DE597210C - Dishwashing, degreasing and cleaning agents - Google Patents
Dishwashing, degreasing and cleaning agentsInfo
- Publication number
- DE597210C DE597210C DEC47637D DEC0047637D DE597210C DE 597210 C DE597210 C DE 597210C DE C47637 D DEC47637 D DE C47637D DE C0047637 D DEC0047637 D DE C0047637D DE 597210 C DE597210 C DE 597210C
- Authority
- DE
- Germany
- Prior art keywords
- phosphate
- tin
- aluminum
- degreasing
- aqueous solution
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/02—Inorganic compounds
- C11D7/04—Water-soluble compounds
- C11D7/10—Salts
- C11D7/16—Phosphates including polyphosphates
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/02—Inorganic compounds
- C11D7/04—Water-soluble compounds
- C11D7/10—Salts
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Description
Spül-, Entfettungs- und Reinigungsmittel Alkalisch reagierende Alkaliphosphate zeichnen sich durch eine sehr große Wasch- und Reinigungskraft auch bei stark fettigen Geräten, Geschirr, Maschinenteilen usw. aus; sie haben aber den Nachteil, daß Aluminium, Zinn und dessen Legierungen durch die alkalische Reaktion dieser Phosphate unter lebhafter Wasserstoffentwicklung korrodiert werden.Dishwashing, degreasing and cleaning agents Alkaline alkali phosphates are characterized by a very high washing and cleaning power, even with very greasy ones Appliances, dishes, machine parts, etc.; but they have the disadvantage that aluminum, Tin and its alloys due to the alkaline reaction of these phosphates vigorous evolution of hydrogen.
Es wurde nun gefunden, daß, bei Verwendung dieser Phosphate zur Reinigung oder Entfettung von Aluminiumgeräten u. dgl. keine Wasserstoffentwicklung und keine Korrosion eintritt, wenn den alkalisch reagierenden Alkaliphosphaten, insbesondere dem Trinatriumphosphat, Zinnphosphat oder solche Zinnverbindungen zugesetzt werden, die in wäßriger Lösung mit dem Alkaliphosphat unter Bildung von Zinnphosphat reagieren. Der Zusatz von Zinnphosphat oder anderen Zinnverbindungen, wie Zinnchlorür oder Zinnoxyd, muß. stets so geregelt werden, daß die aus dem Gemisch hergestellten wäßrigen Gebrauchslösungen üblicher o,5- bis 5 %iger Konzentration Aluminium, Zinn oder sie enthaltende Legierungen nicht angreifen. Die Gemische enthalten in allen Fällen überwiegende Mengen von alkalisch reagierenden Alkaliphosphaten.It has now been found that when using these phosphates for cleaning or degreasing of aluminum devices and the like, no hydrogen evolution and none Corrosion occurs when the alkaline reacting alkali phosphates, in particular trisodium phosphate, tin phosphate or such tin compounds are added, which react in aqueous solution with the alkali metal phosphate to form tin phosphate. The addition of tin phosphate or other tin compounds, such as tin chloride or Tin oxide, must. are always regulated so that the aqueous prepared from the mixture Usable solutions of the usual 0.5 to 5% concentration aluminum, tin or them Do not attack the alloys it contains. The mixtures contain in all cases predominant amounts of alkaline reacting alkali metal phosphates.
Das Zinnphosphat oder die Zinnverbindungen können teilweise ersetzt werden durch Aluminiumphosphat oder Aluminiumverbindungen, die, wie Aluminiumsulfat;Aluminiumhydroxyd, Aluminiumnitrat o. dgl., in wäßriger Lösung mit dem Alkaliphosphat unter Bildung von Aluminiumphosphat reagieren.The tin phosphate or the tin compounds can be partially replaced are replaced by aluminum phosphate or aluminum compounds, such as aluminum sulfate; aluminum hydroxide, Aluminum nitrate or the like, in aqueous solution with the alkali metal phosphate, with formation react of aluminum phosphate.
Alkaliempfindliche Metalle nicht angreifende, alkalisch reagierende Alkaliphosphate und Wasserglas enthaltende Reinigungsmittel sind bekannt; die Herstellung von lagerbeständigen Erzeugnissen dieser Art kann indessen nicht durch einfaches Vermischen von Alkaliphosphat und Wasserglas erzielt werden. Demgegenüber erhält man das Reinigungsmittel nach der Erfindung durch einfaches Mischen der trockenen Metallverbindungen, ohne daß. es eines Zusatzes weiterer Stoffe bedarf. Das Reinigungsmittel nach der Erfindung ist ohne weiteres lagerbeständig, d. h. die Mischung klumpt und backt nicht. Ausführ ungsbeispieLe i. 750 kg calciniertes Trinatriumphosphat werden mit 25o kg Zinnchlorür trocken vermengt. Die wäßrige Lösung greift auch in der Hitze Aluminium und Zinn nicht an.Alkali-sensitive metals, alkaline-reacting alkali phosphates and cleaning agents containing water glass are known; the production of shelf-stable products of this type cannot, however, be achieved by simply mixing alkali phosphate and water glass. In contrast, the cleaning agent according to the invention is obtained by simply mixing the dry metal compounds without. an addition of further substances is required. The cleaning agent according to the invention can easily be stored, ie the mixture does not clump and does not bake. EXAMPLES i. 750 kg of calcined trisodium phosphate are mixed dry with 250 kg of tin chloride. The aqueous solution does not attack aluminum and tin even when exposed to heat.
Das Zinnchlorür kann ersetzt werden durch Zinnphosphat. Ein Teil des Zinnchlorürs oder des Zinnphosphates kann durch Aluminiumphosphat, Aluminiumsulfat o. dgl. ersetzt werden.The tin chloride can be replaced by tin phosphate. Part of the Tin chloride or tin phosphate can be replaced by aluminum phosphate, aluminum sulfate o. The like. Be replaced.
2. 8oo Teile kristallisiertes Trinatriumphosphat werden mit i oo Teilen Aluminiumphosphat und i oo Teilen Zinnphosphat trokken vermischt. 3. $oo Teile kristallisiertes Trinatriumphosphat werden mit- 125 Teilen Zinnchlorür und 7 5 Teilen wasserfreiem Aluminiumsulfat trokken vermischt.2. 800 parts of crystallized trisodium phosphate are mixed with 100 parts Aluminum phosphate and 100 parts tin phosphate mixed dry. 3. $ oo parts of crystallized trisodium phosphate are mixed with 125 parts of tin chloride and 7 5 parts of anhydrous aluminum sulfate dry mixed.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEC47637D DE597210C (en) | 1930-12-01 | 1930-12-02 | Dishwashing, degreasing and cleaning agents |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEC0047637 | 1930-12-01 | ||
DEC47637D DE597210C (en) | 1930-12-01 | 1930-12-02 | Dishwashing, degreasing and cleaning agents |
Publications (1)
Publication Number | Publication Date |
---|---|
DE597210C true DE597210C (en) | 1934-05-18 |
Family
ID=25970438
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEC47637D Expired DE597210C (en) | 1930-12-01 | 1930-12-02 | Dishwashing, degreasing and cleaning agents |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE597210C (en) |
-
1930
- 1930-12-02 DE DEC47637D patent/DE597210C/en not_active Expired
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