Description

Hexanedioic Acid, Polymer With 1,4-Butanediol, .Alpha.-Hydro-.Omega.-Hydroxypoly(Oxy-1,4-Butanediyl) And 1,1-Methylenebis4-Isocyanatobenzene, Block is a specialized segmented polyurethane or polyurethane-urea copolymer, engineered to deliver a unique balance of mechanical strength and chemical resistance. This block copolymer is crucial for formulators seeking to enhance the durability, flexibility, and performance of high-end polymeric materials. It is primarily utilized by manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries, as well as in advanced material science for creating tailored polymer matrices.

Application

• High-Performance Coatings: Used as a resin component in durable protective coatings for industrial equipment, automotive components, and marine applications, offering excellent weatherability and chemical resistance.
• Advanced Adhesives & Sealants: Serves as a key polymer backbone in structural adhesives and flexible sealants, providing strong bonding and long-term elasticity.
• Specialty Elastomers: Formulated into thermoplastic polyurethanes (TPU) or cast elastomers for parts requiring a combination of toughness, abrasion resistance, and hydrolysis stability.
• Polymer Modification: Acts as a compatibilizer or toughening agent in polymer blends and composites to improve impact strength and thermal properties.
• Medical Device Components: Potential use in the fabrication of specific, biocompatible polymer parts where its block structure can be tailored for desired physical properties.
• Fiber & Film Production: Employed in the synthesis of high-tenacity synthetic fibers or specialty films with enhanced mechanical characteristics.

Basic Information

Product Name	Hexanedioic Acid, Polymer With 1,4-Butanediol, .Alpha.-Hydro-.Omega.-Hydroxypoly(Oxy-1,4-Butanediyl) And 1,1-Methylenebis4-Isocyanatobenzene, Block
CAS No.	110680-75-6
Molecular Formula	Contact for details
Molecular Weight	Variable (Polymer)
Synonyms	Poly(hexamethylene adipate) urethane block copolymer; Adipic acid/1,4-butanediol/PTMG/MDI copolymer; Poly(tetramethylene ether glycol)-b-poly(adipate) urethane; PTMG-Adipate-MDI-Butanediol copolymer; Segmented poly(ether ester urethane); Thermoplastic polyurethane elastomer based on adipic acid, butanediol, PTMG, and MDI; 4,4'-Methylenebis(phenyl isocyanate) polymer with .alpha.-hydro-.omega.-hydroxypoly(oxy-1,4-butanediyl) and adipic acid-1,4-butanediol polyester
EINECS	Contact for details

Quality Control

Our production of this advanced polymer adheres to rigorous quality management systems. Each batch is characterized for critical parameters including molecular weight distribution, block composition, and thermal properties to ensure consistent performance. Certificates of Analysis (COA) detailing specifications such as viscosity, hydroxyl value, and isocyanate content are available upon request, supporting compliance with your formulation requirements.

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 material is moisture-sensitive (hygroscopic) and may degrade upon prolonged exposure to high humidity or elevated temperatures. Keep away from strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white pellets or granules
Identification (IR)	Conforms to structure
Inherent Viscosity	Contact for details
Hydroxyl Value (mg KOH/g)	Contact for details
Melting Point (DSC)	Contact for details
Moisture Content (KF)	< 0.1 %
Residual Monomers (HPLC)	< 0.5 %

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