Description

Fatty Acids, Vegetable-Oil, Polymers With Phthalic Anhydride And Rosin is a specialized polymeric resin derived from natural vegetable oil fatty acids, phthalic anhydride, and rosin. This compound is valued for its excellent film-forming, adhesive, and tackifying properties, making it a versatile intermediate for high-performance industrial formulations. It is primarily used by manufacturers in the coatings, adhesives, inks, and polymer modification industries seeking bio-based or modified resin components.

Application

• Coatings & Paints: Acts as a film-forming agent and modifier in alkyd resins for architectural, industrial, and marine coatings, enhancing gloss, flexibility, and drying time.
• Adhesives & Sealants: Serves as a key tackifier and rheology modifier in hot-melt, pressure-sensitive, and structural adhesive formulations.
• Printing Inks: Used as a resinous component in gravure, flexographic, and overprint varnishes to improve pigment wetting, gloss, and substrate adhesion.
• Polymer Modification: Employed as a plasticizer or compatibilizer in various polymer blends to modify processing characteristics and final material properties.
• Rubber Compounding: Functions as a processing aid and softener in the production of various rubber goods.

Basic Information

Product Name	Fatty Acids, Vegetable-Oil, Polymers With Phthalic Anhydride And Rosin
CAS No.	68552-99-8
Molecular Formula	Complex Polymer (Contact for details)
Molecular Weight	Variable (Polymeric Mixture)
Synonyms	Rosin-modified alkyd resin; Fatty acid-rosin-phthalic anhydride polymer; Vegetable oil fatty acid polymer with rosin and phthalic anhydride; Modified rosin ester; Alkyd resin based on rosin and vegetable oils; Tackifying resin; Poly(fatty acids-co-rosin-co-phthalic anhydride); Rosin-modified fatty acid polyester
EINECS	Contact for details

Quality Control

Our production of Fatty Acids, Vegetable-Oil, Polymers With Phthalic Anhydride And Rosin adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. Each lot is characterized for critical parameters such as acid value, viscosity, softening point, and color. A comprehensive Certificate of Analysis (COA) documenting these specifications is provided with every shipment to support your quality assurance and regulatory compliance needs.

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 sources and open flame. Under these conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	Viscous liquid to solid resin
Color (Gardner)	≤ 12
Acid Value (mg KOH/g)	5 - 25
Softening Point (Ring & Ball, °C)	80 - 120
Viscosity (at 25°C, mPa·s)	Contact for details
Solubility	Soluble in most organic solvents

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