Description

Fatty Acids, Tall-Oil, Polymers With Pentaerythritol, Phthalic Anhydride And 2,4-Tdi is a specialized polymeric resin derived from tall oil fatty acids, pentaerythritol, phthalic anhydride, and toluene diisocyanate. This compound is engineered to deliver enhanced durability, flexibility, and adhesion in demanding industrial formulations. It is primarily utilized by manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries seeking high-performance resin components. Its unique polymer structure provides excellent compatibility and performance characteristics for advanced material science applications.

Application

• High-Performance Industrial Coatings: Used as a resin modifier in alkyd and polyurethane coatings for improved weatherability, gloss, and chemical resistance.
• Adhesives and Sealants: Serves as a key polymeric backbone in structural and flexible adhesive formulations, enhancing bond strength and elasticity.
• Elastomer Production: Acts as a prepolymer or cross-linking agent in the manufacture of polyurethane elastomers and rubbers.
• Ink Resins: Employed in specialty printing inks to improve pigment wetting, film formation, and substrate adhesion.
• Composite Materials: Used as a matrix resin or toughening agent in fiber-reinforced plastics and other composite systems.
• Corrosion Protective Coatings: Formulated into primers and topcoats for metal substrates in marine, automotive, and industrial maintenance applications.

Basic Information

Item	Details
Product Name	Fatty Acids, Tall-Oil, Polymers With Pentaerythritol, Phthalic Anhydride And 2,4-Tdi
CAS No.	128683-23-8
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Tall oil fatty acid-pentaerythritol-phthalic anhydride-TDI polymer; TOFA-PE-PA-TDI copolymer; Polymeric resin from tall oil fatty acids, pentaerythritol, phthalic anhydride, and toluene diisocyanate; TDI-modified alkyd resin; Urethane-modified alkyd resin; Tall oil alkyd urethane; CAS 128683-23-8
EINECS	Contact for details

Quality Control

Our production of this polymeric resin adheres to strict quality management systems to ensure batch-to-batch consistency and performance reliability. Quality is verified through parameters including acid value, hydroxyl value, viscosity, solids content, and color. A Certificate of Analysis (COA) documenting these specifications is provided with each shipment. We 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). This material is hygroscopic (moisture-sensitive) and should be kept under dry conditions to prevent moisture uptake, which can affect reactivity and performance. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Viscous liquid to solid resin
Color (Gardner)	≤ 12
Acid Value (mg KOH/g)	≤ 10
Hydroxyl Value (mg KOH/g)	Contact for details
Viscosity (at 25°C)	Contact for details
Non-Volatile Matter (Solids)	≥ 98%
Identification (IR)	Conforms

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