Description

2-Propenoic Acid, 2-Methyl-, Butyl Ester, Polymer With Ethenylbenzene And 2-Hydroxyethyl 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, including excellent film formation, adhesion, and chemical resistance, making it a critical raw material for advanced coating systems. It is primarily utilized by formulators in the paints & coatings, adhesives, and specialty chemical industries seeking to enhance product durability and performance.

Application

• Industrial and Protective Coatings: As a key binder or resin in high-performance paints for metal, wood, and plastic substrates, providing corrosion resistance and weatherability.
• Automotive Refinish and OEM Coatings: Used in primer, basecoat, and clearcoat formulations to achieve superior gloss, color retention, and scratch resistance.
• Adhesives and Sealants: Serves as a primary polymer component in pressure-sensitive adhesives (PSAs), construction sealants, and industrial bonding agents.
• Printing Inks: Incorporated into overprint varnishes and specialty ink formulations to improve gloss, rub resistance, and drying characteristics.
• Textile and Leather Finishes: Applied as a coating or finishing agent to provide water repellency, softness, and durability to fabrics and leather goods.
• Plastic Additives: Used as a processing aid or impact modifier to enhance the surface properties and mechanical performance of engineered plastics.

Basic Information

Product Name	2-Propenoic Acid, 2-Methyl-, Butyl Ester, Polymer With Ethenylbenzene And 2-Hydroxyethyl 2-Methyl-2-Propenoate
CAS No.	31423-16-2
Molecular Formula	(C8H14O2.C8H8.C6H10O3)x
Molecular Weight	Polymer - varies by grade
Synonyms	Butyl Methacrylate / Styrene / 2-Hydroxyethyl Methacrylate Copolymer; BMA/St/HEMA Terpolymer; Acrylic Copolymer Resin; Methacrylic Acid, Butyl Ester, Polymer with Ethenylbenzene and 2-Hydroxyethyl Ester; Butyl Methacrylate-Styrene-Hydroxyethyl Methacrylate Terpolymer; Acrylic Polyol (in certain grades); Thermosetting Acrylic Resin; BMA/ST/HEMA
EINECS	Contact for details

Quality Control

Our production of this acrylic copolymer adheres to strict quality management systems, ensuring batch-to-batch consistency and performance reliability. Key parameters such as solids content, viscosity, acid value, and glass transition temperature (Tg) 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 temperatures between 15°C and 25°C (59°F and 77°F). Keep away from heat sources and open flame. Under recommended storage conditions, the product is typically stable for 12-24 months from the date of manufacture. Always refer to the specific product label or safety data sheet for detailed handling and storage instructions.

Specification

Item	Specification
Appearance	Clear to slightly hazy viscous liquid
Solids Content	60 - 75 %
Viscosity (at 25°C)	1000 - 5000 mPa·s
Acid Value	5 - 15 mg KOH/g
Color (Gardner)	≤ 2
Glass Transition Temp (Tg)	40 - 60 °C
Solvent	Xylene / Butyl Acetate / Solvent Naphtha

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