Overview
BASF Antioxidants are specialized chemical additives developed to prevent oxidative degradation in various materials. As part of BASF's performance chemicals portfolio, these products are engineered to meet stringent industry requirements for polymer stabilization. The antioxidant range includes phenolic primary antioxidants (e.g., Irganox series) and phosphite secondary antioxidants, often used synergistically. These additives function by interrupting the free radical chain reaction that causes material breakdown. BASF's formulations are tailored for specific applications, offering different molecular structures that determine their effectiveness under varying temperature ranges and environmental conditions. The company's R&D focus ensures continuous improvement in performance characteristics.
Physical and Chemical Properties
BASF Antioxidants exhibit product-specific physical properties, but share common chemical characteristics. Most grades appear as fine powders or granules with good flow properties for industrial handling. They demonstrate high thermal stability, with decomposition temperatures typically exceeding 200°C, making them suitable for high-temperature processing. The chemical structure features active hydroxyl or amine groups that scavenge free radicals. Molecular weights range from 300-1,200 g/mol, optimized to balance mobility within the matrix with low volatility. Solubility parameters are carefully designed to ensure compatibility with common polymers like polyethylene, polypropylene, and styrenics without causing blooming or migration issues.
Main Applications
In plastics processing, BASF Antioxidants prevent discoloration and maintain mechanical properties in polyolefins, engineering plastics, and elastomers. They're crucial for products requiring long-term thermal stability, such as automotive components and electrical insulation materials. The fuel and lubricant industry utilizes these additives to prevent gum formation and viscosity changes. In food packaging applications, specially approved grades comply with FDA and EU regulations. Other applications include synthetic fibers, adhesives, and coatings where oxidative degradation would otherwise limit product performance and service life.
Safety and Storage
While BASF Antioxidants are generally stable under recommended conditions, proper handling procedures must be followed. Use NIOSH-approved dust masks and chemical-resistant gloves when handling powders to prevent respiratory or dermal exposure. Avoid creating dust clouds during transfer operations. Storage requires protection from moisture and heat. Keep containers tightly sealed in well-ventilated areas away from oxidizing agents. Shelf life typically exceeds 2 years when stored properly. In case of spillage, collect material using non-sparking tools and place in approved containers for disposal according to local regulations.
B2B Procurement Guide
Industrial buyers should specify technical requirements including: polymer type, processing temperature range, regulatory compliance needs (e.g., FDA, REACH), and desired performance lifespan. BASF offers technical support for product selection through their application laboratories. Procurement quantities range from 25kg bags to bulk shipments (palletized or big bags). Lead times vary by product availability, with standard grades typically stocked regionally. Consider requesting samples for compatibility testing before large orders. Pricing depends on raw material markets and order volume, with contract options available for regular purchasers.
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