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The emulsification production mechanism of bitumen emulsifier

Bitumen emulsifier is a surfactant. A surfactant is a compound that reduces the surface tension between two liquids, a gas and a liquid, or a solid and a liquid. Surfactants are mainly used in: detergents, detergents, fabric softeners, wetting agents, emulsifiers, foaming agents, dispersants, adhesives, etc.

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Bitumen emulsifier is a surfactant. A surfactant is a compound that reduces the surface tension between two liquids, a gas and a liquid, or a solid and a liquid. Surfactants are mainly used in: detergents, detergents, fabric softeners, wetting agents, emulsifiers, foaming agents, dispersants, adhesives, etc.
The chemical structure of bitumen emulsifier is composed of lipophilic and hydrophilic groups, which can be adsorbed on the interface between bitumen particles and water, thereby changing the surface tension of bitumen and water, and forming a new compound through mechanical action.
After adding bitumen emulsifier to water, there is a strong attraction between the hydrophilic group of the emulsifier and the water molecules. The concentration of the bitumen emulsifier in the solution increases from small to large. The hydrocarbon part of the lipophilic group is repelled due to its hydrophobicity. Outside the water system, a hydrophobic effect is produced; the hydrophilic groups dissolved on the water surface and the lipophilic groups far away from the water surface form an emulsifier that is oriented and arranged on the interface, making the free energy tend to be small, thereby making the three components of asphalt, water, and emulsifier The bitumen emulsion generated by this object can maintain relative stability for a certain period of time.

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