Description

Poly(2-Acrylamido-2-Methyl-1-Propanesulfonic Acid-Co-Styrene) is a high-performance synthetic copolymer combining the hydrophilic, anionic character of AMPS (2-acrylamido-2-methyl-1-propanesulfonic acid) with the hydrophobic, structural properties of styrene. This unique composition provides exceptional thermal stability, electrolyte tolerance, and robust film-forming capabilities, making it a critical functional additive. It is essential for industries requiring advanced dispersants, scale inhibitors, or rheology modifiers under demanding conditions. Key sectors that rely on this copolymer include water treatment, enhanced oil recovery (EOR), coatings, and specialty polymer synthesis.

Application

• Oilfield Chemicals: As a high-temperature, high-salinity tolerant scale inhibitor and dispersant in drilling fluids and enhanced oil recovery (EOR) operations.
• Water Treatment: Used as an antiscalant and dispersant for calcium carbonate, calcium sulfate, and barium sulfate in industrial cooling and boiler water systems.
• Coatings and Paints: Functions as a rheology modifier and dispersing agent for pigments and fillers, improving stability and application properties.
• Textile and Paper Processing: Serves as a dye dispersant, sizing agent, and retention aid due to its strong anionic and complexing properties.
• Personal Care and Cosmetics: Utilized in hair care and skincare formulations as a film-forming agent and stabilizer for emulsions and suspensions.
• Construction Chemicals: Acts as a superplasticizer and water-reducing agent in high-performance concrete and cementitious systems.
• Adhesives and Sealants: Enhances adhesion, cohesion, and moisture resistance in various adhesive formulations.
• Specialty Polymer Synthesis: Employed as a comonomer to introduce sulfonic acid groups, imparting hydrophilicity and ion-exchange capacity to polymers.

Basic Information

Product Name	Poly(2-Acrylamido-2-Methyl-1-Propanesulfonic Acid-Co-Styrene)
CAS No.	51121-85-8
Molecular Formula	(C7H13NO4S)x(C8H8)y
Molecular Weight	Variable (Polymer)
Synonyms	Poly(AMPS-co-styrene); AMPS/Styrene Copolymer; 2-Acrylamido-2-methylpropanesulfonic Acid-Styrene Copolymer; Poly(sodium 2-acrylamido-2-methylpropanesulfonate-co-styrene); AMPS-St copolymer; Sulfonated Styrene-Acrylamide Copolymer; Poly(2-acrylamido-2-methyl-1-propanesulfonic acid-co-phenylethylene); CAS 51121-85-8
EINECS	Contact for details

Quality Control

Our Poly(2-Acrylamido-2-Methyl-1-Propanesulfonic Acid-Co-Styrene) is manufactured under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure consistent performance, including assessment of monomer ratio, molecular weight distribution, sulfonic acid content, and ionic character. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and physical specifications is provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed when not in use to prevent moisture absorption, which may affect product performance. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder or granules
Identification (IR)	Conforms to structure
Assay (as copolymer)	≥ 95.0 %
Sulfonic Acid Group Content	Contact for details
Moisture Content	≤ 5.0 %
pH (1% aqueous solution)	2.0 - 4.0
Viscosity (Brookfield, 25°C)	Contact for details
Residual Monomer	≤ 0.5 %

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