Description

Poly(Ethylene Adipate), Tolylene 2,4-Diisocyanate Terminated is a specialized prepolymer used as a key building block in polyurethane chemistry. This compound matters for its role as a reactive intermediate, providing a controlled molecular backbone that dictates the final properties of polyurethane elastomers and coatings. Industries such as specialty adhesives, high-performance sealants, and flexible coating manufacturing need this product to achieve specific elasticity, durability, and chemical resistance in their formulations.

Application

• Primary component in the synthesis of polyurethane elastomers for industrial belts, rollers, and gaskets.
• Formulation of high-performance adhesives and sealants with enhanced flexibility and bond strength.
• Production of flexible coatings for textiles, automotive interiors, and wire insulation.
• Manufacture of thermoplastic polyurethane (TPU) granules for injection molding and extrusion.
• Key raw material for castable polyurethane systems used in industrial tooling and prototyping.
• Base for specialty foam systems requiring tailored density and resilience.

Basic Information

Product Name	Poly(Ethylene Adipate), Tolylene 2,4-Diisocyanate Terminated
CAS No.	9019-92-5
Molecular Formula	(C10H8N2O2)x•(C8H14O4)y (Polymer)
Molecular Weight	Varies by grade (Contact for details)
Synonyms	Poly(ethylene adipate) terminated with tolylene 2,4-diisocyanate; Poly(ethylene adipate) tolylene diisocyanate terminated; TDI-terminated poly(ethylene adipate); Polyethylene adipate TDI prepolymer; Adipic acid-ethylene glycol-TDI prepolymer; Polyurethane prepolymer based on PEAG and TDI; PEAG-TDI prepolymer; 2,4-TDI terminated poly(ethylene adipate)
EINECS	Contact for details

Quality Control

Our Poly(Ethylene Adipate), Tolylene 2,4-Diisocyanate Terminated is produced under a rigorous quality management system. Each batch undergoes comprehensive analytical testing to ensure consistency in NCO content, viscosity, and molecular weight distribution, which are critical for predictable polyurethane processing and performance. Certificates of Analysis (COA) documenting these key parameters are available upon request.

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) and must be protected from atmospheric moisture to prevent premature reaction and viscosity increase. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms
NCO Content	3.0 - 5.0 % (Typical)
Viscosity @ 25°C	5,000 - 25,000 mPa·s (Grade dependent)
Acid Value	≤ 1.0 mg KOH/g
Moisture (Karl Fischer)	≤ 0.05 %

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