Description

Propanoic acid,3-hydroxy-2-(hydroxymethyl)-2-methyl-,polymer with hydrazine, .alpha.-hydro-.omega.-hydroxypoly(oxy-1,4-butanediyl) and 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane is a specialized polyurethane prepolymer or polymer derived from a complex polyol and isophorone diisocyanate (IPDI). This compound matters as a high-performance building block for formulating advanced polyurethane systems with tailored properties. It is primarily needed by manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries seeking enhanced durability, chemical resistance, and weatherability in their final products.

Application

• High-Performance Coatings: Used as a key resin component in two-component polyurethane coatings for industrial, automotive, and marine applications requiring excellent gloss retention and resistance to chemicals and abrasion.
• Specialty Adhesives & Sealants: Serves as a prepolymer in formulating structural adhesives and flexible sealants with strong bonding strength and good elongation properties.
• Elastomer Production: Acts as a precursor for casting or molding polyurethane elastomers used in rollers, wheels, and industrial parts that demand a balance of toughness and resilience.
• Composite Materials: Employed in the production of fiber-reinforced composites and potting compounds, providing robust matrix properties.
• Waterborne Polyurethane Dispersions (PUDs): Can be modified and dispersed in water to create more environmentally friendly coating and adhesive formulations.

Basic Information

Product Name	Propanoic acid,3-hydroxy-2-(hydroxymethyl)-2-methyl-,polymer with hydrazine, .alpha.-hydro-.omega.-hydroxypoly(oxy-1,4-butanediyl) and 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane
CAS No.	72076-58-5
Molecular Formula	Complex Polymer / Prepolymers (Contact for details)
Molecular Weight	Variable (Contact for details)
Synonyms	Polyurethane prepolymer based on IPDI and a polyol blend; Isophorone diisocyanate (IPDI) polymer with poly(tetramethylene ether) glycol and dimethylolpropionic acid derivative; Polyurethane resin, aliphatic; IPDI-based polyurethane prepolymer; Poly(tetramethylene ether) glycol - IPDI - DMPA polymer; Aliphatic polyurethane dispersion resin intermediate; CAS 72076-58-5
EINECS	Contact for details

Quality Control

Our Propanoic acid,3-hydroxy-2-(hydroxymethyl)-2-methyl-,polymer with hydrazine, .alpha.-hydro-.omega.-hydroxypoly(oxy-1,4-butanediyl) and 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane undergoes rigorous quality testing to ensure batch-to-batch consistency and performance. Key parameters such as NCO content, viscosity, solids content, and acid value are strictly monitored. Certificates of Analysis (COA) detailing these specifications are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at temperatures recommended for polyurethane prepolymers (typically between 15-25°C). This product is hygroscopic (moisture-sensitive); containers must be kept sealed to prevent contact with atmospheric moisture, which can cause premature reaction and gelation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Clear to slightly hazy viscous liquid
Color (Gardner)	≤ 3
NCO Content (%)	Contact for details
Solids Content (%)	Contact for details
Viscosity (at 25°C, mPa·s)	Contact for details
Acid Value (mg KOH/g)	Contact for details
Density (g/cm³ at 20°C)	~1.05 - 1.10

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