Description

Hexanedioic Acid, Polymer With 1,2-Ethanediol And 5-Isocyanato-1-(Isocyanatomethyl)-1,3,3-Trimethylcyclohexane, 2-Hydroxyethyl Acrylate-Blocked is a specialized blocked polyurethane prepolymer designed for advanced coating and adhesive formulations. This product matters for industrial manufacturers seeking to enhance product durability, chemical resistance, and processing flexibility. It is primarily needed by formulators in the automotive, industrial maintenance, and high-performance coatings sectors who require reliable, latent-reactive components.

Application

• High-Performance Industrial Coatings: Used as a crosslinking agent in formulations requiring excellent weatherability, abrasion resistance, and chemical protection.
• Automotive OEM and Refinish Paints: A key component in primer, basecoat, and clearcoat systems to achieve superior gloss, hardness, and durability.
• Adhesives and Sealants: Provides strong, flexible bonds with good environmental resistance in structural and specialty adhesive applications.
• Plastic and Composite Coatings: Enhances adhesion and surface properties on challenging substrates like polycarbonate, ABS, and fiber-reinforced plastics.
• Corrosion-Resistant Primers: Formulated into heavy-duty protective coatings for metal structures, pipelines, and marine environments.
• UV-Curable Hybrid Systems: Acts as a reactive modifier in systems combining free-radical (acrylate) and polyurethane chemistries for faster cure and enhanced properties.

Basic Information

Product Name	Hexanedioic Acid, Polymer With 1,2-Ethanediol And 5-Isocyanato-1-(Isocyanatomethyl)-1,3,3-Trimethylcyclohexane, 2-Hydroxyethyl Acrylate-Blocked
CAS No.	71549-84-3
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Blocked Polyurethane Prepolymer; IPDI-based blocked prepolymer; Acrylate-blocked polyisocyanate; Adipic acid/ethylene glycol/ isophorone diisocyanate polymer, 2-hydroxyethyl acrylate-blocked; Polyurethane crosslinker, blocked; Thermosetting resin precursor; Latent curing agent for coatings; Urethane acrylate oligomer.
EINECS	Contact for details

Quality Control

Our production of this blocked polyurethane prepolymer adheres to stringent quality management systems to ensure batch-to-batch consistency and performance reliability. Every lot is characterized for critical parameters including blocked isocyanate content, viscosity, solids content, and color. Comprehensive Certificates of Analysis (COA) documenting these specifications are provided to guarantee the material meets your formulation requirements.

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). Keep away from heat, sparks, and open flame. Under these conditions, the product has a typical shelf life of 12 months from the date of manufacture.

Specification

Item	Specification
Appearance	Clear, viscous liquid
Color (Gardner)	≤ 3
Solids Content	70 ± 2 %
Viscosity (25°C)	3000 - 6000 mPa·s
Blocked NCO Content	5.0 - 7.0 %
Acid Value	≤ 2.0 mg KOH/g
Identification (IR)	Conforms

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