Description

Ethyl Acrylate, Styrene, Hydroxyethyl Methacrylate Copolymer is a synthetic terpolymer designed to deliver a unique balance of properties from its constituent monomers. This compound matters for formulators seeking to modify the flexibility, adhesion, and cross-linking potential of their final products. Key industries that need this versatile polymer include coatings, adhesives, and specialty resin manufacturing, where it acts as a performance-enhancing additive.

Application

• As a key film-forming agent and binder in high-performance industrial and architectural coatings.
• As a modifier in pressure-sensitive and structural adhesives to enhance tack and peel strength.
• In the formulation of printing inks to improve gloss, adhesion, and rub resistance.
• As a reactive component in UV-curable resins and oligomers for wood, plastic, and metal coatings.
• In the production of specialty sealants and caulks to impart flexibility and durability.
• As an additive in textile and leather finishing chemicals to provide water resistance and hand feel.
• In the modification of thermoplastic and thermoset resins to tailor impact resistance and surface properties.

Basic Information

Product Name	Ethyl Acrylate, Styrene, Hydroxyethyl Methacrylate Copolymer
CAS No.	26916-04-1
Molecular Formula	(C5H8O2.C8H8.C6H10O3)x
Molecular Weight	Varies (Polymer)
Synonyms	2-Propenoic acid, 2-methyl-, 2-hydroxyethyl ester, polymer with ethyl 2-propenoate and ethenylbenzene; Acrylic copolymer; Ethyl acrylate/styrene/HEMA copolymer; HEMA/ethyl acrylate/styrene terpolymer; Poly(ethyl acrylate-co-styrene-co-2-hydroxyethyl methacrylate); Acrylic polyol resin (in certain grades); Styrene Acrylic Polyol; Reactive acrylic copolymer.
EINECS	Contact for details

Quality Control

Our Ethyl Acrylate, Styrene, Hydroxyethyl Methacrylate Copolymer undergoes rigorous quality testing to ensure batch-to-batch consistency and compliance with industry standards. Key parameters monitored include monomer content, hydroxyl value, acid value, viscosity, and glass transition temperature (Tg). Certificates of Analysis (COA) detailing these specifications are available upon request 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. Under recommended storage conditions, the product is stable for the period indicated on the label.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid or solid
Identification (IR)	Complies
Solid Content (%)	Contact for details
Hydroxyl Value (mg KOH/g)	Contact for details
Acid Value (mg KOH/g)	≤ 5.0
Viscosity (cP @ 25°C)	Contact for details
Glass Transition Temp (Tg)	Contact for details
Residual Monomers	≤ 0.5% (total)
Color (Gardner)	≤ 3

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