Description

Poly(Ethyl Methacrylate-Co-Methyl Methacrylate) is a high-performance acrylic copolymer engineered for superior durability and optical clarity. This material is valued for its excellent balance of mechanical properties, chemical resistance, and ease of processing, making it a versatile solution for demanding industrial applications. It is primarily sought by manufacturers in the coatings, adhesives, and specialty plastics sectors who require reliable, high-quality polymer resins.

Application

• Industrial and Automotive Coatings: Used as a binder in high-performance paints and clear coats for metal and plastic substrates, providing excellent gloss, weather resistance, and durability.
• Adhesives and Sealants: Serves as a key component in pressure-sensitive adhesives (PSAs) and structural sealants, offering strong bonding strength and flexibility.
• Plastic Modifiers and Impact Improvers: Incorporated into other polymer matrices, such as PVC or engineering plastics, to enhance impact resistance, processability, and surface finish.
• Printing Inks and Overprint Varnishes: Utilized in formulations for inks and varnishes to improve adhesion, rub resistance, and gloss on various printed materials.
• Optical Components and Displays: Employed in the production of light guides, diffusers, and other optical elements due to its good light transmission properties.
• Leather and Textile Finishing: Acts as a finishing agent to provide a protective, glossy, and flexible coating on leather goods and synthetic textiles.

Basic Information

Product Name	Poly(Ethyl Methacrylate-Co-Methyl Methacrylate)
CAS No.	25685-29-4
Molecular Formula	(C6H10O2)x(C5H8O2)y
Molecular Weight	Varies (Copolymer)
Synonyms	Ethyl Methacrylate Methyl Methacrylate Copolymer; EMA-MMA Copolymer; Poly(EMA-co-MMA); Acrylic Copolymer Resin; Methacrylate Copolymer; 2-Propenoic acid, 2-methyl-, methyl ester, polymer with ethyl 2-methyl-2-propenoate; Methyl methacrylate-ethyl methacrylate polymer; Acrylate copolymer
EINECS	Contact for details

Quality Control

Our Poly(Ethyl Methacrylate-Co-Methyl Methacrylate) is manufactured under a strict quality management system. Each batch undergoes rigorous testing for key parameters including monomer content, molecular weight distribution, viscosity, and glass transition temperature (Tg) to ensure batch-to-batch consistency and performance. Certificates of Analysis (COA) detailing 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. Under these conditions, the product has a typical shelf life of 24 months from the date of manufacture.

Specification

Item	Specification
Appearance	Colorless to slightly yellow pellets or granules
Solid Content	> 99.0 %
Residual Monomer (Total)	< 0.5 %
Glass Transition Temperature (Tg)	60 - 90 °C (Dependent on monomer ratio)
Viscosity (Solution, 25°C)	Specification available upon request
Molecular Weight (Mw)	50,000 - 200,000 g/mol (Typical)

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