GB837974A - Polymerization process and apparatus therefor - Google Patents

Polymerization process and apparatus therefor

Info

Publication number
GB837974A
GB837974A GB29106/56A GB2910656A GB837974A GB 837974 A GB837974 A GB 837974A GB 29106/56 A GB29106/56 A GB 29106/56A GB 2910656 A GB2910656 A GB 2910656A GB 837974 A GB837974 A GB 837974A
Authority
GB
United Kingdom
Prior art keywords
catalyst
diluent
polymerization
effected
monomer
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.)
Expired
Application number
GB29106/56A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Phillips Petroleum Co
Original Assignee
Phillips Petroleum Co
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 Phillips Petroleum Co filed Critical Phillips Petroleum Co
Publication of GB837974A publication Critical patent/GB837974A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

A continuous flow, solution polymerization process comprises accelerating a diluent and/or monomer through a suction or eduction zone wherein a pressure differential is created thus admixing monomer, diluent and catalyst, which is preferably drawn into said zone as a slurry in a hydrocarbon diluent. The description discloses the polymerization of ethylene, propylene, butene, pentene, butadiene or mixtures thereof using hydrocarbon diluents, e.g. cyclohexane, and chromium oxide catalyst supported on silica, alumina, zirconia and/or thoria. Apparatus is described wherein the flow of reactants and catalyst may be concurrent or countercurrent and wherein the aspiration zones are constricted conduits such as Venturi tubes or orifice plates. Polymerization may be in two stages, and recycling of reaction components may be effected. The polymer associated with the subsequently settled catalyst is of different molecular weight to that which remains in solution, whereby a fractionation of product may be effected.
GB29106/56A 1955-10-04 1956-09-24 Polymerization process and apparatus therefor Expired GB837974A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US837974XA 1955-10-04 1955-10-04

Publications (1)

Publication Number Publication Date
GB837974A true GB837974A (en) 1960-06-22

Family

ID=22180768

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29106/56A Expired GB837974A (en) 1955-10-04 1956-09-24 Polymerization process and apparatus therefor

Country Status (2)

Country Link
FR (1) FR1164256A (en)
GB (1) GB837974A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007028749A1 (en) * 2005-09-07 2007-03-15 Basf Se Polymerization method
WO2007028748A1 (en) * 2005-09-07 2007-03-15 Basf Se Polymerization method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007028749A1 (en) * 2005-09-07 2007-03-15 Basf Se Polymerization method
WO2007028748A1 (en) * 2005-09-07 2007-03-15 Basf Se Polymerization method
US7915355B2 (en) 2005-09-07 2011-03-29 Basf Se Polymerization process

Also Published As

Publication number Publication date
FR1164256A (en) 1958-10-07

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