Transition Metal Compound and Catalyst Composition Comprising the Same

A transition metal compound represented by Formula 1:

• in Formula 1,
• M is Ti, Zr or Hf,
• R1 and R9 are each independently represented by Formula 2,
• R2 to R8, and R10 to R16 are each independently hydrogen, F, Cl, CN, CF3, an alkyl group of 1 to 20 carbon atoms, an alkylsilyl group of 1 to 20 carbon atoms, or an alkoxy group of 1 to 20 carbon atoms,
• Y is an alkylene group of 1 to 20 carbon atoms, an arylene group of 6 to 20 carbon atoms, or a heteroarylene group of 5 to 20 carbon atoms, and
• X1 and X2 are each independently an alkyl group of 1 to 20 carbon atoms, or an arylalkyl group of 7 to 20 carbon atoms:
• in Formula 2,
• R17 to R24 are each independently hydrogen, F, Cl, CN, CF3, an alkyl group of 1 to 20 carbon atoms, an alkylsilyl group of 1 to 20 carbon atoms, or an alkoxy group of 1 to 20 carbon atoms,
• X is O, S, C(R25R26) or N(R27), where R25 to R27 are each independently an alkyl group of 1 to 20 carbon atoms, a cycloalkyl group of 5 to 20 carbon atoms, an aryl group of 6 to 20 carbon atoms, an alkylaryl group of 7 to 20 carbon atoms, or an arylalkyl group of 7 to 20 carbon atoms, and
• any one among R17 to R24 is a position connected with Formula 1.