Description

Oxirane, Methyl-, Polymer With 1,3-Diisocyanatomethylbenzene And Oxirane is a specialized polyurethane polyol prepolymer, a key reactive intermediate in advanced polymer synthesis. This compound matters for its ability to impart tailored properties such as flexibility, adhesion, and chemical resistance to final polymeric materials. It is primarily needed by formulators in the coatings, adhesives, sealants, and elastomers (CASE) industries, as well as in the production of high-performance composites and specialty foams.

Application

• Coatings & Paints: As a reactive building block for high-performance polyurethane coatings, offering excellent durability, gloss, and chemical resistance.
• Adhesives & Sealants: Used in formulating structural and elastic adhesives with strong bonding properties and environmental stability.
• Elastomers: Serves as a precursor for castable and thermoplastic polyurethane elastomers used in industrial parts, rollers, and gaskets.
• Composite Materials: Acts as a matrix resin or modifier in fiber-reinforced plastics (FRP) and other composite systems.
• Foam Systems: Employed in the formulation of rigid or flexible specialty polyurethane foams for insulation and cushioning applications.
• Surface Modification: Used to create functionalized surfaces or as a coupling agent to improve adhesion between dissimilar materials.

Basic Information

Product Name	Oxirane, Methyl-, Polymer With 1,3-Diisocyanatomethylbenzene And Oxirane
CAS No.	9052-50-0
Molecular Formula	(C4H8O)x·(C10H8N2O2)y
Molecular Weight	Varies by grade and composition
Synonyms	Poly(propylene glycol) tolylene diisocyanate prepolymer; PPG-TDI prepolymer; Propylene oxide-TDI polymer; Polyurethane polyol prepolymer based on TDI; TDI-based polyether polyol; Oxirane, methyl-, polymer with methylenebis(phenyl isocyanate); Polyoxypropylene glycol, polymer with toluene diisocyanate; Isocyanate-terminated polypropylene glycol
EINECS	Contact for details

Quality Control

Our Oxirane, Methyl-, Polymer With 1,3-Diisocyanatomethylbenzene And Oxirane undergoes rigorous quality testing to ensure batch-to-batch consistency and compliance with industry standards. Key parameters monitored include isocyanate (NCO) content, hydroxyl value, viscosity, and moisture content. Certificates of Analysis (COA) detailing these specifications are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed, moisture-proof container under a dry inert atmosphere (e.g., nitrogen), protected from light. Store in a cool, dry, well-ventilated area at temperatures recommended for the specific grade, typically between 15-25°C. Due to its hygroscopic and easily oxidized nature, prolonged exposure to air and moisture must be avoided to prevent premature reaction and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Isocyanate (NCO) Content	As per grade (e.g., 2.0 - 6.0 %)
Hydroxyl Value (mg KOH/g)	As per grade
Viscosity @ 25°C (cPs)	As per grade
Moisture Content (Karl Fischer)	≤ 0.05 %
Specific Gravity @ 25°C	As per grade

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