By copolymerizing ethyl silicone oil with polyether, fluorocarbon chains and other functional groups, a new type of material with both siloxane properties and surface activity can be prepared. For example, ethyl silicone oil polyether copolymer is used as a softener in cosmetics, which can form a breathable film on the skin surface and reduce water loss; In the agricultural field, as a pesticide additive, it can reduce the surface tension of the pesticide solution and increase leaf adhesion by more than 30%.



The technological breakthrough lies in the control of copolymerization reactions: traditional methods can easily lead to a wide molecular weight distribution, which affects performance stability. A certain research team has used atom transfer radical polymerization (ATRP) technology to achieve precise control of copolymer molecular weight (Mw=5000-20000), and the product has been applied in high-end skincare products and precision drug application equipment.
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