Catalyst systems and methods of making and using same

US8932975B2 · kind B2 · utility

Assignee

• Chevron Phillips Chemical Company LP · US

Inventors

• Qing Yang · Bartlesville, US
• Max P. McDaniel · Bartlesville, US
• Joel L. Martin · Bartlesville, US
• Errun Ding · Bartlesville, US
• David C. Rohlfing · Bartlesville, US
• Tony R. Crain · Niotaze, US

Key dates

• Filing date: Sep 7, 2010
• Grant date: Jan 13, 2015
• Expiry date: Jan 25, 2031

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S526/943
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A catalyst composition comprising (a) a first metallocene complex represented by the general formula:where M1 is Ti, Zr or Hf, X1 and X2 are each independently F, Cl, Br, I, methyl, benzyl, phenyl, H, BH4, a hydrocarbyloxide group having up to 20 carbon atoms, a hydrocarbylamino group having up to 20 carbon atoms, a trihydrocarbylsilyl group having up to 20 carbon atoms, OBR′2 wherein R′ may be an alkyl group having up to 12 carbon atoms or an aryl group having up to 12 carbon atoms, and SO3R″ wherein R″ may be an alkyl group having up to 12 carbon atoms or an aryl group having up to 12 carbon atoms, and Cp1 and Cp2 are each independently a substituted or unsubstituted cyclopentadienyl group, or a substituted or unsubstituted indenyl group, where any substituent on Cp1 and Cp2 is H, a hydrocarbyl group having up to 18 carbon atoms or a hydrocarbylsilyl group having up to 18 carbon atoms, (b) a second metallocene complex, (c) a non-group 4 metallocene transition-metal complex, (d) an activator or activator-support, and (e) an optional cocatalyst.