Description

2-Propenoic Acid, 2-Hydroxyethyl Ester, Polymer With 1,4-Butanediol, 5-Isocyanato-1-(Isocyanatomethyl)-1,3,3-Trimethylcyclohexane And 2-Oxepanone CAS NO 73003-58-4 is a specialized, high-performance polyurethane-acrylate hybrid polymer. This advanced material is engineered to deliver a unique combination of flexibility, chemical resistance, and durability, making it a critical component in demanding industrial applications. It is primarily sought after by formulators in the coatings, adhesives, and advanced materials sectors who require tailored polymer properties.

Application

• High-Performance Coatings: Used as a key resin in UV-curable and moisture-curable coatings for automotive, industrial, and electronic applications, providing excellent weatherability and surface hardness.
• Specialty Adhesives & Sealants: Serves as a base polymer for formulating flexible, impact-resistant adhesives and sealants used in construction and assembly.
• Advanced Composite Materials: Acts as a matrix resin or toughening agent in fiber-reinforced composites for the aerospace and automotive industries.
• 3D Printing Resins: Utilized in the formulation of advanced photopolymer resins for stereolithography (SLA) and other additive manufacturing processes.
• Optical Lens Coatings: Employed in coatings for optical lenses and displays due to its potential for clarity, scratch resistance, and adhesion.
• Elastomer Modification: Used to modify the properties of thermoplastic polyurethanes (TPUs) and other elastomers to enhance flexibility and chemical resistance.

Basic Information

Product Name	2-Propenoic Acid, 2-Hydroxyethyl Ester, Polymer With 1,4-Butanediol, 5-Isocyanato-1-(Isocyanatomethyl)-1,3,3-Trimethylcyclohexane And 2-Oxepanone
CAS No.	73003-58-4
Molecular Formula	Polymeric substance; contact for details
Molecular Weight	Polymeric substance; contact for details
Synonyms	Poly(HEMA-co-BD-co-IPDI-co-ε-Caprolactone); Hydroxyethyl Methacrylate-Butanediol-Isophorone Diisocyanate-Caprolactone Copolymer; Polyurethane Acrylate Hybrid Resin; PUA Resin; HEMA/BD/IPDI/CL Copolymer; Acrylated Polyurethane Oligomer; 2-Hydroxyethyl Methacrylate polymer with 1,4-butanediol, isophorone diisocyanate and ε-caprolactone
EINECS	Contact for details

Quality Control

Every batch of our polymer is manufactured under strict quality management protocols to ensure consistent performance and purity. We provide comprehensive Certificates of Analysis (COA) with key parameters such as viscosity, solids content, acid value, and isocyanate content (as applicable). Our production adheres to ISO 9001 standards, and we support compliance with global regulatory frameworks including REACH.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at temperatures between 15°C and 25°C (59°F and 77°F). This product is moisture-sensitive (hygroscopic) and may also be sensitive to heat; prolonged exposure to high humidity or elevated temperatures can affect product integrity. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear to slightly hazy viscous liquid
Color (Gardner)	≤ 3
Solid Content	Contact for details
Viscosity (25°C)	Contact for details
Acid Value (mg KOH/g)	≤ 5.0
Hydroxyl Value (mg KOH/g)	Contact for details
Isocyanate Content (NCO %)	Contact for details

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