Description

Styrene/Methacrylamide/Acrylates Copolymer is a synthetic polymer engineered to deliver specific performance characteristics in advanced formulations. This versatile copolymer is valued for its ability to modify rheology, enhance film formation, and improve adhesion across diverse industrial applications. It is a critical component for manufacturers in the coatings, adhesives, personal care, and specialty chemical industries seeking to develop high-performance, durable products.

Application

• Industrial and Architectural Coatings: Acts as a key film-forming agent and rheology modifier to improve durability, gloss, and water resistance in paints and varnishes.
• Adhesives and Sealants: Enhances tack, cohesive strength, and adhesion to various substrates, including plastics and metals.
• Personal Care Products: Used in hair styling formulations (e.g., mousses, gels) and skincare products as a film-forming agent and styling/hold polymer.
• Textile and Leather Finishes: Provides a protective, flexible coating that improves abrasion resistance and hand feel.
• Printing Inks: Contributes to ink adhesion, rub resistance, and gloss in various printing applications.
• Paper Coatings: Improves surface strength, printability, and barrier properties of coated papers.

Basic Information

Product Name	Styrene/Methacrylamide/Acrylates Copolymer
CAS No.	28632-83-9
Molecular Formula	(C8H8·C4H7NO·C3H4O2)x
Molecular Weight	Contact for details
Synonyms	Styrene Methacrylamide Acrylates Copolymer; Acrylates/ Methacrylamide/ Styrene Copolymer; Poly(Styrene-co-Methacrylamide-co-Acrylates); SMA Copolymer; Styrene Acrylamide Acrylate Terpolymer; 2-Propenoic acid, polymer with ethenylbenzene and 2-methyl-2-propenamide; Acrylic-Styrene-Methacrylamide Copolymer
EINECS	Contact for details

Quality Control

Our Styrene/Methacrylamide/Acrylates Copolymer is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent performance, including assessment of molecular weight distribution, monomer content, and key physical properties. Certificates of Analysis (COA) documenting purity, viscosity, solids content, and other critical parameters are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat sources and open flame. Under these conditions, the product has excellent shelf stability.

Specification

Item	Specification
Appearance	White to off-white powder or aqueous dispersion
Identification (IR)	Conforms to structure
Assay (Solid Content)	≥ 95.0% (for powder) / 40-50% (for dispersion, typical)
Residual Monomers	< 0.1% (each)
Viscosity (Brookfield)	Contact for details
pH (for dispersion)	6.0 - 8.0
Particle Size (for dispersion)	< 1 µm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.