Styrene maleic anhydride copolymer

Description

1. Product Overview
   Styrene Maleic Anhydride (SMA) Copolymer is a high-performance functional polymer synthesized from styrene and maleic anhydride monomers. It is widely used across industrial sectors as a key compatibilizer, dispersant, and performance enhancer in polymer blends, coatings, and chemical formulations. The product delivers superior adhesion, thermal stability, and chemical reactivity, making it a strategic material in advanced manufacturing and formulation engineering. Its ability to improve material compatibility and system performance positions it as an essential input in high-value industrial supply chains.
2. Key Specifications & Technical Characteristics

• Chemical Composition: Styrene–maleic anhydride copolymer (varying ratios such as 1:1 or 2:1 styrene to maleic anhydride)
• Purity/Grade: Industrial grade, high molecular weight polymer
• Physical Form: White to off-white powder or granules
• Density: Approx. 1.1 – 1.3 g/cm³
• Solubility: Soluble in polar organic solvents (varies by grade and modification)
• Functional Groups: Reactive anhydride groups enabling chemical modification and grafting
• Packaging Options: 25 kg multi-layer paper bags with inner PE lining or customized industrial packaging
• Shelf Life: Up to 24 months under recommended dry, cool storage conditions

3. Core Industrial Applications

• Adhesives & Sealants: Enhances bonding strength, heat resistance, and substrate compatibility
• Coatings & Paints: Improves dispersion stability, gloss, and film-forming properties
• Plastics & Polymers: Acts as a compatibilizer in polymer blends, improving interfacial adhesion
• Oil & Gas Industry: Used in drilling fluids and additives for performance optimization
• Water Treatment & Dispersants: Functions as an effective dispersing and stabilizing agent
• Paper & Textile Industry: Enhances sizing efficiency and surface treatment performance
  Its superior functional reactivity and compatibility performance allow manufacturers to achieve higher efficiency, improved product durability, and reduced formulation costs compared to conventional additives.

4. Competitive Advantages

• High Consistency: Tight molecular weight and composition control ensuring batch-to-batch reliability
• Strong Supply Stability: Scalable production capacity for continuous industrial demand
• Efficient Logistics: Optimized packaging and global shipping readiness for bulk export
• Cost Efficiency: High performance at optimized dosage levels reduces overall formulation costs
• Sustainability Benefits: Enables lower additive consumption and improved process efficiency
• Technical Support: Comprehensive documentation including COA, MSDS, and application guidance available
• Performance Edge: Superior adhesion, dispersibility, and chemical reactivity versus standard copolymers

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20 MT
• Loading Capacity: Approximately 20–22 MT per 20-foot container (depending on packaging configuration and regional shipping regulations)