Polymerization catalysts based on transition metal complexes with ligands containing pyrrolyl ring
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C07D-207/00
C07D-209/00
C07F-007/00
B01J-031/00
출원번호
US-0358492
(1994-12-19)
발명자
/ 주소
Etherton Bradley P. (Houston TX) Nagy Sandor (Grand Island NY)
출원인 / 주소
Occidental Chemical Corporation (Niagara Falls NY 02)
인용정보
피인용 횟수 :
146인용 특허 :
0
초록▼
Disclosed is an azametallocene polymerization catalyst having the general formula [Figure] where L is a ligand, or mixture of ligands, each having 4 to 30 carbon atoms and containing at least two fused rings, one of which is a pyrrolyl ring, Cp is a ligand containing a cyclopentadienyl group, B is a
Disclosed is an azametallocene polymerization catalyst having the general formula [Figure] where L is a ligand, or mixture of ligands, each having 4 to 30 carbon atoms and containing at least two fused rings, one of which is a pyrrolyl ring, Cp is a ligand containing a cyclopentadienyl group, B is a Lewis acid, Y is a halogen, alkoxy from C1 to C20, siloxy from C1 to C20, or mixtures thereof, M is titanium, zirconium, or mixtures thereof, m is 1 to 4, and n is 0 to 2, p is 0 to 2, q is 0 to 1, and m+n+q=4. The catalyst is useful in polymerizing unsaturated olefinic monomers such as ethylene.
대표청구항▼
A catalyst comprising a compound having the general formula [Figure] where L is a ligand, or mixture of ligands, each having 4 to 30 carbon atoms and containing at least two fused rings, one of which is a pyrrolyl ring, Cp is a ligand containing a cyclopentadienyl group, where two L ligands or an L
A catalyst comprising a compound having the general formula [Figure] where L is a ligand, or mixture of ligands, each having 4 to 30 carbon atoms and containing at least two fused rings, one of which is a pyrrolyl ring, Cp is a ligand containing a cyclopentadienyl group, where two L ligands or an L and a Cp ligand can be bonded to each other via a bridging group, B is a Lewis base, Y is selected from the group consisting of halogen, alkoxy from C1 to C20, siloxy from C1 to C20, N(R1)2, and mixtures thereof, M is selected from the group consisting of titanium, zirconium, and mixtures thereof, R1 is alkyl from C1 to C20, m is 2 to 4, n is 0 or 1, p is 0 or 2, q is 0 or 1, m+n+q=4, and m+q=3 or 4.
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