Description

Hexanedioic acid, polymer with 1,3-diisocyanatomethylbenzene, 1,2-ethanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol, 1,1'-methylenebis[4-isocyanatobenzene] and 2,2'-oxybis[ethanol] is a specialized polyurethane prepolymer or resin derived from a complex mixture of diacids, diols, and diisocyanates. This engineered polymer is valued for its ability to impart a precise balance of flexibility, chemical resistance, and durability in high-performance coatings and adhesives. It is primarily sought by formulators in the coatings, elastomers, and specialty adhesive industries who require tailored polymer backbones for demanding applications.

Application

• High-performance industrial and protective coatings for metal, concrete, and plastic substrates.
• Elastomer and sealant formulations requiring enhanced weatherability and mechanical properties.
• Specialty adhesives and binders for composite materials and automotive components.
• Potting and encapsulation compounds in electrical and electronic applications.
• Modifier for other polymer systems to improve toughness, adhesion, or chemical resistance.
• Fiber and fabric coatings to provide water resistance and durability.

Basic Information

Item	Detail
Product Name	Hexanedioic acid, polymer with 1,3-diisocyanatomethylbenzene, 1,2-ethanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol, 1,1'-methylenebis[4-isocyanatobenzene] and 2,2'-oxybis[ethanol]
CAS No.	67815-85-4
Molecular Formula	Polymeric substance; Contact for details
Molecular Weight	Polymeric substance; Contact for details
Synonyms	Polyurethane resin based on hexanedioic acid, TDI/MDI mixed polyol prepolymer; Adipic acid polymer with TDI, ethylene glycol, trimethylolpropane, MDI, and diethylene glycol; Polyurethane prepolymer CAS 67815-85-4; Isocyanate-terminated polyurethane oligomer; PU prepolymer from mixed diisocyanates and polyols; Adipic acid-TDI-ethylene glycol-TMP-MDI-diethylene glycol copolymer
EINECS	Contact for details

Quality Control

Our production of this polyurethane polymer adheres to strict batch-to-batch consistency protocols. Quality is verified through parameters such as isocyanate (NCO) content, viscosity, solids content, and color. A Certificate of Analysis (COA) detailing the specific results for each lot is provided to ensure it meets your formulation requirements and supports your own quality management systems.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). Moisture-sensitive; keep container tightly sealed to prevent reaction with atmospheric humidity. Keep away from heat and open flames.

Specification

Item	Specification
Appearance	Viscous liquid to solid
Color (Gardner)	≤ 3
Viscosity (at 25°C)	Specification available upon request
NCO Content (%)	Specification available upon request
Solids Content (%)	Specification available upon request
Acid Value (mg KOH/g)	≤ 1.0
Hydroxyl Value (mg KOH/g)	Specification available upon request

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