Description

1,3-Pentanediol, 2,2,4-Trimethyl-, Polymer With 1,3-Diisocyanatomethylbenzene Toluenediisocyanate, 2,2,4-Trimethyl-1,3-Pentanediol Polymer is a specialized polyurethane prepolymer or resin intermediate derived from the reaction of trimethylpentanediol and toluene diisocyanate (TDI). This compound matters for its role in producing high-performance, tailored polyurethane systems with specific mechanical and chemical resistance properties. Industrial manufacturers in coatings, adhesives, sealants, and elastomers (CASE) need it to formulate products requiring excellent durability, weatherability, and adhesion.

Application

• High-Performance Coatings & Paints: Used as a key resin component in automotive, industrial, and marine coatings for enhanced gloss retention, chemical resistance, and flexibility.
• Adhesives & Sealants: Serves as a building block for formulating strong, durable polyurethane adhesives and sealants with good bonding strength and environmental resistance.
• Elastomers & Castable Urethanes: Employed in the synthesis of polyurethane elastomers for applications requiring abrasion resistance, such as wheels, rollers, and industrial parts.
• Binder Systems: Acts as a polymeric binder in composite materials and specialty construction products.
• Waterborne Polyurethane Dispersions (PUDs): Can be modified and used in the development of environmentally friendly, low-VOC coating and adhesive systems.
• Industrial & Protective Coatings: Formulated into coatings for pipes, tanks, and structural steel that require long-term protection against corrosion and harsh weather.

Basic Information

Item	Details
Product Name	1,3-Pentanediol, 2,2,4-Trimethyl-, Polymer With 1,3-Diisocyanatomethylbenzene Toluenediisocyanate, 2,2,4-Trimethyl-1,3-Pentanediol Polymer
CAS No.	67907-27-1
Molecular Formula	Polymeric substance; base monomers: C8H18O2 and C9H6N2O2
Molecular Weight	Polymeric (Variable)
Synonyms	Trimethylpentanediol-TDI Polymer; TMPD-TDI Polymer; Poly(oxy(1,1,3,3-tetramethylbutylene)oxycarbonylimino(1,3-phenylenemethylene)iminocarbonyl); Toluene Diisocyanate Polymer with 2,2,4-Trimethyl-1,3-Pentanediol; TDI/TMPD Prepolymer; Urethane Prepolymer based on TMPD and TDI; CAS 67907-27-1
EINECS	Contact for details

Quality Control

Our production of this polymer adheres to strict quality management systems. Each batch is characterized for critical parameters including NCO content, viscosity, and residual monomer levels to ensure consistency and performance in downstream formulations. Certificates of Analysis (COA) detailing these specifications are provided with every shipment to guarantee traceability and compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. This material is hygroscopic (moisture-sensitive). Store in a cool, dry, well-ventilated area at room temperature (15-25°C/59-77°F). Keep containers tightly sealed to prevent moisture absorption and contamination, which can affect reactivity and product performance.

Specification

Item	Specification
Appearance	Clear, viscous liquid to pale yellow solid
NCO Content	Contact for details
Viscosity (25°C)	Contact for details
Solid Content	Contact for details
Residual TDI Monomer	< 0.5% (or per customer requirement)
Color (Gardner)	≤ 3
Specific Gravity (25°C)	~1.05 - 1.15

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