Patent ID: 7199071

Claim:
A catalyst component for olefin (co)polymerization, which is prepared by contacting aluminoxane with a magnesium compound in the presence of a multifunctional organic compound; said magnesium compound is selected from magnesium dihalide, associated compound of magnesium dihalide with water or alcohol, or the derivative formed by substitution of a halogen atom in the formula with hydrocarbyl or halogen alkoxide, the content of aluminum is greater than 5% by weight; and wherein the multifunctional organic compound may be one or more selected from C 2 –C 12 aliphatic or aromatic diol, or triol thereof; C 2 –C 12 aliphatic or aromatic dialdehyde; C 2 –C 12 aliphatic or aromatic dicarboxylic acid; C 2 –C 12 aliphatic or aromatic primary, or secondary diamine thereof, or bisepoxides.