Description

2-Propenoic Acid, 2-Methyl-, Butyl Ester, Polymer With Ethenylbenzene, Methyl 2-Methyl-2-Propenoate And Oxiranylmethyl 2-Methyl-2-Propenoate is a specialized multi-component acrylic copolymer designed to deliver a unique balance of properties for high-performance industrial applications. This polymer's value lies in its tailored composition, which combines the durability and adhesion of styrene (ethenylbenzene), the flexibility and weatherability of butyl and methyl methacrylate units, and the crosslinking potential of glycidyl methacrylate (oxiranylmethyl 2-methyl-2-propenoate). It is primarily needed by manufacturers in the coatings, adhesives, and advanced materials sectors seeking to enhance product durability, chemical resistance, and adhesion to challenging substrates.

Application

• High-Performance Industrial Coatings: Used as a key resin in formulations for metal coatings, automotive primers, and coil coatings, providing excellent adhesion, corrosion resistance, and weatherability.
• Adhesives and Sealants: Serves as a base polymer for structural adhesives, pressure-sensitive adhesives (PSAs), and construction sealants, offering strong bonding strength and flexibility.
• Can and Container Coatings: Employed in interior linings for food and beverage containers due to its potential for formulating coatings with good barrier properties and compliance characteristics.
• Plastic Modifiers and Compatibilizers: Acts as an impact modifier or compatibilizer in polymer blends and composites to improve mechanical properties and processing.
• UV-Curable Systems: The glycidyl methacrylate component allows for further functionalization, making it suitable for use in radiation-curable coatings and inks.
• Textile and Leather Finishes: Used in binders and finishing agents to provide durable, water-resistant, and flexible coatings on fabrics and leather.

Basic Information

Product Name	2-Propenoic Acid, 2-Methyl-, Butyl Ester, Polymer With Ethenylbenzene, Methyl 2-Methyl-2-Propenoate And Oxiranylmethyl 2-Methyl-2-Propenoate
CAS No.	55567-80-1
Molecular Formula	(C8H14O2.C5H8O2.C4H6O2.C8H8)x
Molecular Weight	Varies (Polymer)
Synonyms	Butyl methacrylate-styrene-methyl methacrylate-glycidyl methacrylate copolymer; BMA/St/MMA/GMA copolymer; Glycidyl methacrylate-methyl methacrylate-butyl methacrylate-styrene polymer; Acrylic copolymer, 4-component; Methacrylic acid, butyl ester, polymer with ethenylbenzene, methyl methacrylate and oxiranylmethyl methacrylate; 2-Methyl-2-propenoic acid butyl ester polymer with ethenylbenzene, methyl 2-methyl-2-propenoate and oxiranylmethyl 2-methyl-2-propenoate
EINECS	Contact for details

Quality Control

Our production of this specialty acrylic copolymer adheres to strict quality management systems. Each batch is characterized for critical parameters including monomer composition, molecular weight distribution, glass transition temperature (Tg), viscosity, and epoxy equivalent weight (where applicable) to ensure batch-to-batch consistency. Certificates of Analysis (COA) detailing these specifications are provided and available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). Keep away from heat sources and open flame. For long-term storage, an inert atmosphere (e.g., nitrogen) is recommended to prevent oxidation or moisture absorption, which could affect the polymer's reactivity and performance.

Specification

Item	Specification
Appearance	Colorless to pale yellow pellets or solid
Solid Content	≥ 98.0 %
Glass Transition Temperature (Tg)	40 - 70 °C (Dependent on grade)
Viscosity (Solution, 25°C)	Specified per grade
Epoxy Equivalent Weight (EEW)	Specified per grade
Residual Monomers	< 0.5 % (by GC)
Moisture Content	< 0.5 % (by KF Titration)

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