Description

Phenol, Reaction Products With 4,4'-Sulfonylbis[Benzenamine] And 2,4-Tdi is a specialized polymeric material synthesized from phenol, 4,4'-sulfonyldianiline (Dapsone), and 2,4-toluene diisocyanate (2,4-TDI). This compound is engineered to deliver enhanced thermal stability and robust mechanical properties, making it a critical component in high-performance applications. It is primarily utilized in the formulation of advanced polyurethane and polyurea systems, serving industries that demand durable, chemically resistant materials.

Application

• High-Performance Coatings and Adhesives: As a key building block in polyurethane/polyurea formulations for industrial, marine, and automotive protective coatings and structural adhesives.
• Elastomer Manufacturing: Used in the synthesis of specialty elastomers requiring excellent abrasion resistance and dynamic performance.
• Composite Materials: Acts as a modifier or cross-linking agent in fiber-reinforced polymer (FRP) composites for the aerospace and automotive sectors.
• Sealants and Gaskets: Imparts chemical and thermal resistance in sealants used in harsh operating environments.
• Electrical Encapsulation: Employed in potting and encapsulation compounds for electronic components due to its insulating properties.
• Industrial Resin Systems: Serves as an intermediate in the production of advanced thermosetting resins for molding applications.

Basic Information

Product Name	Phenol, Reaction Products With 4,4'-Sulfonylbis[Benzenamine] And 2,4-Tdi
CAS No.	321860-75-7
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Phenol-dapsone-TDI adduct; Phenol polymer with 4,4'-sulfonyldianiline and 2,4-toluene diisocyanate; Reaction product of phenol, 4,4'-diaminodiphenyl sulfone, and 2,4-TDI; Poly(phenol-dapsone-urethane); TDI-Dapsone-Phenol copolymer; 4,4'-Sulfonylbis[benzenamine], polymer with phenol and 2,4-toluene diisocyanate; Phenolic-urethane polymer based on Dapsone
EINECS	Contact for details

Quality Control

Our production of Phenol, Reaction Products With 4,4'-Sulfonylbis[Benzenamine] And 2,4-Tdi adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing to ensure consistency in composition, functionality, and performance. Certificates of Analysis (COA) detailing key parameters such as amine value, isocyanate content, viscosity, and thermal properties are available upon request to support your quality assurance and R&D processes.

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). This material is hygroscopic (moisture-sensitive); containers must be kept sealed to prevent absorption of atmospheric moisture, which can affect product performance. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Amber to brown solid or viscous liquid
Identification (IR)	Conforms
Assay (Functional Group)	Contact for details
Viscosity	Contact for details
Moisture Content	< 0.5%
Softening Point / Tg	Contact for details

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