Description

Methyloxirane Polymer With 1,1'-Methylenebis[Isocyanatobenzene] And Oxirane, Polyethylene Glycol Mono-Me Ether-Blocked is a specialized polyurethane prepolymer or polymer, chemically blocked for stability and controlled reactivity. This engineered material is valued for its ability to provide tailored performance characteristics in demanding formulations. It is primarily utilized by manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries seeking advanced polymer properties.

Application

• High-Performance Coatings: Used as a key resin component in polyurethane-based industrial, automotive, and protective coatings requiring chemical resistance and durability.
• Adhesives & Sealants: Serves as a base polymer in formulating structural adhesives, laminating adhesives, and flexible sealants with strong bonding and elastic properties.
• Elastomer Production: Employed in the manufacture of castable polyurethane elastomers for rollers, wheels, and industrial parts.
• Composite Materials: Acts as a matrix resin or modifier in fiber-reinforced composites to enhance toughness and interfacial adhesion.
• Textile & Leather Finishing: Utilized in coatings and binders to provide water resistance, flexibility, and abrasion resistance to fabrics and synthetic leather.
• Controlled-Release Systems: Potential use in encapsulation and controlled-release applications due to its blocked isocyanate functionality.

Basic Information

Item	Details
Product Name	Methyloxirane Polymer With 1,1'-Methylenebis[Isocyanatobenzene] And Oxirane, Polyethylene Glycol Mono-Me Ether-Blocked
CAS No.	206072-39-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Poly(oxy(methyl-1,2-ethanediyl)), α-hydro-ω-hydroxy-, polymer with 1,1'-methylenebis[isocyanatobenzene] and oxirane, mono-Me ether-blocked; Polyethylene glycol monomethyl ether-blocked methyloxirane-MDI copolymer; MDI-based polyurethane prepolymer, PEG monomethyl ether blocked; Blocked polyurethane prepolymer; Polyether polyol blocked isocyanate; Reactive polyurethane intermediate.
EINECS	Contact for details

Quality Control

Our production of this specialty polymer adheres to stringent quality protocols to ensure batch-to-batch consistency and performance reliability. Quality is verified through parameters including blocked isocyanate content, viscosity, hydroxyl value, and moisture content. A comprehensive Certificate of Analysis (COA) documenting all test results is provided with each shipment to support your quality assurance 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). Keep the container tightly sealed when not in use to prevent moisture absorption, which can affect product performance.

Specification

Item	Specification
Appearance	Viscous liquid
Color (Gardner)	≤ 3
Viscosity (at 25°C)	Contact for details
Blocked NCO Content	Contact for details
Hydroxyl Value (mg KOH/g)	Contact for details
Solid Content	Contact for details
Moisture Content (Karl Fischer)	≤ 0.1%
Identification (IR)	Conforms

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