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Ethylene Bis Stearamide: A Promising Additive in Plastics Manufacturing

by:Sainuo     2023-09-12

Ethylene Bis Stearamide: A Promising Additive in Plastics Manufacturing


Plastics are one of the most commonly used materials in various industries, from packaging to automotive. Achieving desired properties in plastics can be challenging, especially when it comes to improving their strength and durability. In recent years, the use of additives has become increasingly popular to enhance the performance of plastics. Ethylene Bis Stearamide (EBS), a versatile and promising additive, has emerged as a significant game-changer in the field of plastics manufacturing. This article explores the various aspects of EBS and its benefits in enhancing plastic properties.

Understanding Ethylene Bis Stearamide (EBS)

EBS, a white waxy solid, falls under the category of aliphatic amide compounds. It is produced by the reaction of ethylenediamine and stearic acid. EBS is known for its excellent compatibility with different types of polymers. It is widely used as a lubricant, mold release agent, and anti-blocking agent in plastic manufacturing processes. EBS has a low melting point, making it easy to incorporate into various plastic formulations. Let's explore the benefits and applications of EBS in plastics.

Enhancing Plastic Strength and Toughness

One of the key advantages of using EBS in plastics manufacturing is its ability to enhance the strength and toughness of the final product. When incorporated into plastic formulations, EBS forms a lubricating layer between polymer chains, reducing friction and enhancing their overall mechanical properties. This results in plastics with improved tensile strength, impact resistance, and elongation at break. Additionally, EBS helps prevent crack propagation, making plastics more durable and long-lasting.

Improving Thermal Stability

Thermal stability is a critical factor in determining the usability of plastics in diverse applications. EBS acts as a thermal stabilizer in plastics to withstand high temperatures without compromising their structural integrity. By preventing heat-induced degradation, EBS enhances the material's ability to retain its properties over a wide range of temperature fluctuations. This makes EBS an ideal additive for products exposed to extreme environments, such as automotive components, electrical enclosures, and outdoor infrastructure.

Reducing Friction and Enhancing Mold Release

EBS is widely used as a lubricating agent in plastic manufacturing processes. Its presence reduces the coefficient of friction between the polymer and mold surface, facilitating the smooth release of the finished product from the mold. This helps prevent surface defects and ensures uniform mold filling, leading to high-quality plastic parts. The lubricating properties of EBS also contribute to easier processing, reducing energy consumption and improving manufacturing efficiency.

Preventing Blocking and Improving Surface Quality

Blocking refers to the undesirable adhesion of plastic surfaces, especially during storage or transportation. EBS acts as an effective anti-blocking agent, preventing the sticking or welding of plastic layers. By reducing adhesion forces, EBS improves product handling and reduces surface defects. Moreover, the addition of EBS improves the surface quality of plastic products, resulting in a glossy and smooth finish. This is particularly advantageous for applications where aesthetics and appearance play a crucial role, such as consumer goods and packaging.

Enhancing UV Resistance and Stability

Exposure to ultraviolet (UV) radiation can cause significant degradation of plastics, leading to color fading, embrittlement, and loss of mechanical properties. By incorporating EBS into plastic formulations, the material's resistance to UV radiation can be significantly enhanced. EBS acts as a UV stabilizer, absorbing and dissipating the harmful UV energy before it can cause damage. This allows plastics to maintain their original properties for prolonged periods, making them suitable for outdoor applications, such as construction materials, garden furniture, and automotive components.


The use of ethylene bis stearamide (EBS) as an additive in plastics manufacturing brings numerous benefits to the final product. From enhancing strength and toughness to improving thermal stability and providing better surface quality, EBS plays a crucial role in meeting the ever-increasing performance requirements of plastics in various industries. As the demand for high-performance plastics continues to rise, the significance of EBS as a promising additive is expected to further grow. Its versatility and compatibility with different polymers make it a valuable tool for manufacturers seeking to improve the quality and performance of their plastic products.

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