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Sodium Petroleum Sulphonate

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Sodium petroleum sulfonates are unique materials because of their dual function as surfactants and rust inhibitors. The polar nature of the sulfonate end of the molecule functions as a typical anionic surfactant, orienting itself with water or other polar materials while the hydrocarbon tail provides the bridge to the nonpolar phase.



Sodium Petroleum Sulphonate

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Other Applications

  • Dry Cleaning Solvents
  • Leather Processing
  • Printing Ink
  • Oil Well Drilling Fluids

Sodium Petroleum Sulphonate

Formulations

Sodium Petroleum Sulphonate may be used at concentrations of 10% to 22% by weight in selected industrial and metalworking applications.

Applications

Metalworking Fluids

  • Sodium sulfonates have had a long history of use in metalworking fluids. It function as emulsifiers and corrosion inhibitors.
  • In liquid system, sulfonates can hold oil and water apart so that they can co-exist & form an emulsion.

Anti-Corrosion Compounds

  • High molecular weight sodium sulfonates adhere to metal surfaces and provide excellent moisture barriers. It can be compounded with petroleum oils, waxes, petrolatums and various synthetic materials. Finished products are used in applications such as preservative oils and automotive rust proofing formulations. They are also compatible with a wide range of solvents when thin films are desirable.
  • On solid surface, sulfonates functions like adhesive, holding oil to metal. By chemically bonding oil to metal, sulfonates prevent water and air from reaching the surface of the metal.

Ore Flotation

  • Ore Flotation sulfonates have been used as flotation agents for various metals and minerals. The ability of the sulfonates to wet the surface of particles renders the ore hydrophobic. This allows the ore to adhere to air bubbles and move to the surface in the froth.
  • In ore flotation, sulfonates bind the ore particles to air bubbles, in a froth, allowing them to rise and separate from rock.

Demulsifiers

  • Demulsifiers grade sulfonates can act as de-emulsifier. A Bulky structure prevents them from forming a continuous protective film around a droplet. This allows two droplets to contact one another, forming a large droplet which separates from solutions.

Motor Oil and Fuel Additives

  • The sodium sulfonates are often converted to calcium or barium salts for this application; however, in some situations the sodium sulfonates may be preferred. Detergency and rust inhibitive properties are the most important functions of Motor Oil and Fuel Additives when used as additives.

Overbasing

  • Overbasing is a process of beefing up a solfonate molecule with extra atoms like calcium and magnesium so that it will seek out and neutralize excess acids in a mixture. This process is typically used in motor oil additives.

Overbasing

  • Overbasing is a process of beefing up a solfonate molecule with extra atoms like calcium and magnesium so that it will seek out and neutralize excess acids in a mixture. This process is typically used in motor oil additives.



Specification Sheet



TEST METHOD MIN MAX
Appearance VISUAL Clear and bright
Sp. Gravity @ 15.6°C ASTM D 1298 1.019 1.029
Flash point °C (COC) ASTM-D-92 180
Color ASTM D 1500 3.0 6.0
Equivalent Weight, as Sodium Sulfonate ASTM-D-3712 400 440
PH, 3% [v/v] in D.M. water ASTM D 664 8.0 10
Water Content % Wt. ASTM-D-95 0.5 5.0
Mineral Oil % wt. ASTM-D-3712 32.0 35.0
Sodium Sulphonate % Wt. ASTM-D-3712 60.0 65.0
Inorganic Salt % [w/w] ASTM-D-3712 0.2 1.0
Solubility of SPS in Mineral oil /Naphtanic oil INTERNAL Pass Pass
TEST METHOD MIN MAX
Appearance VISUAL Clear and bright
Sp. Gravity @ 15.6°C ASTM D 1298 1.010 1.029
Flash point °C (COC) ASTM-D-92 180
Color ASTM D 1500 3.0 6.0
Equivalent Weight, as Sodium Sulfonate ASTM D-3712 440 480
PH, 3% [v/v] in D.M. water ASTM D 664 8.0 9.5
Water Content % Wt. ASTM-D-95 0.5 5.0
Mineral Oil % wt. ASTM-D-3712 32.0 35.0
Sodium Sulphonate % Wt. ASTM-D-3712 60.0 65.0
Inorganic Salt % [w/w] ASTM-D-3712 0.2 1.0
Solubility of SPS in Mineral oil /Naphtanic oil INTERNAL Pass Pass
TEST METHOD MIN MAX
Appearance VISUAL Clear and bright
Sp. Gravity @ 15.6°C ASTM D 1298 1.010 1.029
Flash point °C (COC) ASTM-D-92 180
Color ASTM D 1500 3.0 6.0
Equivalent Weight, as Sodium Sulfonate ASTM D-3712 480 550
PH, 3% [v/v] in D.M. water ASTM D 664 8.0 9.5
Water Content % Wt. ASTM-D-95 0.5 5.0
Mineral Oil % wt. ASTM-D-3712 32.0 35.0
Sodium Sulphonate % Wt. ASTM-D-3712 60.0 65.0
Inorganic Salt % [w/w] ASTM-D-3712 0.2 1.0
Solubility of SPS in Mineral oil /Naphtanic oil INTERNAL Pass Pass





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