Description

Hexanedioic Acid, Polymer With 1,3-Diisocyanatomethylbenzene And 1,2-Ethanediol, Isocyanate-Terminated is a specialized polyurethane prepolymer, characterized by its reactive isocyanate (-NCO) end groups. This chemical structure is critical for its role as a high-performance building block in advanced polymer synthesis, offering excellent adhesion, flexibility, and chemical resistance. It is primarily utilized by manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries, as well as in the production of composite materials and specialty foams.

Application

• Polyurethane Adhesives & Sealants: Serves as a key prepolymer for formulating high-strength, moisture-curing adhesives and sealants with superior bonding to diverse substrates.
• Protective & Industrial Coatings: Used in the synthesis of polyurethane coatings that provide exceptional durability, abrasion resistance, and weatherability for industrial floors, pipelines, and automotive parts.
• Elastomer Production: Acts as a precursor for casting or molding polyurethane elastomers used in wheels, rollers, gaskets, and impact-absorbing components.
• Composite Materials: Functions as a matrix resin or binder in fiber-reinforced composites for the automotive, marine, and construction sectors.
• Foam Systems: Employed in the formulation of specialized rigid or flexible polyurethane foams requiring tailored mechanical and thermal properties.
• Potting & Encapsulation Compounds: Provides excellent electrical insulation and environmental protection for electronic components when used in potting resins.

Basic Information

Product Name	Hexanedioic Acid, Polymer With 1,3-Diisocyanatomethylbenzene And 1,2-Ethanediol, Isocyanate-Terminated
CAS No.	68609-51-8
Molecular Formula	(C8H6N2O2 · C6H10O4 · C2H6O2)x
Molecular Weight	Polymer - Variable
Synonyms	Poly(hexanedioic acid-co-1,3-diisocyanatomethylbenzene-co-ethanediol), isocyanate-terminated; Adipic acid polymer with 1,3-diisocyanatomethylbenzene and ethylene glycol, NCO-terminated; Toluene diisocyanate (TDI)-based polyurethane prepolymer; Isocyanate-terminated polyester urethane prepolymer; Polyurethane prepolymer based on adipic acid, ethylene glycol, and TDI; NCO-terminated oligomer; Reactive polyurethane resin; CAS 68609-51-8
EINECS	Contact for details

Quality Control

Our production of Hexanedioic Acid, Polymer With 1,3-Diisocyanatomethylbenzene And 1,2-Ethanediol, Isocyanate-Terminated adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing to ensure consistent properties such as isocyanate (NCO) content, viscosity, and moisture levels. Certificates of Analysis (COA) detailing these specifications are provided to guarantee product consistency, performance reliability, and traceability for your manufacturing processes.

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). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent reaction with atmospheric moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Complies
Isocyanate (NCO) Content	Contact for details
Viscosity @ 25°C	Contact for details
Specific Gravity @ 25°C	Contact for details
Moisture (Karl Fischer)	≤ 0.05%

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