Description

2-Propenoic Acid, 2-Methyl-, 2-Methylpropyl Ester, Polymer With Ethenylbenzene is a high-performance copolymer designed for demanding industrial applications. This material combines the durability and chemical resistance of styrene with the versatility and adhesion properties of an acrylate monomer. It is essential for formulators and manufacturers seeking to enhance the performance characteristics of coatings, adhesives, and sealants. Key industries that rely on this polymer include paints and coatings, construction materials, and specialty adhesives.

Application

• Architectural and Industrial Coatings: Used as a binder or modifier to improve film formation, weather resistance, and adhesion to various substrates.
• Adhesives and Sealants: Serves as a key polymer component to provide strong bonding, flexibility, and durability in pressure-sensitive and structural adhesive formulations.
• Printing Inks: Enhances the gloss, rub resistance, and binding properties of inks for packaging and publications.
• Caulks and Putties: Imparts excellent flexibility, water resistance, and longevity to construction and automotive sealants.
• Textile and Leather Finishes: Applied as a coating to provide a protective, durable, and flexible finish on fabrics and leather goods.
• Paper Coatings: Used to improve the surface gloss, printability, and water resistance of high-quality paper products.

Basic Information

Product Name	2-Propenoic Acid, 2-Methyl-, 2-Methylpropyl Ester, Polymer With Ethenylbenzene
CAS No.	25667-93-0
Molecular Formula	(C8H12O2·C8H8)x
Molecular Weight	Varies (Polymer)
Synonyms	Isobutyl Methacrylate Styrene Copolymer; Styrene/Isobutyl Methacrylate Copolymer; Poly(styrene-co-isobutyl methacrylate); Isobutyl Methacrylate-Styrene Resin; IBMA/Styrene Copolymer; 2-Methylpropyl 2-methylprop-2-enoate polymer with ethenylbenzene; Acrylic-styrene copolymer (related class)
EINECS	Contact for details

Quality Control

Our production of 2-Propenoic Acid, 2-Methyl-, 2-Methylpropyl Ester, Polymer With Ethenylbenzene adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. We employ advanced analytical techniques to monitor key parameters such as molecular weight distribution, monomer content, and glass transition temperature (Tg). A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and performance specifications is provided with every shipment to support your quality assurance processes.

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/59-77°F). Keep away from heat sources and open flame. Ensure containers are kept tightly 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 %
Residual Monomer	< 0.5 %
Glass Transition Temp (Tg)	40 - 70 °C (Grade dependent)
Molecular Weight (Mw)	20,000 - 200,000 g/mol (Grade dependent)
Acid Value	< 5.0 mg KOH/g

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