Description

2-Oxepanone, polymer with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol, .alpha.-hydro-.omega.-hydroxypoly(oxy-1,2-ethanediyl) and 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane, 2-hydroxyethyl acrylate-blocked is a specialized, multi-component polymer designed for high-performance coating applications. This compound matters because it provides a unique combination of flexibility, chemical resistance, and weatherability, enabling the formulation of durable protective finishes. It is primarily needed by manufacturers in the industrial coatings, automotive refinish, and advanced materials sectors seeking to enhance product longevity and performance.

Application

• Industrial Maintenance Coatings: Used as a key resin in protective coatings for steel structures, pipelines, and chemical plants due to its excellent corrosion and chemical resistance.
• Automotive Refinish Paints: Serves as a high-performance binder in clearcoats and topcoats, providing superior gloss retention, scratch resistance, and durability.
• Plastic Coatings: Formulated into coatings for automotive plastics, consumer electronics, and other substrates requiring excellent adhesion and flexibility.
• Marine and Offshore Coatings: Employed in anti-corrosive primer and topcoat systems that must withstand harsh saline environments and UV exposure.
• Adhesives and Sealants: Acts as a reactive component in high-strength, flexible polyurethane-based adhesives and sealants.
• Specialty Inks: Utilized in the formulation of high-wear, chemical-resistant inks for industrial marking and packaging.

Basic Information

Product Name	2-Oxepanone, polymer with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol, .alpha.-hydro-.omega.-hydroxypoly(oxy-1,2-ethanediyl) and 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane, 2-hydroxyethyl acrylate-blocked
CAS No.	85338-68-7
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Polycaprolactone polyol, blocked with 2-hydroxyethyl acrylate and reacted with isophorone diisocyanate (IPDI) prepolymer; Acrylate-blocked polyurethane prepolymer based on polycaprolactone polyol and IPDI; IPDI-based polyurethane prepolymer, acrylate-blocked; Polycaprolactone-modified polyurethane acrylate; Blocked polyisocyanate crosslinker; Thermosetting acrylic-polyurethane hybrid resin; Light-stable polyurethane coating resin.
EINECS	Contact for details

Quality Control

Our production of this advanced polymer adheres to rigorous quality testing protocols to ensure batch-to-batch consistency and performance reliability. Quality is monitored through key parameters including NCO content, viscosity, solids content, and color. A comprehensive Certificate of Analysis (COA) detailing all specification results is provided with every shipment to support your quality assurance processes.

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 hygroscopic (moisture-sensitive); ensure containers are sealed immediately after use to prevent moisture absorption, which can affect performance. Keep away from heat sources and open flames.

Specification

Item	Specification
Appearance	Clear, viscous liquid
Color (Gardner)	≤ 3
Solids Content	70 ± 2 %
Viscosity (25°C)	3000 - 6000 mPa·s
Blocked NCO Content	4.0 - 6.0 %
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.