Description

2-Propenoic Acid, 2-Methyl-, Polymer With Butyl 2-Propenoate, Ethenylbenzene And 2-Propenenitrile is a specialized acrylic-based copolymer designed to deliver a balanced profile of durability, adhesion, and chemical resistance. This material matters for formulators seeking to enhance the performance and longevity of industrial coatings and adhesives under demanding conditions. It is primarily needed by manufacturers in the paints & coatings, construction materials, and specialty adhesive industries, where its polymer architecture provides critical film-forming and protective properties.

Application

• Industrial and Architectural Coatings: Used as a key binder in water-based or solvent-based paints to provide excellent weatherability, gloss retention, and resistance to dirt pickup.
• Protective and Marine Coatings: Imparts corrosion resistance and durability to metal substrates in harsh environments, including marine and chemical processing facilities.
• Adhesives and Sealants: Serves as a primary polymer in construction adhesives, pressure-sensitive adhesives (PSAs), and caulks, offering strong bonding and flexibility.
• Textile and Leather Finishes: Applied as a coating or binder to provide water repellency, abrasion resistance, and improved hand feel to fabrics and leather goods.
• Paper and Packaging Coatings: Enhances the surface strength, printability, and moisture resistance of paperboard and packaging materials.
• Plastic Modifiers and Additives: Used to modify the impact strength, processing characteristics, and surface properties of various thermoplastic compounds.

Basic Information

Product Name	2-Propenoic Acid, 2-Methyl-, Polymer With Butyl 2-Propenoate, Ethenylbenzene And 2-Propenenitrile
CAS No.	29129-78-0
Molecular Formula	(C4H6O2.C4H8O2.C8H8.C3H3N)x
Molecular Weight	Varies (Polymer)
Synonyms	Acrylic Copolymer; Methyl Methacrylate / Butyl Acrylate / Styrene / Acrylonitrile Copolymer; MBSA Copolymer; Butyl acrylate-styrene-acrylonitrile-methyl methacrylate polymer; Acrylic-styrene-acrylonitrile copolymer; ASA/MMA copolymer; Terpolymer of butyl acrylate, styrene, acrylonitrile, and methyl methacrylate; 2-Methyl-2-propenoic acid polymer with butyl 2-propenoate, ethenylbenzene and 2-propenenitrile
EINECS	Contact for details

Quality Control

Our acrylic copolymer products undergo rigorous quality testing to ensure batch-to-batch consistency and compliance with industry standards. Key parameters such as solid content, viscosity, glass transition temperature (Tg), and mechanical properties are strictly monitored. Certificates of Analysis (COA) documenting these 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 room temperature (15-25°C). Keep away from heat sources and open flame. For long-term storage, ensure containers are sealed to prevent moisture absorption or solvent evaporation.

Specification

Item	Specification
Appearance	Clear to translucent solution or solid beads
Solid Content	40 - 50 % (or as specified)
Viscosity (Brookfield)	500 - 5000 cps (varies by grade)
pH Value	7.0 - 9.0
Glass Transition Temperature (Tg)	20 - 50 °C
Minimum Film Forming Temperature (MFFT)	≤ 10 °C
Identification (IR)	Complies

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