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Ethylene Bis-Stearamide: The Key to Enhancing Surface Modification in Coatings

by:Sainuo     2023-07-29

Ethylene Bis-Stearamide: The Key to Enhancing Surface Modification in Coatings

Surface modification is a process of altering the properties of a surface to improve its functional performance. It is a critical factor in the manufacturing process of many industrial products, including coatings. Coatings are essential to providing protection to substrates from various environmental factors, such as corrosion, weathering, and wear. One of the key components in coatings is Ethylene Bis-Stearamide (EBS), which is widely used in the industry for its excellent surface modification capabilities. In this article, we will explore the various ways in which EBS is used to enhance surface modification in coatings.

Understanding Ethylene Bis-Stearamide

Ethylene bis-stearamide, also known as EBS, is a synthetic wax-like substance derived from stearic acid and ethylenediamine. It is a long-chain fatty acid amide that is commonly used as a slip agent, release agent, and lubricant in many industrial applications. Due to its unique chemical structure, EBS is widely used as a surface modifier in coatings, plastics, rubber, and other products.

EBS in Coatings

EBS has been found to be an effective surface modification agent in coatings due to its abilities to improve adhesion, dispersion, and durability. EBS acts as an interfacial agent, reducing the surface energy of substrates and thus increasing their compatibility with coating materials. EBS also forms a thin layer on the substrate surface, providing a barrier to moisture and other environmental factors that can cause degradation in coatings.

EBS is versatile and can be used in various types of coatings, including water-based and solvent-based coatings. In water-based coatings, EBS can be used to improve the flow and leveling properties of the coatings while in solvent-based coatings, it is used to enhance their resistance properties.

Improving Adhesion

Adhesion is a crucial factor in coatings as it determines the strength and durability of the coating. EBS has been found to improve the adhesion of coatings to various substrates, including metal, plastic, and wood. EBS acts as a coupling agent, improving the interaction between the coating and the substrate, resulting in better adhesion. The improved adhesion also increases the durability of the coating and reduces the chances of it peeling or chipping.

Improving Dispersion

Dispersion is another critical factor in coating formulations as it determines the consistency and uniformity of the coating. EBS has excellent dispersion properties and helps to prevent agglomeration of the coating materials. When added to coating formulations, EBS ensures that the coating materials are well-mixed, resulting in a more uniform and consistent coating.

Improving Durability

Durability is essential in coatings, and EBS has been found to improve the resistance properties of coatings to various environmental factors. EBS forms a thin layer on the substrate surface, providing a barrier to moisture, corrosion, and other environmental factors that can cause degradation in coatings. The improved durability provided by EBS increases the lifespan of coatings, making them more cost-effective in the long run.

Application of EBS in Coatings

EBS can be added to coating formulations in various ways, depending on the type and nature of the coating. In solvent-based coatings, EBS is usually added directly to the coating material, whereas in water-based coatings, it is added to the dispersant before adding to the coating material. The amount of EBS added depends on the desired surface modification properties and the coating formulation. Typically, EBS is added at a concentration of 0.5 - 5% by weight of the coating material.


Ethylene Bis-Stearamide (EBS) is a critical component in coatings due to its excellent surface modification properties. EBS improves adhesion, dispersion, and durability, making it versatile and suitable for use in various types of coatings. It is used in water-based and solvent-based coatings and is added to coating formulations at a concentration of 0.5 - 5% by weight. The versatility and effectiveness of EBS in coatings make it a crucial ingredient in the manufacturing process of coatings used for various industrial applications.

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