Description

Hexanedioic Acid, Polymer With 2,2-Dimethyl-1,3-Propanediol, 1,6-Hexanediol, 1,1-Methylenebis4-Isocyanatobenzene And Oxybispropanol is a specialized polyurethane prepolymer or resin derived from a precise formulation of diacids, diols, and diisocyanates. This engineered polymer is valued for its ability to impart enhanced mechanical properties, chemical resistance, and tailored flexibility to final products. It is primarily utilized by formulators in the coatings, adhesives, sealants, and elastomers (CASE) industries seeking high-performance, durable materials.

Application

• High-Performance Coatings: Used as a key resin component in industrial, automotive, and protective coatings for superior durability, gloss, and chemical resistance.
• Advanced Adhesives & Sealants: Serves as a base polymer for formulating structural adhesives, potting compounds, and flexible sealants with excellent bonding strength.
• Specialty Elastomers: Employed in the production of cast polyurethane elastomers for rollers, wheels, and industrial parts requiring a balance of toughness and elasticity.
• Composite Materials: Acts as a matrix resin or modifier in fiber-reinforced composites to improve impact resistance and interfacial adhesion.
• Encapsulation and Potting: Provides a protective, insulating barrier for electronic components due to its potential for good electrical properties and environmental sealing.
• Textile and Leather Finishes: Used in coatings and finishes to enhance water repellency, abrasion resistance, and feel.

Basic Information

Product Name	Hexanedioic Acid, Polymer With 2,2-Dimethyl-1,3-Propanediol, 1,6-Hexanediol, 1,1-Methylenebis[4-Isocyanatobenzene] And Oxybis[propanol]
CAS No.	119657-58-8
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Polyurethane prepolymer based on adipic acid, neopentyl glycol, 1,6-hexanediol, MDI, and dipropylene glycol; Adipic acid/neopentyl glycol/1,6-hexanediol/MDI/dipropylene glycol copolymer; Polyester polyurethane resin; PU prepolymer; Aliphatic polyester-based polyurethane; MDI-based polyurethane resin; Copolymer of adipic acid, 2,2-dimethyl-1,3-propanediol, hexamethylene glycol, 4,4'-methylenebis(phenyl isocyanate), and oxybis(propanol)
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 including viscosity, hydroxyl value, isocyanate content (NCO%), and acid number to ensure it meets precise formulation requirements. A comprehensive Certificate of Analysis (COA) detailing all relevant specifications is provided with each shipment to guarantee performance and traceability.

Storage

Preserve in a tightly closed container, protected from light and moisture. Store in a cool, dry, well-ventilated area at room temperature (15-25°C/59-77°F). Keep away from heat, open flames, and sources of ignition. Under these conditions, the product is typically stable for 12-24 months from the date of manufacture. Always check the specific technical data sheet for the grade in use.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Viscosity @ 25°C	Contact for details
Hydroxyl Value (OH#)	Contact for details
Acid Value	≤ 2.0 mg KOH/g
Solid Content	Contact for details
Color (Gardner)	≤ 3
Moisture Content (KF)	≤ 0.1%

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