GB890526A - Process for the preparation of acrylonitrile - Google Patents

Process for the preparation of acrylonitrile

Info

Publication number
GB890526A
GB890526A GB29997/59A GB2999759A GB890526A GB 890526 A GB890526 A GB 890526A GB 29997/59 A GB29997/59 A GB 29997/59A GB 2999759 A GB2999759 A GB 2999759A GB 890526 A GB890526 A GB 890526A
Authority
GB
United Kingdom
Prior art keywords
acetylene
hcn
acrylonitrile
preparation
cyanbutadiene
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
GB29997/59A
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.)
Knapsack AG
Knapsack Griesheim AG
Original Assignee
Knapsack AG
Knapsack Griesheim 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 Knapsack AG, Knapsack Griesheim AG filed Critical Knapsack AG
Publication of GB890526A publication Critical patent/GB890526A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C253/00—Preparation of carboxylic acid nitriles
    • C07C253/08—Preparation of carboxylic acid nitriles by addition of hydrogen cyanide or salts thereof to unsaturated compounds
    • C07C253/12—Preparation of carboxylic acid nitriles by addition of hydrogen cyanide or salts thereof to unsaturated compounds to compounds containing carbon-to-carbon triple bonds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

The process of the parent Specification for the simultaneous preparation of acrylonitrile, monovinyl acetylene and acetaldehyde by introducing acetylene and hydrocyanic acid under superatmospheric pressure in the range 1-4 atmospheres absolute and at about 70 DEG C. to about 110 DEG C. into an aqueous cuprous chloride solution containing dissolved hydrochloric acid, ammonium chloride and/or an alkali metal chloride is modified by using an amount of between about 20% and 50% of HCN, calculated on that quantity of HCN which would, when using an excess of HCN, be converted to acrylonitrile under the reaction conditions. By-products obtained include divinyl acetylene, cyanbutadiene, methyl vinyl ketone, chloroprene and higher acetylene polymers.
GB29997/59A 1958-09-09 1959-09-02 Process for the preparation of acrylonitrile Expired GB890526A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE890526X 1958-09-09

Publications (1)

Publication Number Publication Date
GB890526A true GB890526A (en) 1962-03-07

Family

ID=6838692

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29997/59A Expired GB890526A (en) 1958-09-09 1959-09-02 Process for the preparation of acrylonitrile

Country Status (1)

Country Link
GB (1) GB890526A (en)

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