Block silicone oil, also known as ternary copolymer block silicone oil, is a special polymer formed by the chemical reaction of monomers such as siloxane, polyamine, and polyether. In its molecular structure, different functional chain segments are arranged in a block form, creating a unique linear or network structure that gives it a combination of softness, hydrophilicity, washability, and chemical stability.

Core Characteristics: Dual Advantages of Performance and Environmental Friendliness
The core advantage of block silicone oil lies in the innovativeness of its molecular design. Traditional organosilicon softeners have modifying functional groups mostly distributed on the side chains, while block silicone oil incorporates amino groups, polyethers, and other active groups into the main chain, forming a more stable structure. This design allows it to form a uniform thin film on the fiber surface, significantly reducing the friction coefficient and giving fabrics a soft, smooth, and fluffy feel, while also enhancing washability, maintaining performance even after multiple washes. Furthermore, block silicone oil does not contain harmful substances such as APEO and NPEO, complying with EU RoHS and other environmental standards, making it a representative of green chemistry.

Application Fields: A "Versatile Assistant" from Textiles to Cross-Industry Applications
In the textile industry, block silicone oil is a core component of finishing agents, widely used in the softening treatment of natural and synthetic fibers such as cotton, polyester, and wool. Its self-emulsifying properties prevent problems such as roller sticking and silicone spots, and it has strong compatibility with cationic and non-ionic auxiliaries, allowing for simultaneous anti-wrinkle, anti-static, and moisture-wicking functions. For example, specialized models developed for chemical fiber fabrics can significantly improve the feel and durability of products such as polyester plush and coral fleece.


In addition to textiles, block silicone oil has also penetrated into various fields such as cosmetics, coatings, electronics, and machinery. In cosmetics, its low viscosity and high extensibility make it an ideal additive for hair conditioners and sunscreens; in the coatings industry, block silicone oil acts as an anti-sticking agent, preventing plywood from sticking together during stacking; in the electronics field, its low friction coefficient is used for lubricating precision components in medical devices, ensuring high-precision drug delivery.