Chemical compound, method for the production thereof and its use in catalyst systems for producing polyolefins
申请人:——
公开号:US20030013913A1
公开(公告)日:2003-01-16
The invention relates to a chemical compound of formula (I), wherein M
1
represents an element selected from main groups II, III or IV of the periodic table of elements; x is equal to 1, 2, 3 or 4; y is equal to 2, 3 or 4, and; A represents a cation of main group V of the periodic table of elements; R
1
is the same or different and represents a branched or unbranched linear or cyclic C
1
-C
40
group that contains carbon; R
2
is the same or different and represents a branched or unbranched linear or cyclic C
1
-C
40
group that contains carbon; R
3
represents a branched or unbranched linear or cyclic C
1
-C
40
group that contains carbon, and; R
4
represents a hydrogen atom; whereby R
2
and R
3
are always different from one another.
本发明涉及一种化学式(I)的化合物,其中M1代表元素,所选自元素周期表的主要II、III或IV族;x等于1、2、3或4;y等于2、3或4,并且A代表元素周期表的主要V族的阳离子;R1相同或不同,代表含有碳的支链或直链线性或环状C1-C40基团;R2相同或不同,代表含有碳的支链或直链线性或环状C1-C40基团;R3代表含有碳的支链或直链线性或环状C1-C40基团,且R4代表氢原子;其中R2和R3始终彼此不同。