| Molecular Formula | C12H25O(CH2CH2O)3H |
| Physical and Chemical Properties | The chemical product is light yellow oil. Melting point 5~6 ℃, relative density (25 ℃)0.925~0.940, cloud point (40±5)℃,HLB value 6~7. Easily soluble in oil and other non-polar solvents, with good emulsifying properties. |
| Use | Use this product can be used as emulsifier. After sulfonation, the water solubility is increased, and it can also be used as detergent and efficient foaming agent. Widely used in the detergent industry for the production of sulfur trioxide sulfonated AES |
performance and application
AEO-3, AEO-4 and AEO-5 are easily soluble in oil and polar solvents. They are diffused in water and have good emulsifying properties. They are used as w/o emulsifiers for emulsification of mineral oil and aliphatic solvents. Viscosity reducer of polyvinyl chloride plastisol is widely used in chemical fiber oil agents. AEO-3 is the main raw material for AES production. MOA-4 can be used as emulsifier and dry cleaning agent for silicone and hydrocarbons
type
Nonionic
chemical composition
Condensation of fatty alcohol and ethylene oxide
technical indicators
Specifications: AEO-3
Appearance (25 ℃): colorless transparent liquid
color Pt-Co:≤ 20
cloud point ℃(1% aqueous solution):-
hydroxyl value mgKOH/g:170~180
moisture (%):≤ 1.0
pH value (1% aqueous solution):5.0~7.0
HLB value: 6~7
production method
typical process-single kettle batch method adds fatty alcohol to the reaction kettle, adds 50% sodium hydroxide as catalyst under stirring, and heats to 100 ℃. After dewatering under reduced pressure to anhydrous distillation, nitrogen is used to drive out the air in the kettle, and then vacuum is pumped. Add the calculated amount of ethylene oxide, melon 2 at 130~180 ℃,0.15~0.20 MPa until the pressure in the kettle does not drop. After cooling, the reactants are pressed into the bleach kettle. First, it is neutralized with glacial acetic acid to a pH value of 5~6, and then bleached with 1% hydrogen peroxide at 70~90 ℃ for 0.5 h. Cooling and discharging is the product.
the pipeline continuously adopts a reactor with a pipe diameter of 9mm, the feeding ratio is (molar ratio) C12 fatty alcohol: ethylene oxide = 1: 3, and the dosage of catalyst KOH is the 0.2% of c12 fatty alcohol. The reaction temperature is controlled to 194 ℃ and the pressure is 2.0 MPa. The average residence time is 15 min, and the conversion rate of ethylene oxide is 99.5% and the byproduct of polyethylene glycol is less than 1%. The condensation product is driven into the neutralization kettle, and the pH value is adjusted to 5~7 with acetic acid. Then decolorize with hydrogen peroxide, stir for 1 h, cool to below 50 ℃, discharge and pack.