Manufacture and recovery of olefin polymer particles
US4199546A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 16, 1978 |
| Grant date | Apr 22, 1980 |
| Priority date | — |
| Expiry date | Mar 16, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F10/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Apparatus for the polymerization of an olefin in a particle form process to form solid particles of polyolefin in a liquid slurry in a polymerization zone and the solid polymer particles are separated from the liquid diluent and any unreacted monomer, in which a portion of the slurry is diverted in the polymerization zone through a liquid cyclone separator. This separator has a separating portion thereof in heat exchange relationship with the zone liquid. After the separation in the liquid cyclone the clarified separated liquid is returned continuously to the polymerization zone and the resulting concentrated slurry is directed to a place of separation of the polymer particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.