| abstract |
The present invention provides the use of a cyclohexene-1,2-dicarboxylate compound represented by formula (I) as an electron donor, especially an internal electron donor, in a catalyst system for olefin polymerization. In addition, when using the cyclohexene-1,2-dicarboxylate compound represented by the formula (I) of the present invention and the diether compound to be compounded as an internal electron donor, the obtained polymer has a wider molecular weight distribution. |