Hybrid supported metallocene catalyst and method for preparing polypropylene using the same

A hybrid supported metallocene catalyst, comprising at least one first metallocene compound selected from a compound represented by Chemical Formula 1;

• at least one second metallocene compound selected from a compound represented by Chemical Formula 2;
• and a support on which the first and the second metallocene compounds are supported,
• wherein a molar ratio of the first metallocene compound and the second metallocene compound is 4:1 to 1:1:
• wherein in Chemical Formula 1,
• M is a Group 4 transition metal,
• X1 and X2 are each independently hydrogen;
• halogen;
• or C1-20 alkyl;
• A is carbon or silicon,
• R11 and R12 are each independently hydrogen;
• halogen;
• C1-20 alkyl;
• C2-20 alkoxyalkyl;
• or C6-20 aryl;
• R21 is methyl,
• R22 is C3-20 alkyl;
• C3-20 alkoxyalkyl;
• or C3-20 alkenyl,
• R23 is unsubstituted C6-20 aryl;
• or C7-20 alkylaryl,
• R24 and R25 are each hydrogen;
• or R24 and R25 are connected with each other to form a C3-10 cycloalkane ring,
• R26 is C1-20 alkyl, and
• R27 is unsubstituted C6-20 aryl;
• or C7-20 alkylaryl,
• wherein in Chemical Formula 2,
• M′is a Group 4 transition metal,
• X′1 and X′2 are each independently halogen,
• A′ is carbon or silicon,
• R′11 and R′12 are each independently C1-20 alkyl;
• C6-20 aryl;
• or C2-20 alkoxyalkyl,
• R′21 and R′23 are each independently C1-20 alkyl, and
• R′22 and R′24 are each independently C6-30 alkylaryl;
• or C6-30 aryl.