Long-chain alkyl alkoxysilane is a type of silicone coupling agent that is widely used today. Its general structural formula commonly used in cosmetics can be expressed as R-S-X3 (where R is a long-chain alkyl group, and X is usually It is an ethoxy group, common ones include octyltriethoxysilane, decyltriethoxysilane, and dodecyltriethoxysilane). Alkoxy groups can react with the surface groups of many fillers. They first react with water to generate silanetriol and release ethanol at the same time. Then the silanol group condenses with the hydroxyl group on the filler surface. The adjacent silanes can also react further to form polysiloxane on the filler surface.
By introducing long-chain alkyl groups, the lipophilicity of the powder is enhanced and it has better affinity with the skin. It can be used as a brightening agent, hydrophobic agent, lubricant, etc. in cosmetics, and can give cosmetics excellent skin care properties, hydrophobic breathability, antioxidant properties, softness, anti-sticking properties and other properties. The powder treated with alkyl silicon coupling agent has a strong repellent effect on oil and water, is durable, and has good affinity with the skin because it contains long-chain alkyl groups.
Colorant Manufacturer
PU Auxiliary Pioneer
