Description

Styrene/ Butyl Acrylate/ 2-Ethylhexyl-Methyl Methacrylate is a specialized terpolymer resin designed to deliver a balanced profile of durability, flexibility, and adhesion. This compound is engineered to provide superior performance in demanding coating and adhesive formulations where a single monomer system is insufficient. It is an essential raw material for manufacturers in the paints & coatings, pressure-sensitive adhesives, and industrial sealants sectors seeking to enhance product resilience and application properties.

Application

• Architectural and Industrial Paints & Coatings: Used as a film-forming agent to improve weatherability, gloss retention, and flexibility in exterior and interior coatings.
• Pressure-Sensitive Adhesives (PSAs): Serves as a key polymer backbone for labels, tapes, and graphic films, offering excellent tack and peel strength.
• Industrial Sealants and Caulks: Provides enhanced adhesion to diverse substrates and long-term elasticity in construction and automotive sealants.
• Textile and Leather Finishes: Imparts durable, flexible, and water-resistant coatings for fabric and leather treatment applications.
• Paper and Packaging Coatings: Used to create high-gloss, scuff-resistant, and barrier-protective layers for paperboard and packaging materials.
• Printing Inks: Acts as a resin component to improve ink adhesion, rub resistance, and drying characteristics on various surfaces.

Basic Information

Product Name	Styrene/ Butyl Acrylate/ 2-Ethylhexyl-Methyl Methacrylate
CAS No.	58969-69-0
Molecular Formula	(C8H8)x·(C7H12O2)y·(C13H24O2)z
Molecular Weight	Varies by monomer ratio
Synonyms	Styrene Butyl Acrylate 2-Ethylhexyl Methacrylate Methyl Methacrylate Terpolymer; Acrylic-Styrene-Acrylate (ASA) Terpolymer; SBA-EHMA-MMA Terpolymer; 2-Propenoic acid, 2-methyl-, 2-ethylhexyl ester, polymer with butyl 2-propenoate and ethenylbenzene; Butyl acrylate-styrene-2-ethylhexyl methacrylate-methyl methacrylate polymer; Acrylic modified styrene acrylate resin; ASA resin (acrylic-styrene-acrylate)
EINECS	Contact for details

Quality Control

Our Styrene/ Butyl Acrylate/ 2-Ethylhexyl-Methyl Methacrylate is manufactured under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure consistent monomer ratio, molecular weight distribution, viscosity, and glass transition temperature (Tg) meet precise specifications. Certificates of Analysis (COA) detailing purity and performance parameters are available upon request 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 flames. For long-term storage, consider using under an inert atmosphere to prevent potential oxidation or skin formation.

Specification

Item	Specification
Appearance	Clear to translucent pellets or solid
Solid Content	> 99.0%
Glass Transition Temperature (Tg)	Customizable (-10°C to +50°C)
Acid Value	< 1.0 mg KOH/g
Viscosity (Solution, 25°C)	Customer specified
Residual Monomer	< 0.5% (by GC)
Color (Gardner)	< 2

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