Description

2-Propenoic Acid, 2-Methyl, 2-Hydroxyethyl Ester, Polymer With Ethenylbenzene And Methyl 2-Methyl-2-Propenoate is a high-performance, multi-component acrylic copolymer designed for demanding industrial applications. This specialized polymer offers a unique balance of properties derived from its constituent monomers, including hardness, adhesion, and chemical resistance. It is a critical raw material for formulators in the coatings, adhesives, and advanced materials sectors seeking to enhance product durability and performance. CAS No. 26588-79-4.

Application

• Industrial and Protective Coatings: Used as a key resin binder in high-performance coatings for metal, plastic, and wood substrates, providing excellent weather resistance, gloss, and adhesion.
• Adhesives and Sealants: Serves as a primary component in pressure-sensitive adhesives (PSAs), structural adhesives, and sealants, contributing to tack, cohesion, and bond strength.
• Printing Inks: Formulated into overprint varnishes and ink vehicles to improve rub resistance, gloss, and drying characteristics.
• Textile and Leather Finishes: Applied as a finishing agent to provide durable, flexible films that enhance the feel, appearance, and water resistance of fabrics and leather goods.
• Paper Coatings: Used in coatings to improve printability, smoothness, and barrier properties of paper and paperboard.
• Plastic Modifiers: Incorporated as an impact modifier or processing aid to enhance the mechanical properties and surface characteristics of thermoplastic compounds.

Basic Information

Product Name	2-Propenoic Acid, 2-Methyl, 2-Hydroxyethyl Ester, Polymer With Ethenylbenzene And Methyl 2-Methyl-2-Propenoate
CAS No.	26588-79-4
Molecular Formula	(C6H10O3·C8H8·C5H8O2)x
Molecular Weight	Polymer - varies by grade
Synonyms	Hydroxyethyl Methacrylate / Styrene / Methyl Methacrylate Copolymer; HEMA/Styrene/MMA Terpolymer; Acrylic Copolymer Resin; 2-Hydroxyethyl methacrylate copolymer with styrene and methyl methacrylate; Poly(HEMA-co-styrene-co-MMA); Terpolymer of HEMA, Styrene, and MMA; Light-sensitive (store away from light)
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. Key parameters such as molecular weight distribution, monomer residue, glass transition temperature (Tg), and solids content are rigorously monitored. A comprehensive Certificate of Analysis (COA) detailing specific test results is provided with each shipment to support your quality assurance protocols.

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 recommended storage conditions, the product is typically stable for 24 months from the date of manufacture. Refer to the specific product Safety Data Sheet (SDS) for detailed handling and storage information.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid or solid
Solids Content	40% - 99% (varies by grade)
Viscosity	Grade dependent (Solution or Melt)
Glass Transition Temp (Tg)	Grade dependent
Acid Value	≤ 5.0 mg KOH/g
Residual Monomer	≤ 0.5% (by GC)
Color (Gardner)	≤ 3
Identification (IR)	Conforms to standard

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