Stearamide Emulsion Overview
Stearamide is a white emulsion, the product is non-toxic, non-polluting, harmless and environmentally friendly. It is easy to disperse in water and has the characteristics of ultra-fineness, low viscosity and good dispersibility.
Stearamide is also known as stearamide. Its chemical formula is C17H35CONH2. Stearamide is insoluble in water and slightly soluble in organic solvents at room temperature. It can improve the dispersion effect and affinity of dyes and pigments.
Good adhesion, lubricity and mold release, no moisture absorption and other advantages. Miscible with paraffin. Stearic acid reacts with ammonia to form the ammonium salt, which is then dehydrated to obtain the final product. Non-hygroscopic, good slip, can improve the dispersion effect of pigments and dyes, and has lubricity and mold release. Used as surfactants, fiber oils, mold release agents, lubricants for polyvinyl chloride and urea resins, mixing agents for pigment inks and crayons.
Stearamide can be used as a sensitizer and slip agent in thermal paper coatings, and as a slip agent and anti-blocking agent in polyolefin films. Stearates are based on fatty saturated linear monocarboxylic acids derived from natural vegetable oils.
Preparation of Stearic Acid Amide Emulsion
The composition of raw materials in parts by weight: 45 parts of stearic acid amide; 6 parts of emulsifier A; 14 parts of emulsifier B; 0.8 part of defoamer; 0.5 part of preservative; 60 parts of water. Described defoamer is selected from polyoxyethylene polyoxypropanolamine ether; described antiseptic is selected from sodium dehydroacetate; described emulsifier A is selected from sorbitan monolaurate; described emulsifier B is prepared by the following method: (1) 11-trans-octadecenoic acid is added dropwise with thionyl chloride, the reaction temperature is controlled to be 55°C, and the reaction is stirred for 4h to obtain 11-trans-octadecenoic acid chloride; ( 2) Add sinapyl alcohol to the acetone solution, then add 11-trans-octadecenoic acid chloride, react at 35° C. for 2 hours, and wash the product to obtain the emulsifier B; 11-trans- The molar ratio of octadecenoic acid and thionyl chloride is 1:1.8; the molar ratio of sinapyl alcohol to 11-trans-octadecenoic acid chloride in step (2) is 1:10.
The preparation method of water-based stearic acid amide: first add stearic acid amide and emulsifiers A and B to water and stir for 60min (stirring speed is 2500r/min), then add defoamer and preservative and stir for 40min (stirring speed is 2500r/min) /min) to obtain the water-based stearic acid amide emulsion. The solid content of the prepared water-based stearic acid amide emulsion was 41.7 wt %, and the viscosity was 146 mPa·S; the water-based stearic acid amide emulsion was centrifuged for 30 min under the condition of 20000 r/min, and no layering phenomenon was seen; The stearic acid amide emulsion was placed under the condition of 20～35℃ for 3 months, and the phenomenon of flocculation and stratification did not appear.
Stearic acid amide emulsion application
Stearamide is used as a lubricating release agent for plastics such as polyvinyl chloride and polystyrene, and has excellent external lubricating effect and release performance.
As an anti-blocking agent for polyolefin films, stearamide is usually used in combination with oleamide erucamide.
Compared with the commonly used inorganic anti-blocking agent (silica), stearamide has the characteristic of not affecting the clarity of the product. It is used as an internal mold release agent and lubricant for synthetic rubber or natural rubber, improving rubber processing aids, and imparting good gloss to products.
Stearic acid amide ultrafine water dispersion is used as a sensitizer for thermal paper.
Stearamide ultrafine aqueous dispersion is used as textile waterproofing agent, fiber softener, antistatic agent, wetting agent, and styling aid.
Stearic acid amide emulsion price
The price of stearic acid amide emulsion products varies randomly with factors such as production cost, transportation cost, international situation, exchange rate and market supply and demand of stearic acid amide emulsion products. Tanki New Materials Co., Ltd. aims to help industries and chemical wholesalers find high-quality, low-cost nanomaterials and chemicals by providing a full range of customized services. If you are looking for stearic acid amide emulsion product material, please feel free to contact for the latest price of stearic acid amide emulsion product material.
Stearic acid amide emulsion supplier
As a global supplier of stearic acid amide emulsion, Tanki New Materials Co., Ltd. Extensive experience in the performance, application and cost-effective manufacturing of advanced engineered materials. The company has successfully developed a series of powder materials (including oxides, carbides, nitrides, single metals, etc.), high-purity targets, functional ceramics and structural devices, and provides OEM services.
Technical Data of Stearic Acid Amide Emulsion:
| Solid content，% | 25±2 |
| Viscosity，cps | ≤250 |
| Particle size D50 | ≤2um |
| PH | 6-9 |
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