申请人:Pampaloni Guido
公开号:US20130296592A1
公开(公告)日:2013-11-07
Metal alkyl-arene having general formula (I) or (Ia): M (η
6
-arene)
2
Al
1
X
r
R
s
(I) M (η
6
-arene)Al
q
X
r
R
s
(Ia) wherein: —M represents zirconium (Zr), hafnium (Hf), or mixtures thereof, preferably zirconium; —arene represents a benzene, or a benzene 10 substituted with from 1 to 6 linear or branched C
1
-C
6
alkyl groups, or mixtures thereof; —X represents a halogen atom selected from chlorine, bromine, fluorine, iodine, preferably chlorine; —R represents a linear or branched C
1
-C
15
alkyl group; —q is a number ranging from 2 to 6, preferably 3 for a metal alkyl-arene having general formula (I), 2 for a metal alkyl-arene having general formula (Ia); —r is a number ranging from 1 to 20, preferably 9 for a metal alkyl-arene having general formula (I), 6 for a metal alkyl-arene having general formula (Ia); —s is a number ranging from 1 to 6, preferably 2. Said metal alkyl-arene can be advantageously used for the preparation of solid components of catalysts for the (co)polymerization of α-olefins.
金属烷基芳基具有通式(I)或(Ia):M(η6-芳烃)2Al1XrRs(I) M(η6-芳烃)AlqXrRs(Ia)其中:- M代表锆(Zr),钽(Hf)或二者的混合物,最好是锆;- 芳烃代表苯,或者苯基上取代1至6个线性或支链C1-C6烷基基团,或者它们的混合物;- X代表从氯、溴、氟、碘中选择的卤素原子,最好是氯;- R代表线性或支链C1-C15烷基基团;- q是一个范围为2至6的数字,对于具有通式(I)的金属烷基芳基,最好为3,对于具有通式(Ia)的金属烷基芳基,为2;- r是一个范围为1至20的数字,对于具有通式(I)的金属烷基芳基,最好为9,对于具有通式(Ia)的金属烷基芳基,为6;- s是一个范围为1至6的数字,最好为2。所述的金属烷基芳基可有利地用于制备用于(共)聚合α-烯烃的催化剂的固体组分。