Description

Fatty acids, C18-unsatd., dimers, diisocyanates, polymers with 2,3-bis(.gamma.-.omega.-perfluoro-C4-18-alkyl)-1,4-butanediol, 1,6-diisocyanato-2,2,4(or 2,4,4)-trimethylhexane and 2,2-(methylimino)bisethanol is a specialized fluorinated polyurethane prepolymer designed to impart exceptional surface properties. This advanced material combines the flexibility and adhesion of fatty acid-based polyols with the outstanding oil, water, and chemical repellency of long-chain perfluoroalkyl groups. It is engineered for industrial formulators seeking to create high-performance, durable coatings and surface treatments with low surface energy and enhanced release characteristics.

Application

• High-Performance Industrial Coatings: Used as a key additive or resin component in coatings for textiles, leather, and nonwovens to provide durable water and oil repellency (DWR/DOR).
• Specialty Release Agents: Formulated into mold release agents for plastics, rubber, and composite manufacturing, facilitating clean demolding.
• Paper and Packaging Treatments: Imparts grease resistance and moisture barrier properties to food packaging, cardboard, and specialty papers.
• Textile Finishing: Serves as a critical fluorochemical in finishes for outdoor apparel, upholstery, and technical textiles requiring stain and soil resistance.
• Adhesive and Sealant Modification: Incorporated to modify the surface properties of adhesives and sealants, improving their performance in challenging environments.
• Stone and Masonry Protection: Used in formulations for protective coatings that repel water, oil, and graffiti on porous building materials.

Basic Information

Item	Details
Product Name	Fatty acids, C18-unsatd., dimers, diisocyanates, polymers with 2,3-bis(.gamma.-.omega.-perfluoro-C4-18-alkyl)-1,4-butanediol, 1,6-diisocyanato-2,2,4(or 2,4,4)-trimethylhexane and 2,2-(methylimino)bisethanol
CAS No.	68990-40-9
Molecular Formula	Complex Polymer Mixture
Molecular Weight	Polymer Distribution
Synonyms	Perfluorinated polyurethane prepolymer; Fluorinated fatty acid dimer diisocyanate polymer; Polyurethane, fluorinated alkyl-modified; 2,3-Bis(.gamma.-.omega.-perfluoro-C4-18-alkyl)-1,4-butanediol polymer with fatty acid dimers and diisocyanates; Fluorochemical polyurethane resin; Fluorotelomer-based polyurethane oligomer; Water/oil repellent polymer; Stain repellent resin.
EINECS	Contact for details

Quality Control

Our production of this fluorinated polyurethane polymer adheres to strict quality management protocols. Each batch is characterized for critical parameters including fluorine content, isocyanate value (NCO%), viscosity, and solid content to ensure consistent performance in your formulations. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing the specifications and test results. Our quality system is designed to support compliance with relevant global regulatory frameworks for industrial chemicals.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. This material is moisture-sensitive; ensure containers are sealed tightly after use to prevent reaction with atmospheric moisture. Store away from strong bases and amines.

Specification

Item	Specification
Appearance	Viscous liquid to semi-solid
Color	Pale yellow to amber
Solid Content	Contact for details
Viscosity (at 25°C)	Contact for details
Isocyanate Value (NCO%)	Contact for details
Fluorine Content	Contact for details
Solvent	Typically supplied in organic solvent

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