로릴 에테르 황산 나트륨

용도Sodium laureth sulfate (sometimes referred to as SLES) is used in cosmetics as a detergent and also to make products bubble and foam. It is common in shampoos, shower gels and facial cleansers. It is also found in household cleaning products, like dish soap.

생산 방법Sulfation. Initially, lauryl ethoxylate is sulfated in batches by cholorosulfonic acid. Both reagents are fed to a glass-lined, stirred, jacketed reactor, with the acid being gradually added to the reaction. The sulfation is carried out at 25 - 30°C under a vacuum for about 2.5 hours. The gaseous HCl by-product is led off the sulfation product and directed to a scrubber downstream. The sulfation product is fed to the neutralization.Neutralization. The sulfation product is fed to a neutralization vessel, where it is contacted with a 50 wt% caustic soda solution along with process water to adjust its active component. The neutralization reaction is carried out below 45 °C, generating a 70 wt% sodium lauryl ether sulfate further routed to packaging. Scrubbing. The HCl evolved during the sulfation is fed to a scrubber, which is absorbed in process water, generating a 33 wt% hydrochloric acid solution by-product.

정의Sodium lauryl ether sulfate(SLES) is an anionic surfactant which is widely used in rinse off products as a primary surfactant. In addition to excellent detergency (also referred as cleansing), it also has excellent emulsification and foamability. It is major component of rinse-off products. It is compatible with all surfactants except cationic.