Catalyst for olefin polymerization, method for producing olefin polymer, method for producing propylene-based copolymer, propylene polymer, propylene-based polymer composition, and use of those
US9382356B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 16, 2007 |
| Grant date | Jul 5, 2016 |
| Priority date | — |
| Expiry date | Apr 23, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1397
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A catalyst for olefin polymerization, comprising: wherein in Formula [1-1], R1, R2, R3, R4, R5, R8, R9, and R12 are each selected from a hydrogen, a hydrocarbon group and a silicon-containing group; the four groups of R6, R7, R10, and R11 are not hydrogen atoms, and are each selected from a hydrocarbon group or a silicon-containing group; R13 and R14 are each a hydrocarbon group or the like, excluding a hydrogen atom and a methyl group; M is Ti, Zr or the like; Y is carbon or the like; Q is a halogen or the like; and j is an integer from 1 to 4.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.