Description

Poly(Methyl Methacrylate-Co-Butyl Methacrylate) is a high-performance acrylic copolymer engineered to offer a superior balance of properties compared to its homopolymer counterparts. This material is valued for its excellent optical clarity, robust weatherability, and enhanced flexibility, making it a versatile solution for demanding applications. It is a critical raw material for manufacturers in the coatings, adhesives, and specialty plastics industries seeking to improve product durability and performance.

Application

• Automotive Coatings and Finishes: Used in clear coats and pigmented systems to provide exceptional gloss retention, scratch resistance, and long-term durability against UV exposure and environmental elements.
• Industrial and Protective Coatings: Serves as a key resin in coatings for metal, plastic, and wood substrates, offering chemical resistance and enhanced mechanical properties.
• Pressure-Sensitive Adhesives (PSAs): Acts as a primary component in adhesive formulations, contributing to tunable tack, peel strength, and cohesion for labels, tapes, and graphic films.
• Inks and Overprint Varnishes: Imparts high gloss, rub resistance, and flexibility in printing inks and protective varnishes for packaging and publications.
• Plastic Modifiers and Impact Improvers: Utilized as an additive or modifier to enhance the impact strength, processability, and surface characteristics of other polymer systems.
• Optical Films and Light Guides: Employed in the production of films for displays and lighting applications due to its inherent clarity and light transmission properties.

Basic Information

Product Name	Poly(Methyl Methacrylate-Co-Butyl Methacrylate)
CAS No.	25608-33-7
Molecular Formula	(C₅H₈O₂)ₓ.(C₈H₁₄O₂)ᵧ
Molecular Weight	Varies by monomer ratio
Synonyms	P(MMA-co-BMA); Methyl Methacrylate Butyl Methacrylate Copolymer; Acrylic Copolymer Resin; MMA/BMA Copolymer; Poly(MMA-co-BMA); Butyl Methacrylate Methyl Methacrylate Polymer; PMMA-co-PBMA; Acrylic Impact Modifier
EINECS	Contact for details

Quality Control

Our Poly(Methyl Methacrylate-Co-Butyl Methacrylate) is manufactured under a strict quality management system. Each batch is tested against rigorous in-house specifications to ensure consistent performance in key parameters such as molecular weight distribution, monomer ratio, glass transition temperature (Tg), and solution viscosity. A Certificate of Analysis (COA) detailing these results is provided with every shipment to guarantee traceability and compliance with your formulation requirements.

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	Clear pellets or powder
Solid Content	≥ 99.0 %
Glass Transition Temperature (Tg)	30 - 70 °C (Grade dependent)
Molecular Weight (Mw)	50,000 - 200,000 g/mol (Grade dependent)
Methyl Methacrylate Content	40 - 80 % (Grade dependent)
Residual Monomer	< 0.5 %
Color (APHA)	< 50
Moisture Content	< 0.5 %

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