Description

Ethanol, 2,2-Oxybis-, Polymer With 5-Isocyanato-1-(Isocyanatomethyl)-1,3,3-Trimethylcyclohexane, Caprolactam-Blocked is a specialized blocked polyisocyanate prepolymer, where the reactive isocyanate groups are temporarily protected by caprolactam. This product is engineered to provide a latent curing agent that requires heat to activate, enabling controlled cross-linking in high-performance coating and adhesive systems. It is essential for formulators in the automotive, industrial maintenance, and specialty plastics sectors seeking to develop products with excellent chemical resistance, durability, and precise processing characteristics.

Application

• As a heat-activated cross-linking agent in high-solids and powder coatings for automotive OEM and refinish applications.
• Key component in formulating single-component (1K) polyurethane systems that cure upon baking, simplifying storage and application.
• Used in the production of industrial maintenance coatings for pipelines, chemical plants, and marine environments requiring robust corrosion protection.
• Essential for wire enamel and magnet wire coatings where thermal stability and electrical insulation are critical.
• Employed in the manufacture of adhesives and sealants for aerospace, automotive, and construction that demand high strength and environmental resistance.
• Utilized in plastic modification to enhance the thermal and mechanical properties of engineering polymers.
• Base material for creating specialty elastomers and castable urethane parts with tailored hardness and resilience.

Basic Information

Item	Details
Product Name	Ethanol, 2,2-Oxybis-, Polymer With 5-Isocyanato-1-(Isocyanatomethyl)-1,3,3-Trimethylcyclohexane, Caprolactam-Blocked
CAS No.	74313-63-6
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Caprolactam-blocked IPDI prepolymer; Blocked polyisocyanate based on IPDI and diethylene glycol; Blocked aliphatic polyisocyanate; IPDI-DEG blocked adduct; Blocked isophorone diisocyanate prepolymer; Latent curing agent; 5-Isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane, polymer with 2,2'-oxybis[ethanol], caprolactam-blocked
EINECS	Contact for details

Quality Control

Our production of this blocked polyisocyanate adheres to stringent quality management protocols. Every batch undergoes comprehensive analysis to ensure consistent performance, including measurement of blocked isocyanate content, viscosity, color, and deblocking temperature. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. Our quality system is designed to support customers operating under ISO 9001 and other relevant industry standards.

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 heat, sparks, and open flame. Moisture-sensitive. Containers should be kept tightly sealed to prevent absorption of atmospheric moisture, which can lead to premature reaction.

Specification

Item	Specification
Appearance	Clear, viscous liquid
Color (Gardner)	≤ 3
Viscosity at 25°C	Contact for details
Blocked NCO Content	Contact for details
Solid Content	Contact for details
Deblocking Temperature	~160°C
Identification (IR)	Conforms

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