Patent ID: 6214760
Filing Date: 2001-04-10
Classification: C07F,C08F,Y10S

Abstract:
A composition comprising a mixture of aluminum containing Lewis acids said mixture corresponding to the formula:(Ar.sup.f.sub.3 Al)(AlQ.sup.1.sub.3).sub.y [(--AlQ.sup.2 --O--).sub.z' ].sub.zwhere;Ar.sup.f is a fluorinated aromatic hydrocarbyl moiety of from 6 to 30 carbon atoms;Q.sup.1 is C.sub.1-20 alkyl;Q.sup.2 is C.sub.1-20 hydrocarbyl, optionally substituted with one or more groups which independently each occurrence are hydrocarbyloxy, hydrocarbylsiloxy, hydrocarbylsilylamino, di(hydrocarbylsilyl)amino, hydrocarbylamino, di(hydrocarbyl)amino, di(hydrocarbyl)phosphino, or hydrocarbylsulfido groups having from 1 to 20 atoms other than hydrogen, or, optionally, two or more Q.sup.2 groups may be covalently linked with each other to form one or more fused rings or ring systems;y is a number from 0 to 3.0; andz is a number from 0.01 to 10; andthe moiety (--AlQ.sup.2 --O--).sub.z' is a cyclic or linear oligomer with a repeat unit, z', of 2-30.