Description

2-Propenoic Acid, 2-Methyl-, Octadecyl Ester, Polymer With Isooctyl 2-Propenoate And 2-Propenoic Acid is a high-performance, multi-component acrylic copolymer designed to deliver exceptional durability and compatibility in demanding formulations. This specialized polymer is engineered to provide superior film-forming properties, water resistance, and adhesion to a wide range of substrates. It is a critical raw material for manufacturers in the coatings, adhesives, and specialty chemical industries seeking to enhance product performance and longevity.

Application

• Industrial and Protective Coatings: Used as a key film-forming agent in metal primers, automotive underbody coatings, and corrosion-resistant finishes.
• Adhesives and Sealants: Imparts flexibility, tack, and cohesive strength in pressure-sensitive adhesives (PSAs), construction sealants, and laminating adhesives.
• Printing Inks and Overprint Varnishes: Enhances gloss, rub resistance, and substrate adhesion in flexographic and gravure inks.
• Textile and Leather Finishes: Provides durable, water-repellent, and flexible coatings for fabric and leather treatment.
• Plastic and Rubber Modification: Acts as a processing aid and impact modifier to improve the surface properties and weatherability of polymer compounds.
• Specialty Additives: Serves as a base for rheology modifiers, dispersing agents, and other performance additives in advanced material systems.

Basic Information

Product Name	2-Propenoic Acid, 2-Methyl-, Octadecyl Ester, Polymer With Isooctyl 2-Propenoate And 2-Propenoic Acid
CAS No.	70425-89-7
Molecular Formula	(C22H42O2·C11H20O2·C3H4O2)x
Molecular Weight	Polymer - Variable
Synonyms	Octadecyl Methacrylate/Isooctyl Acrylate/Acrylic Acid Copolymer; Stearyl Methacrylate/Isooctyl Acrylate/Acrylic Acid Terpolymer; SMA/IOA/AA Copolymer; Acrylic Copolymer Resin; Poly(stearyl methacrylate-co-isooctyl acrylate-co-acrylic acid); 2-Methyl-2-propenoic acid octadecyl ester polymer with isooctyl 2-propenoate and 2-propenoic acid; Acrylic pressure-sensitive adhesive polymer.
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 monomer content, molecular weight distribution, viscosity, and acid value 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 flame. For long-term storage, an inert atmosphere (e.g., nitrogen) is recommended to prevent oxidation and maintain product stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid or solid
Identification (IR)	Conforms to structure
Solid Content (%)	Contact for details
Viscosity (cps @ 25°C)	Contact for details
Acid Value (mg KOH/g)	Contact for details
Glass Transition Temp (Tg)	Contact for details
Residual Monomer	< 0.5%

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