The product, diphenyl isodecyl phosphate with the CAS number 29761-21-5, is a high - quality chemical compound. It is often recognized for its outstanding physical and chemical properties. Physically, it usually appears as a clear, colorless to pale - yellow liquid under normal temperature and pressure conditions.
One of the key parameters of this product is its molecular formula, which is (C_{22}H_{31}O_{4}P). This indicates the specific combination of carbon, hydrogen, oxygen, and phosphorus atoms within the molecule. Its molecular weight is approximately 390.45 g/mol.
It has a relatively low volatility, which makes it suitable for applications where long - term stability is required. The flash point of diphenyl isodecyl phosphate is relatively high, which also enhances its safety in many industrial environments.
Diphenyl isodecyl phosphate has a wide range of applications in different industries. In the plastics industry, it is commonly used as a flame retardant plasticizer. When added to plastics such as polyvinyl chloride (PVC), it can not only improve the flexibility and processability of the plastic but also significantly enhance its flame - retardant properties. This helps to meet the strict fire safety regulations in various fields, including construction, automotive, and electronics.
In the lubricant industry, this product can be used as an anti - wear additive. It forms a protective film on the surfaces of metal parts in contact with each other, reducing friction and wear. This extends the service life of mechanical equipment and improves its overall performance.
In the coatings and adhesives industry, diphenyl isodecyl phosphate can act as a viscosity modifier. It helps to adjust the viscosity of coatings and adhesives to the appropriate level, ensuring good application performance, such as smooth spreading and proper adhesion.
When using diphenyl isodecyl phosphate as a flame retardant plasticizer in plastics, it is generally recommended to add it during the plastic compounding process. The addition ratio depends on the specific type of plastic and the required flame - retardant level. Usually, a ratio of 5% - 20% by weight is common, but this should be adjusted according to actual testing and industry standards.
As an anti - wear additive in lubricants, it needs to be mixed evenly with the base lubricant. The dosage is typically in the range of 1% - 5% by weight, depending on the operating conditions of the mechanical equipment, such as load, speed, and temperature.
For use in coatings and adhesives, it can be added during the formulation process. The amount added is determined by the desired viscosity and application properties of the final product. It is important to ensure thorough mixing to achieve uniform distribution in the system.
Case 1: A PVC pipe manufacturing company was facing challenges in meeting the fire - safety requirements of their products. By adding diphenyl isodecyl phosphate as a flame retardant plasticizer at a ratio of 15% by weight during the extrusion process, the PVC pipes passed the strict fire - resistance tests. Moreover, the pipes also showed improved flexibility and mechanical properties, reducing the rate of breakage during installation.
Case 2: An automotive engine lubricant manufacturer wanted to enhance the anti - wear performance of their product. They added 3% diphenyl isodecyl phosphate to their base lubricant. After extensive testing on engines under different operating conditions, it was found that the wear of engine components was significantly reduced. The engine also showed better fuel efficiency due to lower friction.
Case 3: A furniture coating company needed to improve the application properties of their water - based coatings. By adding an appropriate amount of diphenyl isodecyl phosphate as a viscosity modifier, the coatings became easier to spread, resulting in a smoother and more uniform finish on the furniture surfaces. This increased customer satisfaction and product competitiveness in the market.
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