Description

2-Propenoic Acid, 2-Methyl-, Polymer With Ethenylbenzene, Ethyl 2-Propenoate And Methyl 2-Methyl-2-Propenoate is a high-performance, multi-component acrylic copolymer designed for demanding industrial applications. This polymer offers a unique balance of properties derived from its constituent monomers, including 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 or high-solid coatings for metal, wood, and plastic substrates, providing excellent weather resistance and hardness.
• Adhesives and Sealants: Serves as a primary polymer in pressure-sensitive adhesives (PSAs), construction sealants, and laminating adhesives, offering strong tack and cohesive strength.
• Printing Inks: Acts as a resin component in flexographic and gravure inks, contributing to gloss, pigment wetting, and substrate adhesion.
• Textile and Leather Finishes: Employed in coatings and finishes to impart water repellency, abrasion resistance, and a desired hand feel.
• Automotive Refinish: A valuable component in automotive repair paints and clear coats due to its durability and compatibility with other coating systems.
• Plastic Modifiers: Used as an impact modifier or processing aid to enhance the mechanical properties of various thermoplastic compounds.

Basic Information

Product Name	2-Propenoic Acid, 2-Methyl-, Polymer With Ethenylbenzene, Ethyl 2-Propenoate And Methyl 2-Methyl-2-Propenoate
CAS No.	28263-96-9
Molecular Formula	(C4H6O2.C5H8O2.C8H8.C3H4O2)x
Molecular Weight	Polymer - varies by grade
Synonyms	Acrylic polymer; Methacrylic acid polymer with styrene, ethyl acrylate, and methyl methacrylate; Styrene/Acrylate Copolymer; Acrylic copolymer resin; Methacrylate copolymer; MMA/EA/St/MA copolymer; Tetrapolymer of methyl methacrylate, ethyl acrylate, styrene, and methacrylic acid; Acrylic tetrapolymer
EINECS	Contact for details

Quality Control

Our production of this acrylic copolymer adheres to strict quality management systems to ensure batch-to-batch consistency and performance reliability. Each lot is characterized for critical parameters including molecular weight distribution, glass transition temperature (Tg), solids content, and viscosity. Certificates of Analysis (COA) documenting these specifications are available for every shipment. We support compliance with global regulatory frameworks such as REACH.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, 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. For specific shelf-life information, refer to the product label or technical data sheet.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid or solid
Solids Content	40 - 99% (varies by grade)
Viscosity (Brookfield)	500 - 50,000 cps (solution grade)
Acid Value	10 - 100 mg KOH/g
Glass Transition Temp (Tg)	20 - 80 °C
Molecular Weight (Mw)	50,000 - 200,000 g/mol
Residual Monomer	< 0.5%

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