Anionic silicone surfactants include carboxylic acid type, sulfonic acid type, sulfate ester type and phosphate ester type, which can be obtained through the hydrosilylation reaction of the corresponding ester with unsaturated bonds and hydrogen-containing silicone oil, or through epoxy Transformation of base intermediates.
Phosphate ester silicone surfactants are the most common. The products are made by phosphorylation of siloxane alcohols, and then neutralized and refined as needed. Polysiloxane phosphate not only has the emulsifying properties, foaming properties, and mild cleansing properties of phosphate groups, but also has the cloud point and other non-ionic properties of polyether. It also has the affinity of polysiloxane for skin and hair. It can be used as an efficient W/O emulsifier, solubilizer, water-soluble foaming agent, detergent, emollient and hair conditioner for cosmetics.
Polysiloxane phosphate surfactants have emulsifying properties and moisturizing properties, and are mainly used in emollient and skin care products and conditioning hair care products. In hair care products, phosphate esters can delay the accumulation of static electricity and accelerate discharge. Polysiloxane has good affinity and conditioning properties for the skin and hair, so it can improve the dry and wet combability of the hair.
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