Description

1,2-Ethanediamine, Polymer With 1,1-Methylenebis4-Isocyanatobenzene And Tetrahydrofuran, Block is a specialized polyurethane prepolymer or block copolymer derived from ethylenediamine, MDI, and THF. This engineered material is valued for its unique combination of chemical resistance, derived from its strong base and organic solvent character, and tailored polymer properties. It is essential for manufacturers in advanced material science seeking to enhance the performance and durability of coatings, adhesives, and elastomers under demanding conditions.

Application

• High-Performance Coatings & Paints: Used as a key resin component to formulate chemical-resistant and durable industrial coatings for metal, concrete, and plastic substrates.
• Specialty Adhesives & Sealants: Serves as a base polymer for adhesives requiring strong bonding, flexibility, and resistance to solvents and moisture.
• Engineered Elastomers & Urethane Rubbers: Acts as a prepolymer in the production of castable polyurethane elastomers for rollers, wheels, and seals.
• Composite Materials: Utilized as a matrix or binder in fiber-reinforced composites to improve interlaminar shear strength and environmental stability.
• Chemical-Resistant Linings & Encapsulants: Applied in formulations for protective linings in tanks, pipes, and flooring that are exposed to aggressive chemicals.
• Automotive & Aerospace Components: Incorporated into under-the-hood parts, gaskets, and vibration-damping components for its durability.

Basic Information

Product Name	1,2-Ethanediamine, Polymer With 1,1-Methylenebis4-Isocyanatobenzene And Tetrahydrofuran, Block
CAS No.	116461-73-5
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Ethylenediamine-MDI-THF block copolymer; Poly(oxy-1,4-butanediyl), α-hydro-ω-hydroxy-, polymer with 1,1'-methylenebis[4-isocyanatobenzene] and 1,2-ethanediamine; MDI/THF/EDA block polymer; Polyurethane prepolymer based on ethylenediamine, MDI, and polytetrahydrofuran (PTHF); Poly(tetramethylene ether glycol)-MDI-ethylenediamine copolymer; PTMEG-MDI-EDA terpolymer; 4,4'-Methylenebis(phenyl isocyanate) polymer with tetrahydrofuran and 1,2-ethanediamine
EINECS	Contact for details

Quality Control

Our production of this block copolymer adheres to strict quality management protocols to ensure batch-to-batch consistency and performance reliability. Key parameters such as isocyanate (NCO) content, viscosity, and molecular weight distribution are rigorously monitored. A comprehensive Certificate of Analysis (COA) detailing all relevant specifications is provided with every shipment to support your quality assurance processes.

Storage

Preserve in a tightly closed, moisture-proof container, protected from light. Store in a cool, dry, and well-ventilated area at a recommended temperature of 15-25°C (59-77°F). Keep away from heat, open flames, and incompatible materials such as strong acids and oxidizing agents. Due to its chemical nature, the material should be handled under dry conditions to prevent premature reaction with atmospheric moisture.

Specification

Item	Specification
Appearance	Viscous liquid or solid
Color	Colorless to pale yellow
Identification (IR)	Conforms to structure
NCO Content	Contact for details
Viscosity @ 25°C	Contact for details
Solid Content	Contact for details
Moisture Content	< 0.1%

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