Description

1,2-Benzenedicarboxylic Anhydride, Benzoic Acid, Pentaerythritol, Tall Oil Fatty Acids Polymer is a specialized polymeric resin synthesized from key raw materials including phthalic anhydride, benzoic acid, pentaerythritol, and tall oil fatty acids. This product is engineered to deliver exceptional chemical resistance and thermal stability, making it a critical component in demanding industrial formulations. It is primarily sought by manufacturers in the coatings, adhesives, and specialty plastics industries for producing high-performance alkyd and polyester resins.

Application

• High-Performance Industrial Coatings: As a key resin component for air-drying and baking enamels, providing excellent durability, gloss, and adhesion to metal substrates.
• Protective & Marine Coatings: Used in formulations requiring superior resistance to water, chemicals, and corrosion for infrastructure and marine vessels.
• Adhesives and Sealants: Imparts flexibility and strong bonding characteristics in structural and specialty adhesive systems.
• Plasticizers and Modifiers: Acts as a polymeric modifier to enhance the flexibility and processing of rigid plastics and composites.
• Printing Inks: Serves as a resin binder for high-gloss, fast-setting industrial and packaging inks.
• Electrical Insulating Varnishes: Used in wire enamel and insulating coatings due to its good dielectric properties and thermal endurance.

Basic Information

Product Name	1,2-Benzenedicarboxylic Anhydride, Benzoic Acid, Pentaerythritol, Tall Oil Fatty Acids Polymer
CAS No.	66070-74-4
Molecular Formula	Polymeric substance; no single molecular formula
Molecular Weight	Varies by grade and polymerization degree
Synonyms	Tall oil fatty acids, polymer with benzoic acid, pentaerythritol and phthalic anhydride; Phthalic Anhydride-Benzoic Acid-Pentaerythritol-Tall Oil Fatty Acid Polymer; TOFA-Polyester Resin; Alkyd resin based on tall oil; Polyester resin, TOFA-modified; Pentaerythritol phthalate benzoate tallate polymer; Tall oil alkyd resin
EINECS	266-105-6

Quality Control

Our production of this polymeric resin adheres to strict quality management systems. Each batch is characterized for critical parameters including acid value, viscosity, color, and solids content to ensure batch-to-batch consistency for your formulations. Certificates of Analysis (COA) detailing these specifications are available upon request, supporting your quality assurance and regulatory compliance needs.

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 strong acids and organic solvents. The product has a limited shelf life; use on a first-in, first-out (FIFO) basis.

Specification

Item	Specification
Appearance	Viscous liquid to solid resin
Color (Gardner)	≤ 8
Acid Value (mg KOH/g)	5 - 15
Viscosity (at 25°C)	2000 - 8000 mPa·s (Solution in specified solvent)
Non-Volatile Matter	≥ 70 %
Identification (IR)	Conforms to standard spectrum

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