Description

2-Oxepanone, Polymer With 1,3-Bis(1-Isocyanato-1-Methylethyl)Benzene And 2,2-Oxybisethanol, 2-Hydroxyethyl Acrylate-Blocked is a specialized, blocked polyurethane prepolymer designed for advanced coating and adhesive formulations. This product matters because it provides a latent, thermally-activated crosslinking mechanism, enabling the formulation of high-performance, one-component systems with excellent shelf stability. It is primarily needed by manufacturers in the industrial coatings, automotive refinish, and specialty adhesive sectors seeking to enhance durability, chemical resistance, and application efficiency.

Application

• One-Component (1K) Polyurethane Coatings: Serves as a blocked isocyanate crosslinker for high-performance industrial and automotive topcoats.
• Thermally-Curable Wire Enamels: Used in the production of insulating varnishes for electrical components.
• Powder Coating Binders: Acts as a crosslinking agent in powder coatings that cure at elevated temperatures.
• High-Temperature Adhesives and Sealants: Provides robust bonding and sealing properties in assemblies exposed to harsh environments.
• Can and Coil Coatings: Imparts flexibility, adhesion, and corrosion resistance to metal substrates.
• Fiber Sizings and Composite Matrices: Enhances the interfacial adhesion and mechanical properties of reinforced plastics.

Basic Information

Product Name	2-Oxepanone, Polymer With 1,3-Bis(1-Isocyanato-1-Methylethyl)Benzene And 2,2-Oxybisethanol, 2-Hydroxyethyl Acrylate-Blocked
CAS No.	121758-78-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Blocked Polyurethane Prepolymer; 2-Hydroxyethyl Acrylate Blocked Isocyanate; Poly(ε-caprolactone) blocked with TMXDI® and 2-hydroxyethyl acrylate; Acrylated blocked aliphatic polyisocyanate; TMXDI-based blocked prepolymer; Thermally reactive polyurethane resin; Blocked aliphatic polyisocyanate crosslinker; 1,3-Bis(1-isocyanato-1-methylethyl)benzene, polymer with 2,2'-oxybis[ethanol] and 2-oxepanone, 2-hydroxyethyl acrylate-blocked
EINECS	Contact for details

Quality Control

Our production of this blocked polyurethane prepolymer adheres to stringent quality protocols to ensure batch-to-batch consistency and performance reliability. Each lot is characterized for critical parameters including blocked isocyanate content, viscosity, solids content, and deblocking temperature. Comprehensive Certificates of Analysis (COA) documenting these specifications are provided to support your quality assurance and regulatory compliance needs.

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 / 59-77°F). Keep away from strong alkali and incompatible organic solvents. Under these conditions, the product maintains optimal stability.

Specification

Item	Specification
Appearance	Viscous liquid to solid
Color (Gardner)	≤ 3
Solids Content	Contact for details
Viscosity (at 25°C)	Contact for details
Blocked NCO Content	Contact for details
Deblocking Onset Temperature	Contact for details
Identification (IR)	Conforms

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