Description

2-Propenoic Acid, Polymer With Ethenylbenzene And Ethyl 2-Propenoate is a high-performance acrylic copolymer designed for demanding industrial applications. This terpolymer combines the beneficial properties of its constituent monomers to offer excellent film formation, adhesion, and chemical resistance. It is a critical raw material for formulators in the coatings, adhesives, and specialty chemical industries seeking to enhance product durability and performance.

Application

• Industrial and Protective Coatings: Used as a key binder in solvent-based and high-solids coatings for metal, wood, and plastic substrates, providing corrosion resistance and weatherability.
• Adhesives and Sealants: Serves as a primary polymer in pressure-sensitive adhesives (PSAs), construction sealants, and laminating adhesives, offering strong bonding and flexibility.
• Printing Inks: Incorporated into formulations for overprint varnishes and specialty inks to improve gloss, rub resistance, and drying characteristics.
• Textile and Leather Finishes: Acts as a finishing agent to provide water repellency, soft hand feel, and durability to fabrics and leather goods.
• Paper Coatings: Enhances the surface strength, printability, and barrier properties of paper and paperboard.
• Plastic Modifiers: Utilized as an impact modifier or processing aid to improve the mechanical properties and surface characteristics of various plastic compounds.

Basic Information

Product Name	2-Propenoic Acid, Polymer With Ethenylbenzene And Ethyl 2-Propenoate
CAS No.	25585-77-7
Molecular Formula	(C₃H₄O₂·C₈H₈·C₅H₈O₂)ₓ
Molecular Weight	Varies (Polymer)
Synonyms	Acrylic Acid-Styrene-Ethyl Acrylate Terpolymer; Styrene/Acrylic Acid/Ethyl Acrylate Polymer; Ethyl Acrylate Styrene Acrylic Acid Copolymer; Acrylic Terpolymer; ASA Polymer; CAS 25585-77-7; Poly(acrylic acid-co-styrene-co-ethyl acrylate)
EINECS	Contact for details

Quality Control

Our production of 2-Propenoic Acid, Polymer With Ethenylbenzene And Ethyl 2-Propenoate adheres to stringent quality management protocols. Each batch is characterized for critical parameters including molecular weight distribution, acid value, glass transition temperature (Tg), and residual monomer content to ensure batch-to-batch consistency and performance reliability. Certificates of Analysis (COA) documenting these 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, consider under an inert atmosphere to prevent oxidation.

Specification

Item	Specification
Appearance	Colorless to pale yellow solid / pellets / solution
Solid Content	≥ 98.0% (or as per solution grade)
Acid Value	50 - 120 mg KOH/g
Glass Transition Temperature (Tg)	20 - 60 °C
Weight Average Molecular Weight (Mw)	10,000 - 100,000 g/mol
Residual Monomer	< 0.5%
Identification (IR)	Conforms

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