Skip to main content

Characteristics of Alpha Olefin Sulfonate

 Alpha olefin sulfonate is a formaldehyde-free solution of sodium c14-c16 that preserved by mCi/MI. It has excellent viscosity, hard water stability, detergency, foam characteristics and pH stability in wide pH range, so it can be used in many applications. Compared with lauryl sulfate, alpha olefin sulfonate is a mild surfactant, which can be used in high performance sulfate free, shampoo, shower gel, hand sanitizer and pet care formula. It is very effective in unloading poor fluids and particles from gas producing wells. It has excellent thermal stability at temperatures up to 400 ° F. The product is easily biodegradable.


Ordinary alpha olefins are excellent intermediates for the production of alpha olefin sulfonate (AOS) surfactants. These surfactants have excellent detergency, high compatibility with hard water, good wetting and foaming properties. AOS does not contain skin irritants and sensitizers, and it can be rapidly biodegraded. It is used in high quality shampoo, light liquid detergent, bath foam and heavy liquid and powder detergents. It is also used in emulsion polymerization. C14-c16 AOS mixture is commonly used in hand sanitizers.

In order to prepare AOS, the common alpha olefins were sulfonated in a continuous membrane reactor to produce a mixture of olefin sulfonic acid and sulfonactone (cyclic sulfonate). The mixture was neutralized with sodium hydroxide aqueous solution, and then hydrolyzed at elevated temperature to convert the remaining sulfolactone into alkene sulfonate and hydroxysulfonate. This produces an aqueous solution of alpha olefin sulfonate. (if solid anhydrous products are required, the solution can be easily obtained by neutralizing and hydrolyzing isopropanol instead of water).

 

Nanjing Chemical Material Corporation is a professional chemical distributor company which is set up through the restructuring of state-owned Nanjing Chemical Raw Material Head Company. We provide Anionic Surfactant, Cationic Surfactant, glycolic acid and so on. Want to know more? Please contact us.



Labels:

Comments

Post a Comment

Popular posts from this blog

Difference Between Sulfate And Sulfonate In Shampoo

  Sulfates and sulfonates have two things in common. First, they're all anionic surfactants. Second, they are often used for personal care applications. But there are many differences. They have different molecular mechanisms. They have different functions and they have different raw materials.   Sulfates Sulfate is a compound. It has carbon bonds and oxygen and sulfur bonds. They include substances such as sodium lauryl sulfate and sodium lauryl ether sulfate.   At low pH, these substances plus the c-o-s bond hydrolyze to produce alcohol and inorganic sulfate. At a high pH, sulfate is stable in the base and, if ethoxylated to a relatively high level, produces a low-foaming alkali-soluble surfactant. Sulphates can be prepared by reaction of fatty alcohol or fatty alcohol ethoxylates with reagents such as SO3 or chlorosulfonic acid (CSA).   The reason shampoo becomes thick foam in the shower is that it contains sulfate. Most shampoos and household cleansers contain su...
Post a Comment
Read more

How Is Ethyl Bromide Prepared From Ethyl Alcohol 2

  1. Preparation of ethyl bromide  from ethyl alcohol and hydrobromic acid Start with a 1-liter double neck round bottom flask with a drop funnel and wide bend. The bend is connected to a long and efficient condenser assembly and receiver for downward distillation. First, place 281ml (or 415 g) 48% hydrobromic acid in a flask, then add 65ml (or 120 g) of concentrated sulfuric acid in batches, while shaking. As it cools, a small quantity of 145ml (or 100 g) 95% ethanol is slowly added to the mixture of sulfuric acid and hydrobromic acid. Then 109ml (or 200g) of concentrated sulfuric acid is slowly added to the drop funnel, and the ethyl bromine obtained by slow distillation is collected in the cold receiver flask. The crude ethyl bromine was washed with equal volume of concentrated hydrochloric acid, then washed with water and a small amount of 5% sodium bicarbonate solution, then washed with water, and finally dried the ethyl bromine with anhydrous calcium chloride. The crude ...
Post a Comment
Read more

What is Polyether Polyol

  Polyether polyol is prepared by ring-opening polymerization of epoxide monomers (such as ethylene oxide, propylene oxide and 1,2-epoxybutane) and a compound containing two or more active hydrogen atoms (called an initiator). In the presence of alkali catalyst, active hydrogen compounds initiate ring opening and oxide addition will continue until the required molecular weight is obtained. The number of hydroxyl groups in polyether polyol is determined by the number of unstable hydrogen atoms in the initiator. If the initiator has two active hydrogen, glycol will be formed. The reactivity of polyether polyol  to isocyanates depends on the initiator and the type of epoxy monomer that ends the ring-opening polymerization. The primary hydroxyl produced by polyol capped with ethylene oxide is more reactive than the secondary hydroxyl produced by propylene oxide, which is ideal for applications requiring rapid curing time. However, the use of initiator based on ethylene oxide and a...
Post a Comment
Read more