Description

Poly[oxy(methyl-1,2-ethanediyl)], α,α'-1,2-ethanediylbis[ ω-hydroxy-, polymer with α-hydro-ω-hydroxypoly[ oxy(methyl-1,2-ethanediyl)] and 1,1'-methylenebis[isocyanatobenzene] is a specialized polyurethane prepolymer or polyol-based polymer. This compound is engineered to deliver exceptional performance as a reactive intermediate in the synthesis of high-performance polyurethane materials. It is primarily needed by manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries seeking to enhance product durability, flexibility, and chemical resistance.

Application

• High-Performance Polyurethane Coatings: Used as a key resin component in industrial, protective, and marine coatings for superior weatherability and abrasion resistance.
• Elastomer and Sealant Formulation: Serves as a prepolymer for producing flexible and rigid polyurethane elastomers and sealants with excellent mechanical properties.
• Adhesive Binders: Acts as a reactive binder in structural and laminating adhesives, providing strong bonding and cohesion.
• Composite Materials: Utilized in the production of fiber-reinforced plastics and other composite materials to improve matrix toughness.
• Specialty Foams: Can be formulated into microcellular foams or other specialty foam products requiring specific density and resilience.
• Potting and Encapsulation Compounds: Employed in electronics and electrical applications to protect components from moisture and mechanical stress.

Basic Information

Product Name	Poly[oxy(methyl-1,2-ethanediyl)], α,α'-1,2-ethanediylbis[ ω-hydroxy-, polymer with α-hydro-ω-hydroxypoly[ oxy(methyl-1,2-ethanediyl)] and 1,1'-methylenebis[isocyanatobenzene]
CAS No.	68092-68-2
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Polyurethane prepolymer based on poly(propylene glycol) and MDI; Polyoxypropylene diol, polymer with methylenebis(phenyl isocyanate); MDI-terminated polypropylene glycol; Poly(propylene glycol) tolylene 2,4-diisocyanate polymer; Polyoxypropylene glycol, bis(4-isocyanatophenyl)methane-terminated; PPG-MDI prepolymer; 4,4'-Methylenebis(phenyl isocyanate), polymer with α-hydro-ω-hydroxypoly(oxy-1,2-ethanediyl); Polyether polyurethane prepolymer
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure batch-to-batch consistency and compliance with industry standards. Key parameters such as isocyanate (NCO) content, viscosity, and hydroxyl value are strictly monitored. Certificates of Analysis (COA) detailing all specifications are available upon request to support your quality assurance protocols.

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); containers must be kept sealed to prevent contact with atmospheric moisture, which can lead to premature reaction and gelation.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
NCO Content	Contact for details
Viscosity (25°C)	Contact for details
Hydroxyl Value	Contact for details
Specific Gravity (25°C)	Contact for details
Moisture Content	< 0.05%

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