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US 10,538,603 B2Granted
Ligand compound and transition metal compound
AssigneeLG Chem, Ltd.
InventorsHyo Jung Han, Eun Jung Lee, Choong Hoon Lee, In Sung Park, Seul Ki Kim, Young Hoon Na, Ik Je Choe
Life of this patent
Estimating the term…
Abstract
The present invention relates to a novel ligand compound represented by Formula 1 and a novel transition metal compound represented by Formula 2, and the novel ligand compound and transition metal compound according to the present invention has high comonomer incorporation effect in the preparation of an olefinic polymer having a low density and a high molecular weight, and thus can be usefully used as a catalyst for a polymerization reaction.
Claims8
A transition metal compound represented by the following Formula 2:
- in Formula 2, R1 to R8 each independently represent hydrogen, a silyl, an alkyl having 1 to 20 carbon atoms, an alkenyl having 2 to 20 carbon atoms, an aryl having 6 to 20 carbon atoms, an alkylaryl having 7 to 20 carbon atoms, an arylalkyl having 7 to 20 carbon atoms, metalloid radical of a Group 14 metal substituted with a hydrocarbyl having 1 to 20 carbon atoms, or two or more adjacent groups of the R1 to R8 are connected to each other to form an aliphatic ring having 5 to 20 carbon atoms or an aromatic ring having 6 to 20 carbon atoms, wherein the aliphatic ring or aromatic ring is optionally substituted with a halogen, an alkyl having 1 to 20 carbon atoms, an alkenyl having 2 to 20 carbon atoms or an aryl having 6 to 20 carbon atoms;
- R8 represents hydrogen, a silyl, an alkyl having 1 to 20 carbon atoms, an alkenyl having 2 to 20 carbon atoms, an aryl having 6 to 20 carbon atoms, an alkylaryl having 7 to 20 carbon atoms, an arylalkyl having 7 to 20 carbon atoms or a metalloid radical of a Group 14 metal substituted with a hydrocarbyl having 1 to 20 carbon atoms;
- n is 1 or 2;
- Q1 and Q2 each independently represent hydrogen, a halogen, an alkyl having 1 to 20 carbon atoms, an alkenyl having 2 to 20 carbon atoms, an aryl having 6 to 20 carbon atoms, an alkylaryl having 6 to 20 carbon atoms, an arylalkyl having 7 to 20 carbon atoms, an alkylamido having 1 to 20 carbon atoms, an arylamido having 6 to 20 carbon atoms, or an alkylidene having 1 to 20 carbon atoms;
- and
- M is Ti, Zr or Hf.
3 more elements
Dependencies are inferred from the claim text.