Description

Butanedioic acid, methylene-, polymer with 1,3-butadiene, ethenylbenzene and N-(hydroxymethyl)-2-propenamide is a specialized functional polymer designed for high-performance applications. This engineered copolymer is valued for its unique combination of properties derived from its multi-monomer composition, offering enhanced adhesion, cross-linking capability, and chemical resistance. It is a critical raw material for industrial formulators seeking to improve the durability and functionality of coatings, adhesives, and composite materials.

Application

• Industrial Coatings Binder: Used as a film-forming agent in protective coatings for metal, wood, and concrete, providing excellent adhesion and resistance to chemicals and weathering.
• Adhesive Formulations: Serves as a key component in structural and pressure-sensitive adhesives, enhancing bond strength and cohesion.
• Textile Finishing: Applied in fabric coatings and non-woven binders to impart water repellency, stiffness, or flame retardancy.
• Paper Sizing and Coating: Improves the strength, printability, and water resistance of paper and paperboard products.
• Composite Materials: Acts as a matrix resin or compatibilizer in fiber-reinforced plastics and mineral-filled composites.
• Sealant and Caulk Formulations: Provides flexibility, adhesion, and durability in construction and automotive sealants.

Basic Information

Product Name	Butanedioic acid, methylene-, polymer with 1,3-butadiene, ethenylbenzene and N-(hydroxymethyl)-2-propenamide
CAS No.	53504-31-7
Molecular Formula	(C5H6O4 • C4H6 • C8H8 • C4H7NO2)x
Molecular Weight	Polymer - varies by grade
Synonyms	2-Butenedioic acid (E)-, polymer with 1,3-butadiene, ethenylbenzene and N-(hydroxymethyl)-2-propenamide; Fumaric acid, polymer with 1,3-butadiene, styrene and N-methylolacrylamide; Butadiene-Styrene-N-Methylolacrylamide-Fumaric Acid Copolymer; BSMAF copolymer; Reactive styrene-butadiene copolymer; Carboxylated and N-methylol functionalized SBR; Thermosetting latex polymer; Functionalized SB copolymer.
EINECS	Contact for details

Quality Control

Our production of this functional polymer adheres to strict quality management systems to ensure batch-to-batch consistency and performance reliability. Key parameters such as solid content, viscosity, pH, particle size, and functional group content are rigorously monitored. A Certificate of Analysis (COA) detailing all relevant specifications is provided with each shipment 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 room temperature (15-25°C). Keep away from strong acids and organic solvents. Do not freeze. Under these conditions, the product is typically stable for 12 months from the date of manufacture.

Specification

Item	Specification
Appearance	White to off-white dispersion or solid
Solid Content	40 - 50% (or as per grade)
pH (at 25°C)	7.0 - 9.0
Viscosity (Brookfield)	100 - 5000 cps
Particle Size	< 500 nm
Glass Transition Temperature (Tg)	Contact for details
Minimum Film Forming Temperature (MFFT)	Contact for details

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