Description

Poly(Ethylene-Co-Methyl Acrylate-Co-Acrylic Acid), 18 Wt. % Me Acrylate is a specialized terpolymer resin engineered to provide a unique balance of flexibility, adhesion, and chemical resistance. This material is valued for its ability to modify the properties of base polymers and enhance the performance of coatings and adhesives. It is a critical component for formulators and compounders in the packaging, automotive, and wire & cable industries seeking to improve product durability and functionality.

Application

• Polymer Modification & Compatibilization: Acts as a toughening agent and impact modifier for engineering plastics like polyamides (PA) and polyesters (PET, PBT).
• Adhesive Formulations: Serves as a key resin in hot-melt and pressure-sensitive adhesives (PSAs) for excellent adhesion to diverse substrates, including metals and treated polyolefins.
• Coating Additives: Used in primers and functional coatings to improve flexibility, adhesion to low-surface-energy plastics, and corrosion resistance.
• Wire & Cable Jacketing: Imparts flexibility, stress-crack resistance, and weatherability to insulation and sheathing compounds.
• Packaging Films: Employed as a sealant or tie-layer resin in multi-layer films for food and industrial packaging due to its good seal strength and compatibility.
• Automotive Components: Used in under-the-hood parts, interior trim, and gaskets where a combination of heat resistance, oil resistance, and flexibility is required.

Basic Information

Product Name	Poly(Ethylene-Co-Methyl Acrylate-Co-Acrylic Acid), 18 Wt. % Me Acrylate
CAS No.	41525-41-1
Molecular Formula	(C2H4)x(C4H6O2)y(C3H4O2)z
Molecular Weight	Varies (Polymer)
Synonyms	Ethylene/Methyl Acrylate/Acrylic Acid Terpolymer; EMA-AA Terpolymer; Poly(ethylene-co-methyl acrylate-co-acrylic acid); Ethylene Methyl Acrylate Acrylic Acid Polymer; EMAAA; Acid-Modified EMA; Lotader® (similar commercial grade series); Bynel® (similar commercial grade series); Admer® (similar commercial grade series)
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards and batch-to-batch consistency. Key parameters such as methyl acrylate content, acid number, melt flow index (MFI), and thermal stability are strictly monitored. Certificates of Analysis (COA) detailing the specific lot results are available upon request. Our manufacturing processes adhere to ISO 9001 quality management systems.

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 / 59-77°F). Keep away from heat sources, open flames, and strong oxidizing agents. For long-term storage, consider using a nitrogen blanket to minimize oxidative degradation.

Specification

Item	Specification
Appearance	White to off-white pellets or granules
Methyl Acrylate Content	18 wt.% (Typical)
Acid Number	Contact for details
Melt Flow Index (MFI)	Contact for details
Density	Contact for details
Melting Point (DSC)	Contact for details
Volatile Content	< 0.5%

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