Description

2-Propenoic Acid, 2-Methyl-, Polymer With Ethenylbenzene, 2-Ethylhexyl 2-Propenoate And 2-Propenenitrile is a high-performance, multi-component acrylic copolymer designed for demanding industrial applications. This specialized polymer offers a unique balance of properties, including excellent adhesion, chemical resistance, and film-forming characteristics. It is essential for manufacturers in the coatings, adhesives, and sealants industries seeking to enhance product durability and performance.

Application

• Industrial and Protective Coatings: Used as a key binder in metal primers, automotive underbody coatings, and corrosion-resistant finishes.
• Adhesive Formulations: Serves as a primary component in pressure-sensitive adhesives (PSAs) and structural adhesives for plastics and composites.
• Textile and Leather Finishes: Provides durable, flexible coatings and binders for fabric backings and leather treatments.
• Paper and Packaging Coatings: Enhances water resistance, printability, and surface gloss in specialty paper and cardboard coatings.
• Caulks and Sealants: Imparts flexibility, adhesion, and weather resistance in construction and automotive sealants.
• Plastic Modifiers: Used as an impact modifier or processing aid to improve the toughness of rigid plastic compounds.

Basic Information

Product Name	2-Propenoic Acid, 2-Methyl-, Polymer With Ethenylbenzene, 2-Ethylhexyl 2-Propenoate And 2-Propenenitrile
CAS No.	26873-77-8
Molecular Formula	(C4H6O2.C8H14O2.C8H8.C3H3N)x
Molecular Weight	Polymer - varies by grade
Synonyms	Acrylic Styrene Acrylonitrile Copolymer; ASA Polymer; Acrylonitrile-Styrene-Acrylate; 2-Methyl-2-propenoic acid polymer with ethenylbenzene, 2-ethylhexyl 2-propenoate and 2-propenenitrile; Acrylic-modified SAN; ASA Terpolymer; Styrene/Acrylonitrile/Acrylate Copolymer; AAS (Acrylonitrile-Acrylic Rubber-Styrene)
EINECS	Contact for details

Quality Control

Our production of this advanced polymer adheres to strict quality management systems to ensure batch-to-batch consistency and performance reliability. Each lot is characterized for critical parameters including monomer content, molecular weight distribution, viscosity, and glass transition temperature (Tg). Certificates of Analysis (COA) detailing these specifications are provided with every 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 ambient temperatures (15-25°C). Keep away from heat sources and open flame. For long-term storage, maintain under an inert atmosphere to preserve polymer integrity.

Specification

Item	Specification
Appearance	White to off-white granules/powder
Solid Content	≥ 98.0 %
Viscosity (Solution)	Contact for details
Glass Transition Temperature (Tg)	Contact for details
Residual Monomer	≤ 0.5 %
Ash Content	≤ 0.1 %
Moisture Content	≤ 0.5 %

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