Description

2-Acrylamido-2-Methylpropanesulfonic Acid-Acrylic Acid Copolymer is a high-performance, water-soluble synthetic polymer known for its exceptional thermal stability, salt tolerance, and dispersing properties. This copolymer is engineered to provide superior performance in demanding aqueous environments where conventional polyelectrolytes may fail. It is a critical raw material for formulators and manufacturers in the water treatment, oilfield, and personal care industries seeking to enhance product efficacy and process efficiency.

Application

• Water Treatment: Acts as a highly effective scale inhibitor and dispersant for calcium carbonate, calcium sulfate, and barium sulfate in cooling water, boiler water, and reverse osmosis systems.
• Oilfield Chemicals: Used as a fluid loss control additive and viscosifier in drilling fluids, and as a scale inhibitor in production chemicals for high-temperature, high-salinity downhole conditions.
• Personal Care & Cosmetics: Functions as a superior thickener, stabilizer, and film-forming agent in hair gels, styling mousses, and skin care formulations due to its clarity and compatibility.
• Textile & Dyeing: Serves as a leveling agent and dispersant for dyes and pigments, improving color uniformity and fastness.
• Paints & Coatings: Utilized as a pigment dispersant and rheology modifier in aqueous formulations to prevent settling and ensure stable viscosity.
• Construction Chemicals: Incorporated as a superplasticizer and water-reducing agent in cement and concrete admixtures to improve workability and strength.
• Paper Manufacturing: Acts as a retention aid and drainage aid in papermaking processes to improve sheet formation and production efficiency.
• Industrial Cleaning: Enhances the performance of detergent formulations by preventing redeposition of soil and acting as a builder in hard water.

Basic Information

Product Name	2-Acrylamido-2-Methylpropanesulfonic Acid-Acrylic Acid Copolymer
CAS No.	40623-75-4
Molecular Formula	(C7H13NO4S)x(C3H4O2)y
Molecular Weight	Varies (Copolymer)
Synonyms	AMPS®-Acrylic Acid Copolymer; Poly(AMPS-co-AA); 2-Acrylamido-2-methyl-1-propanesulfonic acid - acrylic acid copolymer; ATBS-AA Copolymer; AMPS/AA Copolymer; Acrylic acid / 2-acrylamido-2-methylpropanesulfonic acid copolymer; Sulfonated polyacrylamide copolymer; CAS 40623-75-4
EINECS	Contact for details

Quality Control

Our 2-Acrylamido-2-Methylpropanesulfonic Acid-Acrylic Acid 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, solids content, viscosity, and ionic character. Certificates of Analysis (COA) documenting key specifications are available for every shipment upon request, providing full traceability and quality assurance for your production processes.

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); ensure containers are sealed after each use to prevent moisture absorption and caking.

Specification

Item	Specification
Appearance	White to off-white powder or viscous aqueous solution
Solid Content	≥ 90% (Powder) or as specified (Solution)
pH (1% aqueous solution)	6.0 - 8.0
Viscosity (Brookfield, 25°C)	Contact for details
Residual Monomer	< 0.1% (by HPLC)
Sulfonate Content	Contact for details
Ash Content	< 1.0%

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