Superior Plasticizing Efficiency: Phthalates provide exceptional internal lubrication for PVC, significantly lowering the glass transition temperature and improving mechanical elasticity.
Low Volatility and Resistance: These esters possess a low vapor pressure and high boiling point, ensuring that plastic products maintain their flexibility over time.
Excellent Material Compatibility: Their non-polar chemical structure allows for seamless integration with various polymers, resulting in clear, uniform, and stable material blends.
Enhanced Weathering Resistance: Phthalates contribute to the UV stability and moisture resistance of end products, preventing cracking or degradation in harsh outdoor environments.
Cost-Effectiveness and Versatility: They remain the most economical choice for bulk plasticizing, offering a balance of performance characteristics suitable for diverse manufacturing processes.
规格
技术亮点
Molecular Weight and CAS: For Bis(2-ethylhexyl) phthalate (DOP), the molecular weight is 390.56 g/mol, and the CAS Registry Number is 117-81-7.
Density and Refractive Index: The compound exhibits a specific gravity of approximately 0.985 g/cm³ at 20°C and a refractive index of 1.485.
Flash and Boiling Points: DOP has a high flash point of approximately 215°C (closed cup) and a boiling point of 385°C at atmospheric pressure.
Viscosity Profile: It maintains a dynamic viscosity of roughly 80 mPa·s at 20°C, facilitating easy pumping and mixing during industrial polymer extrusion.
Water Solubility and Purity: Industrial grade phthalates typically maintain a purity above 99.5%, with water solubility as low as 0.003 mg/L at 25°C.
