BE623657A - - Google Patents

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Publication number
BE623657A
BE623657A BE623657DA BE623657A BE 623657 A BE623657 A BE 623657A BE 623657D A BE623657D A BE 623657DA BE 623657 A BE623657 A BE 623657A
Authority
BE
Belgium
Prior art keywords
emi
solution
molecule
cathode
acidic portion
Prior art date
Application number
Other languages
French (fr)
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.)
Publication of BE623657A publication Critical patent/BE623657A/fr

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Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/26Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B3/00Electrolytic production of organic compounds
    • C25B3/20Processes
    • C25B3/29Coupling reactions
    • C25B3/295Coupling reactions hydrodimerisation

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

       

   <EMI ID=1.1> 

  
 <EMI ID=2.1>   <EMI ID=3.1> 

  
aliphatiques pour obtenir à partir de 

  
 <EMI ID=4.1> 

  
 <EMI ID=5.1> 

  
on obtient des :rendements pratiquement théoriques de produite 

  
 <EMI ID=6.1> 

  
Ces buts et d'autres de l'invention décrits ici 

  
 <EMI ID=7.1>   <EMI ID=8.1> 

  
drogène supérieure à celle du cuivre, d'une solution concentrée

  
 <EMI ID=9.1> 

  
conditions alcalines modérées. Gomme on le décrira plus complète^; ment ci-après, il est essentiel d'éviter des conditions acides

  
 <EMI ID=10.1> 

  
 <EMI ID=11.1> 

  
 <EMI ID=12.1> 

  
thode sensiblement intérieurs. c'est-à-dire, *oins négatifs, 

  
 <EMI ID=13.1> 

  
eaux déchargés à des potentiels sensiblement supérieurs, à 

  
 <EMI ID=14.1> 

  
 <EMI ID=15.1> 

  
 <EMI ID=16.1> 

  
 <EMI ID=17.1> 

  
posés oléfisiquee organiques. Il est généralement désirable 

  
 <EMI ID=18.1>  point de vue économique, il apparaîtra que les limitations du  pH de la solution de catholyte excluent tout* concentration  de sels très basiques ou acides. 

  
 <EMI ID=19.1> 

  
nombre d'autre. facteurs sont importants dans le choix de sels 

  
 <EMI ID=20.1> 

  
 <EMI ID=21.1> 

  
 <EMI ID=22.1> 

  
 <EMI ID=23.1> 

  
 <EMI ID=24.1> 

  
qu'ils soient plus sujets à troubler la décharge à la cathode. et les sels de métaux alcalino-terreux tendent en général à avoir une mauvaise solubilité dans l'eau, ce qui rend leur utilisation à déconseiller*

  
 <EMI ID=25.1> 

  
 <EMI ID=26.1> 

  
niques comme suit 

  

 <EMI ID=27.1> 


  
 <EMI ID=28.1>  
 <EMI ID=29.1> 
 <EMI ID=30.1> 

  

 <EMI ID=31.1> 


  
 <EMI ID=32.1> 

  

 <EMI ID=33.1> 


  
 <EMI ID=34.1> 

  

 <EMI ID=35.1> 


  
 <EMI ID=36.1> 

  

 <EMI ID=37.1> 


  
 <EMI ID=38.1> 

  

 <EMI ID=39.1> 


  
 <EMI ID=40.1>  

  
 <EMI ID=41.1> 

  

 <EMI ID=42.1> 


  
 <EMI ID=43.1> 

  
 <EMI ID=44.1> 

  

 <EMI ID=45.1> 


  
 <EMI ID=46.1> 

  

 <EMI ID=47.1> 


  
 <EMI ID=48.1>   <EMI ID=49.1> 

  

 <EMI ID=50.1> 


  
 <EMI ID=51.1>   <EMI ID=52.1> 

  

 <EMI ID=53.1> 
 

  

 <EMI ID=54.1> 


  
 <EMI ID=55.1>  

  
 <EMI ID=56.1> 

  
 <EMI ID=57.1>   <EMI ID=58.1>   <EMI ID=59.1>   <EMI ID=60.1> 

  
parmi les anions Intéressante pour les électrolytes procédé

  
 <EMI ID=61.1>   <EMI ID=62.1> 

  
 <EMI ID=63.1> 

  
un,halogénure d'acyle de celui-ci. Par exemple" par réaction

  
 <EMI ID=64.1>   <EMI ID=65.1>   <EMI ID=66.1> 

  
tains ions de métaux alcalins* Du fait de la présence de ces

  
 <EMI ID=67.1> 

  
 <EMI ID=68.1>   <EMI ID=69.1>   <EMI ID=70.1> 

  
manière générale un procédé de réduction électrolytique consis-

  
 <EMI ID=71.1> 

  
très concentrées qui dissolvent de grandes quantités de Matières

  
 <EMI ID=72.1>  

  
 <EMI ID=73.1> 

  
Divers autres cations conviennent pour l'utilisation

  
 <EMI ID=74.1> 

  
 <EMI ID=75.1> 

  
nant pour l'utilisation dans la présente invention., on utilisa

  
 <EMI ID=76.1> 

  
d'acrylonitrile, et en utilisant les processus généreux des

  
 <EMI ID=77.1> 

  
 <EMI ID=78.1> 

  
tique comprendra un réceptacle en une matière capable de résister  <EMI ID=79.1> 

  
ou un mélange de celui-ci avec un solvant polaire* L'ensemble de

  
 <EMI ID=80.1> 

  
 <EMI ID=81.1> 

  
 <EMI ID=82.1> 

  
 <EMI ID=83.1> 

  
 <EMI ID=84.1>   <EMI ID=85.1> 

  
de courant qui est alimentée à la cellule variera avec la nature

  
 <EMI ID=86.1> 

  
 <EMI ID=87.1> 

  
à mesure que la densité de courant diminue* 

  
 <EMI ID=88.1>   <EMI ID=89.1> 

  
vapeur. 

  
 <EMI ID=90.1> 

  
concentrations convenables.

  

 <EMI ID=91.1> 


  
 <EMI ID=92.1> 

  

 <EMI ID=93.1> 
 

  

 <EMI ID=94.1> 


  
 <EMI ID=95.1> 

  

 <EMI ID=96.1> 


  
 <EMI ID=97.1> 

  
le évite le radical libre (V), ce qui paraît essentiel pour tout <EMI ID=98.1>  sorte, il est nécessaire de Maintenir une concentration élevée,

  
 <EMI ID=99.1> 

  
 <EMI ID=100.1> 

  
avant, par exemple ; 

  

 <EMI ID=101.1> 


  
 <EMI ID=102.1>   <EMI ID=103.1> 

  
procédé* 

  
est essentiel*d'éviter l'acidité dans la réalisa-

  
 <EMI ID=104.1> 

  
réactions de polymérisation nuisibles qui sa produisent dans les

  
 <EMI ID=105.1> 

  
produit à environ -1,5 volt rendrait impossible 1'obtention des tensions cathodiques plus négatives nécessaires pour la plupart

  
 <EMI ID=106.1> 

  
les réactions secondaires durant la décharge des ions hydrogène*

  
 <EMI ID=107.1> 

  
tée, per les exemples suivants*

  
 <EMI ID=108.1> 

  
 <EMI ID=109.1> 

  
pendant 3,5 heures et ensuite chauffé jusqu'à 7200 en 40 minutes.

  
 <EMI ID=110.1> 

  
 <EMI ID=111.1> 

  
 <EMI ID=112.1> 

  
 <EMI ID=113.1> 

  
trempe pour obtenir un résidu qui se solidifiait. Celui-ci était  <EMI ID=114.1>   <EMI ID=115.1>   <EMI ID=116.1> 

  
 <EMI ID=117.1> 

  
 <EMI ID=118.1> 

  
chemise de refroidissement qui faisait partie du réceptacle de la cellule.

  
 <EMI ID=119.1> 

  
sium" Le produit séché était séparé du bichlorure à travers uns 

  
 <EMI ID=120.1> 

  
récupéré"

  
 <EMI ID=121.1> 

  
 <EMI ID=122.1> 

  
ble d'aorylonitrile.

  
 <EMI ID=123.1>   <EMI ID=124.1> 

  
 <EMI ID=125.1> 

  
 <EMI ID=126.1>   <EMI ID=127.1> 

  
 <EMI ID=128.1>  

  
 <EMI ID=129.1>  

  
 <EMI ID=130.1> 

  
 <EMI ID=131.1> 

  
 <EMI ID=132.1> 

  
midet

  
Après l'arrêt du passage du courent" le catholyte

  
 <EMI ID=133.1>   <EMI ID=134.1> 

  
potassium" 

  
Durant une période de 1,5 heure, on faisait passer

  
 <EMI ID=135.1>   <EMI ID=136.1> 

  
nitrile.

  
 <EMI ID=137.1>   <EMI ID=138.1> 

  
dans chaque cas 7 portions de 50 -il de chlorure, et les ex-

  
 <EMI ID=139.1> 

  
trile comme suit : 

  
 <EMI ID=140.1> 

  
 <EMI ID=141.1>   <EMI ID=142.1> 

  
le. Le liquide résiduaire était ensuite filtré et extrait deux  fois avec de l'éther. La solution aqueuse, après extraction à  l'éther, éteit ensuite extraite 5 fois avec du chloroforme, et 

  
 <EMI ID=143.1> 

  
potassium. Après séparation du chloroforme du produit séché, le

  
 <EMI ID=144.1> 

  
 <EMI ID=145.1> 

  
 <EMI ID=146.1> 

  
 <EMI ID=147.1> 

  
était également placée dans le oetholyte.. On faisait passer un

  
 <EMI ID=148.1> 

  
 <EMI ID=149.1>   <EMI ID=150.1>   <EMI ID=151.1> 

  
 <EMI ID=152.1>  <EMI ID=153.1> 

  
 <EMI ID=154.1> 

  
14 

  
 <EMI ID=155.1>   <EMI ID=156.1> 

  

 <EMI ID=157.1> 


  
 <EMI ID=158.1>   <EMI ID=159.1> 

  
 <EMI ID=160.1> 

  
 <EMI ID=161.1> 

  
Lorsque le courant était arrêté* le catholyte était  neutralisa avec de l'acide acétique, et ensuite extrait 4 fois 

  
 <EMI ID=162.1>  séparé et on obtenait Comme résidu 145,3 gr de 'matière qui, par 

  
 <EMI ID=163.1> 

  

 <EMI ID=164.1> 


  
 <EMI ID=165.1>   <EMI ID=166.1> 

  
 <EMI ID=167.1> 

  
 <EMI ID=168.1> 

  
 <EMI ID=169.1>   <EMI ID=170.1> 

  
 <EMI ID=171.1> 

  
 <EMI ID=172.1>  comme cathode  1 our el et. une anode de platine dans une coupelle de porcelaine po-

  
 <EMI ID=173.1> 

  
Durant une période d'environ .5 heures, on faisait pas-

  
 <EMI ID=174.1> 

  
 <EMI ID=175.1>  

  
pelle de porcelaine poreuse contenant 20 ml d'une solution

  
 <EMI ID=176.1> 

  
 <EMI ID=177.1> 

  
 <EMI ID=178.1>   <EMI ID=179.1>   <EMI ID=180.1> 

  
rure de méthylène" et les extraits étaient sèches sur de la

  
 <EMI ID=181.1> 

  
 <EMI ID=182.1> 

  
 <EMI ID=183.1> 

  
 <EMI ID=184.1> 

  
 <EMI ID=185.1> 

  
 <EMI ID=186.1> 

  
oeuvre du présent procédé" et la cellule peut être codifiée

  
 <EMI ID=187.1> 

  
concentrée et une cathode byen&#65533; une surtension élevée d'hydrogène,  <EMI ID=188.1> 

  
respectées*

  
titre d'exemple, un certain nombre de cellules pourraient être combinées en une seule unité et, si on le désire,

  
 <EMI ID=189.1> 



   <EMI ID = 1.1>

  
 <EMI ID = 2.1> <EMI ID = 3.1>

  
aliphatic to get from

  
 <EMI ID = 4.1>

  
 <EMI ID = 5.1>

  
we obtain: practically theoretical product yields

  
 <EMI ID = 6.1>

  
These and other objects of the invention described herein

  
 <EMI ID = 7.1> <EMI ID = 8.1>

  
drogen greater than that of copper, from a concentrated solution

  
 <EMI ID = 9.1>

  
moderate alkaline conditions. As we will describe it more fully; below, it is essential to avoid acidic conditions

  
 <EMI ID = 10.1>

  
 <EMI ID = 11.1>

  
 <EMI ID = 12.1>

  
substantially interior method. that is to say, * negative anointings,

  
 <EMI ID = 13.1>

  
water discharged at significantly higher potentials, at

  
 <EMI ID = 14.1>

  
 <EMI ID = 15.1>

  
 <EMI ID = 16.1>

  
 <EMI ID = 17.1>

  
organic olefinic layered. It is generally desirable

  
 <EMI ID = 18.1> from an economic point of view, it will appear that the limitations of the pH of the catholyte solution exclude any * concentration of very basic or acidic salts.

  
 <EMI ID = 19.1>

  
number of others. factors are important in choosing salts

  
 <EMI ID = 20.1>

  
 <EMI ID = 21.1>

  
 <EMI ID = 22.1>

  
 <EMI ID = 23.1>

  
 <EMI ID = 24.1>

  
they are more prone to disturbing the discharge at the cathode. and alkaline earth metal salts in general tend to have poor solubility in water, which makes their use not recommended *

  
 <EMI ID = 25.1>

  
 <EMI ID = 26.1>

  
nics as follows

  

 <EMI ID = 27.1>


  
 <EMI ID = 28.1>
 <EMI ID = 29.1>
 <EMI ID = 30.1>

  

 <EMI ID = 31.1>


  
 <EMI ID = 32.1>

  

 <EMI ID = 33.1>


  
 <EMI ID = 34.1>

  

 <EMI ID = 35.1>


  
 <EMI ID = 36.1>

  

 <EMI ID = 37.1>


  
 <EMI ID = 38.1>

  

 <EMI ID = 39.1>


  
 <EMI ID = 40.1>

  
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 <EMI ID = 43.1>

  
 <EMI ID = 44.1>

  

 <EMI ID = 45.1>


  
 <EMI ID = 46.1>

  

 <EMI ID = 47.1>


  
 <EMI ID = 48.1> <EMI ID = 49.1>

  

 <EMI ID = 50.1>


  
 <EMI ID = 51.1> <EMI ID = 52.1>

  

 <EMI ID = 53.1>
 

  

 <EMI ID = 54.1>


  
 <EMI ID = 55.1>

  
 <EMI ID = 56.1>

  
 <EMI ID = 57.1> <EMI ID = 58.1> <EMI ID = 59.1> <EMI ID = 60.1>

  
among the anions Interesting for process electrolytes

  
 <EMI ID = 61.1> <EMI ID = 62.1>

  
 <EMI ID = 63.1>

  
an acyl halide thereof. For example "by reaction

  
 <EMI ID = 64.1> <EMI ID = 65.1> <EMI ID = 66.1>

  
some alkali metal ions * Due to the presence of these

  
 <EMI ID = 67.1>

  
 <EMI ID = 68.1> <EMI ID = 69.1> <EMI ID = 70.1>

  
In general, an electrolytic reduction process consists of

  
 <EMI ID = 71.1>

  
very concentrated which dissolves large amounts of matter

  
 <EMI ID = 72.1>

  
 <EMI ID = 73.1>

  
Various other cations are suitable for use

  
 <EMI ID = 74.1>

  
 <EMI ID = 75.1>

  
For use in the present invention, we used

  
 <EMI ID = 76.1>

  
acrylonitrile, and using the generous processes of

  
 <EMI ID = 77.1>

  
 <EMI ID = 78.1>

  
tick will include a receptacle of material capable of withstanding <EMI ID = 79.1>

  
or a mixture thereof with a polar solvent * The set of

  
 <EMI ID = 80.1>

  
 <EMI ID = 81.1>

  
 <EMI ID = 82.1>

  
 <EMI ID = 83.1>

  
 <EMI ID = 84.1> <EMI ID = 85.1>

  
of current that is fed to the cell will vary with the nature

  
 <EMI ID = 86.1>

  
 <EMI ID = 87.1>

  
as the current density decreases *

  
 <EMI ID = 88.1> <EMI ID = 89.1>

  
steam.

  
 <EMI ID = 90.1>

  
suitable concentrations.

  

 <EMI ID = 91.1>


  
 <EMI ID = 92.1>

  

 <EMI ID = 93.1>
 

  

 <EMI ID = 94.1>


  
 <EMI ID = 95.1>

  

 <EMI ID = 96.1>


  
 <EMI ID = 97.1>

  
the avoids the free radical (V), which seems essential for any <EMI ID = 98.1> so, it is necessary to maintain a high concentration,

  
 <EMI ID = 99.1>

  
 <EMI ID = 100.1>

  
before, for example;

  

 <EMI ID = 101.1>


  
 <EMI ID = 102.1> <EMI ID = 103.1>

  
process*

  
is essential * to avoid acidity in the

  
 <EMI ID = 104.1>

  
harmful polymerization reactions that occur in

  
 <EMI ID = 105.1>

  
produced at about -1.5 volts would make it impossible to obtain the more negative cathode voltages needed for most

  
 <EMI ID = 106.1>

  
side reactions during the discharge of hydrogen ions *

  
 <EMI ID = 107.1>

  
tee, for the following examples *

  
 <EMI ID = 108.1>

  
 <EMI ID = 109.1>

  
for 3.5 hours and then heated up to 7200 in 40 minutes.

  
 <EMI ID = 110.1>

  
 <EMI ID = 111.1>

  
 <EMI ID = 112.1>

  
 <EMI ID = 113.1>

  
quenching to obtain a residue which solidified. This was <EMI ID = 114.1> <EMI ID = 115.1> <EMI ID = 116.1>

  
 <EMI ID = 117.1>

  
 <EMI ID = 118.1>

  
cooling jacket that was part of the cell receptacle.

  
 <EMI ID = 119.1>

  
sium "The dried product was separated from the bichloride through

  
 <EMI ID = 120.1>

  
recovered "

  
 <EMI ID = 121.1>

  
 <EMI ID = 122.1>

  
aorylonitrile ble.

  
 <EMI ID = 123.1> <EMI ID = 124.1>

  
 <EMI ID = 125.1>

  
 <EMI ID = 126.1> <EMI ID = 127.1>

  
 <EMI ID = 128.1>

  
 <EMI ID = 129.1>

  
 <EMI ID = 130.1>

  
 <EMI ID = 131.1>

  
 <EMI ID = 132.1>

  
midnight

  
After stopping the passage of the course "the catholyte

  
 <EMI ID = 133.1> <EMI ID = 134.1>

  
potassium"

  
During a period of 1.5 hours, we passed

  
 <EMI ID = 135.1> <EMI ID = 136.1>

  
nitrile.

  
 <EMI ID = 137.1> <EMI ID = 138.1>

  
in each case 7 portions of 50 -il chloride, and the ex-

  
 <EMI ID = 139.1>

  
trile as follows:

  
 <EMI ID = 140.1>

  
 <EMI ID = 141.1> <EMI ID = 142.1>

  
the. The waste liquid was then filtered and extracted twice with ether. The aqueous solution, after extraction with ether, then quenched, extracted 5 times with chloroform, and

  
 <EMI ID = 143.1>

  
potassium. After separation of the chloroform from the dried product, the

  
 <EMI ID = 144.1>

  
 <EMI ID = 145.1>

  
 <EMI ID = 146.1>

  
 <EMI ID = 147.1>

  
was also placed in the oetholyte .. We passed a

  
 <EMI ID = 148.1>

  
 <EMI ID = 149.1> <EMI ID = 150.1> <EMI ID = 151.1>

  
 <EMI ID = 152.1> <EMI ID = 153.1>

  
 <EMI ID = 154.1>

  
14

  
 <EMI ID = 155.1> <EMI ID = 156.1>

  

 <EMI ID = 157.1>


  
 <EMI ID = 158.1> <EMI ID = 159.1>

  
 <EMI ID = 160.1>

  
 <EMI ID = 161.1>

  
When the current was stopped * the catholyte was neutralized with acetic acid, and then extracted 4 times

  
 <EMI ID = 162.1> separated and we obtained As residue 145.3 gr of 'material which, by

  
 <EMI ID = 163.1>

  

 <EMI ID = 164.1>


  
 <EMI ID = 165.1> <EMI ID = 166.1>

  
 <EMI ID = 167.1>

  
 <EMI ID = 168.1>

  
 <EMI ID = 169.1> <EMI ID = 170.1>

  
 <EMI ID = 171.1>

  
 <EMI ID = 172.1> as cathode 1 our el and. a platinum anode in a porcelain cup for

  
 <EMI ID = 173.1>

  
During a period of about .5 hours, we did not-

  
 <EMI ID = 174.1>

  
 <EMI ID = 175.1>

  
Porous porcelain scoop containing 20 ml of a solution

  
 <EMI ID = 176.1>

  
 <EMI ID = 177.1>

  
 <EMI ID = 178.1> <EMI ID = 179.1> <EMI ID = 180.1>

  
methylene ride "and the extracts were dry on

  
 <EMI ID = 181.1>

  
 <EMI ID = 182.1>

  
 <EMI ID = 183.1>

  
 <EMI ID = 184.1>

  
 <EMI ID = 185.1>

  
 <EMI ID = 186.1>

  
work of the present method "and the cell can be codified

  
 <EMI ID = 187.1>

  
concentrated and a cathode byen &#65533; high hydrogen surge, <EMI ID = 188.1>

  
respected *

  
as an example, a number of cells could be combined into a single unit and, if desired,

  
 <EMI ID = 189.1>


    

Claims (1)

<EMI ID=190.1> <EMI ID = 190.1> <EMI ID=191.1> <EMI ID = 191.1> <EMI ID=192.1> <EMI ID = 192.1> <EMI ID=193.1> <EMI ID=194.1> <EMI ID = 193.1> <EMI ID = 194.1> <EMI ID=195.1> <EMI ID = 195.1> <EMI ID=196.1> <EMI ID=197.1> <EMI ID = 196.1> <EMI ID = 197.1> <EMI ID=198.1> <EMI ID = 198.1> <EMI ID=199.1> <EMI ID = 199.1> <EMI ID=200.1> <EMI ID = 200.1> trice, la concentration du composé oléfinique dans la solution trice, the concentration of the olefinic compound in the solution <EMI ID=201.1> <EMI ID = 201.1> de carbone dens la portion acide de la Molécule, qui comprend l'électrolyse, en contact: avec une cathode ayant une surtension of carbon in the acidic portion of the molecule, which includes electrolysis, in contact: with a cathode having an overvoltage <EMI ID=202.1> <EMI ID=203.1> <EMI ID = 202.1> <EMI ID = 203.1> <EMI ID=204.1> <EMI ID = 204.1> <EMI ID=205.1> <EMI ID = 205.1> <EMI ID=206.1> <EMI ID = 206.1> <EMI ID=207.1> <EMI ID = 207.1> <EMI ID=208.1> <EMI ID = 208.1> <EMI ID=209.1> <EMI ID = 209.1> <EMI ID=210.1> <EMI ID = 210.1> une surtension d'hydrogène supérieure à celle du cuivre, d'une solution comprenant de l'eau, de l'acrylonitrile et du p-ioluène- a hydrogen surge greater than that of copper, of a solution comprising water, acrylonitrile and p-ioluene- <EMI ID=211.1> <EMI ID = 211.1> <EMI ID=212.1> <EMI ID = 212.1> <EMI ID=213.1> <EMI ID = 213.1> <EMI ID=214.1> <EMI ID = 214.1> <EMI ID=215.1> <EMI ID = 215.1> <EMI ID=216.1> <EMI ID=217.1> <EMI ID = 216.1> <EMI ID = 217.1> <EMI ID=218.1> <EMI ID = 218.1> <EMI ID=219.1> <EMI ID = 219.1> <EMI ID=220.1> <EMI ID = 220.1> <EMI ID=221.1> <EMI ID = 221.1> <EMI ID=222.1> <EMI ID=223.1> <EMI ID = 222.1> <EMI ID = 223.1> <EMI ID=224.1> <EMI ID = 224.1> <EMI ID=225.1> <EMI ID = 225.1> 3 à 8 anodes de carbone dans-le portion acide de le molécule, 3 to 8 carbon anodes in the acidic portion of the molecule, <EMI ID=226.1> <EMI ID = 226.1> une surtension d'hydrogène supérieure à celle du cuivre, d'une a hydrogen overvoltage greater than that of copper, with a <EMI ID=227.1> <EMI ID=228.1> <EMI ID = 227.1> <EMI ID = 228.1> <EMI ID=229.1> <EMI ID = 229.1> <EMI ID=230.1> <EMI ID = 230.1> <EMI ID=231.1> <EMI ID = 231.1> à travers la solution en contact avec une cathode ayant une sur- through the solution in contact with a cathode having an over- <EMI ID=232.1> <EMI ID = 232.1> <EMI ID=233.1> <EMI ID = 233.1> <EMI ID=234.1> <EMI ID = 234.1> de of <EMI ID=235.1> <EMI ID = 235.1> étant supérieur being superior <EMI ID=236.1> <EMI ID=237.1> <EMI ID = 236.1> <EMI ID = 237.1> <EMI ID=238.1> <EMI ID = 238.1> <EMI ID=239.1> <EMI ID = 239.1> <EMI ID=240.1> <EMI ID = 240.1> <EMI ID=241.1> <EMI ID = 241.1> <EMI ID=242.1> <EMI ID = 242.1> <EMI ID=243.1> <EMI ID = 243.1> <EMI ID=244.1> <EMI ID = 244.1> <EMI ID=245.1> <EMI ID = 245.1> <EMI ID=246.1> <EMI ID = 246.1> <EMI ID=247.1> <EMI ID=248.1> <EMI ID = 247.1> <EMI ID = 248.1> et jusqu'à saturation, et le pH de la solution étants supérieur and until saturation, and the pH of the solution being higher <EMI ID=249.1> <EMI ID = 249.1> <EMI ID=250.1> <EMI ID = 250.1> d'une solution comprenant de l'eau. l'amide et un sel choisi of a solution comprising water. the amide and a selected salt <EMI ID=251.1> <EMI ID = 251.1> <EMI ID=252.1> <EMI ID = 252.1> <EMI ID=253.1> <EMI ID = 253.1> inférieur à la valeur à laquelle une hydrolyse importante du less than the value at which significant hydrolysis of <EMI ID=254.1> <EMI ID = 254.1> <EMI ID=255.1> <EMI ID=256.1> <EMI ID = 255.1> <EMI ID = 256.1> <EMI ID=257.1> <EMI ID = 257.1> portion acide de la molécule, acidic portion of the molecule, <EMI ID=258.1> <EMI ID = 258.1> <EMI ID=259.1> <EMI ID = 259.1> <EMI ID=260.1> <EMI ID = 260.1> poids, d'un composé organique dissous dans cette solution et weight, of an organic compound dissolved in this solution and <EMI ID=261.1> <EMI ID = 261.1> <EMI ID=262.1> <EMI ID = 262.1> poids, d'un composé organique dissous dans cette solution et weight, of an organic compound dissolved in this solution and <EMI ID=263.1> <EMI ID = 263.1> <EMI ID=264.1> <EMI ID = 264.1> 40. L'invention telle que décrite ci-dessus. 40. The invention as described above. <EMI ID=265.1> <EMI ID = 265.1> crits et revendiqués. written and claimed.
BE623657D 1962-10-05 BE623657A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1543093B1 (en) * 1964-11-24 1971-05-06 Ici Ltd Process for the reductive dimerization of acrylonitrile to adipic dinitrile

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR930001325B1 (en) * 1989-12-14 1993-02-26 몬산토 캄파니 Process for preparing butane tetracarboxylic acid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1543093B1 (en) * 1964-11-24 1971-05-06 Ici Ltd Process for the reductive dimerization of acrylonitrile to adipic dinitrile

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BE623691A (en)
JPS499448B1 (en) 1974-03-05
DE1468230B2 (en) 1973-06-20
NL272454A (en)
LU43077A1 (en) 1963-03-25
NL285564A (en)
SE304753B (en) 1968-10-07
DE1468230C3 (en) 1974-01-31
DE1468230A1 (en) 1969-01-09
NL126367C (en)

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