Methods for the addition polymerization of cycloolefins using a cationic Group 10 metal complex and a weakly coordinating anion of the formula:
[(R′)
z
M(L′)
x
(L″)
y
]
b
[WCA]
d
wherein [(R′)
z
M(L′)
x
(L″)
y
] is a cation complex where M represents a Group 10 transition metal; R′ represents an anionic hydrocarbyl containing ligand; L′ represents a Group 15 neutral electron donor ligand; L″ represents a labile neutral electron donor ligand; x is 1 or 2; and y is 0, 1, 2, or 3; and z is 0 or 1, wherein the sum of x, y, and z is 4; and [WCA] represents a weakly coordinating counteranion complex; and b and d are numbers representing the number of times the cation complex and weakly coordinating counteranion complex are taken to balance the electronic charge on the overall catalyst complex.
使用阳离子第10族
金属配合物和公式为[(R′)zM(L′)x(L″)y]b[WCA]d的弱配位阴离子的方法进行环烯烃的加成聚合,其中[(R′)zM(L′)x(L″)y]是一个阳离子配合物,M代表第10族过渡
金属;R′代表含阴离子的碳氢基
配体;L′代表第15族中性电子给体
配体;L″代表不稳定的中性电子给体
配体;x为1或2;y为0、1、2或3;z为0或1,其中x、y和z的总和为4;[WCA]代表弱配位对阴离子配合物;b和d是表示需要多少次阳离子配合物和弱配位对阴离子配合物来平衡整个催化剂配合物的电荷的数字。