Abstract:
The present invention relates to a catalyst composition and a process for di-, tri- and/or tetramerization of ethylene, wherein the catalyst composition comprises a chromium compound, a ligand of the general structure (A) R1R2P -N(R3)-P(R4)-N(R5)-H or (B) R1R2P- N(R3-P(R4)-N(R5)-PR6R7, or any cyclic derivatives of (A) and (B), wherein at least one of the P or N atoms of the PNPN-unit or PNPNP -unit is member of a ring system, the ring system being formed from one or more constituent compounds of structures (A) or (B) by substitution and a co-catalyst or activator.
Abstract translation:本发明涉及一种催化剂组合物和乙烯二,三和/或四聚的方法,其中催化剂组合物包含铬化合物,通式结构的配体(A)R 1 R 2 P -N(R 3)-P (R4)-N(R5)-H或(B)R1R2P-N(R3-P(R4)-N(R5)-PR6R7或(A)和(B))的任何环状衍生物,其中至少一个 PNPN单元或PNPNP单元的P或N原子是环系的成员,环体系由一种或多种结构(A)或(B)的组成化合物通过取代和助催化剂或活化剂 。
Abstract:
The present invention relates to a catalyst for oligomerization of ethylene, comprising a functionalized solid support; a ligand immobilized on the solid support by chemical bonding, wherein the immobilized ligand has, the structure (R1)(R2)P-N(R3)-P(R4)-Y-support or (R1)(R2)P-N(R3)-P(R4)-N(R5)-P(R6)-Y-support, wherein R1 R2, R3, R4, R5 and R6 are independently selected from aliphatic group, aryl group, amino group and trimethylsilyl group and Y is the functional group of the support or a derivative thereof; and a chromium compound reacted with the ligand.; and to a method for its preparation and a process for oligomerization of ethylene utilizing the catalyst.
Abstract:
The present invention relates to a catalyst composition and a process for di-, tri- and/or tetramerization of ethylene, wherein the catalyst composition comprises a chromium compound, a ligand of the general structure (A) R1R2P -N(R3)-P(R4)-N(R5)-H or (B) R1R2P- N(R3-P(R4)-N(R5)-PR6R7, or any cyclic derivatives of (A) and (B), wherein at least one of the P or N atoms of the PNPN-unit or PNPNP -unit is member of a ring system, the ring system being formed from one or more constituent compounds of structures (A) or (B) by substitution and a co-catalyst or activator.
Abstract translation:本发明涉及催化剂组合物和乙烯的二 - ,三 - 和/或四聚的方法,其中所述催化剂组合物包含铬化合物,通式结构(A)R 1 R 2 NP(R 3)-P (R)-N(R 5)-H或(B)R 1 R 2 P -N(R 3 -P(R 4)-N(R 5)-PR 6 R 7,或(A)和(B)的任何环状衍生物, PNPN-单元或PNPNP-单元的P或N原子是环体系的成员,所述环体系由结构(A)或(B)的一种或多种构成化合物通过取代和助催化剂或活化剂形成 。
Abstract:
The present invention relates to a catalyst composition and a process for di-, tri- and/or tetramerization of ethylene, wherein the catalyst composition comprises a chromium compound, a ligand of the general structure (A) R 1 R 2 P -N(R 3 )-P(R 4 )-N(R 5 )-H or (B) R 1 R 2 P- N(R 3 -P(R 4 )-N(R 5 )-PR 6 R 7 , or any cyclic derivatives of (A) and (B), wherein at least one of the P or N atoms of the PNPN-unit or PNPNP -unit is member of a ring system, the ring system being formed from one or more constituent compounds of structures (A) or (B) by substitution and a co-catalyst or activator.
Abstract:
The present invention relates to a catalyst for oligomerization of ethylene, comprising a functionalized solid support; a ligand immobilized on the solid support by chemical bonding, wherein the immobilized ligand has, the structure (R 1 )(R 2 )P-N(R 3 )-P(R 4 )-Y-support or (R 1 )(R 2 )P-N(R 3 )-P(R 4 )-N(R 5 )-P(R 6 )-Y-support, wherein R 1 R 2 , R 3 , R 4 , R 5 and R 6 are independently selected from aliphatic group, aryl group, amino group and trimethylsilyl group and Y is the functional group of the support or a derivative thereof; and a chromium compound reacted with the ligand.; and to a method for its preparation and a process for oligomerization of ethylene utilizing the catalyst.
Abstract:
The present invention relates to a catalyst composition for the oligomerization of ethylene comprising at least one transition metal bisphenolate compound and at least one cocatalyst. The transition metal bisphenolate is a zirconium bisphenolate. The invention also relates to a process for the oligomerization of ethylene in the presence of the catalyst composition according to the invention. The process results in a high yield of C 4 -C 18 linear alpha-olefm and C 6 -C 10 linear alpha-olefin.
Abstract:
The present invention relates to a catalyst composition for the oligomerization of ethylene comprising at least one transition metal bisphenolate compound and at least one cocatalyst. The transition metal bisphenolate is a zirconium bisphenolate. The invention also relates to a process for the oligomerization of ethylene in the presence of the catalyst composition according to the invention. The process results in a high yield of C 4 -C 18 linear alpha-olefm and C 6 -C 10 linear alpha-olefin.
Abstract:
The present invention relates to a process for the preparation of linear low molecular weight alpha-olefins having 4 to 24 carbon atoms, comprising oligomerizing ethylene in an inert solvent in the presence of a catalyst system comprising: (i) zirconium car-boxylate of the formula (R 1 COO) m ZrCl 4-m , wherein R 1 is saturated or unsaturated ali-phatic C 1 -C 10 hydrocarbon or aromatic C 6 -C 14 hydrocarbon and m fulfills 1 ≤ m ≤ 4, (ii) at least one aluminum compound selected from organoaluminum compounds of the formula R 2 n A1X 3-n , wherein R2 is C 1 -C 20 alkyl, X is chlorine, bromine or iodine, and n fulfills 1 ≤ n ≤ 2, and/or aluminoxanes, and (iii) at least two different additives selected from the group consisting of hydrogen, esters, ketones, ethers, amines, anhydrides, phosphines and sulfur compounds; as well as to a catalyst used therein.
Abstract translation:本发明涉及一种制备具有4至24个碳原子的线型低分子量α-烯烃的方法,包括在惰性溶剂中,在催化剂体系存在下使乙烯低聚,包括:(i)锆 - 式(R 1)COO),其中R 1是饱和或不饱和的脂肪族 C 1 -C 10烃基或芳族C 6 -C 14烃,m满足1 = m = 4 ,(ii)至少一种铝化合物,其选自式R 2的有机铝化合物。
Abstract:
The present invention is directed to a process for the production of high density polyethylene by polymerisation of ethylene in the presence of a supported chromium oxide based catalyst which is modified with an organic compound comprising oxygen and a nitrogen atom which is selected from the group consisiting of saturated heterocyclic organic compounds with a five or six membered ring, amino esters and amino alcohols. Such organic compounds allow manufacturing of HDPE with increases molecular weight distribution and increased molecular weight.
Abstract:
The present invention relates to a process for the preparation of linear low molecular weight alpha-olefins having 4 to 24 carbon atoms, comprising oligomerizing ethylene in an inert solvent in the presence of a catalyst system comprising: (i) zirconium car-boxylate of the formula (R 1 COO) m ZrCl 4-m , wherein R 1 is saturated or unsaturated ali-phatic C 1 -C 10 hydrocarbon or aromatic C 6 -C 14 hydrocarbon and m fulfills 1 = m = 4, (ii) at least one aluminum compound selected from organoaluminum compounds of the formula R 2 n A
Abstract translation:本发明涉及制备具有4-24个碳原子的直链低分子量α-烯烃的方法,该方法包括在催化剂体系存在下,在惰性溶剂中使乙烯低聚,所述催化剂体系包含:(i) 其中R 1是饱和的或不饱和的脂肪族的脂肪族基团(R 1 CON COO)m ZrCl 4 m m,其中R 1是饱和的或不饱和的脂肪族的 碳氢化合物或芳香族碳氢化合物,其中m满足1 = m = 4 ,(ii)至少一种选自式R 2 CON 2 N