DE306059C - - Google Patents

Description

IMPERIAL

PATENT OFFICE.

in Hamburg.

It is known that alcohol-like bodies, which are sparingly soluble in water, are caused by the mediation of Soaps of all kinds can be made more easily soluble in water. On the other hand it does not succeed Hydrocarbons, terpenes and similar substances using soaps to a significant extent to dissolve in water. Sulphonated fats or fatty acids already work better with these substances and their salts and resin soaps. but

ίο also in this way can most of the aforementioned substances only in a relatively small percentage in solution bring. Further additions result in segregation, and dilution with water does not result in a solution or permanent emulsion more, spnderp the added hydrocarbon accumulates depending on the specific Weight when standing briefly above or below the aqueous solution. Although she speaks

ad German patent 169930 that the addition of larger amounts of alkali increases the dissolving power of the soap mentioned there compared to carbon tetrachloride can be increased considerably, and also the French Patent 372276 speaks of the possibility of such hydrocarbon-containing Add varying amounts of alkali metal hydroxide carbonate or silicate to products, such that an acidic, neutral or alkaline end product is obtained. The on this However, the water solubility that can be obtained in this way remains far behind that of the following achievable procedures outlined.

Because it was the 'surprising discovery made that small amounts of neutral alkali salts organic or inorganic Acids give the resinous and sulfonated soaps the ability five or six times to solubilize as much hydrocarbons, etc., as without the addition of those mentioned Alkali salts. This behavior must be extremely surprising / as it is known otherwise both in the Laboratory operation as in technology the salts of alkalis, such as. B. the table salt, are often used when it comes down to it, bodies dissolved in water of organic origin to be eliminated from their solution. So z. B. dyes or Salted out soap glue. The behavior of the resin and stilfonized as described above So soap was therefore by no means predictable.

The importance of this procedure is obvious as it opens up the possibility of in all the cases where one of the degreasing and cleansing or anti-parasitic properties certain hydrocarbons and terpenes in the presence of water or below Subsequent application of water to wash out would like to make use of the concerned Use substances already in aqueous solution and water-soluble form, in much higher concentration and with a correspondingly increased effect than is possible in other ways.

Examples:

The numbers of the examples given below were obtained in such a way that even the limit values have yet to be determined, which the

were able to dissolve the soaps in question. Of these preparations, various dilutions were made Concentrations produced, and the numbers marked with a cross mean that, dilutions of 25 percent and below are no longer durable, but excrete the loosened body. The examples are arranged in such a way that

that the first row the solubility increase
a body to be dissolved, namely toluene,
under the action of various salts that
second row the increase in solubility of different bodies under the action of one
Salt, namely sodium sulfite, describes
while the third row is acting at
Resin soaps treated.

The stock solution ....

Row I:

20 g castor sulphonic acid, 3.4 g potassium hydroxide solution, ( 30 g water J.

The solution is cloudy, but there is no divorce. The same solution containing:

The sulfite dissolved 35 ^{cc of} toluene

but there is no divorce; b) 6 g of sulfite, dissolved. 100

was able to dissolve 15 ecm of toluene.

2.3 g oxalate, dissolved

3. 3 g triphosphate, dissolved.

35

40

X50 clear attempt before investigative ^8o development canceled the limit.
Toluene clear.

30 ^X 35

4. 3 g acetate, dissolved

5. 3 g of table salt, dissolved 35

6. 3 g cyankali, dissolved j ^

7. 3 g sulfite + 3 g acetate, dissolved 70

Row II:

cloudy, but without divorce.
Toluene clear,

opalescent.

, thick.
- clear,

as an emulsion.

20 g sulfonic acid, 3.4 g potassium hydroxide solution, 60 g water without addition with 6 g sulfite were able to dissolve _{95: ■}

Turpentine oil ^X 2O ecm cloudy,

Dichlorobenzene ^x i5 - -

Petrol ^X 25 - -

Pine oil ^X 2O - -

Melissa Oil ^x 20

Salicylic acid methyl ester ^x i5 -

Carbon tetrachloride ^x 20 -

ecm clear,

-100

opalescent,
clear j attempt

before investigation

ϊ development of the limit value
J finished,
(130 g) clear.

Row III: able to dissolve toluene 45 ecm opalescent,

1. Resin 20 g
Potash 3.4 g
Water 30 g J

ί toluene 80 ecm clear,

\ - ^X 9O - opalescent,

f - 80 - clear,

- ^X 9O - opalescent,

2. The stock solution dissolved dichlorobenzene ^x 20 ecm opalescent,

with the addition of 3 g of potassium arsenic f 100 -; Try before determining the

with the addition of 6 g of sulfite

-6g phosphate

3g sulfite
3- pine oil

with the addition of 3 g sulfite {

- - - 3 g of sodium arsenite

"3 g + 3 g I _6n . _K i _ar

Sodium acetate ) °° ^{clear <}

Limit value ended.

clear,

cloudy,

clear,

cloudy,

clear,

Claims (1)

Patent claim: Process for making durable aqueous Solutions of hydrocarbons, their homologues and substitution products, with the exception of the halogen derivatives of the hydrocarbons of the ethylene series, of mineral oils and terpenes, in particular also of essential oils, using soaps made of resin or sulfonated resin or fatty acids, characterized by the addition of small amounts of neutral alkali salts of organic or inorganic acids.