Olefin-based polymer
US-9481747-B2 · Nov 1, 2016 · US
Compound and transition metal compound
US10723818B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10723818-B2 |
| Application number | US-201916698047-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 27, 2019 |
| Priority date | Feb 12, 2016 |
| Publication date | Jul 28, 2020 |
| Grant date | Jul 28, 2020 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
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.
First claim
Opening claim text (preview).
The invention claimed is: 1. A ligand compound represented by the following Formula 1: in Formula 1, R 1 to R 9 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 or a metalloid radical of a Group 14 metal substituted with a hydrocarbyl having 1 to 20 carbon atoms; two or more adjacent groups of the R 1 to R 8 are optionally 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; 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; and n is 1 or 2. 2. The ligand compound according to claim 1 , wherein, in Formula 1, R 1 to R 9 each independently represent hydrogen, an alkyl having 1 to 20 carbon atoms, an aryl having 6 to 20 carbon atoms, an alkylaryl having 7 to 20 carbon atoms, or an arylalkyl having 7 to 20 carbon atoms; two or more adjacent groups of the R 1 to R 8 are optionally 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; and the aliphatic ring or aromatic ring is optionally substituted with a halogen, an alkyl having 1 to 20 carbon atoms, or an aryl having 6 to 20 carbon atoms. 3. The ligand compound according to claim 1 , wherein the compound of Formula 1 is one of the following compounds:
Assignees
Inventors
Classifications
Copolymers of ethene with alpha-alkenes, e.g. EP rubbers · CPC title
Propene · CPC title
Ethene · CPC title
NN(R)N · CPC title
- C08F4/64089Primary
NNN · CPC title
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- What does patent US10723818B2 cover?
- 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…
- Who is the assignee on this patent?
- Lg Chemical Ltd
- What technology area does this patent fall under?
- Primary CPC classification C08F4/64089. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Jul 28 2020 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 2 related publications on this page (citations in our corpus or others sharing the same primary CPC).