AOS (100 ML Trial Pack )

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Normal alpha olefins are excellent intermediates for producing alpha olefin sulfonate (AOS) surfactants. These surfactants provide outstanding detergency, high compatibility with hard water, and good wetting and foaming properties. AOS is free of skin irritants and sensitizers, and it biodegrades rapidly.



The decontamination test showed that LAS and AOS showed good synergy in both phosphorous powder and phosphorus-free powder. Among the phosphorous detergent, LAS: AOS has the most significant synergy at 8:2. In the non-phosphorous washing powder with LAS and AOS as anionic active ingredients, the decontamination of AOS increased significantly when the proportion of anionic active components was greater than 20 %. The decontamination synergy of AOS in phosphorus-free washing powder is more prominent than that in phosphorous powder.

AOS and enzymes have better solubility. The activity of residual enzymes in detergent solutions containing domestic proteinases and imported proteinases (such as Savnase) was compared. Over time, the residual enzyme activity of anionic active groups divided into pure LAS was low. The residual enzyme activity is higher in detergent solution with AOS partial replacement or all substitution of LAS.

There is little difference between AOS and LAS decontamination at higher temperatures and prolonged washing (eg, 60 °C or more, 1-hour washing). However, when washing at room temperature (10-40 °C, washing 10-29 minutes), AOS has a higher decontamination power than LAS. Compared with LAS, AOS has strong hard water resistance, so it also shows AOS advantages in areas with higher hard water.

LAS is superior to oil/granular decontamination, while non-ions such as fatty alcohol ether are most suitable for washing dirt and dirt on the skin. The combination of the two can achieve good decontamination effects, and AOS has good decontamination effects on sebum and oily and powdery dirt.

The amount of ash deposition on the fabric after washing the fabric with apatite washing powder containing 4 A zeolite, soda and soda. The phosphorous washing powder that replaces LAS with AOS part is smaller than the phosphorous washing powder that uses LAS alone. After washing, the grey deposition of the fabric is small, not easy to knot, and yellowing. (reference formula)


The soap produces insoluble saponin in hard water, affecting the decontamination effect. Adding AOS can increase the solubility of soap in water, and the wettability and foam power of soap liquid at low temperatures also increase rapidly. AOS is added to soaps with sodium adipose as the main ingredient. The various characteristics of soaps are improved, foaming force is enhanced, hard water resistance is improved, flexibility is enhanced, and cracking is not easy.


Due to the large irritation of LAS, many washing products no longer use LAS as an active component, while AOS has low irritation and good biodegradability, making it a more suitable alternative. In liquid detergents, AOS has a greater influence on the viscosity of the product. The viscosity is improved with the commonly used fatty alcohol diethanolamine and Na-Cl. The effect is not ideal. The use of fatty alcohol monoethanolamide, amine oxide, betaine and NH4Cl can play a good adhesion role. Due to the characteristics of AOS in decontamination, hard water resistance, viscosity, etc., AOS has a wide range of applications in liquid detergents with high active components.


AOS is as mild as AES, and LAS and AS are much larger than AOS. Therefore, AOS has a wide range of uses in personal care products. AOS is extremely stable under acidic conditions. Normal human skin is weakly acidic(pH is about 5.5) and is suitable for using AOS as a component of personal cleaning products. The shampoo with AOS as the main active component is better than that with K12. Renso reported that the foam released by AOS was full of cream and felt like soap when washed. This characteristic is suitable for the washing habits of Chinese people. Therefore, AOS can be used in personal care products such as bath fluids, hand sanitizer and cleansing milk. Reference formula.


AOS has a wide range of applications in the textile printing and dyeing industry, petroleum chemicals, and three oil extraction and industrial cleaning. AOS can be used as a concrete density modifier, foaming wallboard, and fire fighting foam. It can also be used as a pesticide emulsifier, wetting agent, etc...

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