Description

Poly(Butyl Methacrylate-Co-Methyl Methacrylate) is a high-performance acrylic copolymer engineered to deliver a precise balance of flexibility, durability, and chemical resistance. This material is crucial for formulators seeking to enhance the mechanical properties and longevity of coatings, adhesives, and specialty polymers. It is primarily needed by manufacturers in the paints & coatings, adhesives & sealants, and advanced materials industries for applications demanding excellent weatherability and adhesion.

Application

• Automotive and Industrial Coatings: Used as a key film-forming agent to improve flexibility, impact resistance, and gloss retention in topcoats and primers.
• Adhesives and Sealants: Serves as a tackifier and binder, providing strong adhesion to diverse substrates and enhanced cohesive strength.
• Printing Inks: Imparts excellent rub resistance, gloss, and binding properties for high-quality packaging and publication inks.
• Leather and Textile Finishes: Acts as a durable, flexible coating to provide a protective layer with a soft hand feel and resistance to cracking.
• Construction Materials: Incorporated into caulks, joint compounds, and cement modifiers to improve flexibility, water resistance, and durability.
• Specialty Polymers and Modifiers: Utilized as an impact modifier or processing aid to tailor the properties of other polymer blends.

Basic Information

Product Name	Poly(Butyl Methacrylate-Co-Methyl Methacrylate)
CAS No.	26284-14-0
Molecular Formula	(C8H14O2.C5H8O2)x
Molecular Weight	Varies by monomer ratio and polymerization degree
Synonyms	Butyl Methacrylate Methyl Methacrylate Copolymer; Poly(BMA-co-MMA); Methacrylic Acid, Butyl Ester, Polymer with Methyl Methacrylate; Acrylic Copolymer Resin; 2-Propenoic Acid, 2-Methyl-, Butyl Ester, Polymer with Methyl 2-Methyl-2-propenoate; PBMA/PMMA Copolymer; MMA/BMA Copolymer; Acryloid® (various grades)
EINECS	Contact for details

Quality Control

Our Poly(Butyl Methacrylate-Co-Methyl Methacrylate) is manufactured under a strict quality management system. Each batch undergoes rigorous testing for critical parameters including monomer ratio, molecular weight distribution, viscosity, and glass transition temperature (Tg) to ensure batch-to-batch consistency and performance reliability. Certificates of Analysis (COA) documenting full specifications are available upon request.

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. Under these conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	Colorless to pale yellow pellets or solid
Identification (IR)	Conforms to structure
Monomer Ratio (BMA:MMA)	As per grade (e.g., 50:50, 70:30)
Solid Content	> 99.0%
Molecular Weight (Mw)	Grade-specific (e.g., 50,000 - 200,000 Da)
Glass Transition Temp (Tg)	Grade-specific (e.g., 20°C - 60°C)
Viscosity (Solution)	Grade-specific
Residual Monomer	< 0.5%

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