Description

Polyoxy(methyl-1,2-ethanediyl), .alpha.,.alpha.,.alpha.-1,2,3-propanetriyltris.omega.-hydroxy-, polymer with .alpha.-hydro-.omega.-hydroxypolyoxy(methyl-1,2-ethanediyl) and 1,1-methylenebisisocyanatobenzene is a specialized polyether-polyurethane block copolymer, designed for high-performance applications requiring tailored rheological and mechanical properties. Its value lies in its ability to act as a versatile polymeric modifier, compatibilizer, or functional intermediate, offering precise control over material characteristics. This product is essential for formulators and manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries, as well as for advanced material research and development.

Application

• High-Performance Coatings: Used as a rheology modifier and film-forming agent to enhance durability, flexibility, and chemical resistance in industrial and protective coatings.
• Adhesives & Sealants: Serves as a key polymeric backbone or prepolymer to improve adhesion strength, elasticity, and environmental stability in structural and specialty formulations.
• Elastomer Production: Acts as a soft segment or chain extender in the synthesis of thermoplastic polyurethanes (TPU) and other elastomers, tailoring hardness and resilience.
• Polymer Modification: Employed as a compatibilizer or impact modifier to enhance the properties of polymer blends and composites.
• Biomedical Materials: Potential use in controlled-release systems or biocompatible matrices due to its tunable polyether-polyurethane structure.
• Specialty Additives: Functions as a dispersant or stabilizer in complex formulations requiring polymeric surfactants.

Basic Information

Product Name	Polyoxy(methyl-1,2-ethanediyl), .alpha.,.alpha.,.alpha.-1,2,3-propanetriyltris.omega.-hydroxy-, polymer with .alpha.-hydro-.omega.-hydroxypolyoxy(methyl-1,2-ethanediyl) and 1,1-methylenebisisocyanatobenzene
CAS No.	150409-28-2
Molecular Formula	Contact for details
Molecular Weight	Variable (Polymer)
Synonyms	Poly(oxy(methyl-1,2-ethanediyl)), alpha,alpha,α-1,2,3-propanetriyltris(ω-hydroxy)-, polymer with α-hydro-ω-hydroxypoly(oxy(methyl-1,2-ethanediyl)) and methylenediphenyl diisocyanate; Polyether-polyurethane block copolymer; MDI-Polyether Prepolymer; Poly(propylene glycol) tolylene 2,4-diisocyanate terminated polymer; Polyoxypropylene triol-MDI copolymer; PPG-MDI Adduct; Polyurethane polyether prepolymer CAS 150409-28-2
EINECS	Contact for details

Quality Control

Our production of this advanced polymer adheres to strict quality management systems, ensuring batch-to-batch consistency and performance reliability. While specific grades are tailored to application needs, standard quality parameters include monitoring of isocyanate (NCO) content, hydroxyl value, viscosity, and molecular weight distribution. A comprehensive Certificate of Analysis (COA) detailing all relevant specifications is provided with each shipment 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 absorption of atmospheric moisture, which can affect product performance. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Viscous liquid to semi-solid
Color	Colorless to pale yellow
Identification (IR)	Conforms
Viscosity @ 25°C	Tailored to grade
Isocyanate (NCO) Content	Tailored to grade
Hydroxyl Value (mg KOH/g)	Tailored to grade
Moisture Content (Karl Fischer)	< 0.1%
Specific Gravity @ 25°C	~1.05 - 1.10

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