Description

1,3-Pentanediol,2,2,4-Trimethyl-, Polymer With 1,6-Diisocyanatohexane is a specialized polyurethane prepolymer derived from a branched diol and a linear diisocyanate. This compound is valued for its role as a versatile building block, offering tailored properties such as flexibility, adhesion, and chemical resistance to final polymer formulations. It is primarily sought by manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries, as well as for advanced material synthesis.

Application

• Polyurethane Coatings: Serves as a key resin component in high-performance protective and decorative coatings for industrial, automotive, and architectural applications.
• Adhesives & Sealants: Used in formulating polyurethane-based adhesives and sealants that require strong bonding, flexibility, and durability.
• Elastomers: Acts as a prepolymer in the production of castable, thermoplastic, or millable polyurethane elastomers for gaskets, wheels, and industrial parts.
• Resin Modification: Employed to modify the properties of other polymer systems, enhancing toughness, weatherability, or chemical resistance.
• Composite Materials: Utilized as a matrix resin or toughening agent in fiber-reinforced composites and advanced material systems.
• Specialty Binders: Functions as a binder in specialty applications such as foundry cores, abrasives, or non-woven fabrics.

Basic Information

Product Name	1,3-Pentanediol,2,2,4-Trimethyl-, Polymer With 1,6-Diisocyanatohexane
CAS No.	81217-96-1
Molecular Formula	(C8H18O2 • C8H12N2O2)n
Molecular Weight	Polymer - Contact for details
Synonyms	Poly(oxy-1,5-hexanediyloxycarbonylimino-1,5-hexanediyliminocarbonyloxy-2,2,4-trimethyl-1,3-pentanediyl); Polyurethane prepolymer from 2,2,4-trimethyl-1,3-pentanediol and hexamethylene diisocyanate; HDI-TMPD prepolymer; Hexamethylene diisocyanate polymer with 2,2,4-trimethyl-1,3-pentanediol; Trimethylpentanediol-Hexamethylenediisocyanate copolymer; Poly(hexamethylene urethane) based on TMPD; TMPD/HDI polymer
EINECS	Contact for details

Quality Control

Our production of this polyurethane prepolymer adheres to strict quality management protocols. Each batch is characterized for critical parameters including isocyanate (NCO) content, viscosity, and residual monomer levels to ensure consistency and performance. Certificates of Analysis (COA) detailing these specifications are available upon request, supporting 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 room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); exposure to atmospheric moisture will lead to reaction and viscosity increase. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
NCO Content	Contact for details
Viscosity @ 25°C	Contact for details
Specific Gravity @ 25°C	Contact for details
Residual HDI Monomer	< 0.1% (by HPLC)
Water Content (Karl Fischer)	< 0.05%

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