Styrene Acrylic Emulsion Polymer
Styrene Acrylic Emulsion Polymer is a water-based copolymer emulsion combining styrene and acrylic monomers, designed as a versatile binder with excellent film formation, adhesion, and durability. Widely used across paints, coatings, adhesives, textiles, and construction materials, this polymer offers superior weather resistance, water repellency, and flexibility. Its emulsified form enables easy incorporation into aqueous formulations, delivering enhanced performance and environmental benefits by reducing VOC emissions.
Primary Uses
Paints & Coatings Industry
Architectural Coatings: Provides strong adhesion, gloss, and flexibility in interior and exterior paints.
Industrial Protective Coatings: Delivers resistance to corrosion, abrasion, and weathering in metal and concrete coatings.
Wood Coatings: Improves durability and appearance in wood finishes and sealants.
Textile Coatings: Enhances fabric durability, water resistance, and surface texture.
Adhesives Industry
Pressure-sensitive Adhesives: Used in tapes, labels, and films for flexible, strong bonding.
Construction Adhesives: Offers excellent adhesion and water resistance for bonding tiles, flooring, and panels.
Packaging Adhesives: Enables strong, fast-setting bonds for flexible and rigid packaging materials.
Construction Materials
Cement & Mortar Modifiers: Improves flexibility, adhesion, and water resistance in tile adhesives, grouts, and cementitious coatings.
Sealants & Caulks: Enhances elasticity, weatherability, and durability in acrylic and silicone sealants.
Wall Putty & Fillers: Provides smooth texture and improved binding properties.
Secondary Uses
Textiles
Fabric Finishing: Used for softness, stiffness, or water repellency treatments on fabrics.
Nonwoven Fabrics: Acts as a binder to increase strength and durability.
Paper Industry
Surface Coatings: Enhances gloss, printability, and strength of coated papers.
Wet Strength Additive: Improves resistance to moisture in specialty papers.
Leather Industry
Coatings & Finishes: Provides protective, flexible films on leather goods to improve durability and appearance.
Plastic & Rubber Industries
Plastic Modifier: Enhances impact resistance and flexibility in PVC and other polymers.
Adhesion Promoter: Facilitates bonding in composites and multilayer materials.
Printing Inks
Binder in Water-based Inks: Improves adhesion, gloss, and durability on various substrates.
Automotive Industry
Coatings & Sealants: Used in automotive refinishes and sealants for durability and weather resistance.
Basic Identification Attributes
Chemical Name (IUPAC): Copolymer of styrene and acrylic monomers
Common/Trade Name: Styrene Acrylic Emulsion Polymer
CAS Number: Not applicable (copolymer)
HS Code: 3906.90.00
Synonyms: Styrene-acrylic copolymer emulsion, Styrene acrylic resin emulsion
Physical & Chemical Properties
Physical State: Milky white liquid emulsion
Color & Odor: White; mild odor
Solubility: Dispersible in water; insoluble in organic solvents
pH: Typically 7.0–9.0 (neutral to mildly alkaline)
Solid Content: 40–55% (varies by grade)
Viscosity: Low to medium viscosity depending on formulation
Density: Approx. 1.0–1.1 g/cm³
Safety & Hazard Attributes
GHS Classification: Not classified as hazardous
Toxicity: Low toxicity under normal handling conditions
Exposure Limits: Follow standard occupational safety practices
Storage & Handling Attributes
Storage Conditions: Store in sealed containers, protected from freezing and direct sunlight, ideally between 5–35 °C
Container Type: Plastic drums, totes, or bulk containers
Shelf Life: 6–12 months depending on storage conditions
Handling Precautions: Avoid freezing, contamination, and prolonged skin contact
Regulatory & Compliance Attributes
Manufactured under Good Manufacturing Practices (GMP)
Complies with REACH, TSCA, and OSHA HCS regulations
Suitable for use in low-VOC and environmentally friendly formulations
Meets standards for VOC content in paints and coatings
Environmental & Health Impact
Biodegradability: Partially biodegradable under aerobic conditions
Ecotoxicity: Low toxicity to aquatic organisms
Bioaccumulation: Not significant
Environmental Notes: Proper wastewater treatment recommended to prevent polymer residues in effluent
PPE Required: Gloves and eye protection recommended
Handling Guidelines: Use adequate ventilation; avoid skin and eye contact
Storage Measures: Keep containers tightly closed, protected from freezing and contamination
First Aid Measures
Inhalation: Move to fresh air if irritation occurs
Skin Contact: Wash with soap and water
Eye Contact: Flush with water for 15 minutes; seek medical attention if irritation persists
Ingestion: Rinse mouth; seek medical advice if necessary
Firefighting Measures
Fire Hazards: Non-flammable in emulsion form; dried polymer is combustible
Extinguishing Media: Water spray, foam, dry chemical, or COâ‚‚
Hazardous Combustion Products: Carbon monoxide, carbon dioxide, and other organic combustion products