Description

Tall Oil Fatty Acid, Trimethylolpropane, Neopentyl Glycol, Isophthalic Acid, Trimellitic Anhydride Polymer is a specialized synthetic resin, a high-performance alkyd or polyester polyol intermediate. This polymer is engineered to deliver enhanced thermal stability, chemical resistance, and formulation flexibility for demanding industrial coatings and composites. It is primarily required by manufacturers in the paints & coatings, adhesives, and plastic compounding industries seeking to upgrade product durability and performance.

Application

• High-Performance Industrial Coatings: As a key polyol component in alkyd and polyester resins for coil, can, and automotive coatings requiring excellent adhesion and corrosion resistance.
• Powder Coatings: Used in resin formulations to improve flow, leveling, and final film properties such as hardness and weatherability.
• Saturated Polyester Resins: Serves as a building block for resins used in industrial laminates and composite materials.
• Adhesives & Sealants: Imparts flexibility and strength to polyurethane-based adhesive systems.
• Plastic Additives: Acts as a modifier or compatibilizer to enhance the properties of various polymer blends.
• Electrical Insulating Varnishes: Contributes to the thermal stability and dielectric strength of insulating resins for motors and transformers.

Basic Information

Product Name	Tall Oil Fatty Acid, Trimethylolpropane, Neopentyl Glycol, Isophthalic Acid, Trimellitic Anhydride Polymer
CAS No.	72066-67-2
Molecular Formula	Complex Polymer (Contact for details)
Molecular Weight	Varies by grade (Contact for details)
Synonyms	TOFA-TMP-NPG-IPA-TMA Polymer; Polyester polyol from tall oil fatty acid, TMP, NPG, isophthalic acid, and trimellitic anhydride; Alkyd resin intermediate; Modified polyester resin; TMP/NPG co-polyester with TOFA and aromatic acids; Trimellitic anhydride-isophthalic acid-NPG-TMP-TOFA copolymer
EINECS	Contact for details

Quality Control

Our polymer intermediates are produced under strict quality management systems to ensure batch-to-batch consistency. Key parameters such as acid value, hydroxyl value, viscosity, and color are rigorously tested. Certificates of Analysis (COA) documenting 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, well-ventilated area away from incompatible materials such as strong acids and organic solvents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Viscous liquid to solid resin
Color (Gardner)	≤ 4
Acid Value (mg KOH/g)	≤ 10
Hydroxyl Value (mg KOH/g)	As per grade
Viscosity (at 25°C)	As per grade
Solid Content (%)	As per grade

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