Description

Hexanedioic Acid, Polymer With 1,2-Ethanediol And 1,1-Methylenebis4-Isocyanatocyclohexane, 2-Hydroxyethyl Acrylate-Blocked is a specialized, blocked polyurethane prepolymer designed for high-performance applications. This advanced material is valued for its ability to provide durable, flexible, and chemically resistant properties upon curing. It is primarily sought after by formulators in the coatings, adhesives, sealants, and elastomers (CASE) industries, where controlled reactivity and enhanced shelf stability are critical.

Application

• High-Performance Coatings: Used as a key binder in industrial, automotive, and protective coatings requiring excellent chemical resistance, flexibility, and durability.
• Adhesives and Sealants: Serves as a base polymer for formulating one-component (1K) systems that cure upon exposure to heat or atmospheric moisture, offering strong bonding and sealing properties.
• Elastomers and Castables: Employed in the production of flexible molds, gaskets, and impact-resistant components where toughness and resilience are paramount.
• Fiber Optic Coatings: Provides a protective, flexible buffer layer for optical fibers, safeguarding against mechanical stress and environmental factors.
• Textile and Leather Finishes: Imparts water resistance, flexibility, and a soft hand feel to coated fabrics and synthetic leather.
• Electronic Encapsulants: Used for potting and protecting sensitive electronic components due to its good electrical insulation and environmental sealing properties.

Basic Information

Product Name	Hexanedioic Acid, Polymer With 1,2-Ethanediol And 1,1-Methylenebis4-Isocyanatocyclohexane, 2-Hydroxyethyl Acrylate-Blocked
CAS No.	69011-32-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Blocked Polyurethane Prepolymer; HDI-based Blocked Prepolymer; Adipic Acid-Ethylene Glycol-H12MDI-HEA Polymer; 2-Hydroxyethyl Acrylate Blocked Aliphatic Polyurethane; Aliphatic Blocked Isocyanate Prepolymer; Polyurethane, polymer with 1,2-ethanediol and 1,1'-methylenebis[4-isocyanatocyclohexane], 2-hydroxyethyl acrylate-blocked; H12MDI/Adipic Acid/EG Prepolymer blocked with HEA
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards and batch-to-batch consistency. Key parameters such as blocked isocyanate content, viscosity, solids content, and color are strictly monitored. Certificates of Analysis (COA) detailing all test results 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 room temperature (15-25°C). Keep away from heat, sparks, and open flame. Under these conditions, the product has a typical shelf life of 12 months from the date of manufacture.

Specification

Item	Specification
Appearance	Clear to slightly hazy viscous liquid
Color (Gardner)	≤ 3
Solids Content	70 - 80 %
Viscosity (25°C)	2000 - 8000 mPa·s
Blocked NCO Content	4.0 - 7.0 %
Acid Value	≤ 2.0 mg KOH/g
Identification (IR)	Conforms

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