Description

2-Propenoic Acid, 2-Methyl-, Polymer With Ethenylbenzene And Methyl 2-Methyl-2-Propenoate is a high-performance, multi-component acrylic copolymer designed for demanding industrial applications. This versatile polymer offers a unique balance of properties derived from its constituent monomers, including hardness, chemical resistance, and excellent film-forming characteristics. It is a critical raw material for formulators in the coatings, adhesives, and specialty plastics industries seeking to enhance product durability and performance.

Application

• Industrial Coatings Binder: Used as a primary film-forming agent in high-performance industrial, automotive, and marine coatings for superior weather resistance and gloss retention.
• Adhesive & Sealant Formulations: Serves as a key polymer component in pressure-sensitive adhesives (PSAs), construction sealants, and laminating adhesives, providing strong bonding and flexibility.
• Plastic Modifier & Impact Improver: Employed as an additive to modify the properties of engineering plastics, enhancing impact strength and processability.
• Printing Inks: Acts as a resin binder in specialty printing inks, contributing to fast drying times, adhesion to various substrates, and rub resistance.
• Textile & Leather Finishes: Utilized in coatings and finishes for textiles and leather to improve surface feel, durability, and water repellency.
• Paper Coating: Functions as a binder in paper and paperboard coatings to enhance printability, smoothness, and barrier properties.

Basic Information

Product Name	2-Propenoic Acid, 2-Methyl-, Polymer With Ethenylbenzene And Methyl 2-Methyl-2-Propenoate
CAS No.	25035-81-8
Molecular Formula	(C4H6O2·C8H8·C5H8O2)x
Molecular Weight	Varies (Polymer)
Synonyms	Methyl Methacrylate - Styrene - Methacrylic Acid Terpolymer; MMA/Styrene/MAA Terpolymer; Acrylic-Styrene Copolymer; Methacrylic Acid Copolymer (Type C); Poly(methyl methacrylate-co-styrene-co-methacrylic acid); Eudragit® L/S-type related polymer; Acrylic Resin; Methacrylate Copolymer; CAS 25035-81-8
EINECS	Contact for details

Quality Control

Our production of 2-Propenoic Acid, 2-Methyl-, Polymer With Ethenylbenzene And Methyl 2-Methyl-2-Propenoate adheres to a strict quality management system to ensure batch-to-batch consistency and performance reliability. Each lot is characterized for critical parameters including molecular weight distribution, acid value, glass transition temperature (Tg), and residual monomer content. Certificates of Analysis (COA) documenting these specifications are provided with every shipment. Our quality commitment aligns with cGMP principles where applicable, supporting its use in demanding industrial and specialized applications.

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 flame. This material is hygroscopic (moisture-sensitive); ensure containers are sealed after each use to prevent moisture absorption, which may affect performance.

Specification

Item	Specification
Appearance	White to off-white powder or granules
Identification (IR)	Conforms
Acid Value	Contact for details
Glass Transition Temp (Tg)	Contact for details
Weight Average Molecular Weight (Mw)	Contact for details
Residual Monomers (GC)	< 0.5%
Loss on Drying	< 2.0%
Ash Content	< 0.5%

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