Description

2-Propenoic Acid, 2-Methyl-, Polymer With 1,1-Dimethylethyl 2-Propenoate And Ethenylbenzene is a high-performance acrylic-based copolymer designed for demanding industrial applications. This specialized polymer offers a unique balance of properties, including excellent film formation, adhesion, and chemical resistance, making it a critical component in advanced coating and adhesive formulations. It is essential for manufacturers in the paints & coatings, pressure-sensitive adhesives, and specialty plastics industries seeking to enhance product durability and performance.

Application

• Primary binder or film-forming agent in high-performance industrial and architectural coatings.
• Key polymer component in the formulation of pressure-sensitive adhesives (PSAs) for tapes and labels.
• Modifier for plastic and composite materials to improve impact resistance and surface characteristics.
• Base resin for specialty inks and overprint varnishes requiring excellent gloss and rub resistance.
• Component in sealants and caulks where flexibility and adhesion to diverse substrates are required.
• Additive for textile and leather finishes to provide durable, protective coatings.

Basic Information

Product Name	2-Propenoic Acid, 2-Methyl-, Polymer With 1,1-Dimethylethyl 2-Propenoate And Ethenylbenzene
CAS No.	125302-12-7
Molecular Formula	(C4H6O2.C5H8O2.C8H8)x
Molecular Weight	Polymer - varies by grade
Synonyms	Methyl methacrylate / tert-Butyl acrylate / Styrene copolymer; MMA/tBA/St copolymer; Acrylic copolymer; Methacrylic acid, methyl ester, polymer with 1,1-dimethylethyl 2-propenoate and ethenylbenzene; Tert-butyl acrylate-methyl methacrylate-styrene terpolymer; TBMA/MMA/St polymer
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 content, glass transition temperature (Tg), and solution viscosity to ensure batch-to-batch consistency. Certificates of Analysis (COA) detailing these specifications are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat sources and open flame. For long-term storage, an inert atmosphere is recommended to maintain polymer stability.

Specification

Item	Specification
Appearance	White powder or clear solid/pellets
Identification (IR)	Conforms to structure
Assay (as copolymer)	> 98.0%
Residual Monomer	< 0.5%
Glass Transition Temp (Tg)	Grade-dependent (Typ. 40-80°C)
Molecular Weight (Mw)	Grade-dependent
Volatile Content	< 1.0%
Solubility	Soluble in common organic solvents

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