Description

1,3-Butanediol, Polymer With 1,6-Diisocyanatohexane is a specialized polyurethane prepolymer derived from the controlled reaction of 1,3-butanediol and 1,6-diisocyanatohexane (HDI). This compound serves as a critical building block for formulating high-performance, aliphatic polyurethane systems, offering excellent weatherability and color stability. It is essential for manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries seeking to develop durable, light-stable products.

Application

• High-Performance Coatings: A key resin component for automotive clear coats, industrial maintenance paints, and aerospace coatings requiring superior UV resistance and gloss retention.
• Elastomers and Sealants: Used in the synthesis of flexible, abrasion-resistant polyurethane elastomers for industrial parts, rollers, and high-durability sealants.
• Adhesives: Serves as a prepolymer for structural and laminating adhesives that demand strong bonding and environmental resilience.
• Specialty Resins: Acts as a reactive intermediate for custom polyurethane resins used in composite materials and industrial fabric coatings.
• Textile Finishes: Employed in formulating durable, flexible coatings for technical textiles and synthetic leather.

Basic Information

Product Name	1,3-Butanediol, Polymer With 1,6-Diisocyanatohexane
CAS No.	81217-97-2
Molecular Formula	(C10H16N2O4)n
Molecular Weight	Varies (Polymer)
Synonyms	HDI-BDO Prepolymer; Poly(hexamethylene 1,3-butanediyl urethane); 1,6-Hexamethylene Diisocyanate Polymer with 1,3-Butanediol; Aliphatic Polyurethane Prepolymer; HDI-based Polyurethane Resin; Polyurethane from HDI and 1,3-Butanediol; 1,3-Butylene Glycol-HDI Polymer
EINECS	Contact for details

Quality Control

Our production of 1,3-Butanediol, Polymer With 1,6-Diisocyanatohexane adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. Key parameters such as NCO content, viscosity, and residual monomer levels are rigorously tested. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance and regulatory compliance needs.

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 polyurethane prepolymers (typically below 25°C / 77°F). Keep away from heat, open flames, and sources of moisture to prevent premature curing or degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
NCO Content	Contact for details
Viscosity (25°C)	Contact for details
Residual HDI Monomer	< 0.5% (by HPLC)
Specific Gravity (25°C)	Contact for details
Solubility	Soluble in common polar aprotic solvents

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