Description

2-Propenoic Acid, 2-Methyl-, Polymer With Butyl 2-Methyl-2-Propenoate And Ethenylbenzene 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 methyl methacrylate, butyl methacrylate, and styrene. It is essential for manufacturers requiring durable, weather-resistant, and chemically stable materials in coatings, adhesives, and sealants. Our global supply ensures consistent quality and reliable availability for your production needs.

Application

• Industrial Coatings: A key binder in high-performance solvent-based and water-based coatings for automotive, appliance, and metal finishing, providing excellent gloss, hardness, and weatherability.
• Adhesives and Sealants: Used as a primary resin in construction adhesives, pressure-sensitive adhesives (PSAs), and industrial sealants, offering strong adhesion and flexibility.
• Plastics Modification: Acts as an impact modifier and processing aid for engineering thermoplastics, enhancing toughness and surface characteristics.
• Printing Inks: Serves as a vehicle resin for graphic arts and packaging inks, contributing to print quality, rub resistance, and fast drying times.
• Textile and Leather Finishes: Employed in coatings and binders to provide durable, flexible, and water-resistant finishes for fabrics and synthetic leather.
• Architectural Paints: A component in premium exterior paints and primers, delivering superior durability, UV resistance, and color retention.

Basic Information

Product Name	2-Propenoic Acid, 2-Methyl-, Polymer With Butyl 2-Methyl-2-Propenoate And Ethenylbenzene
CAS No.	25301-37-5
Molecular Formula	(C5H8O2.C8H14O2.C8H8)x
Molecular Weight	Varies by grade and composition
Synonyms	Methyl Methacrylate - Butyl Methacrylate - Styrene Terpolymer; MBS Terpolymer; Acrylic-Styrene Copolymer; Butyl Methacrylate/Methyl Methacrylate/Styrene Copolymer; Poly(methyl methacrylate-co-butyl methacrylate-co-styrene); MMA/BMA/St Terpolymer; Acrylic Modifier Resin; Terpolymer of Methyl Methacrylate, Butyl Methacrylate, and Styrene
EINECS	Contact for details

Quality Control

Our production of this acrylic terpolymer 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 solution viscosity are rigorously monitored. A comprehensive Certificate of Analysis (COA) is provided with each shipment, detailing specifications for your quality assurance. We support compliance with relevant global regulatory frameworks.

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. Ensure containers are kept sealed when not in use to prevent contamination and moisture absorption.

Specification

Item	Specification
Appearance	White to off-white beads or powder
Solid Content	≥ 98.0 %
Molecular Weight (Mw)	Grade Dependent
Glass Transition Temp (Tg)	Grade Dependent
Residual Monomer	< 0.5 % (by GC)
Volatile Content	< 2.0 %
Solution Viscosity	Grade Dependent

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