Description

Poly(n-Butyl Methacrylate) is a high-molecular-weight synthetic polymer derived from the esterification of methacrylic acid. This versatile polymer is valued for its excellent film-forming properties, flexibility, and resistance to weathering and hydrolysis. It is a critical raw material for formulators and manufacturers in the coatings, adhesives, and specialty plastics industries seeking to enhance product durability and performance.

Application

• Coatings and Paints: Used as a primary film-forming agent in automotive, industrial, and architectural coatings to provide flexibility, gloss, and UV resistance.
• Adhesives and Sealants: Serves as a key component in pressure-sensitive adhesives (PSAs) and construction sealants, offering strong bonding and elasticity.
• Printing Inks: Incorporated into formulations for improved adhesion, rub resistance, and gloss on various substrates.
• Plastic Modifiers: Acts as an impact modifier and processing aid to enhance the toughness and workability of rigid polymers like PVC and acrylics.
• Leather and Textile Finishes: Applied in finishing agents to provide a durable, flexible, and water-resistant surface coating.
• Specialty Additives: Utilized as a rheology modifier or thickening agent in personal care products and industrial formulations.

Basic Information

Product Name	Poly(n-Butyl Methacrylate)
CAS No.	9003-63-8
Molecular Formula	(C8H14O2)n
Molecular Weight	Varies (Polymer)
Synonyms	Poly(butyl methacrylate); PBMA; n-Butyl Methacrylate Polymer; Butyl Methacrylate Homopolymer; 2-Methyl-2-propenoic Acid Butyl Ester Homopolymer; Acrylic Resin; Butyl Polymethacrylate; Plexigum; Degalan
EINECS	618-832-6

Quality Control

Our Poly(n-Butyl Methacrylate) is manufactured under a strict quality management system. Each batch undergoes rigorous testing for key parameters including molecular weight distribution, viscosity, glass transition temperature (Tg), and residual monomer content to ensure consistent performance and batch-to-batch uniformity. Certificates of Analysis (COA) detailing all 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 has a long shelf life.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow pellets or solid
Assay (Polymer Content)	> 99.0 %
Residual Monomer (n-BMA)	< 0.5 %
Molecular Weight (Mw)	50,000 - 500,000 g/mol (Typical)
Glass Transition Temperature (Tg)	20 - 30 °C
Viscosity (Solution, 25°C)	Specified per grade
Acid Value	< 1.0 mg KOH/g

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