Description

2-Propenoic Acid, 2-Hydroxyethyl Ester, Polymer With 1,6-Diisocyanatohexane And 2-Oxepanone CAS NO 76246-04-3 is a specialized polyurethane-acrylate hybrid polymer designed to deliver a unique combination of toughness, flexibility, and chemical resistance. This advanced copolymer is engineered to provide superior performance in demanding coating and adhesive formulations where traditional materials may fail. It is a critical raw material for manufacturers in the high-performance coatings, advanced adhesives, and specialty resin sectors seeking to enhance product durability and functionality.

Application

• High-Performance Industrial Coatings: Used as a key binder in coatings for metal, plastic, and wood substrates requiring excellent abrasion resistance, weatherability, and chemical protection.
• Advanced Adhesives and Sealants: Serves as a primary component in structural adhesives, pressure-sensitive adhesives (PSAs), and sealants, providing strong bonding strength and flexibility.
• UV-Curable Resin Systems: An essential oligomer in UV-curable inks, coatings, and 3D printing resins, enabling fast curing and high crosslink density for durable finishes.
• Fiber-Reinforced Composites: Acts as a matrix resin in composite materials, enhancing interlaminar shear strength and impact resistance for automotive and aerospace parts.
• Specialty Elastomers: Utilized in the formulation of thermoplastic polyurethanes (TPUs) and other elastomers that require a balance of mechanical properties and processability.
• Biomedical Device Coatings: Employed in coatings for medical devices where biocompatibility, flexibility, and resistance to sterilization processes are paramount.

Basic Information

Product Name	2-Propenoic Acid, 2-Hydroxyethyl Ester, Polymer With 1,6-Diisocyanatohexane And 2-Oxepanone
CAS No.	76246-04-3
Molecular Formula	(C5H6O2.C4H6O2.C8H12N2O2)x
Molecular Weight	Polymer - Contact for details
Synonyms	Poly(HEMA-co-CL-urethane)
2-Hydroxyethyl Methacrylate - ε-Caprolactone - Hexamethylene Diisocyanate Copolymer
HEMA/CL/HDI Terpolymer
Polyurethane Acrylate Hybrid Resin (HEMA/CL based)
Poly(2-hydroxyethyl methacrylate-co-ε-caprolactone-co-hexamethylene diisocyanate)
Acrylated Polyurethane Oligomer
Photocurable Polyurethane Acrylate
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. Key parameters such as molecular weight distribution, viscosity, residual monomer content, and functional group concentration are rigorously monitored. A comprehensive Certificate of Analysis (COA) detailing all specification results is 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). This product is moisture-sensitive (hygroscopic). Keep away from heat sources and open flame. Under these conditions, the product is typically stable for 24 months from the date of manufacture.

Specification

Item	Specification
Appearance	Clear, viscous liquid to pale yellow solid
Identification (IR)	Conforms to structure
Viscosity (at 25°C)	Contact for details
Solid Content	> 98.0 %
Acid Value	< 5.0 mg KOH/g
Hydroxyl Value	Contact for details
Color (Gardner)	< 3
Residual Monomer (HEMA)	< 0.5 %
Moisture Content (KF)	< 0.2 %

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