Description

2-Butenedioic Acid (E)-, Polymer With 1,3-Butadiene, Ethenylbenzene, Methylenebutanedioic Acid And 2-Methyl-2-Propenoic Acid, Ammonium Salt is a specialized ammonium salt of a complex copolymer, engineered to deliver superior performance in demanding aqueous formulations. This product is valued for its ability to provide excellent dispersing, stabilizing, and rheology-modifying properties. It is a critical component for manufacturers in the coatings, adhesives, and construction chemical industries seeking to enhance product durability and application characteristics.

Application

• Coatings & Paints: Acts as a highly effective dispersant and stabilizer in water-based architectural and industrial coatings, improving pigment suspension and film integrity.
• Adhesives & Sealants: Used as a rheology modifier and tackifier in aqueous adhesive systems, providing controlled viscosity and enhanced bonding strength.
• Construction Chemicals: A key additive in cementitious formulations, tile adhesives, and grouts to improve workability, water retention, and final mechanical properties.
• Textile & Leather Auxiliaries: Serves as a processing aid and finishing agent to improve handle, dye uptake, and overall quality of treated materials.
• Paper Coating: Functions as a binder and retention aid in paper coating slips, enhancing printability, gloss, and surface strength.
• Industrial Cleaners: Incorporated into detergent formulations for its soil suspension and anti-redeposition capabilities.

Basic Information

Product Name	2-Butenedioic Acid (E)-, Polymer With 1,3-Butadiene, Ethenylbenzene, Methylenebutanedioic Acid And 2-Methyl-2-Propenoic Acid, Ammonium Salt
CAS No.	129539-27-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Ammonium salt of maleic acid-butadiene-styrene-maleic acid-methacrylic acid copolymer; Poly(maleic acid-co-butadiene-co-styrene-co-itaconic acid-co-methacrylic acid) ammonium salt; Acrylic copolymer dispersion; Aqueous polymer dispersion; Dispersant copolymer; Styrene-acrylic copolymer ammonium salt; Water-based resin; Binder for coatings
EINECS	Contact for details

Quality Control

Our production of 2-Butenedioic Acid (E)-, Polymer With 1,3-Butadiene, Ethenylbenzene, Methylenebutanedioic Acid And 2-Methyl-2-Propenoic Acid, Ammonium Salt adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure consistent performance, including checks for solids content, viscosity, pH, and ionic character. Certificates of Analysis (COA) documenting full specifications 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, and well-ventilated area at ambient temperatures (15-25°C). This product is moisture-sensitive; protect from freezing and extreme heat to maintain stability and prevent phase separation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Milky white to slightly yellow dispersion
Solids Content	40 - 50 %
pH (as is, 25°C)	7.0 - 9.0
Viscosity (Brookfield, 25°C)	100 - 3000 mPa·s
Ionic Character	Anionic
Identification (IR)	Conforms

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