Description

2-Methyl-2-Propenoic Acid Polymer With Ethenylbenzene, Ethyl 2- Propenoate And 2-Propenenitrile CAS NO 31048-35-8 is a specialized acrylic copolymer designed to deliver enhanced performance characteristics in demanding industrial formulations. This multi-component polymer is engineered to provide a critical balance of properties, including film formation, adhesion, and chemical resistance, which are essential for high-performance coatings and binders. It is primarily utilized by manufacturers in the paints & coatings, adhesives, and specialty plastics industries seeking to improve product durability and functionality.

Application

• Industrial and Protective Coatings: Serves as a key binder in high-performance paints, automotive coatings, and metal primers, offering excellent weather resistance and adhesion.
• Adhesives and Sealants: Used as a base polymer in pressure-sensitive adhesives (PSAs), construction sealants, and laminating adhesives for its cohesive strength and flexibility.
• Textile and Leather Finishes: Imparts durable, flexible, and water-resistant finishes to fabrics, non-wovens, and synthetic leather.
• Paper Coating and Sizing: Enhances the surface strength, printability, and water resistance of paper and paperboard products.
• Plastic Modifiers and Impact Improvers: Incorporated as an additive to modify the impact resistance, clarity, and processing characteristics of engineering plastics.
• Printing Inks: Functions as a resin component in inks for improved gloss, rub resistance, and substrate adhesion.

Basic Information

Product Name	2-Methyl-2-Propenoic Acid Polymer With Ethenylbenzene, Ethyl 2- Propenoate And 2-Propenenitrile
CAS No.	31048-35-8
Molecular Formula	(C4H6O2.C8H8.C5H8O2.C3H3N)x
Molecular Weight	Varies (Polymer)
Synonyms	Acrylic Styrene Acrylate Copolymer; Methacrylic Acid Polymer with Styrene, Ethyl Acrylate, and Acrylonitrile; Styrene/Acrylate/Acrylonitrile Copolymer; ASA Polymer; SAN-Modified Acrylic; Acrylic-SAN Graft Copolymer; 2-Propenoic acid, 2-methyl-, polymer with ethenylbenzene, ethyl 2-propenoate and 2-propenenitrile
EINECS	Contact for details

Quality Control

Our production of this acrylic copolymer adheres to strict quality management systems to ensure batch-to-batch consistency and performance reliability. Key parameters such as molecular weight distribution, monomer residue, glass transition temperature (Tg), and solid content are rigorously monitored. Certificates of Analysis (COA) detailing all relevant specifications are provided with each shipment to support your quality assurance protocols.

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. For long-term storage, ensure the container is properly sealed to prevent moisture absorption or contamination.

Specification

Item	Specification
Appearance	White to off-white powder or beads
Solid Content	≥ 98.0 %
Viscosity (Solution)	Contact for details
Glass Transition Temperature (Tg)	Contact for details
Residual Monomer	< 0.1 % (each)
Moisture Content	< 1.0 %
Ash Content	< 0.5 %
Particle Size	Customizable

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