Description

Styrene, Ethyl Acrylate, Itaconic Acid, 2-Hydroxyethyl Acrylate Polyme R is a specialized multi-component copolymer designed for high-performance applications. This engineered polymer combines the structural strength of styrene, the flexibility and weatherability of ethyl acrylate, the cross-linking functionality of itaconic acid, and the adhesion-promoting hydroxyl groups from 2-hydroxyethyl acrylate. It is essential for formulators seeking to create advanced materials with a balanced profile of durability, chemical resistance, and specific reactive sites for further modification. Key industries that utilize this polymer include advanced coatings, adhesives, sealants, and composites.

Application

• High-Performance Industrial Coatings: Used as a binder in protective coatings for metal, wood, and plastic substrates, offering excellent gloss, adhesion, and resistance to weathering and chemicals.
• Pressure-Sensitive Adhesives (PSAs): Serves as a key component in tape and label adhesives, providing a tunable balance of tack, peel strength, and shear resistance.
• Textile and Leather Finishes: Applied as a finishing agent to impart water repellency, stiffness, or soft hand feel, and to improve durability.
• Paper Coatings: Enhances the surface strength, printability, and water resistance of paper and paperboard products.
• Construction Materials: Incorporated into cement modifiers, sealants, and caulks to improve flexibility, waterproofing, and bond strength.
• Reactive Polymer Intermediate: The pendant hydroxyl and carboxylic acid groups allow for further chemical reactions, making it a valuable intermediate for synthesizing custom resins and cross-linked networks.

Basic Information

Product Name	Styrene, Ethyl Acrylate, Itaconic Acid, 2-Hydroxyethyl Acrylate Polyme R
CAS No.	63744-67-2
Molecular Formula	(C8H8·C5H8O2·C5H6O4·C5H8O3)x
Molecular Weight	Varies (Polymer)
Synonyms	Styrene/Ethyl Acrylate/Itaconic Acid/2-Hydroxyethyl Acrylate Copolymer; Acrylic-Styrene Copolymer with Itaconic Acid and HEA; 2-Propenoic Acid, 2-Hydroxyethyl Ester, Polymer with Ethenylbenzene, Ethyl 2-Propenoate and 2-Methylenesuccinic Acid; HEA/Itaconic Acid/Styrene/Ethyl Acrylate Polymer; Multi-Functional Acrylic Copolymer; Reactive Acrylic Resin; CAS 63744-67-2
EINECS	Contact for details

Quality Control

Our production of Styrene, Ethyl Acrylate, Itaconic Acid, 2-Hydroxyethyl Acrylate Polyme R adheres to a stringent quality management system. Every batch undergoes rigorous testing to ensure consistent monomer conversion, molecular weight distribution, acid value, hydroxyl value, and key physical properties. Certificates of Analysis (COA) detailing lot-specific results are available upon request, providing full traceability and compliance data for 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. Under recommended storage conditions, the product is stable for a minimum of 12 months from the date of manufacture.

Specification

Item	Specification
Appearance	Clear to hazy viscous liquid or solid beads
Solid Content	40% - 99%
Acid Value	5 - 50 mg KOH/g
Hydroxyl Value	10 - 100 mg KOH/g
Glass Transition Temperature (Tg)	-10°C to +50°C
Viscosity (at 25°C)	500 - 50,000 cP (solution)
Residual Monomer	< 0.5% (by GC)
Identification (IR)	Conforms to standard

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