Description

2-Propenoic Acid, 2-Methyl-, Polymer With Ethenylbenzene And Ethyl 2-Propenoate is a high-performance, multi-component acrylic copolymer designed for demanding industrial applications. This terpolymer combines the durability of styrene (ethenylbenzene) with the film-forming and adhesive properties of methyl methacrylate and ethyl acrylate monomers. It is essential for formulators requiring a robust polymeric material that offers excellent weatherability, chemical resistance, and binding strength. Key industries that utilize this polymer include coatings, adhesives, construction materials, and specialty plastics.

Application

• Industrial and Architectural Coatings: As a primary binder or modifier in paints, primers, and varnishes to enhance durability, gloss, and adhesion to various substrates.
• Adhesives and Sealants: Used in the formulation of pressure-sensitive adhesives (PSAs), construction sealants, and laminating agents due to its strong cohesive and adhesive properties.
• Construction Materials: An additive in cementitious products, tile adhesives, and waterproofing membranes to improve flexibility, water resistance, and bond strength.
• Textile and Leather Finishing: Serves as a coating or finishing agent to provide scuff resistance, water repellency, and improved handle to fabrics and leather goods.
• Paper Coating: Enhances the surface strength, printability, and gloss of paper and paperboard products.
• Plastic Modifiers and Impact Improvers: Incorporated into thermoplastic compounds to modify impact resistance, processing characteristics, and surface properties.

Basic Information

Product Name	2-Propenoic Acid, 2-Methyl-, Polymer With Ethenylbenzene And Ethyl 2-Propenoate
CAS No.	25035-68-1
Molecular Formula	(C4H6O2·C8H8·C5H8O2)x
Molecular Weight	Varies (Polymer)
Synonyms	Styrene-Methyl Methacrylate-Ethyl Acrylate Terpolymer; Methyl Methacrylate/Styrene/Ethyl Acrylate Copolymer; MMA/St/EA Terpolymer; Acrylic-Styrene Copolymer; Poly(methyl methacrylate-co-styrene-co-ethyl acrylate); SMAE Terpolymer; Acrylic Modified Styrene Polymer
EINECS	Contact for details

Quality Control

Our 2-Propenoic Acid, 2-Methyl-, Polymer With Ethenylbenzene And Ethyl 2-Propenoate is manufactured under a strict quality management system. Each batch undergoes rigorous testing for critical parameters including monomer content, molecular weight distribution, viscosity, solids content, and glass transition temperature (Tg) to ensure consistent performance and batch-to-batch reliability. Certificates of Analysis (COA) documenting full specifications are available upon request.

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 the container is properly sealed to prevent moisture absorption or contamination.

Specification

Item	Specification
Appearance	White to off-white powder, beads, or aqueous dispersion
Solid Content	≥ 98.0% (Powder) or as per grade (Dispersion)
Viscosity	Grade dependent (Contact for details)
Glass Transition Temperature (Tg)	Grade dependent (Contact for details)
Residual Monomer	< 0.5% (Total)
Ash Content	< 0.5%
Moisture Content	< 1.0%

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