Description

Hexanedioic acid, polymer with 1,4-butanediol, .alpha.-hydro-.omega.-hydroxypoly(oxy-1,4-butanediyl), .alpha.-hydro-.omega.-hydroxypoly(oxy-1,2-ethanediyl) and 1,1-methylenebis4-isocyanatocyclohexane is a specialized polyurethane prepolymer or segmented copolymer based on adipic acid, butanediol, polyether polyols, and an aliphatic diisocyanate. This engineered polymer offers a unique balance of flexibility, chemical resistance, and mechanical properties derived from its segmented structure. It is primarily utilized in high-performance coatings, adhesives, sealants, and elastomer applications where durability and specific material characteristics are critical.

Application

• High-Performance Coatings: Used as a key resin component in durable industrial, automotive, and protective coatings requiring excellent weatherability, chemical resistance, and flexibility.
• Adhesives & Sealants: Serves as a base polymer for formulating structural adhesives, potting compounds, and flexible sealants with strong bonding and elastic properties.
• Elastomers and Thermoplastic Polyurethanes (TPU): A precursor for manufacturing cast elastomers, fibers, films, and TPU granules used in automotive parts, industrial belts, and consumer goods.
• Composite Materials: Acts as a matrix or binder in composite systems, enhancing the interfacial adhesion between fillers and reinforcing materials.
• Textile & Leather Finishing: Employed in coatings and finishes for textiles and synthetic leather to provide water resistance, durability, and a soft hand feel.
• Specialty Resins for Casting: Used in the production of rollers, gaskets, and other molded parts that demand a specific combination of hardness and resilience.

Basic Information

Product Name	Hexanedioic acid, polymer with 1,4-butanediol, .alpha.-hydro-.omega.-hydroxypoly(oxy-1,4-butanediyl), .alpha.-hydro-.omega.-hydroxypoly(oxy-1,2-ethanediyl) and 1,1-methylenebis4-isocyanatocyclohexane
CAS No.	167883-18-3
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Polyurethane prepolymer based on H12MDI, adipic acid, and polyethers; Aliphatic polyether-based polyurethane resin; Adipic acid/butanediol/poly(tetramethylene ether) glycol/poly(ethylene glycol)/4,4'-methylenebis(cyclohexyl isocyanate) polymer; H12MDI-based polyurethane prepolymer; Poly(tetramethylene adipate) glycol - poly(ethylene glycol) - H12MDI copolymer; Segmented poly(urethane) copolymer; TPU precursor resin; 4,4'-Methylenebis(cyclohexyl isocyanate) polymer with adipic acid, 1,4-butanediol, PTMEG, and PEG
EINECS	Contact for details

Quality Control

Our production of this specialty polyurethane polymer adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. Key parameters such as NCO content, viscosity, hydroxyl value, and molecular weight distribution are rigorously monitored using advanced analytical techniques including titration, GPC, and FTIR. A comprehensive Certificate of Analysis (COA) detailing all relevant specifications is provided with each shipment to support your quality assurance processes.

Storage

Preserve in a tightly closed, moisture-proof container, protected from light. Store in a cool, dry, and well-ventilated area at temperatures recommended for the specific grade (typically between 15-25°C). This material is easily oxidized; for long-term storage, consider maintaining an inert atmosphere (e.g., under nitrogen blanket) to preserve product integrity. Keep away from heat, open flames, and incompatible materials such as strong acids, bases, and moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid or solid
Identification (IR)	Conforms to structure
NCO Content	Contact for details
Hydroxyl Value (mg KOH/g)	Contact for details
Viscosity (@ 25°C)	Contact for details
Specific Gravity	Contact for details
Moisture Content (Karl Fischer)	< 0.05%

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