Description

2-Propenoic Acid, 2-Methyl-, Polymer With Ethyl 2-Methyl-2-Propenoate And Methyl 2-Propenoate is a high-performance, multi-component acrylic copolymer designed to deliver exceptional film-forming properties and durability. This material is engineered to provide a critical balance of hardness, flexibility, and chemical resistance for demanding industrial applications. It is essential for manufacturers in the coatings, adhesives, and specialty polymer industries seeking to enhance product performance and longevity.

Application

• Industrial Coatings: Used as a key binder in high-performance protective coatings for metal, wood, and plastic substrates, offering excellent weatherability and corrosion resistance.
• Adhesives and Sealants: Serves as a primary polymer component in pressure-sensitive adhesives (PSAs), construction sealants, and laminating adhesives, providing strong adhesion and cohesion.
• Printing Inks: Formulated into overprint varnishes and ink vehicles to improve gloss, rub resistance, and drying characteristics.
• Textile and Leather Finishes: Applied as a finishing agent to provide durable, flexible, and water-resistant coatings on fabrics and leather goods.
• Paper Coatings: Enhances the surface properties of paper and paperboard, improving printability, gloss, and barrier resistance.
• Plastic Modifiers: Utilized as an impact modifier or processing aid to improve the toughness and surface characteristics of engineering plastics.

Basic Information

Product Name	2-Propenoic Acid, 2-Methyl-, Polymer With Ethyl 2-Methyl-2-Propenoate And Methyl 2-Propenoate
CAS No.	65859-05-4
Molecular Formula	(C4H6O2.C5H8O2.C4H6O2)x
Molecular Weight	Varies (Polymer)
Synonyms	Acrylic Terpolymer; Methyl Methacrylate - Ethyl Methacrylate - Methacrylic Acid Terpolymer; MMA/EMA/MAA Terpolymer; Poly(methyl methacrylate-co-ethyl methacrylate-co-methacrylic acid); Methacrylic Acid Copolymer (Type C); Eudragit L100-55 (related pharmaceutical grade); Acrylic Resin; Methacrylate Copolymer
EINECS	Contact for details

Quality Control

Our acrylic copolymer is manufactured under a strict quality management system. Each batch undergoes rigorous testing for critical parameters including monomer residue, molecular weight distribution, acid value, and glass transition temperature (Tg). Certificates of Analysis (COA) detailing these specifications are provided with every shipment to ensure batch-to-batch consistency and compliance with agreed-upon specifications.

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 is typically stable for 24 months from the date of manufacture.

Specification

Item	Specification
Appearance	White to off-white powder or granules
Solid Content	≥ 98.0 %
Acid Value	280 - 320 mg KOH/g
Glass Transition Temperature (Tg)	Contact for details
Residual Monomers (by GC)	< 0.1 % (each)
Identification (IR)	Conforms
Viscosity (Solution)	Contact for details
Ash Content	< 0.1 %

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