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GB988087A - Improvements in or relating to the production of methylpentenes - Google Patents

Improvements in or relating to the production of methylpentenes

Info

Publication number
GB988087A
GB988087A GB1428561A GB1428561A GB988087A GB 988087 A GB988087 A GB 988087A GB 1428561 A GB1428561 A GB 1428561A GB 1428561 A GB1428561 A GB 1428561A GB 988087 A GB988087 A GB 988087A
Authority
GB
United Kingdom
Prior art keywords
isomer
isomerization
methylpentene
effected
production
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
GB1428561A
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.)
GEOFFREY WINSTON ALDERSON
BP PLC
Original Assignee
GEOFFREY WINSTON ALDERSON
BP PLC
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
Priority to NL134819D priority Critical patent/NL134819C/xx
Application filed by GEOFFREY WINSTON ALDERSON, BP PLC filed Critical GEOFFREY WINSTON ALDERSON
Priority to GB1428561A priority patent/GB988087A/en
Priority to DE19611642923D priority patent/DE1642923B1/en
Priority to DE19611618076 priority patent/DE1618076C/en
Priority to DE1792746A priority patent/DE1792746C3/en
Priority to DE19611418681 priority patent/DE1418681A1/en
Priority to CH1462961A priority patent/CH421525A/en
Priority to LU40982D priority patent/LU40982A1/xx
Priority to ES0273632A priority patent/ES273632A1/en
Publication of GB988087A publication Critical patent/GB988087A/en
Priority to NL6910812A priority patent/NL6910812A/xx
Priority to NL6910817A priority patent/NL6910817A/xx
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C11/00—Aliphatic unsaturated hydrocarbons
    • C07C11/02—Alkenes
    • C07C11/107—Alkenes with six carbon atoms
    • C07C11/113—Methylpentenes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Specific methylpentene isomers are obtained by dimerizing propylene in the presence of lithium or sodium metal dispersed on an anhydrous potassium compound under conditions favouring the production of isomer A, distilling to separate a fraction rich in isomer A and an isomerization feedstock which is isomerized under conditions favouring the production of isomer B (which may be the same as A) and distilling the isomerization product to recover a fraction rich in isomer B, the remainder being recycled to the isomerization. Suitable potassium compounds used as catalyst supports in the dimerization are the hydroxide, silicate, sulphate, halide and carbonate and the alkali metal is used in amounts of 1-25% by weight of potassium compound. Dimerization is effected at - 10 DEG to 200 DEG C. and 1,000-2,000 p.s.i.g. Where isomers A and B are identical the two distillations may be effected in a single column of at least 60 theoretical plates. Isomerization is effected over silica-alumina or clay at 150-300 DEG C., sodium or alumina at 0-150 DEG C., supported phosphoric acid at 150-300 DEG C. or heteropoly acids at 50-300 DEG C. An example describes the preparation of 4-methylpentene-1 (A) and 2-methylpentene-2 (B).
GB1428561A 1960-12-19 1961-04-20 Improvements in or relating to the production of methylpentenes Expired GB988087A (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
NL134819D NL134819C (en) 1960-12-19
GB1428561A GB988087A (en) 1961-04-20 1961-04-20 Improvements in or relating to the production of methylpentenes
DE19611418681 DE1418681A1 (en) 1960-12-19 1961-12-15 Polymerization catalyst and process for codimerization of olefinic hydrocarbons
DE19611618076 DE1618076C (en) 1960-12-19 1961-12-15 Process for the homodimerization of olefinic hydrocarbons. Eliminated from: 1418681
DE1792746A DE1792746C3 (en) 1960-12-19 1961-12-15 catalyst
DE19611642923D DE1642923B1 (en) 1960-12-19 1961-12-15 Process for regenerating a polymerization catalyst
CH1462961A CH421525A (en) 1960-12-19 1961-12-16 Catalyst, as well as process for the production of the same and use of the same
LU40982D LU40982A1 (en) 1960-12-19 1961-12-19
ES0273632A ES273632A1 (en) 1960-12-19 1961-12-19 Procedure of hydrocarbon polymerazion with catalyst (Machine-translation by Google Translate, not legally binding)
NL6910812A NL6910812A (en) 1960-12-19 1969-07-14
NL6910817A NL6910817A (en) 1960-12-19 1969-07-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1428561A GB988087A (en) 1961-04-20 1961-04-20 Improvements in or relating to the production of methylpentenes

Publications (1)

Publication Number Publication Date
GB988087A true GB988087A (en) 1965-04-07

Family

ID=10038405

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1428561A Expired GB988087A (en) 1960-12-19 1961-04-20 Improvements in or relating to the production of methylpentenes

Country Status (1)

Country Link
GB (1) GB988087A (en)

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