Patented Oct. 17, 1933 1930,845

UNITED STATES PATENT OFFICE

1930,845 PREPARATION OF AquEOUS DISPERSIONS Heinrich Ulrich and Curt Schuster, Ludwigs hafen-on-the-Rhine, Germany, assignors to E. G. Farbenindustrie Aktiengesellschaft, Frankfort-on-the-Main, Germany No Drawing. Application December 14, 1931, - Serial No. 581,062, and in the Netherlands January 26, 1931 6 Claims. (C. 252-6) The present invention relates to a process for pecially alkylated aromatic sulphonic acids or the preparation of aqueous dispersions. their salts, or with organic solvents, such as We have found that the salts of aliphatic car liquid, aliphatic, hydroaromatic or aromatic hy boxylic acids containing more than 8 carbon drocarbons, for example benzine, ligroin, benzene, atoms with aliphatic or mixed hydroaromatic toluene, Xylene, cyclohexane, or tetrahydronaph 80 aliphatic ammonia derivatives which contain one thalene, or liquid halogen derivatives thereof, or or more alkylol groups (-ROH; R=alkyl or cy aliphatic alcohols, esters or ethers, such as cloalkyl) can be employed with advantage as aux methanol, ethanol or butanol, butyl acetate, glycol iliaries for the preparation of aqueous disper esters, dibutyl ether and like usual solvents, or 0 Sions of water-insoluble, from liquid to solid, With a plurality of these substances for the prep 65 Organic fatty substances, i. e., of fats, oils and aration of the aqueous dispersions. waxes of all kind and of single com In many cases the said salts of aliphatic amines ponents of the said fats, oils and waxes. containing at least one alkylol group may ad For the sake of brevity the aforesaid aliphatic Wantageously be employed in conjunction with col 5 Or mixed hydroaromatic-aliphatic ammonia de loidal Substances, as for example glue, gelatine O rivatives are hereinafter referred to collec Or gun arabic. tively as "aliphatic amines containing at least The dispersions may be prepared for example One alkylol group'. The aiphatic carboxylic by Stirring for example iO0 parts of the fatty sub acids containing at least 8 carbon atoms which stance into about 100 parts of water in which 20 will be referred to hereafter as fatty acids com from 3 to 10 parts of the salt of the 75 prise Saturated and non-saturated carboxylic aliphatic amine, containing an alkylol group, are acids for example nonylic acid, , dissolved and adding 100 parts of water; the re undecylic acid, , , stearic Sulting emulsion may still be diluted with more acid, and , as well as the Water, according to the purpose in view. The commercial mixtures of such acids, such as are emulsions may also be preparated by mixing the 80 25 obtained for example by saponifying vegetable fatty Substance with the said salt and adding oils and fats, such as coco-nut fat or palm oil; water to the mixture. When preparing the oleic and stearic acids and commercial mixtures emulsions, the fatty acids which form the salt containing a substantial amount of these acids, with the aliphatic amine may be employed in 30 are, however, preferred for the preparation of the exceSS Over the quantity necessary for neutraliz 85 Salts with the said aliphatic amines containing ing the amine, the excess of acid being thus emull at least one alkylol group. The aforesaid salts Sified in a free State. Any known mechanical are very readily soluble in Water and allow of means and apparatus may be employed for car obtaining very finely divided and stable aqueous rying out the preparation of the dispersion. 90 35 dispersions of the said fatty substance. The wa The following examples will further illustrate ter-insoluble fatty Substances comprise for ex the nature of the present invention, which, how ample mineral oils Such as paraffin oil, mineral ever, is not limited thereto. The parts are by Waxes such as ozokerite, paraffin Wax and montan weight. Eacample 1 Wax, oils, fats and Waxes of vegetal, i. e. animal 95 40 and vegetable, origin, such as tallow, bees wax, carnauba, wax, cotton-seed oil, olive oil, palm oil, 5 parts of triethanolamine are dissolved in 300 coconut oil, as well as the Water-insoluble, Satu parts of Water. 100 parts of olein are gradually rated and non-Saturated fatty acids and water introduced into this Solution, while vigorously insoluble aliphatic alcohols which form the single Stirring. A very stable and durable emulsion 45 constituents of the aforesaid fats, oils and Waxes. which may be diluted with water to any degree 00 The aliphatic amines containing at least one is obtained on account of the formation of the alkylol group comprise for example mono-, di triethanol amine Salt of oleic acid. and triethanol amine, normal and iso-butyl Eacample 2 ethanol amines and normal and iso-butanol 05 50 amines, 6-ethylhexyl-ethanolamine, cyclohexyl 100 parts of olive oil are mixed, while stirring, mono- and diethanol amine, octadecylethanol With 20 parts of a 50 per cent aqueous solution amine and cyclohexanol-ethyl amine. The fatty of the Salt of butylated naphthalene sulphonic acid salts of these bases readily dissolve in Water acid and Octodecyl ethanolamine. 180 parts of and may be used either alone or in conjunction water are then gradually added, whereby a stable 55 With Soaps, Turkey-red oils, Sulphonic acids es emulsion is obtained. 0.

2 ,980,845 By further addition of water this emulsion can be diluted to any desired degree. selected from the class consisting of nonylic, Instead of olive oil, an equal amount of olein, caprylic, undecylic, lauric and elaidic acids. , machine oil, paraffin oil or paraffin 4. As new article of manufacture an aqueous wax may be employed, and instead of the said dispersion comprising a fatty Substance and a Salt salt of butylated naphthalene Sulphonic acid, of an aliphatic amine containing at least One 80 salts of stearic, oleic, palmitic or lauric acids with alkylol group with a mixture of aliphatic car-. other aliphatic amines of the kind defined, such boxylic acids containing more than 8 carbon as mono-, di- and tri-ethanolamine, or B-hexyl atoms, selected from the class consisting of O ethanolamine, may be used. nonylic, caprylic, undecylic, lauric and elaidic What we claim is:- acids. 85 1. As new article of manufacture an aqueous 5. As new article of manufacture, an aqueous dispersion comprising a fatty Substance and a dispersion comprising about 100 parts of a fatty salt of an aliphatic amine containing at least One Substance, from about 3 to about 10 parts of a 5 alkylol group with an aliphatic salt of an aliphatic amine containing at least One containing more than 8 carbon atoms, Selected alkylol group with an aliphatic carboxylic acid 90 from the class consisting of nonylic, caprylic, un containing more than 8 carbon atoms, selected decylic, lauric and elaidic acids. from the class consisting of nonylic, caprylic, un 2. As new article of manufacture an acqueous decylic, lauric and elaidic acids and at least 200 20 parts of water. dispersion comprising a fatty substance and a Salt 6. As an article of manufacture, an aqueous 95 of an ethanolamine with an aliphatic carboxylic dispersion comprising a fatty oil of vegetable ori acid containing more than 8 carbon atoms, gin and a Salt of triethanolamine with an ali selected from the class consisting of nonylic, phatic carboxylic acid containing more than 8 caprylic, undecylic, lauric and elaidic acids. carbon atoms, Selected from the class consisting 25 3. As new article of manufacture an aqueous dispersion comprising a fatty Substance and a Salt of lauric and elaidic acids. of triethanol-amine with an aliphatic carboxylic HENRICH ULRCH. acid containing more than 8 carbon atoms, CURT SCHUSTER. 80 105

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