GB1055064A - Process and apparatus for the preparation of 2-chloro-butadiene-1:3 - Google Patents

Process and apparatus for the preparation of 2-chloro-butadiene-1:3

Info

Publication number
GB1055064A
GB1055064A GB4902664A GB4902664A GB1055064A GB 1055064 A GB1055064 A GB 1055064A GB 4902664 A GB4902664 A GB 4902664A GB 4902664 A GB4902664 A GB 4902664A GB 1055064 A GB1055064 A GB 1055064A
Authority
GB
United Kingdom
Prior art keywords
dichlorobutene
chloroprene
aqueous alkali
metal hydroxide
alkali metal
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
GB4902664A
Inventor
Rudolf Lauterbach
Herbert Schwarz
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Publication of GB1055064A publication Critical patent/GB1055064A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24—Stationary reactors without moving elements inside
    • B01J19/2415—Tubular reactors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J14/00—Chemical processes in general for reacting liquids with liquids; Apparatus specially adapted therefor
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/25—Preparation of halogenated hydrocarbons by splitting-off hydrogen halides from halogenated hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00054—Controlling or regulating the heat exchange system
    • B01J2219/00056—Controlling or regulating the heat exchange system involving measured parameters
    • B01J2219/00058—Temperature measurement
    • B01J2219/00063—Temperature measurement of the reactants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B01J2219/00092—Tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B01J2219/00101—Reflux columns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00186—Controlling or regulating processes controlling the composition of the reactive mixture

Abstract

2 - Chlorobutadiene - 1,3 (chloroprene) is prepared by reacting 1,2-dichlorobutene-3 with an 8-10% by weight aqueous alkali metal hydroxide solution in an oxygen-free medium at temperatures above 80 DEG C. in the presence of 0.05-0.1% by weight of a water-soluble emulsifier, calculated on the quantity of aqueous alkali metal hydroxide solution added to the reaction mixture, provided that, when the process is carried out continuously, the 1,2-dichlorobutene-3 is added to the aqueous alkali metal hydroxide solution at such a rate that 1 mole of chloroprene distils off for each mole of 1,2-dichlorobutene-3 added. The emulsifier is a compound which reduces the surface tension of the aqueous alkali solution, has a boiling point above 80 DEG C., is inert to 1,2-dichlorobutene-3 and chloroprene, and does not promote the polymerization of chloroprene. 1-Chlorobutadiene-1,3 is produced as a by-product.
GB4902664A 1963-12-23 1964-12-02 Process and apparatus for the preparation of 2-chloro-butadiene-1:3 Expired GB1055064A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF41618A DE1212513B (en) 1963-12-23 1963-12-23 Process and device for the production of 2-chlorobutadiene- (1, 3)

Publications (1)

Publication Number Publication Date
GB1055064A true GB1055064A (en) 1967-01-11

Family

ID=7098743

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4902664A Expired GB1055064A (en) 1963-12-23 1964-12-02 Process and apparatus for the preparation of 2-chloro-butadiene-1:3

Country Status (4)

Country Link
BE (1) BE657378A (en)
DE (1) DE1212513B (en)
GB (1) GB1055064A (en)
NL (1) NL6414817A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3936508A (en) * 1973-03-03 1976-02-03 Bayer Aktiengesellschaft Process for the preparation of chloroprene
US3981937A (en) * 1966-06-03 1976-09-21 E. I. Du Pont De Nemours And Company Dehydrohalogenation of 3,4-dichloro-1-butene
US4132741A (en) * 1971-06-03 1979-01-02 Denka Chemical Corporation Process for producing haloprene

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE888389C (en) * 1944-01-11 1953-08-31 Wacker Chemie Gmbh Process for the production of chloroethylenes from chlorinated ethanes

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3981937A (en) * 1966-06-03 1976-09-21 E. I. Du Pont De Nemours And Company Dehydrohalogenation of 3,4-dichloro-1-butene
US4132741A (en) * 1971-06-03 1979-01-02 Denka Chemical Corporation Process for producing haloprene
US3936508A (en) * 1973-03-03 1976-02-03 Bayer Aktiengesellschaft Process for the preparation of chloroprene

Also Published As

Publication number Publication date
BE657378A (en) 1965-04-16
NL6414817A (en) 1965-06-24
DE1212513B (en) 1966-03-17

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