Description

2-Propenoic Acid, 2-Methyl-, Polymer With 1,3-Butadiene, Ethenylbenzene, 2-Methyl-2-Propenamide And 2-Propenenitrile is a high-performance, multi-component copolymer engineered for demanding industrial applications. This specialized polymer offers a unique balance of properties derived from its constituent monomers, including acrylic toughness, styrenic rigidity, butadiene elasticity, and nitrile chemical resistance. It is essential for manufacturers requiring advanced materials with tailored performance characteristics for coatings, adhesives, and sealants. The product is supplied under CAS No. 32312-87-1.

Application

• Industrial and Protective Coatings: Used as a key binder in high-durability coatings for metal, concrete, and plastic substrates, providing excellent adhesion, chemical resistance, and weatherability.
• Adhesives and Sealants: Serves as a primary polymer in formulating construction adhesives, pressure-sensitive adhesives (PSAs), and elastic sealants, offering strong bonding and flexibility.
• Textile and Leather Finishing: Applied in coatings and binders for textiles, non-wovens, and leather to enhance surface properties, durability, and water resistance.
• Paper and Packaging Coatings: Utilized in barrier coatings and saturants for paper and cardboard to improve strength, grease resistance, and printability.
• Automotive and Industrial Plastics: Acts as a modifier or primer for plastic components to improve paint adhesion, scratch resistance, and overall surface performance.
• Caulks and Grouts: A critical component in formulations for tile grouts, expansion joint sealants, and construction caulks, providing durability and flexibility.

Basic Information

Product Name	2-Propenoic Acid, 2-Methyl-, Polymer With 1,3-Butadiene, Ethenylbenzene, 2-Methyl-2-Propenamide And 2-Propenenitrile
CAS No.	32312-87-1
Molecular Formula	(C4H6·C3H3N·C8H8·C3H5NO·C4H6O2)x
Molecular Weight	Varies (Polymer)
Synonyms	Acrylic-Styrene-Acrylonitrile-Butadiene Copolymer; ASB Copolymer; Methacrylic Acid-Butadiene-Styrene-Acrylamide-Acrylonitrile Polymer; MBSA Copolymer; 2-Methyl-2-propenoic Acid Polymer with 1,3-Butadiene, Ethenylbenzene, 2-Methyl-2-propenamide and 2-Propenenitrile; Butadiene/Acrylonitrile/Styrene/Acrylic Copolymer; Multi-monomer Acrylic Copolymer
EINECS	Contact for details

Quality Control

Our production of this advanced copolymer adheres to strict quality management systems, ensuring batch-to-batch consistency for critical performance parameters like molecular weight distribution, glass transition temperature (Tg), and monomer residue levels. Quality is verified through a suite of analytical techniques including GPC, DSC, and FTIR. A comprehensive Certificate of Analysis (COA) detailing specific grade specifications is provided with every shipment.

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 heat sources and open flame. Ensure containers are kept sealed when not in use to prevent moisture absorption or contamination.

Specification

Item	Specification
Appearance	White to off-white powder, beads, or aqueous dispersion
Solid Content	40% - 50% (for dispersions) or >98% (for solids)
pH (for dispersions)	7.0 - 9.0
Viscosity	Grade dependent
Glass Transition Temperature (Tg)	Grade dependent
Residual Monomer	< 1000 ppm
Identification (IR)	Conforms to structure

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