Title:
【発明の名称】α‐オレフイン類の溶液重合法
Document Type and Number:
Japanese Patent JPH0655791
Kind Code:
B2
Abstract:
A solution polymerization process for the preparation of high molecular weight homopolymers of ethylene and copolymers of ethylene and C4 - C12 alpha-olefins comprises feeding monomer(s), coordination catalyst and inert hydrocarbon solvent to a reactor, polymerizing the monomers at a temperature of up to 320 DEG C and a pressure of less than 25 MPa, and deactivating the catalyst in the solution so obtained. The catalyst is deactivated by sequentialiy admixing therewith a minor amount of a deactivating agent followed by a solution of a salt of an alkaline earth metal or zinc and an aliphatic mono-carboxylic acid dissolved in hydrocarbon solvent. The deactivating agent is selected from carbon dioxide, carbon monoxide, dialkyl carbonate and dioxolones. The hydrocarbon solvent and other volatile matter are then separated from the resultant solution and a composition comprising said high molecular weight polymer is recovered. The amount of said deactivating agent is not more than 2.5 moles of deactivating agent per mole of halogen plus alkyl radicals in the coordination catalyst.
Inventors:
Baclav Jioji Zuboril
Ronald Andrew Zeronka
Ronald Andrew Zeronka
Application Number:
JP1228886A
Publication Date:
July 27, 1994
Filing Date:
January 24, 1986
Export Citation:
Assignee:
Deupon Canada Inc.
International Classes:
C08F2/04; C08F2/42; C08F4/60; C08F4/64; C08F4/68; C08F6/00; C08F6/02; C08F6/06; C08F10/00; C08F10/02; C08F210/16; (IPC1-7): C08F10/02; C08F2/04; C08F4/64; C08F4/68; C08F6/02
Domestic Patent References:
| JP5849709A | ||||
| JP57121004A |
Attorney, Agent or Firm:
Heiyoshi Odashima
Next Patent: RIBBON CARTRIDGE