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US 11,518,824 B2Granted
Supported catalyst system
AssigneesBasell Polyolefine GmbH, Albert-Ludwias-Universität Freiburo
InventorsShahram Mihan, Heike Gregorius, Volker Fraaije, Rolf Mulhaupt, Fan Zhong
Life of this patent
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Abstract
A nano platelet gibbsite treated with compound of formula (ORa)3Si—Rb or of formula Rc—COOH wherein Ra equal to or different from each other is a C1-C10 alkyl radical; Rb is a C5-C30 hydrocarbon radical and Rc is a C5-C30 hydrocarbon radical is used as a catalyst support.
Claims14
A supported catalyst system comprising:
- A) at least one organometallic coordination compound consisting of a metal bonded to one or two cyclopentadienyl rings;
- B) a nano platelet gibbsite treated with compound of formula (ORa)3Si—Rb or of formula Rc—COOH wherein Ra equal to or different from each other is a C1-C10 alkyl radical;
- Rb is a C5-C30 hydrocarbon radical and Rc is a C5-C30 hydrocarbon radical;
- and
- C) a cocatalyst.
2 more elements
Dependencies are inferred from the claim text.