Description

Tall-Soybean Oil/Rosin/Phthalic Anhydride/Glycerol Resin is a specialized modified alkyd resin produced by the condensation polymerization of tall oil fatty acids, rosin, phthalic anhydride, and glycerol. This compound matters for its role as a versatile, cost-effective film-forming agent and binder with excellent adhesion and flexibility properties. Industrial manufacturers in the coatings, adhesives, and ink sectors need this resin to formulate products that require durable, protective films with good gloss and drying characteristics.

Application

• Industrial Coatings: Used as a primary resin or modifier in air-drying and baking enamels for machinery, agricultural equipment, and metal primers.
• Printing Inks: Serves as a key binder in offset and letterpress inks, providing gloss, rub resistance, and rapid setting properties.
• Adhesives & Sealants: Imparts tack, flexibility, and binding strength in pressure-sensitive adhesives, hot-melt adhesives, and construction sealants.
• Wood Finishes: Formulated into varnishes and wood stains to enhance grain definition and provide a protective, clear coating.
• Corrosion Inhibitive Primers: Acts as a film-forming agent in primers designed to protect steel and other metals from environmental degradation.
• Paper & Packaging Coatings: Applied in coatings for paperboard and packaging to improve surface smoothness, printability, and moisture resistance.

Basic Information

Product Name	Tall-Soybean Oil/Rosin/Phthalic Anhydride/Glycerol Resin
CAS No.	68513-45-1
Molecular Formula	Complex Polymer (Contact for details)
Molecular Weight	Variable (Contact for details)
Synonyms	Modified Alkyd Resin; Tall Oil-Rosin Alkyd; Phthalic Glycerol Resin; TOFA/Rosin Alkyd; Glycerol Phthalate Rosin Ester; Alkyd Resin 68513-45-1; Tall Oil Fatty Acid Alkyd; Rosin-Modified Alkyd Resin
EINECS	Contact for details

Quality Control

Our Tall-Soybean Oil/Rosin/Phthalic Anhydride/Glycerol Resin is manufactured under a strict quality management system. Each batch undergoes rigorous testing for key parameters including acid value, viscosity, color, and solids content to ensure batch-to-batch consistency and performance. Certificates of Analysis (COA) documenting these specifications are available upon request.

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. Under these conditions, the product has a typical shelf life of 24 months from the date of manufacture.

Specification

Item	Specification
Appearance	Viscous liquid to solid resin
Color (Gardner)	≤ 12
Acid Value (mg KOH/g)	≤ 20
Viscosity (Gardner-Holdt)	Z2 - Z6
Solids Content (%)	60 - 70
Drying Time (Set-to-touch)	≤ 4 hours

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