C20 alkylidene, a C3-C20 cycloalkylidene, a C6-C20 arylidene, a C7-C20 alkylarylidene, or a C7-C20 arylalkylidene radical optionally comprising at least one heteroatom belonging to groups 13-17 of the Periodic Table of Elements, or a silylidene radical comprising up to 5 silicon atoms;
A1 is a moiety of formula (V) wherein R2′
, R3′
, R4′
and R5′
are hydrogen, halogen, or C1-C40 hydrocarbon radicals optionally comprising one or more heteroatoms belonging to groups 13-17 of the Periodic Table of Elements;
or two adjacent R2′
, R3′
, R4′
and R5′
form at least one C3-C7 membered ring optional comprising at least one heteroatom belonging to groups 13-17 of the Periodic Table of Elements;
or A1 is oxygen, sulphur, NR7, NR72, OR7 or SR7, wherein R7 is a C1-C40 hydrocarbon radical;
R8 is hydrogen, halogen, or a C1-C40 hydrocarbon radical optionally comprising one or more heteroatoms belonging to groups 13-17 of the Periodic Table of Elements;
A2 is a halogen, R7′
, OR7′
, OCOR7′
, SR7′
, NR7′
2, NR7′
3, SR7′
2, OR7′
2, wherein R7′
is a C1-C40 hydrocarbon radical. - View Dependent Claims (30, 31, 32, 33)
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Specification