Description

2-Propenoic Acid, 2-Methyl-, Butyl Ester, Polymer With Ethenylbenzene And 2-Ethylhexyl 2-Propenoate is a high-performance acrylic copolymer designed to deliver exceptional durability and versatility in demanding industrial formulations. This polymer is engineered to provide a critical balance of flexibility, adhesion, and chemical resistance, making it a foundational component for advanced coatings and adhesives. It is essential for manufacturers in the paints & coatings, pressure-sensitive adhesives, and specialty sealants industries seeking to enhance product performance and longevity.

Application

• Architectural and Industrial Coatings: Used as a key binder in exterior paints, metal coatings, and wood finishes for enhanced weatherability, gloss retention, and corrosion protection.
• Pressure-Sensitive Adhesives (PSAs): Serves as a primary polymer for labels, tapes, and graphic films, offering a tunable balance of tack, peel adhesion, and shear strength.
• Industrial Sealants and Caulks: Provides flexibility and adhesion in formulations for construction and automotive sealing applications.
• Textile and Leather Finishes: Imparts durable, flexible, and water-resistant coatings to fabrics and synthetic leather.
• Printing Inks: Used in overprint varnishes and ink vehicles to improve gloss, rub resistance, and substrate adhesion.
• Plastic Modifiers: Acts as an impact modifier or processing aid to enhance the properties of rigid plastic compounds.

Basic Information

Product Name	2-Propenoic Acid, 2-Methyl-, Butyl Ester, Polymer With Ethenylbenzene And 2-Ethylhexyl 2-Propenoate
CAS No.	26655-10-7
Molecular Formula	(C7H12O2.C4H8O2.C8H8)x
Molecular Weight	Varies (Polymer)
Synonyms	Butyl Methacrylate / Styrene / 2-Ethylhexyl Acrylate Copolymer; Acrylic Copolymer Resin; Poly(butyl methacrylate-co-styrene-co-2-ethylhexyl acrylate); BMA/St/EHA Terpolymer; Acrylic Styrene Copolymer; 2-Propenoic acid, 2-methyl-, butyl ester, polymer with ethenylbenzene and 2-ethylhexyl 2-propenoate; Butyl methacrylate-styrene-2-ethylhexyl acrylate polymer
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 viscosity are rigorously monitored. A comprehensive Certificate of Analysis (COA) detailing all relevant specifications 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, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and open flame. Under recommended storage conditions, the product is stable for at least 24 months from the date of manufacture.

Specification

Item	Specification
Appearance	Clear to hazy viscous liquid or solid
Solid Content	40% - 60% (or as specified)
Viscosity (Brookfield)	500 - 5000 cps (solution, 25°C)
Glass Transition Temp (Tg)	-10°C to +50°C (adjustable)
Acid Value	< 5 mg KOH/g
Residual Monomer	< 0.5% (by GC)
Color (Gardner)	< 3
Solvent (Typical)	Toluene, Ethyl Acetate, MEK (or as specified)

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