Description

Oxirane, Methyl-, Polymer With Oxirane, Ether With 1,2,3-Propanetriol (3:1), Polymer With 1,3-Diisocyanatomethylbenzene is a specialized polyether-polyurethane block copolymer, synthesized from propylene oxide, ethylene oxide, glycerol, and toluene diisocyanate (TDI). This engineered polymer is valued for its unique combination of flexibility, adhesion, and chemical resistance derived from its segmented structure. It is primarily utilized in industrial formulations requiring durable, high-performance elastomeric properties and as a reactive intermediate in advanced material synthesis.

Application

• High-Performance Elastomers and Sealants: A key component in formulating flexible, abrasion-resistant polyurethane elastomers for gaskets, seals, and industrial rollers.
• Adhesive and Binder Systems: Serves as a polyol component in polyurethane-based adhesives, binders, and coatings, offering excellent substrate adhesion and toughness.
• Specialty Coatings and Resins: Used in the synthesis of coatings for textiles, leather finishing, and protective industrial coatings that demand flexibility and chemical resistance.
• Polymer Modification and Additives: Acts as a compatibilizer or impact modifier to enhance the properties of other polymer blends and composites.
• Foam Stabilization: Employed as a cell-opening or stabilizing surfactant in the production of specific flexible polyurethane foam systems.
• Encapsulation and Potting Compounds: Suitable for formulating resilient potting compounds in electronics and electrical applications.

Basic Information

Product Name	Oxirane, Methyl-, Polymer With Oxirane, Ether With 1,2,3-Propanetriol (3:1), Polymer With 1,3-Diisocyanatomethylbenzene
CAS No.	57516-88-8
Molecular Formula	Contact for details
Molecular Weight	Variable (Polymer)
Synonyms	Poly(oxy(methyl-1,2-ethanediyl)), α-hydro-ω-hydroxy-, ether with 1,2,3-propanetriol (3:1), polymer with 1,3-diisocyanatomethylbenzene; Polyoxypropylene-polyoxyethylene glycerol ether TDI polymer; TDI-terminated PO/EO polyol block copolymer; Polyether polyurethane polyol based on glycerol, PO, EO, and TDI; Poly(propylene oxide)-poly(ethylene oxide) glycerol ether toluene diisocyanate polymer; Block copolymer of polyoxypropylene, polyoxyethylene, glycerol, and toluene diisocyanate; Polyurethane prepolymer based on alkoxylated glycerol
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 hydroxyl value, isocyanate content, viscosity, and molecular weight distribution are rigorously monitored. Certificates of Analysis (COA) detailing all relevant specifications are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at temperatures between 15-25°C (59-77°F). This product is hygroscopic (moisture-sensitive) and should be kept under a dry inert atmosphere (e.g., nitrogen) to prevent moisture absorption and premature reaction. Isolate from strong oxidizing agents, acids, and bases.

Specification

Item	Specification
Appearance	Clear, viscous liquid to pale yellow solid
Hydroxyl Value (mg KOH/g)	Contact for details
Isocyanate Content (NCO %)	Contact for details
Viscosity @ 25°C (cPs)	Contact for details
Water Content (Karl Fischer)	< 0.1%
Specific Gravity @ 25°C	Contact for details
Identification (IR)	Conforms

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