Improved Mechanical Properties
Polymeric plasticizers can enhance the mechanical properties of PVC, such as tensile strength, elongation at break, and impact resistance. This results in PVC products that are more durable and able to withstand mechanical stress.
Low Volatility
Polymeric plasticizers typically have lower volatility compared to traditional monomeric plasticizers like phthalates. This means they are less likely to evaporate over time, resulting in improved long-term performance and stability of PVC products.
Reduced Migration
Polymeric plasticizers have a higher molecular weight compared to monomeric plasticizers, which reduces their tendency to migrate out of the PVC matrix. This results in PVC products with improved resistance to plasticizer migration, reducing the risk of surface blooming or loss of mechanical properties over time.
Enhanced Heat Stability
Polymeric plasticizers often exhibit better heat stability compared to monomeric plasticizers. This makes them suitable for applications where PVC products are exposed to elevated temperatures, such as automotive interiors or outdoor applications.
Environmental Compatibility
Many polymeric plasticizers are derived from renewable resources or are biodegradable, making them more environmentally friendly compared to traditional plasticizers derived from fossil fuels. This aligns with increasing regulatory and consumer demands for sustainable and eco-friendly products.
Compatibility with PVC Additives
Polymeric plasticizers are typically more compatible with other additives commonly used in PVC formulations, such as stabilizers, fillers, and pigments. This allows for easier processing and improved dispersion of additives, resulting in more uniform and consistent PVC products.
Versatility
Polymeric plasticizers can be tailored to meet specific performance requirements for a wide range of PVC applications. They can be designed to provide flexibility, hardness, or other desired properties based on the needs of the end-use application.
Product Name | CAS No | Appearance | Melting / Boiling Point- Deg C |
Poly(2-ethylhexyl acrylate) | 9003-77-4 | Colourless liquid | 216 |
Poly(butyl acrylate) | 9003-49-0 | Colourless liquid | 145 |
Poly(ethyl acrylate) | 9003-32-1 | Colourless liquid | 99 |
Poly(methyl acrylate) | 9003-21-8 | Colourless liquid | 100-110 |
Polyethylene Glycol (PEG) | 25322-68-3 | Colourless liquid | 150 |
Polyethylene Glycol Diesters | 25322-68-3 | Colourless liquid | 150 |
Polyethylene Glycol Monoesters | 25322-68-3 | Colourless liquid | 150 |
Polyethylene Glycol Monomethyl Ether (MPEG) | 9004-74-4 | White or Colorless to Almost white or Almost colorless powder to lump to clear liquid | 20-40 |
Polymeric Diethyl Phosphate (PDEP) | 598-02-7 | Clear colorless to light yellow-orange liquid | 200-225 |
Polymeric Dimethyl Phosphate (PDMP) | 813-78-5 | Clear colorless to yellow or brown liquid | 174 |
Polymeric Diphenyl Phosphate (PDP) | 838-85-7 | white crystalline solid | 60-65 |
Polypropylene Glycol (PPG) | 25322-69-4 | Transparent liquid | 300 |