Process for the preparation of an olefin polymer

Details Process for the preparation of an olefin polymer Process for the preparation of an olefin polymer

C - Chemistry, Metallurgy

08

F

C08F 2/00 (2006.01) C08F 4/60 (2006.01) C08F 10/00 (2006.01) C08F 32/04 (2006.01) C08F 4/659 (2006.01) C08F 4/6592 (2006.01) C08F 110/02 (2006.01) C08F 110/06 (2006.01) C08F 210/06 (2006.01)

Patent

CA 2055220

HOE 90/F 332 Abstract of the Disclosure Process for the preparation of an olefin polymer A very active catalyst system for olefin polymerization is composed of an aluminoxane and a metallocene of the formula I Image (I) in which, preferably, M1 is Zr or Hf, R1 and R2 are alkyl or halogen, R3 and R4 are hydrogen, R5 and R6 are alkyl or haloalkyl, -(CR8R8)m-R7-(CR8R9n- is a single-membered or multimembered chain in which R7 may furthermore be a (substituted) hetero atom, m+n is zero or 1 and R10 is hydrogen The catalyst system gives polymers having high stereospecificity and a high melting point.

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