BE629945A - - Google Patents

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Publication number
BE629945A
BE629945A BE629945DA BE629945A BE 629945 A BE629945 A BE 629945A BE 629945D A BE629945D A BE 629945DA BE 629945 A BE629945 A BE 629945A
Authority
BE
Belgium
Prior art keywords
calcium
sep
complex
alcoholate
oil
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 BE629945A publication Critical patent/BE629945A/fr
Priority claimed from US181930A external-priority patent/US3150088A/en

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    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C68/00Preparation of esters of carbonic or haloformic acids
    • C07C68/04Preparation of esters of carbonic or haloformic acids from carbon dioxide or inorganic carbonates
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    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F3/00Compounds containing elements of Groups 2 or 12 of the Periodic Table
    • C07F3/003Compounds containing elements of Groups 2 or 12 of the Periodic Table without C-Metal linkages
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    • C10M159/00Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
    • C10M159/12Reaction products
    • C10M159/20Reaction mixtures having an excess of neutralising base, e.g. so-called overbasic or highly basic products
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    • C10M2201/00Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/06Metal compounds
    • C10M2201/062Oxides; Hydroxides; Carbonates or bicarbonates
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    • C10M2203/00Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
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    • C10M2203/022Well-defined aliphatic compounds saturated
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Description

       

   <Desc/Clms Page number 1> 
 



   PREMIER BREVET   DE   PERFECTIONNEMENT "Procédé pour la fabrication d'une dispersion, contenant du calcium utilisable comme additif pour huile lubrifiante" ------- 
Société   dite :    1 CONTINENTAL   OIL   COMPANY   ------- Brevet principal d'importation   déposé   en Belgique le 
11 Août   1961   et accordé sous le N    607.145     CONVENTION     INTERNATIONALE    1 Demande   de brevet dépotée aux Etats-Unis   d'Amérique     le   23 mars 1962 sous le N  181.930 aux noms de Rack Williss HUNT Gerald   Le*   NIELD et Richard Milton tillman, 
Dans le brevet principal, on a décrit un procédé de préparation d'une dispersion stable,

   dans un véhicule non- volatil, d'un composé minéral renfermant du calcium. Plus par- ticulièrement on a décrit des dispersions d'un complexe   d'al-   coolate et de carbonate de calcium dans une huile lubrifiante,   On   a également décrit un procédé pour fabriquer ledit complexe qui répond à la formule suivante : 
 EMI1.1 
   @   dans laquelle R   est   un groupe alkyle en C1 à C6, ou un radical organique ayant pour formula : 

 <Desc/Clms Page number 2> 

 
 EMI2.1 
 dans laquelle R' est un groupe   alkyle   en C1 à c4, et iL   ce'):   compris entre 0,5 et 1,5, et de préférence entre 0,25 et 1,15. 



   On obtient ledit complexe en faisant réagir un alcool avec un composé du calcium, ce procédé étant caractérisé par le fait qu'il produit un gaz comme sous-produit,par réaction avec l'alcool, pour former un   alcoolat@   de   calcium.   On obtient alors le complexe en faisant réagir l'alcoolat* de calcium avec de l'anhydride carbonique. 



   Selon le brevet principal, on obtient la dispersion en mélangeant une solution alcoolique dudit complexe avec un agent dispersant soluble dans l'eau, un véhicule non-volatil et une quantité d'eau qui représente un excès stoéchiométrique. sur la quantité nécessaire pour réagir avec le complexe. On procède ensuite à l'hydrolyse du complexe et on chasse les produits volatile. 



   La présente invention comporte certaine changements et perfectionnements de l'invention tels que   décrits   dans le brevet principal, notamment en ce qui concerne la quantité d'eau mise en oeuvre'l'hydrolyse. 



   La   stoechiométrie   de la réaction d'hydrolyse dépend du degré de carbonatation du complexe, en d'autres termes de la valeur de   dans   la formule précédente* Lorsque ê dans la formule indiquée ci-dessus, est compris entre 0,5 et 1,0 on peut représenter la résetion d'hydrolyse de la manière   suivante :   

 <Desc/Clms Page number 3> 

 
 EMI3.1 
 lorsque 1 est compris entre 1,0 et 1,5,  on   peut   représenter la réaction d'hydrolyse comme suit :   
 EMI3.2 
 
La demanderesse a constaté qu'il faut qu'il y   ait à   tout   instant   un excès stoechimétrique d'eau, de manière à empêcher la formation de produite solides non dispersés. 



  De plus, la présence d'un excès d'eau assure la complète ré- cupération de l'alcool. En s'exprimant en moles, la quantité d'eau à utiliser est la suivante   2 il   convient qu'elle   soit   comprise entre 1,1 et 7,0 moles de complexe, à condition de satisfaire à la condition supplémentaire qu'il y en ait un excès stoechiométrique. Il convient encore mieux que la proportion d'eau soit comprise entre 1,55 et 4,0 moles par mole de complexe. La gamme préférée est de 1,6 à 2,4 moles d'eau par mole de complexe. 



   Tout en agitant ce mélange, on ajoute une quantité d'alcoolate et de carbonate de calcium calculée pour donner le degré voulu de   suraloalinisation.   Cette addition   se   fait de préférence lentement. Une fois cette addition terminée, on élimine les solvants volatils par distillation. Pendant les derniers stades de la distillation,   il   y a souvent inté- rêt à injecter un gaz pour faciliter l'élimination du solvant. 

 <Desc/Clms Page number 4> 

 



  On utilise de préférence de l'anhydride carbonique pour cette injection de   gaz.   L'élimination des solvants volatils laisse un produit fluide et brillant, qu'il n'est pas nécessaire en plus de filtrer ou de centrifuger. 



   On a déjà indiqué qu'il faut qu'il y   ait à   tout instant un excès   stoechiométrique   d'eau au cours de   l'hydro-   lyse. Ceci est vrai tant quand on opère par chargea séparées qu'en continu.   On   ne veut pas dire que la totalité de l'eau doit être ajoutée dans le récipient de réaction avant d'ajou- ter le complexe de carbonate et   d'alooolate   de calcium. 



  Ce que l'on veut dire, c'est que, en ajoutant l'eau et le com- plexe d'alcoolate de calcium dans le récipient de réaction,   il   faut   qu'il   y ait toujours un excès stoeohiométrique d'eau dans ce récipient. Autrement on se trouve en présence de pro- duite solides non dispersés. On ajoute de préférence dans le récipient de réaction une petite quantité d'eau (de 10 à 25 % de la quantité totale à ajouter), avant d'ajouter une quantité quelconque de complexe et on ajoute simultanément le reste de   l'eau   et du complexe. 



   On a constaté qu'il y avantage, particulièrement en opération industrielle, à   utiliser   un aréotrope du monoéther alcool et d'eau à la place de   l'eau   seule, pour hydrolyser l'intermédiaire. Ceci parce que les   monoéther   alcools forment des azéotropes avec   l'eau   et il est difficile de les récupérer à partir de l'azéotrope. 



    Exemple 1   
Série de   fabrications   en atelier, Pilote. 



  Produit intermédiaire. 



   On a fabriqué plusieurs charges de produits interné-   diaires   pour les utiliser dans ces fabrications.   On   fabrique      

 <Desc/Clms Page number 5> 

 les produite intermédiaires en partant de carbonate de car-      
 EMI5.1 
 oiuift et de aéthoxyëthanol, puis en injectant du 0020 lies   analyse@     des   charges sont les   suivantes   
 EMI5.2 
 Charge % en poids de Oa % en poids de 002 Rapport molaîr*1 No. 0-0,î/ca 
 EMI5.3 
 
<tb> 1 <SEP> 7,90 <SEP> 9,06 <SEP> 1,04
<tb> 
<tb> 2 <SEP> 8,12 <SEP> 9,69 <SEP> 1,08
<tb> 
<tb> 7,49 <SEP> 8,98 <SEP> 1,09
<tb> 
<tb> 4 <SEP> 8.03 <SEP> 9,54 <SEP> 1,08
<tb> 
 
 EMI5.4 
 5 8,00 9.09 1,03 
 EMI5.5 
 
<tb> 6 <SEP> 7,56 <SEP> 9,39 <SEP> 1,13
<tb> 
 
 EMI5.6 
 7 8,01 .

   10,40 1,18 a 8,04 10,32 1,17 9 8,08 8,82 0,99 
 EMI5.7 
 
<tb> 10 <SEP> 8,10 <SEP> 9,36 <SEP> 1,08
<tb> 
<tb> 11 <SEP> 8,24 <SEP> 9,60 <SEP> 1,06
<tb> 
<tb> 12 <SEP> 8,23 <SEP> 10,32 <SEP> 1,11
<tb> 
 
 EMI5.8 
 Acide sutoni9ue. 



  On utilise dans ces fabrications la même charge*' d'acide pootdocécylbenzène sulfonique. Son analyse est la suivante : 
Solvant   (hexane) ; %   en poids 52,23   Eau, %   en poids   0,7   
Acide, % en poids   47,07   
Acidité totale (meq/g) 0,564 
Acidité   sulfonique   (meq/g) 0,564 
Poids combinable (exprimé en Ca) 467 
 EMI5.9 
 2, dtR,r. 



  On ajoute la solution d'acide au,'on,qus dans un récipient à réaction Pfaudler de 1890 litres, muni d'un coin- denseur a reflux et d'un aitateu. On ajoute dans le récipient 

 <Desc/Clms Page number 6> 

 
 EMI6.1 
 à réaction 15 de l'azéotrope eau-méthoxy méthanol. On y ajoute ensuite 15 % de l'huile diluante (huile dit* "100 pale"). 



  On ajoute ensuite dans le récipient de réaction une certaine quantité du produit intermédiaire à base de calcium (calculée 
 EMI6.2 
 pour neutraliser l'aoide aulfonique). Mr durée de l'addition varie entre 15 et 35 minutée, suivant les conditîons de pom- page et la quantité de mousse formées Au court de l'addition, la température   est   de 38 C environ. On ajoute simultanément la quantité calculée de produit intermédiaire nécessaire pour 
 EMI6.3 
 suralcalînîser et les routes (65 %) de l'azéotrope eau-mèthoxy méthanol. La durée de l'addition varie entre 40 et 55 minutes* 
 EMI6.4 
 La température d'addition est comprise entre 32 et 4110.

   On ajoute le reste de l'huile diluante (25 ;) après avoir sural- calinieds On élimine les solvants par distillation (3heures k 4 heures et demie), après quoi on injecte du 002 à 149*0 pendant 2   heur..,   pour faciliter l'élimination du solvant. 
 EMI6.5 
 
<tb> Charge. <SEP> 12-A
<tb> 
 
 EMI6.6 
 ."1,1 NI 12-A ,?.2-,B, 12-9 12-D 12-3 Acide sultonique (kg) 770 770 770 770 770 Azéotrope (6) (kg) B7t4 82,4 57l8 70.2 67.4 
 EMI6.7 
 
<tb> 
<tb> 
<tb> Produit <SEP> intermédiaire
<tb> 
<tb> (kg) <SEP> 1022 <SEP> (1) <SEP> 1054 <SEP> (2) <SEP> 998 <SEP> (3) <SEP> 1010 <SEP> (4) <SEP> 1022(1;
<tb> 
<tb> 
<tb> 
<tb> Huile <SEP> diluante <SEP> (kg) <SEP> 90 <SEP> 90 <SEP> 90 <SEP> 90 <SEP> 90 <SEP> ' <SEP> 
<tb> 
 
 EMI6.8 
 s20 utili84.

   (MOI** 
 EMI6.9 
 
<tb> par <SEP> molto <SEP> de <SEP> produit
<tb> 
<tb> 
<tb> 
<tb> 
<tb> 
<tb> intermédiaire) <SEP> 2,00 <SEP> 1,90 <SEP> 1,80 <SEP> 1,60 <SEP> 2,00
<tb> 
 
 EMI6.10 
 (1) 114 kg d'un mélange des charges 6 et 7 Pour 19 noutr*114&ttOn 915 kg de la charge Yµ 6 pour suraloallnistre (2) 103 kg d'une charge oompoI1" pour la n.utra1ilation 1 951 kg de la charge 00 3 peu? luralo&11ni..r. 



  (3) charge nt3. 



  (4) 109 kg d'une charge compoolte polir la n.utr&111't1on 1 901 kg de la charge St 1 pour .uraloa1in1..r. 

 <Desc/Clms Page number 7> 

 



  (6) L'azéotrope est synthétique ;on le prépare en mélangeant 
 EMI7.1 
 de l'eau et du mèthoxy éthanol 1 il renferme 66 - environ d'eau. 



  Produits. 
 EMI7.2 
 IML-10- 12-A lB 12-0 !±=± 12=E 
 EMI7.3 
 
<tb> Activité <SEP> (% <SEP> en
<tb> 
 
 EMI7.4 
 poids) 29,1 29,5 29,8 29,8 29.5 
 EMI7.5 
 
<tb> Indice <SEP> de <SEP> base
<tb> (en <SEP> acide <SEP> acétique) <SEP> 336 <SEP> 315 <SEP> 309 <SEP> 315 <SEP> 329
<tb> 
 
 EMI7.6 
 Calcium (& en poids) 13tl 12,5 1211 12,1 12o7 00 2 (% en poids) 12,6 11,9 11,9 11,7 12,3 
 EMI7.7 
 
<tb> Poids <SEP> moléculaire <SEP> 934 <SEP> 934 <SEP> 934 <SEP> 934 <SEP> 934
<tb> 
 
 EMI7.8 
 Densité à 15t69O 1,1053 1,1516 1,1549 1,1291 1,1125 Viscosité à 98,9"0 (os) 305,6 316,7 246,3 290,8 251,3 H2 0 z en poids) ü, 3 0,7 0,7 0,7 0, 6 Point éclair Cleve.

   
 EMI7.9 
 
<tb> land <SEP>  C <SEP> 193 <SEP> 196 <SEP> 210 <SEP> 179 <SEP> 193
<tb> 
<tb> 
<tb> 
<tb> Point <SEP> de <SEP> feu <SEP> Oleve-
<tb> 
<tb> land <SEP>  C <SEP> F <SEP> 210 <SEP> 229 <SEP> 202 <SEP> P
<tb> 
 
 EMI7.10 
 Point de figeage 90 10 1208 12,8 10 12,8 
 EMI7.11 
 
<tb> Rendement <SEP> (kg) <SEP> 690 <SEP> 676 <SEP> 661 <SEP> 665 <SEP> 691
<tb> 
   Exemple 2   
Cet exemple montre que pratiquement   la   totalité de l'anhydride carbonique se trouvant dans le produit inter-   médiaire   est utilisée pour former du carbonate de calcium dans le produit. 



  Mode   opératoire    
On introduit dans un ballon de 2 litres à 3 tubu- lures, muni d'un agitateur, d'un condenseur, de deux enton-   noirs   à robinet, d'un thermomètre et d'une enveloppe chauffante.   les produits suivants t   

 <Desc/Clms Page number 8> 

   400   parties de solution d'acide sulfonique (I) 
86 parties d'huile   "100   pâle"   11,5   parties de solution de   mthoxy     éthanol   et d'eau (rapport pondéral   70  : 30) 
On chauffe le contenu du ballon en agitant, à la température de 43 C.

   On ajoute ensuite simultanément les pro- duits suivante en l'espace d'une heure tout en agitant et en ;maintenant la température à 43 C. environ 
585 parties de solution de produit intermédiaire à base de calcium (2) 
45,5 parties de solution de   méthoxyéthanol   et   d'eau   (rapport pondéral   70  : 30)   (1)   La solution d'acide sulfonique renferme 26,6 % (en poids)d'acide post-dodécylbenzène   sulfonique,   21,4 % (en poids) d'huile dite "100   pâle",   et 52,-   (en   poids)   d'hexa-   ne. Le poids combinable de l'acide sulfurique est de 454. 



   (2) La solution de produit intermédiaire à base de   . calcium   renferme 7,90 % de Oa et   9,06   de CO2, ce qui cor- respond à un rapport molaire CO2: Ca de 1,04. 



   Une fois terminée l'addition simultanée, on élimine les solvants volatils par distillation jusqu'à oe que la tem- pérature dans le ballon soit de 150 C. A oe moment on   divise   le produit presque terminé en deux parties.   On   charge chacune de ces parties dans un ballon de un litre muni d'un agitateur, d'un thermomètre, d'une enveloppe chauffante, d'un condenseur et d'un injecteur de gaz en verre fritte. Dans une des parties on injecte de l'azote gazeux à 150 C pendant une heure.

   Dans l'autre partie on injecte de l'anhydride carbonique gazeux pendant une heure à   15000.   On refroidit ensuite les deux parties et on analyse un échantillon de chacune d'elles.   Les   analyses de ces produits sont les suivantes t 

 <Desc/Clms Page number 9> 

 
 EMI9.1 
 Ot (e en poids) 002 (% en poids) Rapport mo-' 0-0 --i laire oO;

  /Oa 
 EMI9.2 
 
<tb> Produit <SEP> soufflé
<tb> 
 
 EMI9.3 
 avec du C02 11,60 1103 Oo978 
 EMI9.4 
 
<tb> Produit <SEP> soufflé
<tb> 
 
 EMI9.5 
 avec X 2 11,49 1008 0,960 
L'examen de ces résultats montre que pratiquement tout l'anhydride carbonique présent dans le produit inter-   médiaire     est   utilisé pour former du CaCO3 dans le produit fini, De plue, il est manifeste que très peu du CO2 utilisé pour   l'injection   de gaz est utilisé et reste dans le pro- duit final.



   <Desc / Clms Page number 1>
 



   FIRST PERFECTIONING PATENT "Process for the manufacture of a dispersion, containing calcium which can be used as an additive for lubricating oil" -------
Company known as: 1 CONTINENTAL OIL COMPANY ------- Main import patent filed in Belgium on
August 11, 1961 and granted under N 607.145 INTERNATIONAL CONVENTION 1 Patent application filed in the United States of America on March 23, 1962 under N 181.930 in the names of Rack Williss HUNT Gerald Le * NIELD and Richard Milton tillman,
In the main patent, a process for preparing a stable dispersion has been described,

   in a non-volatile vehicle, of a mineral compound containing calcium. More particularly, dispersions of a complex of alcohol and calcium carbonate in a lubricating oil have been described. A process has also been described for manufacturing said complex which corresponds to the following formula:
 EMI1.1
   @ in which R is a C1 to C6 alkyl group, or an organic radical having the formula:

 <Desc / Clms Page number 2>

 
 EMI2.1
 in which R ′ is a C1 to c4 alkyl group, and iL ce ′): between 0.5 and 1.5, and preferably between 0.25 and 1.15.



   Said complex is obtained by reacting an alcohol with a calcium compound, this process being characterized in that it produces a gas as a by-product, on reaction with the alcohol, to form a calcium alcoholate. The complex is then obtained by reacting the calcium alcoholate with carbon dioxide.



   According to the main patent, the dispersion is obtained by mixing an alcoholic solution of said complex with a dispersing agent soluble in water, a non-volatile vehicle and a quantity of water which represents a stoichiometric excess. on the amount necessary to react with the complex. The complex is then hydrolyzed and the volatile products are removed.



   The present invention includes certain changes and improvements of the invention as described in the main patent, in particular with regard to the quantity of water used in the hydrolysis.



   The stoichiometry of the hydrolysis reaction depends on the degree of carbonation of the complex, in other words on the value of in the previous formula * When ê in the formula given above, is between 0.5 and 1.0 the hydrolysis resetion can be represented as follows:

 <Desc / Clms Page number 3>

 
 EMI3.1
 when 1 is between 1.0 and 1.5, the hydrolysis reaction can be represented as follows:
 EMI3.2
 
The Applicant has observed that there must be a stoichiometric excess of water at all times, so as to prevent the formation of non-dispersed solid products.



  In addition, the presence of excess water assures complete recovery of the alcohol. Expressed in moles, the quantity of water to be used is as follows 2 it should be between 1.1 and 7.0 moles of complex, provided that the additional condition that there is has a stoichiometric excess. It is even better if the proportion of water is between 1.55 and 4.0 moles per mole of complex. The preferred range is 1.6 to 2.4 moles of water per mole of complex.



   While stirring this mixture, an amount of alkoxide and calcium carbonate calculated to give the desired degree of superaloalization is added. This addition is preferably done slowly. Once this addition is complete, the volatile solvents are removed by distillation. During the later stages of distillation, there is often an advantage in injecting a gas to facilitate the removal of the solvent.

 <Desc / Clms Page number 4>

 



  Carbon dioxide is preferably used for this gas injection. Removal of volatile solvents leaves a fluid and shiny product, which does not need to be further filtered or centrifuged.



   It has already been indicated that there must be a stoichiometric excess of water at all times during the hydrolysis. This is true both when operating by separate charge and continuously. This is not to say that all of the water must be added to the reaction vessel before adding the complex of calcium carbonate and aloolate.



  What is meant is that, when adding the water and the calcium alcoholate complex to the reaction vessel, there must always be a stohiometric excess of water in it. container. Otherwise we are in the presence of non-dispersed solids. A small amount of water (10 to 25% of the total amount to be added) is preferably added to the reaction vessel, before adding any amount of complex, and the remainder of the water and the mixture are simultaneously added. complex.



   It has been found that there is an advantage, particularly in industrial operation, in using an areotrope of the monoether alcohol and of water instead of water alone, to hydrolyze the intermediate. This is because monoether alcohols form azeotropes with water and it is difficult to recover them from the azeotrope.



    Example 1
Series of workshop productions, Pilot.



  Intermediate product.



   Several loads of internals were manufactured for use in these manufactures. We make

 <Desc / Clms Page number 5>

 intermediate products starting from carbonate of carbon
 EMI5.1
 oiuift and aethoxyethanol, then injecting 0020 lees analysis @ loads are as follows
 EMI5.2
 Load% by weight of Oa% by weight of 002 Molar ratio * 1 No. 0-0.
 EMI5.3
 
<tb> 1 <SEP> 7.90 <SEP> 9.06 <SEP> 1.04
<tb>
<tb> 2 <SEP> 8.12 <SEP> 9.69 <SEP> 1.08
<tb>
<tb> 7.49 <SEP> 8.98 <SEP> 1.09
<tb>
<tb> 4 <SEP> 8.03 <SEP> 9.54 <SEP> 1.08
<tb>
 
 EMI5.4
 5 8.00 9.09 1.03
 EMI5.5
 
<tb> 6 <SEP> 7.56 <SEP> 9.39 <SEP> 1.13
<tb>
 
 EMI5.6
 7 8.01.

   10.40 1.18 a 8.04 10.32 1.17 9 8.08 8.82 0.99
 EMI5.7
 
<tb> 10 <SEP> 8.10 <SEP> 9.36 <SEP> 1.08
<tb>
<tb> 11 <SEP> 8.24 <SEP> 9.60 <SEP> 1.06
<tb>
<tb> 12 <SEP> 8.23 <SEP> 10.32 <SEP> 1.11
<tb>
 
 EMI5.8
 Sutonic acid.



  The same charge of pootdocecylbenzene sulfonic acid is used in these preparations. His analysis is as follows:
Solvent (hexane); % by weight 52.23 Water,% by weight 0.7
Acid, wt% 47.07
Total acidity (meq / g) 0.564
Sulfonic acidity (meq / g) 0.564
Combinable weight (expressed in Ca) 467
 EMI5.9
 2, dtR, r.



  The acid solution is added to the mixture in an 1890 liter Pfaudler reaction vessel fitted with a reflux co-denser and an aid. We add to the container

 <Desc / Clms Page number 6>

 
 EMI6.1
 reacting with the water-methoxy methanol azeotrope. 15% of the diluent oil (so-called "100 pale" oil) is then added thereto.



  A quantity of the calcium-based intermediate product is then added to the reaction vessel (calculated
 EMI6.2
 to neutralize aulfonic acid). The duration of the addition varies between 15 and 35 minutes, depending on the conditions of pumping and the amount of foam formed. During the addition, the temperature is about 38 C. Simultaneously add the calculated amount of intermediate product necessary for
 EMI6.3
 superalkalizing and routes (65%) of the water-methoxy methanol azeotrope. The duration of the addition varies between 40 and 55 minutes *
 EMI6.4
 The addition temperature is between 32 and 4110.

   The remainder of the diluting oil (25;) is added after having overalized. The solvents are removed by distillation (3 hours to 4 and a half hours), after which 002 to 149 * 0 are injected for 2 hours. facilitate the removal of the solvent.
 EMI6.5
 
<tb> Charge. <SEP> 12-A
<tb>
 
 EMI6.6
 . "1.1 NI 12-A,?. 2-, B, 12-9 12-D 12-3 Sultonic acid (kg) 770 770 770 770 770 Azeotrope (6) (kg) B7t4 82.4 57l8 70.2 67.4
 EMI6.7
 
<tb>
<tb>
<tb> Intermediate <SEP> product
<tb>
<tb> (kg) <SEP> 1022 <SEP> (1) <SEP> 1054 <SEP> (2) <SEP> 998 <SEP> (3) <SEP> 1010 <SEP> (4) <SEP> 1022 (1;
<tb>
<tb>
<tb>
<tb> Thinner <SEP> oil <SEP> (kg) <SEP> 90 <SEP> 90 <SEP> 90 <SEP> 90 <SEP> 90 <SEP> '<SEP>
<tb>
 
 EMI6.8
 s20 utili84.

   (ME**
 EMI6.9
 
<tb> by <SEP> molto <SEP> from <SEP> product
<tb>
<tb>
<tb>
<tb>
<tb>
<tb> intermediate) <SEP> 2.00 <SEP> 1.90 <SEP> 1.80 <SEP> 1.60 <SEP> 2.00
<tb>
 
 EMI6.10
 (1) 114 kg of a mixture of loads 6 and 7 For 19 noutr * 114 & ttOn 915 kg of load Yµ 6 for suraloallnistre (2) 103 kg of a load oompoI1 "for n.utra1ilation 1 951 kg of load 00 3 little? Luralo & 11ni..r.



  (3) load nt3.



  (4) 109 kg of a compooled load polish n.utr & 111't1on 1,901 kg of load St 1 for .uraloa1in1..r.

 <Desc / Clms Page number 7>

 



  (6) Azeotrope is synthetic; it is prepared by mixing
 EMI7.1
 water and methoxy ethanol 1 it contains 66 - approximately water.



  Products.
 EMI7.2
 IML-10- 12-A lB 12-0! ± = ± 12 = E
 EMI7.3
 
<tb> Activity <SEP> (% <SEP> in
<tb>
 
 EMI7.4
 weight) 29.1 29.5 29.8 29.8 29.5
 EMI7.5
 
<tb> <SEP> index of <SEP> base
<tb> (in <SEP> <SEP> acetic acid) <SEP> 336 <SEP> 315 <SEP> 309 <SEP> 315 <SEP> 329
<tb>
 
 EMI7.6
 Calcium (& by weight) 13tl 12.5 1211 12.1 12o7 00 2 (% by weight) 12.6 11.9 11.9 11.7 12.3
 EMI7.7
 
<tb> Molecular <SEP> weight <SEP> 934 <SEP> 934 <SEP> 934 <SEP> 934 <SEP> 934
<tb>
 
 EMI7.8
 Density at 15t69O 1.1053 1.1516 1.1549 1.1291 1.1125 Viscosity at 98.9 "0 (bone) 305.6 316.7 246.3 290.8 251.3 H2 0 z by weight) ü , 3 0.7 0.7 0.7 0.6 Flash point Cleve.

   
 EMI7.9
 
<tb> land <SEP> C <SEP> 193 <SEP> 196 <SEP> 210 <SEP> 179 <SEP> 193
<tb>
<tb>
<tb>
<tb> Point <SEP> of <SEP> fire <SEP> Oleve-
<tb>
<tb> land <SEP> C <SEP> F <SEP> 210 <SEP> 229 <SEP> 202 <SEP> P
<tb>
 
 EMI7.10
 Freezing point 90 10 1208 12.8 10 12.8
 EMI7.11
 
<tb> Efficiency <SEP> (kg) <SEP> 690 <SEP> 676 <SEP> 661 <SEP> 665 <SEP> 691
<tb>
   Example 2
This example shows that substantially all of the carbon dioxide in the intermediate is used to form calcium carbonate in the product.



  Procedure
It is introduced into a 2-liter 3-pipe flask fitted with a stirrer, a condenser, two funnels with stopcock, a thermometer and a heating jacket. the following products t

 <Desc / Clms Page number 8>

   400 parts of sulfonic acid solution (I)
86 parts of "100 pale" oil 11.5 parts of methoxy ethanol and water solution (weight ratio 70:30)
The contents of the flask are heated while stirring, to a temperature of 43 C.

   The following products are then added simultaneously over the course of an hour while stirring and maintaining the temperature at about 43 ° C.
585 parts calcium-based intermediate solution (2)
45.5 parts of methoxyethanol and water solution (weight ratio 70:30) (1) The sulfonic acid solution contains 26.6% (by weight) of post-dodecylbenzene sulfonic acid, 21.4% ( by weight) of so-called "100 pale" oil, and 52, - (by weight) of hexane. The combinable weight of sulfuric acid is 454.



   (2) The intermediate product solution based on. Calcium contains 7.90% Oa and 9.06% CO2, which corresponds to a CO2: Ca molar ratio of 1.04.



   When the simultaneous addition is complete, the volatile solvents are removed by distillation until the temperature in the flask is 150 ° C. At this point the nearly finished product is divided into two parts. Each of these parts is charged into a one liter flask fitted with a stirrer, a thermometer, a heating jacket, a condenser and a sintered glass gas injector. Nitrogen gas at 150 ° C. for one hour is injected into one of the parts.

   In the other part is injected carbon dioxide gas for one hour at 15000. The two parts are then cooled and a sample of each of them is analyzed. The analyzes of these products are as follows t

 <Desc / Clms Page number 9>

 
 EMI9.1
 Ot (wt.) 002 (wt.%) Ratio 0-0 - light oO;

  / Oa
 EMI9.2
 
<tb> Blown <SEP> product
<tb>
 
 EMI9.3
 with C02 11.60 1103 Oo978
 EMI9.4
 
<tb> Blown <SEP> product
<tb>
 
 EMI9.5
 with X 2 11.49 1008 0.960
Examination of these results shows that virtually all of the carbon dioxide present in the intermediate product is used to form CaCO3 in the finished product. Furthermore, it is evident that very little of the CO2 used for gas injection. is used and remains in the final product.


    

Claims (1)

RESUME A. Procédé de fabrication d'une dispersion stable d'un composé minéral basique renfermant du calcium, dans un véhicule non volatil, ce composé minéral se trouvant sous forme de particules ayant un diamètre ne dépassant pas 0,25 micron environ, selon lequel t I) (a) on mélange une solution alcoolique d'un complexe soluble dans l'huile, d'alcoolate et de carbonate de calcium d'un véhiot e non volatil et d'une quantité d'eau supérieure à celle stoechiométriquement nécessaire pour hydrolyser ce complexe d'alcoolate et de carbonate de calcium ; (b) On hydrolyse le mélange résultant, de aorte qu'il se forme ce composé minéral, puis: ABSTRACT A. Process for manufacturing a stable dispersion of a basic inorganic compound containing calcium, in a non-volatile vehicle, this inorganic compound being in the form of particles having a diameter not exceeding about 0.25 microns, according to which t I) (a) mixing an alcoholic solution of a complex soluble in oil, alcoholate and calcium carbonate of a non-volatile vehicle and a quantity of water greater than that stoichiometrically necessary to hydrolyze this complex of alcoholate and calcium carbonate; (b) The resulting mixture is hydrolyzed so that this mineral compound is formed, then: (c) On élimine les produits volatils, ce procédé étant caractérisé par les points suivants, séparément ou en combi- naisons : 1) On fabrique le complexe d'alcoolate et de carbo- nate de calcium du stade (a) par un procédé consistant à: (c) The volatile products are removed, this process being characterized by the following points, separately or in combination: 1) The alcoholate and calcium carbonate complex of step (a) is produced by a process consisting of: (1) faire réagir un composé du calcium, produisant un gaz par réaction avec un alcool, avec un alcool ne :,'enter- <Desc/Clms Page number 10> ment pas plus de 8 atomes de carbone et Constitué par un al- cool primaire à chaîne ramifiée, un alcool primaire hologéné, un monoéther-alcool de l'éthylène glycol ou un monoéther- alcool du diéthylène glycol, pour former un alcoolate de calcium, (2)Faire panser de l'anhydride carbonique dans l'al- coolate de l'alcoolat* de calcium pour former un complexe d'alcoolat et de carbonate de calcium. (1) reacting a calcium compound, producing a gas by reaction with an alcohol, with an alcohol ne:, 'enter- <Desc / Clms Page number 10> not more than 8 carbon atoms and Constituted by a branched-chain primary alcohol, a hologated primary alcohol, an ethylene glycol monoether alcohol or a diethylene glycol monoether alcohol, to form a calcium alcoholate, (2) Dressing carbon dioxide in the alcoholate of the calcium alcoholate * to form a complex of alcoholate and calcium carbonate. 2) L'agent dispersant est un acide sulfonique, un acide carboxylique, des oléfines traitée$ par le sulfure de phos- phore et leurs sels métalliques, solubles dans l'huile. 2) The dispersing agent is sulfonic acid, carboxylic acid, olefins treated with phosphorus sulfide and their metal salts, soluble in oil. 3) L'agent dispersant est un acide sulfonique so- lubie dans l'huile. 3) The dispersing agent is an oil-soluble sulfonic acid. 4) L'agent dispersant est un sulfonate métallique so- luble dans l'huile. 4) The dispersing agent is an oil soluble metal sulfonate. 5) L'agent dispersant cet un acide carboxylique soluble dans l'huile. 5) The dispersing agent is an oil soluble carboxylic acid. 6) L'agent dispersant eat un soit soluble dans l'huila, d'un acide carboxylique. o) L'agent dispersant est une oléfine traitée par du sulfure de phosphore, et soluble dans l'huile. 6) The dispersing agent is an oil soluble or carboxylic acid. o) The dispersing agent is an olefin treated with phosphorus sulfide, and soluble in oil. 6) L'agent dispersant est un ael métallique, soluble dans l'huile, d'une oléfine traitée par le sulfure de phos- phore. 6) The dispersing agent is an oil soluble metal al of an olefin treated with phosphorus sulfide. 9) Le véhicule non volatil est une huile de graissages 10) Le véhicule non volatil eat une huile de graissage liquide 11) La quantité d'eau stoechiométriquement supérieure à celle nécessaire pour hydrolyaur le complexe d'alcoolat* et de carbonate de calcium est comprise entre 1 1 et 7,0 mois* <Desc/Clms Page number 11> environ par mole dudit complexe, et l'on prépare ce complexe (1) en faisant réagir un composé du calcium qui produit un gaz par réaction avec du méthanol, en présence d'un catalyseur constitué par du peroxyde de benzoyle. de l'hydro- peroxyde de butyle tertiaire, du trichlorure de phosphore, de l'acide toluène sulfonique, 9) The non-volatile vehicle is a lubricating oil 10) The non-volatile vehicle is a liquid lubricating oil 11) The amount of water stoichiometrically greater than that required to hydrolyze the complex of alcoholate * and calcium carbonate is between 1 1 and 7.0 months * <Desc / Clms Page number 11> approximately per mole of said complex, and this complex (1) is prepared by reacting a calcium compound which produces a gas by reaction with methanol, in the presence of a catalyst consisting of benzoyl peroxide. tertiary butyl hydroperoxide, phosphorus trichloride, toluenesulfonic acid, de l'acide poetdo l$écylbenzène sul- tonique, de l'acide sulfurique et du chlorure de calcium, pour former du méthylate de calcium. poetdo l $ ecylbenzene sultonic acid, sulfuric acid and calcium chloride, to form calcium methoxide. (2) en transestérifiant le méthylate de calcium en ieobutylate de calcium, et i (3) en faisant panser dans le mélange au moine 1,5 mole d'anhydride carbonique par mole de cet isobutylate de calcium. (2) by transesterifying calcium methoxide to calcium butoxide, and (3) by dressing in the mixture with monk 1.5 moles of carbon dioxide per mole of this calcium isobutoxide. 12) On prépare ce complexe : (1) en faisant réagir un composé du calcium, qui produit un gaz par réaction avec un alcool, avec un monoéther alcool de l'éthylène glyool, ayant de 3 à 8 atomes de carbone, pour former un alcoolate de calcium, et : (2) en faisant passer le mélange de 0,5 à 1,50 mole d'anhydride carbonique par mole dudit alooolate de cal- oium. 12) This complex is prepared: (1) by reacting a calcium compound, which produces a gas by reaction with an alcohol, with a monoether alcohol of ethylene glyool, having 3 to 8 carbon atoms, to form a calcium alcoholate, and: (2) changing the mixture from 0.5 to 1.50 moles of carbon dioxide per mole of said calcium alooolate. 13) La quantité d'eau est de 1,6 à 2,4 moles environ par mole de complexe d'alooolate et de carbonate de calcium* 14) On injecte de l'anhydride carbonique dans le mé- lange réactionnel pendant l'élimination des substances vola- tiles. 13) The amount of water is approximately 1.6 to 2.4 moles per mole of alooolate and calcium carbonate complex * 14) Carbon dioxide is injected into the reaction mixture during removal volatile substances. B. A titre de produite industriels nouveaux : 15) Un complexe d'alcoolate de carbonate de calcium caractérisé par les points suivante, pria isolément ou en oom- binaisons t a) Il a pour formule : <Desc/Clms Page number 12> EMI12.1 daas laquelle R représente un groupe alkyle de C1 à C4 ou un radical organique de formule : EMI12.2 dans laquelle R' est un groupe alkyle de C1 à C4 et 1 est un nombre variant de 0,5 à 1.5. b) R est un groupe méthyle* c) R est un groupe éthyle. B. As a new industrial product: 15) A calcium carbonate alcoholate complex characterized by the following points, prayed alone or in combinations t a) It has the formula: <Desc / Clms Page number 12> EMI12.1 in which R represents an alkyl group from C1 to C4 or an organic radical of formula: EMI12.2 in which R 'is an alkyl group from C1 to C4 and 1 is a number varying from 0.5 to 1.5. b) R is a methyl group * c) R is an ethyl group. 16) Une composition d'huile lubrifiante renfermant de 1 à 20 % en poids environ d'une dispersion table d'un composé minéral basique,renfermant du oaloium, dans un véhi- cule non volatil, ledit composa minéral se trouvant nous la forme de particules dont le diamètre ne dépasse pas 0,25 microns cette dispersion stable étant fabriquée par un procédé tel que décrit sous A. 16) A lubricating oil composition containing from 1 to 20% by weight approximately of a table dispersion of a basic inorganic compound, containing aluminum, in a non-volatile vehicle, said inorganic compound being in the form of particles whose diameter does not exceed 0.25 microns, this stable dispersion being produced by a process as described under A. 17) Une composition d'huile lubrifiante pour moteur@ Diesel marins, renfermant de 5 à 25 % en poids environ d'une dispersion stable d'un composé minéral basique renfermant du calcium, dans un véhicule non volatil, ledit composé minéral se trouvant sous forme de particules dont le diamètre ne dé- passe pas 0,25 micron ;cette dispersion stable étant fabri- quée par un procédé tel que décrit sous A. 17) A lubricating oil composition for marine diesel engines, containing from 5 to 25% by weight approximately of a stable dispersion of a basic mineral compound containing calcium, in a non-volatile vehicle, said mineral compound being found under in the form of particles the diameter of which does not exceed 0.25 microns; this stable dispersion being produced by a process as described under A.
BE629945D 1959-05-11 BE629945A (en)

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US81228859A 1959-05-11 1959-05-11
US1503260A 1960-03-31 1960-03-31
US181930A US3150088A (en) 1962-03-23 1962-03-23 Highly basic calcium-containing additive agent

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