EBS powder (N, N' - ethylene bis (stearamide)) is a white or similar white solid. Molar mass is about 593.02g/mol, Molecular formula C38H76N2O2, CAS 110-30-5. It has good optical transparency, especially in the infrared spectral range. It has a certain solubility in common solvents. It can be dissolved in many organic solvents at room temperature, such as benzene, toluene, ethyl acetate, chloroform, etc. However, its solubility in water is poor. This is because the aliphatic amide group in N, N '- ethylene Imide has a high affinity for polar solvents and a low affinity for non-polar solvents. It is a odorless compound with low volatility. It is relatively stable to most common chemical reagents and solvents, and has certain antioxidant properties. Used as an additive for lubricants to improve the flowability of plastics, rubber, and other materials. It can reduce friction and wear between materials, reduce heat generation, and improve processing efficiency. In addition, it can also be used as a lubricant for vehicles and mechanical equipment, reducing friction loss and extending service life. Can be used as an anti-static agent. It can form a conductive film on the surface of the material, effectively eliminating static electricity and preventing the accumulation and release of static electricity. Therefore, it is widely used in the manufacturing of electronic products, plastic products, and textiles.
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Chemical Formula |
C9H9NO3 |
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Exact Mass |
179 |
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Molecular Weight |
179 |
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m/z |
179 (100.0%), 180 (9.7%) |
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Elemental Analysis |
C, 60.33; H, 5.06; N, 7.82; O, 26.79 |
N. The Molecular formula of EBS powder is C38H76N2O2. It is an organic compound consisting of two Ethylenediamine groups (N, N '- ethylene) and two stearamide groups (stearamide).
In the molecular structure, the Ethylenediamine group and the stearamide group are connected by the Covalent bond between the carbon atom and the nitrogen atom. The Ethylenediamine group consists of an amino group in two Ethylenediamine molecules and a carbonyl group in another Ethylenediamine molecule to form an amide bond. These two Ethylenediamine groups react with two carboxyl groups in stearoyl group to form amide bond, thus forming the structure of N, N '- ethylenediamine Imide.
Stearoyl group is obtained by the reaction of carboxyl group in stearic acid molecule and amino group in Ethylenediamine molecule. Stearic acid is a Saturated fat acid, and its chemical formula is C18H36O2. The stearamide group is obtained by forming an amide bond between the carboxyl group of stearic acid molecule and the amino group of Ethylenediamine molecule.
N. The molecular structure of N '- ethylene Imide can be simplified as:
In this structure, the horizontal line represents the Covalent bond and the vertical line represents the Chemical bond between atoms. Among them, NH represents amino group, C (O) represents carbonyl group, (CH2) n represents carbon chain, and CH3 represents methyl group.
N. The structure of N'-ethylene Imide is composed of multiple carbon, hydrogen, nitrogen and oxygen atoms, which are connected with each other through Covalent bond. This structure makes N,N'-ethylene Imide have good thermal stability and mechanical strength, and is suitable for a wide range of applications. In practical applications, the molecular structure of N,N'-ethylene Imide can be determined by various experimental and analytical methods, such as nuclear magnetic resonance (NMR) and mass spectrometry (MS).
EBS powder is a chemical substance, which is widely used in different fields. As a common chemical, EBS powder is widely used in daily life and industrial use. It can be discussed from the following aspects:
1. Lubricant:
N.N'-ethylene Imide can be used as an additive of lubricant to improve the fluidity of plastics, rubber and other materials. It can reduce friction and wear between materials, reduce heat generation, and improve processing efficiency. In addition, it can also be used as a lubricant for vehicles and mechanical equipment, reducing friction loss and extending service life.
2. Plasticizer:
N.N'-ethylene Imide can be used as a substitute for plastic plasticizer. It can increase the softness and ductility of plastic, making it easier to process and shape. This makes N, N '- ethylene Imide widely used in plastic products industry, such as pipes, films, wires and cables.
3. Antistatic agent:
N.N'-ethylene Imide can be used as antistatic agent. It can form a conductive film on the surface of the material, effectively eliminating static electricity and preventing the accumulation and release of static electricity. Therefore, it is widely used in the manufacturing of electronic products, plastic products, and textiles.
4. Surfactants:
N.N'-ethylene Imide can show the properties of surfactant in some cases. It can reduce the surface tension of liquids and improve adsorption and dispersion properties. Therefore, it can be used as a dispersant, thickener, and solubilizer in fields such as coatings, inks, and printed circuit boards.
5. Thickener:
N.N'-ethylene Imide can act as a thickener in some systems. For example, in water-based coatings and adhesives, it can increase viscosity and rheological properties, thereby improving coating performance and adhesion.
6. Antibacterial agents:
N.N'-ethylene Imide has certain antibacterial properties and can be used as an additive for antibacterial agents such as plastic products, textiles and leather products. It can inhibit the growth of bacteria and fungi, reduce odors and pollution caused by bacteria.
7. Dispersant:
N.N'-ethylene Imide can be used as a dispersant in pigments, fillers, fibers and other materials. It can effectively increase the spacing between particles, prevent particle agglomeration and deposition, and improve the uniformity and stability of the material.
8. Release agent:
N.N'-ethylene Imide can be used as a component of plastic mold release agent. It can reduce the friction between the mold and plastic, making it easier for plastic products to detach from the mold, reducing the risk of damage and cracking.
9. Antioxidants:
N.N'-ethylene Imide has certain antioxidant properties and can be used as an antioxidant for rubber and plastic products and other materials. It can effectively delay the aging and deterioration process of materials, improve their weather resistance and service life.
10. EBS can also be used as pigments, fillers, and dispersants
EBS is a chemical fiber color masterbatch used as a dispersant for plastic pigments, such as ABS, PS, polypropylene, and polyester color masterbatches. EBS can also be used as a diffusion powder for plastic color matching. It depends on the amount of pigment fillers added.
11. Application of EBS in rubber:
EBS is added to the lotion of vinyl, neoprene, GRS (SBR) and other synthetic resins and rubber, which has good anti adhesion and anti caking effects. Suitable for rubber products such as car floor mats and drainage pipes to improve surface glossiness.
12. Application of ethylene bis Ceramide in chemical fibers:
EBS can improve the heat resistance, weather resistance, and flowability of polyester and polyamide fibers, and has a certain anti-static effect.
13. Application of EBS powder in plastics:
Among many thermoplastics and thermosetting plastics, the most representative ones such as ABS, PS and PVC can also be used as internal and external sliding agents for PE, PP, PVAc, Cellulose acetate, nylon, phenolic resin and amino plastics, with good smoothness and film removal performance. In thermoplastic injection molding processes, additives also serve as internal film removers. As a Polyoxymethylene lubricant, it improves the melt flow rate and film removal rate, and the whiteness, thermal stability and physical indicators of Polyoxymethylene reach the indicators of high-end products.
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Synthesis of ethylene distearamide: under the action of catalyst, stearic acid and ethylene diamine are directly condensed and dehydrated to obtain ethylene distearamide. Firstly, stearic acid reacts with ethylenediamine in the molten state to form the intermediate ammonium salt, which is easily colored and decomposed above 140C to obtain the corresponding ethylene bis stearamide.
N. As an organic compound, EBS powder has certain reaction properties.
1. Heating decomposition:
At high temperature, N,N'-ethylenediimide may undergo Chemical decomposition. Decomposition products may include Ethylenediamine, stearamide and other degradation products.
2. Polycondensation reaction:
N.N'-ethylenediimide can participate in the polycondensation reaction, that is, two or more molecules combine to form larger molecules. This reaction is usually carried out at high temperatures and in the presence of a catalyst. For example, it can form larger molecular weight polymers by reacting with polyamide.
3. Oxidation reaction:
N.N'-ethylene Imide may be oxidized in the presence of oxidants. This reaction will alter its chemical properties and function. For example, it may be oxidized by hydrogen peroxide (H2O2) to corresponding aldehydes or ketones.
4. Ammonia hydrolysis reaction:
N.N'-ethylene Imide can participate in ammonolysis reaction, that is, by reacting with ammonia (NH3) or amine, corresponding amine products are generated in the reaction.
5. Reaction activation:
N.N'-ethylene Imide can be promoted by some activators (such as acid, base or metal catalyst), thus triggering the reaction of some functional groups in its structure. These reactions can lead to changes in molecular structure and function.
6. Reaction and carboxylic acid:
N. The amide functional group in N'-ethylene Imide can react with carboxylic acid to form amide condensation product. This reaction is of great significance in polymer synthesis and material functionalization processes.
7. Chain reaction:
N. The amide group in N'-ethylene Imide can participate in the reaction of forming hydrophobic chain or thickener chain. These reactions can be realized by Condensation reaction with other compounds (such as amines, alcohols or aldehydes).
Stability: EBS is stable to acidic, alkaline, and aqueous media, and is not prone to chemical changes under these conditions.
Anti adhesion: EBS has anti adhesion properties, which can prevent adhesion between different materials, thereby improving the demolding and smoothness of the product.
Reactivity: EBS shows very little reactivity and has high thermal stability. It is not prone to chemical reactions with other substances, but may react with other compounds under specific conditions such as high temperature, high pressure, or the presence of catalysts.
Lubrication: EBS has excellent lubrication performance, which is one of the important reasons why it is widely used as a plastic processing aid. It can reduce friction and wear during plastic processing, and improve processing efficiency.
Antistatic properties: EBS has a certain anti-static effect, which can reduce the generation and accumulation of static electricity and protect products from electrostatic damage.
Dispersibility: EBS has a strong affinity with pigments or fillers, which can significantly improve their dispersibility and coupling properties in polymers, enhancing the commercial value of the product.
Compatibility: EBS has good compatibility with various synthetic resins such as acrylonitrile butadiene styrene polymer (ABS), polyvinyl chloride, phenolic resin, polystyrene, etc., and can be uniformly dispersed and function in these resins.
Nucleation transparency: In compounds such as polyolefins, polyformaldehyde, and polyamides, EBS can shorten nucleation time, promote resin structure thinning, and improve the mechanical properties and transparency of the product.
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