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公开(公告)号:US07842638B2
公开(公告)日:2010-11-30
申请号:US11632637
申请日:2005-06-23
CPC分类号: C08F10/00 , C08F4/68224
摘要: A polymerisation catalyst comprising (1) a transition metal compound of Formula (A), and optionally (2) an activator, wherein Z is 5-membered heterocyclic containing carbon, nitrogen and at least one other selected from nitrogen, sulphur and oxygen, the remaining atoms in the ring being nitrogen and carbon; M is a metal from Group 3 to 11 or a lanthanide metal; E1 and E2 are divalent hydrocarbon, heterocyclic or heterosubstituted derivatives of these; D1 and D2 are donor atoms or groups; X is an anionic group, L is a neutral donor group; n=m=zero or 1; y and z are zero or integers so that X and L satisfy the valency/oxidation state of M, characterized in that the complex contains at least one polymerisable olefinic double bond which is present in, or substituent to, at least one of the atoms, groups or ligands represented by Z, E, D and L. The catalyst binds to the forming polymer providing product with good particle morphology.
摘要翻译: 一种聚合催化剂,其包含(1)式(A)的过渡金属化合物和任选的(2)活化剂,其中Z是含有碳,氮和选自氮,硫和氧中的至少一种的5员杂环, 环中剩余的原子是氮和碳; M是第3至11族的金属或镧系金属; E1和E2是这些的二价烃,杂环或杂取代的衍生物; D1和D2是供体原子或基团; X是阴离子基团,L是中性给体基团; n = m =零或1; y和z为零或整数,使得X和L满足M的化合价/氧化态,其特征在于复合物含有至少一个可聚合的烯属双键,其存在于或至少一个原子, 基团或配体由Z,E,D和L表示。催化剂与形成聚合物结合,提供具有良好颗粒形态的产物。
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公开(公告)号:US20100022724A1
公开(公告)日:2010-01-28
申请号:US11989507
申请日:2006-07-27
CPC分类号: C08F36/00 , C08F10/00 , C08F210/02 , C08F2410/04 , C08F4/545 , C08F4/69224 , C08F236/06 , C08F2500/03 , C08F4/69232 , C08F4/7042 , C08F4/69215 , C08F4/69146
摘要: A process for producing homopolymers or copolymers of conjugated dienes comprising contacting monomeric material comprising at least one conjugated diene with a catalyst system comprising two or more different transition metal compounds and optionally one or more activators. Preferred transition metal compounds are based on cobalt and chromium, especially complexes thereof having benzimidazole ligands.
摘要翻译: 一种制备共聚二烯的均聚物或共聚物的方法,包括将包含至少一种共轭二烯的单体材料与包含两种或多种不同过渡金属化合物和任选的一种或多种活化剂的催化剂体系接触。 优选的过渡金属化合物基于钴和铬,特别是具有苯并咪唑配体的络合物。
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公开(公告)号:US20080293896A1
公开(公告)日:2008-11-27
申请号:US11976734
申请日:2007-10-26
IPC分类号: C08F4/78 , B01J23/86 , B01J23/88 , B01J23/888 , B01J27/049 , B01J27/185 , B01J27/188
CPC分类号: C08F36/04 , C08F10/00 , C08F2410/04 , C08F4/69224 , C08F4/7042 , C08F4/6925 , C08F4/68224 , C08F4/6825 , C08F4/69034 , C08F4/69146 , C08F4/69215 , C08F4/68215 , C08F4/64089
摘要: A process and catalyst for producing homopolymers or copolymers of conjugated dienes by polymerising the monomer with a catalyst system comprising (A) a first transition metal compound selected from Cr, Mo and W compounds, and a second transition metal compound selected from Fe Co and Ni compounds (B) a catalyst modifier (eg triphenyl phosphine) and optionally (C) one or more catalyst activators (eg MAO). The cis, trans and 1,2-vinyl microstructure of the produced diene polymer can be controlled.
摘要翻译: 一种用于通过使单体与催化剂体系聚合制备共聚二烯的均聚物或共聚物的方法和催化剂,所述催化剂体系包含(A)选自Cr,Mo和W化合物的第一过渡金属化合物和选自Fe Co和Ni的第二过渡金属化合物 化合物(B)催化剂改性剂(例如三苯基膦)和任选的(C)一种或多种催化剂活化剂(例如MAO)。 可以控制所生产的二烯聚合物的顺式,反式和1,2-乙烯基显微组织。
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公开(公告)号:US07026496B2
公开(公告)日:2006-04-11
申请号:US10416284
申请日:2001-11-08
摘要: The present invention relates to a complex having the formula (I) wherein M is selected from Sn(II), Sn(IV), Al(III) and Mg(II); each of R1 and R2 is independently hydrocarbyl; R3 is H or hydrocarbyl; and X is a linker group. A further aspect of the invention relates to the use of said complex as a polymerisation initiator, particularly in the polymerisation of lactides.
摘要翻译: 本发明涉及具有式(I)的络合物,其中M选自Sn(II),Sn(IV),Al(III)和Mg(II); R 1和R 2各自独立地为烃基; R 3是H或烃基; X是连接基团。 本发明的另一方面涉及所述络合物作为聚合引发剂的用途,特别是在丙交酯的聚合中。
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公开(公告)号:US06828398B2
公开(公告)日:2004-12-07
申请号:US10181802
申请日:2002-11-15
IPC分类号: C08F444
CPC分类号: C07F15/045 , C07F7/003 , C07F9/005 , C07F13/005 , C07F15/004 , C07F15/0053 , C07F15/008 , C07F15/025 , C08F10/00 , C08F110/02 , C08F2410/04 , C08F4/7042
摘要: A complex suitable for use as a catalyst in the polymerisation of olefins is disclosed, having the Formula (I) wherein M is a transition metal; X represents an atom or group covalently or ionically bonded to M; T is the oxidation state of M; b is the valency of the atom or group X; A1 to A3 are each independently N or P or CR, with the proviso that at least one but no more than two of them are independently CR; Y1 and Y2 are each independently CR′ or PR′R″; Z is oxygen or NR5, R5 and R7 and each R, each R′ and each R″ are independently selected from hydrogen, halogen, hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl, substituted heterohydrocarbyl or SiR303 where each R30 is independently selected from hydrogen, halogen, hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl and substituted heterohydrocarbyl; but excluding those complexes having the formulae (1) and (2) where in both cases R4 and R6 are Me, R5 and R7 are 2, 4, 6-trimethylphenyl, M is Fe, T is II, X is Cl and b is 1
摘要翻译: 公开了一种适合用作烯烃聚合中催化剂的络合物,其具有式(I),其中M是过渡金属; X表示与M共价或离子键合的原子或基团; T是M的氧化态; b是原子或基团X的化合价; A 1至A 3各自独立地为N或P或CR,条件是其中至少一个但不多于两个独立地为CR; Y 1和Y 2各自独立地为CR'或PR'R“; Z是氧或NR 5,R 5和R 7,每个R,每个R'和每个R“独立地选自氢,卤素,烃基,取代的烃基,杂烃基,取代的杂烃基或SiR 30> 3,其中每个R 30独立地选自氢,卤素,烃基,取代的烃基,杂烃基和取代的杂烃基; 但不包括具有式(1)和(2)的那些络合物,其中在两种情况下,R 4和R 6均为Me,R 5和R 7为2,4,6-三甲基苯基,M为 Fe,T为II,X为Cl且b为1
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