Description

1,3-Propanediol, 2-Ethyl-2-(Hydroxymethyl)-, Polymer With α-Hydro-ω-Hydroxypoly( Oxy-1,2-Ethanediyl) And 1,1'-Methylenebis[4-Isocyanatocyclohexane] is a high-performance, aliphatic polyurethane prepolymer or polyol derivative. This specialized polymer is engineered to provide exceptional durability, flexibility, and chemical resistance in demanding formulations. It is a critical raw material for manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries seeking to enhance product performance.

Application

• High-Performance Coatings: Used as a key component in formulating durable, flexible, and weather-resistant polyurethane coatings for automotive, industrial, and marine applications.
• Advanced Adhesives & Sealants: Serves as a building block for structural adhesives and elastic sealants requiring strong bonding, impact resistance, and longevity.
• Specialty Elastomers: Employed in the production of cast, thermoplastic, or millable polyurethane elastomers for gaskets, wheels, and industrial parts.
• Composite Materials: Acts as a matrix resin or modifier in fiber-reinforced composites to improve toughness and interlayer adhesion.
• Flexible Foams: Can be utilized in the formulation of specialized, high-resilience flexible polyurethane foams.
• Waterborne Polyurethane Dispersions (PUDs): A potential component for creating environmentally friendly, low-VOC coating and adhesive systems.

Basic Information

Product Name	1,3-Propanediol, 2-Ethyl-2-(Hydroxymethyl)-, Polymer With α-Hydro-ω-Hydroxypoly( Oxy-1,2-Ethanediyl) And 1,1'-Methylenebis[4-Isocyanatocyclohexane]
CAS No.	67554-43-2
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Polyurethane prepolymer based on TMP and H12MDI; Aliphatic polyether urethane prepolymer; Trimethylolpropane (TMP) started polyether polyol, H12MDI terminated; Poly(oxy-1,2-ethanediyl), α-hydro-ω-hydroxy-, polymer with 1,1'-methylenebis[4-isocyanatocyclohexane] and 2-ethyl-2-(hydroxymethyl)-1,3-propanediol; H12MDI/TMP polyether prepolymer; Cycloaliphatic polyurethane prepolymer; Polyether urethane resin; CAS 67554-43-2
EINECS	Contact for details

Quality Control

Our production of this polyurethane prepolymer adheres to strict quality management systems. Every batch undergoes rigorous analytical testing to ensure consistent properties such as NCO content, viscosity, and hydroxyl value. Certificates of Analysis (COA) detailing key specifications are provided with each shipment to guarantee compliance with your formulation requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Recommended storage temperature is between 15°C and 25°C. Keep away from heat, sparks, and open flame. Moisture-sensitive; keep container tightly sealed to prevent reaction with atmospheric humidity.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
NCO Content	Contact for details
Viscosity (25°C)	Contact for details
Hydroxyl Value (mg KOH/g)	Contact for details
Specific Gravity (25°C)	Contact for details
Solids Content	~100%
Color (Gardner)	≤ 2

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