US2442024A - Cleaning and polishing composition - Google Patents

Cleaning and polishing composition Download PDF

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US2442024A
US2442024A US2442024DA US2442024A US 2442024 A US2442024 A US 2442024A US 2442024D A US2442024D A US 2442024DA US 2442024 A US2442024 A US 2442024A
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cleaning
ethyl
ortho
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    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/18Hydrocarbons
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/36Organic compounds containing phosphorus
    • C11D3/361Phosphonates, phosphinates or phosphonites

Definitions

  • This invention relates to new compositions of matter which are particularly useful for cleaning and polishing the coated metal surfaces of automobile bodies and the like.
  • One object of this invention is to prepare a cleaner and polish which will readily remove various kinds of soil from coated metal surfaces.
  • a further object of this invention is to manufacmm a, cleaner and polish which will not corrode the metal surfaces of cans in which it is stored.
  • a still further object is to make a cleaner and polish which will impart a. pleasing appearance to surfaces to which it is applied. Other objects will appear hereinafter.
  • a cleaner and polish which comprises an aqueous dispersion having a pH in the range of 6 to 8 and containing a hydrocarbon solvent and an abrasive powder dispersed in the water and also containing a water-insoluble higher aliphatic amine salt of 2-ethyl-hexyl, 3-methyl-but.vl ortho-phosphoric acid and a water-soluble salt of Z-ethyl-hexyl, 3-methyl-butyl ortho-phosphoric acid.
  • water is used in such quantities that it constitutes at least half by wei ht of the final composition of the dispersion. The water assists in removing water-soluble soil from the coated metal surfaces of an automobile or the like.
  • the hydrocarbon solvent which is dispersed in the water may be a light hydrocarbon fraction such as Stoddard solvent although somewhat higher or lower boiling mineral oil fractions may be used if desired.
  • hydrocarbon solvents of the aromatic and alicyclic series such as benzen and cyclohexane may be employed. in lieu of or in addition to Stoddard solvent.
  • the hydrocarbon solvent functions in the prepared cleaner to aid in the removal from the coated metal surfaces of greases and similar types of soil that are soluble in hydrocarbon solvents,
  • the abrasive powder that is dispersed in our new cleaning and polishing composition is usually powdered diatomaceous earth of about 325 mesh, although any suitable abrasive powder that will stay dispersed in water may be used in its place.
  • a colloidal clay such as bentonite may be added to the dispersion along with the diatomaceous earth in order to help retain the diatomaceous earth in a dis ersed condition and keep it from settling out.
  • the abrasive powder assists in mechanically removing soil that adheres to the coated metal surfaces that are being cleaned.
  • the hydrogen ion concentrations of the dispersions are not too high or too low. If the hydrogen ion concentration of the dispersion is too low, the polish will leave an easily Elli markable surface. On the other hand, if the hydrogen ion concentration is too high, the polished surface is not protected from corrosion and any cracks in the paint surface are accentually pictured. It is therefore necessary to maintain the pH of the dispersion somewhere in the range 6 to 8 and preferably about 7.
  • the pH of the dispersion can be suitably adjusted by adding small amounts of suitable acidic or alkaline substances such as trisodium phosphate, ammonium hydroxide or aluminum sulfate.
  • the pH of the dispersion can obviously by suitably adjusted to a desired value by the addition of small amounts of suitable buffer salts.
  • a scenting agent may be added toimpart the desired odor to the composition.
  • a dye may be added to impart the desired color to the composition.
  • Glycerine or ethylene glycol may be added to the composition to lower its freezing point and to help retain the proper moisture content upon the film of polish applied to a surface,
  • a bactericide such as formaldehyde or phenol may be added to the composition to stop any bacterial action that might otherwise occur.
  • Gums such as gum tragacanth and gum acacia may be used in preparing these dispersions to thicken them and thereby impede any breaking of the dispersions.
  • Surface active agents such as sulfonated castor oil or isopropyl naphthalene sulfonate may also be used in preparing these dispersions since surface active agents will function to stabilize the dispersion.
  • a thin water repellant film it is desirable to include a small amount of a high viscosity mineral oil and/or a wax such as paraffin wax, carnauba wax or a synthetic wax in the composition of the cleaner.
  • Two of the more important ingredients of the cleaning and polishing compositions of this invention are a water-insoluble higher aliphatic amine salt of 2-ethyl-hexyl, 3-methyl-butyl ortho-phosphoric acid and a Water-soluble salt of 2-ethyl hexyl, 3-methyl butyl ortho phosphoric acid,
  • higher aliphatic amine salt we intend to denote a salt prepared from a primary aliphatic amine containing at least 8 carbon atoms.
  • these higher aliphatic amine salts are made from primary aliphatic amines containing from 10 to 18 carbon atoms such as the normal primary decyl, dodecyl.
  • cocoamlne which is a commercial mi ture of higher aliphatic amines prepared from coconut oil fatty acids. Cocoamine contains a major amount of primary dodecyl amine, and
  • compositions of this invention function as corrosion inhibitors, They prevent corrosion of the cans in which the compositions of the present invention are packaged for commerce.
  • the first step is to dissolve all of the water-soluble ingredients except the bactericide in the water. Then while agitating the solution the powdered abrasive and colloidal clay are slowly added thereto. Meanwhile all of the water-insoluble ingredients that are soluble in the hydrocarbon solvent are dissolved in said solvent. After all of the powdered abrasive and colloidal clay have been added to the water solution, the hydrocarbon solution of dissolved ingredients is slowly run into the water solution containing dispersed abrasive material while vigorously agitating the water solution in order to cause the hydrocarbon solvent to become emulsified in the water phase. After all of the hydrocarbon solvent has been added to the of 2-ethyl-hexyl,
  • compositionofthis example has a specific Water 52-75 152 Formaldehyde, 40% solution 0. 15-0. 25 0.
  • a composition of matter suitable for cleaning the coated metal surfaces of automobile bodies which comprises a major amount of water, Stoddard solvent dispersed in the water in an amount suillcient to assist in removal of grease and other hydrocarbon soluble soil, powdered diatomaceous earth dispersed in the water in an amount sufllcient to assist in mechanically removing soil, and small amounts, suflicient t inhibit corrosion, of the cocoamine salt of2-ethylhexyl, 3-methyl-butyl .ortho phosphoric acid and the sodium salt of 2-ethyl-hexyl, 3-methylbutyl ortho-phosphoric acid, said composition having a pH of about 7.

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  • Chemical & Material Sciences (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)
  • Detergent Compositions (AREA)

Description

Patented May 25, 1948 CLEANING: AND POLISHING COMPOSITION Herschel G. Smith, Wallingford, Mark L. Hill, Yeadon, and Troy L. Cantrell, Lansdowne, Pa., assignors to Gulf Oil Corporation, Pittsburgh, Pa., a corporation of Pennsylvania No Drawing. ApplicationFebruai-y 15, 1946, Serial No. 648,010
2 Claims. (Cl. 252-166) This invention relates to new compositions of matter which are particularly useful for cleaning and polishing the coated metal surfaces of automobile bodies and the like.
One object of this invention is to prepare a cleaner and polish which will readily remove various kinds of soil from coated metal surfaces. A further object of this invention is to manufacmm a, cleaner and polish which will not corrode the metal surfaces of cans in which it is stored. A still further object is to make a cleaner and polish which will impart a. pleasing appearance to surfaces to which it is applied. Other objects will appear hereinafter.
These objects are accomplished in accordance with the present invention by manufacturing a cleaner and polish which comprises an aqueous dispersion having a pH in the range of 6 to 8 and containing a hydrocarbon solvent and an abrasive powder dispersed in the water and also containing a water-insoluble higher aliphatic amine salt of 2-ethyl-hexyl, 3-methyl-but.vl ortho-phosphoric acid and a water-soluble salt of Z-ethyl-hexyl, 3-methyl-butyl ortho-phosphoric acid. In formulating such a dispersion, water is used in such quantities that it constitutes at least half by wei ht of the final composition of the dispersion. The water assists in removing water-soluble soil from the coated metal surfaces of an automobile or the like.
The hydrocarbon solvent which is dispersed in the water may be a light hydrocarbon fraction such as Stoddard solvent although somewhat higher or lower boiling mineral oil fractions may be used if desired. Likewise, hydrocarbon solvents of the aromatic and alicyclic series such as benzen and cyclohexane may be employed. in lieu of or in addition to Stoddard solvent. The hydrocarbon solvent functions in the prepared cleaner to aid in the removal from the coated metal surfaces of greases and similar types of soil that are soluble in hydrocarbon solvents,
The abrasive powder that is dispersed in our new cleaning and polishing composition is usually powdered diatomaceous earth of about 325 mesh, although any suitable abrasive powder that will stay dispersed in water may be used in its place. A colloidal clay such as bentonite may be added to the dispersion along with the diatomaceous earth in order to help retain the diatomaceous earth in a dis ersed condition and keep it from settling out. The abrasive powder assists in mechanically removing soil that adheres to the coated metal surfaces that are being cleaned.
In preparing the cleaning and polishing compositions of the present invention it is important to take care that the hydrogen ion concentrations of the dispersions are not too high or too low. If the hydrogen ion concentration of the dispersion is too low, the polish will leave an easily Elli markable surface. On the other hand, if the hydrogen ion concentration is too high, the polished surface is not protected from corrosion and any cracks in the paint surface are accentually pictured. It is therefore necessary to maintain the pH of the dispersion somewhere in the range 6 to 8 and preferably about 7. The pH of the dispersion can be suitably adjusted by adding small amounts of suitable acidic or alkaline substances such as trisodium phosphate, ammonium hydroxide or aluminum sulfate. The pH of the dispersion can obviously by suitably adjusted to a desired value by the addition of small amounts of suitable buffer salts.
Various miscellaneous ingredients may be included in the cleaning and polishing compositions of the present invention to accomplish certain particular objectives. A scenting agent may be added toimpart the desired odor to the composition. A dye may be added to impart the desired color to the composition. Glycerine or ethylene glycol may be added to the composition to lower its freezing point and to help retain the proper moisture content upon the film of polish applied to a surface, A bactericide such as formaldehyde or phenol may be added to the composition to stop any bacterial action that might otherwise occur. Gums such as gum tragacanth and gum acacia may be used in preparing these dispersions to thicken them and thereby impede any breaking of the dispersions. Surface active agents such as sulfonated castor oil or isopropyl naphthalene sulfonate may also be used in preparing these dispersions since surface active agents will function to stabilize the dispersion.
In order that the surface being cleaned will at the same time be coated with a thin water repellant film it is desirable to include a small amount of a high viscosity mineral oil and/or a wax such as paraffin wax, carnauba wax or a synthetic wax in the composition of the cleaner.
Two of the more important ingredients of the cleaning and polishing compositions of this invention are a water-insoluble higher aliphatic amine salt of 2-ethyl-hexyl, 3-methyl-butyl ortho-phosphoric acid and a Water-soluble salt of 2-ethyl hexyl, 3-methyl butyl ortho phosphoric acid, By the term higher aliphatic amine salt we intend to denote a salt prepared from a primary aliphatic amine containing at least 8 carbon atoms. Preferably these higher aliphatic amine salts are made from primary aliphatic amines containing from 10 to 18 carbon atoms such as the normal primary decyl, dodecyl. tetradecyl, hexadecyl and octadecyl amines. Mixtures of these amines may be used such as cocoamlne which is a commercial mi ture of higher aliphatic amines prepared from coconut oil fatty acids. Cocoamine contains a major amount of primary dodecyl amine, and
typical samples thereof have been found to have average molecular weights ranging from 200 to 210. Among the various water-soluble salts of 2- ethyl-hexyl, 3-methyl-butyl orth -phosph0ric acid which may be'usedin these compositions there may be mentioned the sodium, potassium, ammonium, and substituted ammonium salts prepared from such amines as -methyl amine, dimethyl amine, trimethyl amine, ethyl amine,
ethanol amine, diethanol amine, triethanol amine,,propano1 amine, etc. Both the water-insoluble higher ialiphatic amine salts and the water-soluble salts oi Z-ethyl-hexyl, 3-methylbutyl ortho-phosphoric acid which are used in. the compositions of this invention function as corrosion inhibitors, They prevent corrosion of the cans in which the compositions of the present invention are packaged for commerce.
In preparing the cleaning and polishing com positions of the present invention the first step is to dissolve all of the water-soluble ingredients except the bactericide in the water. Then while agitating the solution the powdered abrasive and colloidal clay are slowly added thereto. Meanwhile all of the water-insoluble ingredients that are soluble in the hydrocarbon solvent are dissolved in said solvent. After all of the powdered abrasive and colloidal clay have been added to the water solution, the hydrocarbon solution of dissolved ingredients is slowly run into the water solution containing dispersed abrasive material while vigorously agitating the water solution in order to cause the hydrocarbon solvent to become emulsified in the water phase. After all of the hydrocarbon solvent has been added to the of 2-ethyl-hexyl,
hended by the present invention. 'These examples also indicate tolerable limits within which the amount of any ingredient in the composition may be varied. If the limit of any ingredient to be used is indicated to 'be "q. s., that means that only enough of this ingredient is to be used to produce the desired efl'ect such as odor, color or pH. The preferred amount and tolerable limits of any ingredient are stated in the following examples in terms of its percentage by weight of the entire composition.
Example I Tolerable Preferred ingredients Limits Amount A Water 52-75 64. Glycerine 0-4 4. Formaldehyde, 40% solution 0. 15-0. 25 0. Sodium salt of Z-ethyl-hexyl, 3-methylbutyl ortho-phosphorle acid 0. 001-1. 0 0. Trlsodium phosphate q. s 0. Diatomaoeous earth, 325 mesh 3-20 10. Colloidal clay, 300mesh 0 1-i0.0 2. Stoddard solvent 5-20 9. Mineral oil, 50 S U; S. at F 5-15 7. Scouting agent q. s. 0. Cocoamine salt of 2-ethyl-hexyl, a-methylbutyl ortho-phosphorlc acid 0. 001-1. 0 0.
The compositionofthis example has a specific Water 52-75 152 Formaldehyde, 40% solution 0. 15-0. 25 0.
Sodium salt 0! il-ethyl-hexyl, B-methylbutyl ortho-phosphorlc acid. 0. 001-1. 0 0. 200 Ammonium hydroxide q. s. 0. 023 Gum tragacanth-. 0.1-0.5 0.150 Sullonated caster o 0. 1-0. 5 0. 300 Diatomaoeons earth, 325 mesh 3-7 5. 000 Colloidal clay, 300 mesh... 0 1-10. 0. 1. 000 S derd solvent 4-.. 5-15 11. 800 Paraflln Type Naphths, B. R. 400-500 F. 2-10 8.000. Carnauba wax, No. 3N Country Refined. 1-4 2.000 Paraflln wax, melting at 122 F 0. 5-2.0 1. 000 V. G. Synthetic wax 0. 5-1. 5 1.000 Gasoline-soluble orange dye. q. s 0. 005 Scent 1 agent q. s 0. 020
C n 1 e salt of Z-ethyl-hexgl, a-methylbutyl ortho-phosplioric aci 0. 001-1 0 0. 200
an amount suificient to assist in, removal of grease and other hydrocarbon soluble soil, an abrasive powder-dispersed in the water in an amount sufflclent to assist in mechanically removing soil, and small amounts, suflicient to inhibit corrosion, of a water-insoluble higher aliphatic amine salt 3-methyl-butyl ortho-phosphoric acid and a water-soluble salt of 2-ethylhexyl, 3-methyl-butyl ortho-phosphoric acid, said composition having a pH in the range 6 to 8.
2. A composition of matter suitable for cleaning the coated metal surfaces of automobile bodies which comprises a major amount of water, Stoddard solvent dispersed in the water in an amount suillcient to assist in removal of grease and other hydrocarbon soluble soil, powdered diatomaceous earth dispersed in the water in an amount sufllcient to assist in mechanically removing soil, and small amounts, suflicient t inhibit corrosion, of the cocoamine salt of2-ethylhexyl, 3-methyl-butyl .ortho phosphoric acid and the sodium salt of 2-ethyl-hexyl, 3-methylbutyl ortho-phosphoric acid, said composition having a pH of about 7.
A HERscHIm G. SMITH.
MARK L. HILL. 'Ill'ltOY L. CAN-TRELL.
REFERENCES CITED The following references are of record in the v file of this patent:
UNITED STATES PATENTS 212,439 Great Britain Mar. 13, 1924
US2442024D Cleaning and polishing composition Expired - Lifetime US2442024A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2602049A (en) * 1948-12-24 1952-07-01 Gulf Oil Corp Antioxidants for mineral oil lubricants and compositions containing the same
US3418243A (en) * 1965-01-04 1968-12-24 Bissell Inc Art of cleaning carpets
US9657256B2 (en) * 2015-09-14 2017-05-23 Mega Products, Llc Environmentally safe porcelain cleaning formulation, method and kit

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB212439A (en) * 1923-04-13 1924-03-13 Thomas Edward Stanton A cleaning fluid for glass, porcelain, and the like
US1675227A (en) * 1922-12-26 1928-06-26 Austin B Reeve Cleaning and polishing composition
US2371655A (en) * 1941-12-06 1945-03-20 Gulf Oil Corp Lubricant compositions
US2374113A (en) * 1943-11-19 1945-04-17 Pennsylvania Salt Mfg Co Solvent emulsion cleaner

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1675227A (en) * 1922-12-26 1928-06-26 Austin B Reeve Cleaning and polishing composition
GB212439A (en) * 1923-04-13 1924-03-13 Thomas Edward Stanton A cleaning fluid for glass, porcelain, and the like
US2371655A (en) * 1941-12-06 1945-03-20 Gulf Oil Corp Lubricant compositions
US2374113A (en) * 1943-11-19 1945-04-17 Pennsylvania Salt Mfg Co Solvent emulsion cleaner

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2602049A (en) * 1948-12-24 1952-07-01 Gulf Oil Corp Antioxidants for mineral oil lubricants and compositions containing the same
US3418243A (en) * 1965-01-04 1968-12-24 Bissell Inc Art of cleaning carpets
US9657256B2 (en) * 2015-09-14 2017-05-23 Mega Products, Llc Environmentally safe porcelain cleaning formulation, method and kit

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