Description

2-Propenoic Acid, 2-Methyl-, Polymer With 2-Methylpropyl 2-Methyl-2-Propenoate is a high-performance copolymer of methyl methacrylate and isobutyl methacrylate. This material is engineered to deliver exceptional clarity, weatherability, and chemical resistance, making it a critical component in advanced coating and adhesive formulations. It is essential for manufacturers in the paints & coatings, specialty adhesives, and industrial plastics sectors seeking to enhance product durability and performance.

Application

• Automotive Coatings: Used as a key resin in clear coats and basecoats for superior gloss retention, scratch resistance, and long-term exterior durability.
• Industrial Maintenance Paints: Formulated into protective coatings for metal structures, machinery, and equipment to resist corrosion, chemicals, and UV degradation.
• Plastic Additives & Modifiers: Acts as a processing aid and impact modifier to improve the surface finish and mechanical properties of engineering plastics.
• Adhesives and Sealants: Serves as a film-forming agent in high-performance acrylic-based adhesives, providing strong bonding and flexibility.
• Printing Inks: Incorporated into ink formulations to enhance adhesion to various substrates and improve rub resistance.
• Architectural Coatings: Used in premium exterior paints and stains to provide excellent water resistance and color stability.

Basic Information

Product Name	2-Propenoic Acid, 2-Methyl-, Polymer With 2-Methylpropyl 2-Methyl-2-Propenoate
CAS No.	37916-03-3
Molecular Formula	(C5H8O2.C5H8O2)x
Molecular Weight	Varies (Polymer)
Synonyms	Methyl Methacrylate / Isobutyl Methacrylate Copolymer; MMA/IBMA Copolymer; Poly(methyl methacrylate-co-isobutyl methacrylate); Methacrylic Acid, Methyl Ester, Polymer with 2-Methylpropyl 2-Methyl-2-propenoate; Isobutyl Methacrylate Methyl Methacrylate Copolymer; Acrylic Copolymer Resin; PMMA-co-PiBMA; CAS 37916-03-3
EINECS	Contact for details

Quality Control

Our production of this acrylic copolymer adheres to strict quality management systems. Every batch is characterized for critical parameters including molecular weight distribution, monomer residue, glass transition temperature (Tg), and solution viscosity to ensure consistent performance in your formulations. Comprehensive Certificates of Analysis (COA) documenting these specifications are provided with each shipment.

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 an extended shelf life.

Specification

Item	Specification
Appearance	Colorless to light yellow pellets or solid
Identification (IR)	Conforms to structure
Assay (as copolymer)	> 98.0%
Residual Monomer (GC)	< 0.5%
Glass Transition Temp (DSC)	60 - 90 °C (Grade dependent)
Molecular Weight (GPC)	Mw: 50,000 - 200,000 g/mol
Viscosity (Solution)	Specified per grade
Moisture Content (KF)	< 1.0%

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