JPS582307A - Production of ethylene polymer through solution polymerization process - Google Patents

Production of ethylene polymer through solution polymerization process

Info

Publication number
JPS582307A
JPS582307A JP10054781A JP10054781A JPS582307A JP S582307 A JPS582307 A JP S582307A JP 10054781 A JP10054781 A JP 10054781A JP 10054781 A JP10054781 A JP 10054781A JP S582307 A JPS582307 A JP S582307A
Authority
JP
Japan
Prior art keywords
polymer
phase
solvent
solution
polymerization
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP10054781A
Inventor
Isaburo Fukawa
Original Assignee
Asahi Chem Ind Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Asahi Chem Ind Co Ltd filed Critical Asahi Chem Ind Co Ltd
Priority to JP10054781A priority Critical patent/JPS582307A/en
Publication of JPS582307A publication Critical patent/JPS582307A/en
Application status is Granted legal-status Critical

Links

Abstract

PURPOSE: Polymerization is carried out using a coordinated polymerization initiator under such conditions as the polymer dissolves uniformly in a solvent containing an aliphatic hydrocarbon, then the polymer solution is heated to cause separation into the high polymer-concentration phase and the low one and the solvent is removed from the high concentration phase to give the titled polymer.
CONSTITUTION: The polymerization of ethylene or a mixture thereof with a copolymerizable monomer is carried out using a coordinated polymerization catalyst so that the polymer formed dissolves uniformly in a hydrocarbon solvent containing at least 50wt% aliphatic hydrocarbons and the resultant polymer solution is taken out of the polymerizer 1. Then, the solution is combined with a high-temperature catalyst 9 by means a mixer 5 and sent to the phase separated 2 where the solution is heated to effect separation and the dilute phase is taken out of the upper layer through line 7 and the concentrated one is from the lower layer through line 6. The solvent in the dilute phase is vaporized in the flush tank 3 and the vapor 10 is condensed and sent to the polymerizer 1, while the solvent and unreacted monomers in the concentrated phase 6 are removed to give the objective polymer.
COPYRIGHT: (C)1983,JPO&Japio
JP10054781A 1981-06-30 1981-06-30 Production of ethylene polymer through solution polymerization process Granted JPS582307A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10054781A JPS582307A (en) 1981-06-30 1981-06-30 Production of ethylene polymer through solution polymerization process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10054781A JPS582307A (en) 1981-06-30 1981-06-30 Production of ethylene polymer through solution polymerization process

Publications (1)

Publication Number Publication Date
JPS582307A true JPS582307A (en) 1983-01-07

Family

ID=14276966

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10054781A Granted JPS582307A (en) 1981-06-30 1981-06-30 Production of ethylene polymer through solution polymerization process

Country Status (1)

Country Link
JP (1) JPS582307A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0261219A (en) * 1989-01-12 1990-03-01 Buruman Kk Strut intersection joining metal fittings
WO2012088235A2 (en) 2010-12-21 2012-06-28 Dow Global Technologies Llc Olefin-based polymers and dispersion polymerizations

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0261219A (en) * 1989-01-12 1990-03-01 Buruman Kk Strut intersection joining metal fittings
WO2012088235A2 (en) 2010-12-21 2012-06-28 Dow Global Technologies Llc Olefin-based polymers and dispersion polymerizations
US9388254B2 (en) 2010-12-21 2016-07-12 Dow Global Technologies Llc Olefin-based polymers and dispersion polymerizations
EP3091038A1 (en) 2010-12-21 2016-11-09 Dow Global Technologies LLC Olefin-based polymers and dispersion polymerizations

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