Description

Soybean Oil Fatty Acids, Isophthalic Acid, Trimethylolpropane, Trimellitic Anhydride Polymer is a specialized polymeric resin synthesized from key monomers including fatty acids, aromatic acids, and polyols. This engineered polymer is valued for its ability to impart flexibility, chemical resistance, and durability to final formulations. It is primarily sought by manufacturers in the coatings, adhesives, and specialty plastics industries seeking to enhance product performance.

Application

• High-Performance Coatings Resin: Used as a key component in alkyd and polyester resins for industrial, marine, and automotive coatings, providing excellent gloss, adhesion, and weatherability.
• Adhesive and Sealant Formulations: Acts as a polymeric backbone or modifier to improve flexibility, bonding strength, and chemical resistance in structural and specialty adhesives.
• Plasticizer and Modifier for Polymers: Incorporated into various polymer systems to modify rheological properties, enhance impact resistance, and improve compatibility.
• Ink Vehicle for Printing: Serves as a resinous component in specialty printing inks, contributing to film formation, pigment wetting, and substrate adhesion.
• Composite Material Binder: Utilized as a matrix resin or binder in fiber-reinforced composites and laminates, offering a balance of strength and processability.

Basic Information

Product Name	Soybean Oil Fatty Acids, Isophthalic Acid, Trimethylolpropane, Trimellitic Anhydride Polymer
CAS No.	68476-08-4
Molecular Formula	Complex Polymer (Contact for details)
Molecular Weight	Varies by grade and polymerization degree
Synonyms	Polymer of soybean oil fatty acids, isophthalic acid, trimethylolpropane and trimellitic anhydride; Modified alkyd resin; TMP-TMA-IPA-Soybean oil polymer; Fatty acid modified polyester resin; Trimellitic anhydride-isophthalic acid-trimethylolpropane-soybean oil copolymer; TMA-IPA-TMP co-polyester resin; Soybean oil modified aromatic polyester polyol
EINECS	Contact for details

Quality Control

Our production of this polymer adheres to strict quality management protocols to ensure batch-to-batch consistency and performance reliability. Key parameters such as acid value, hydroxyl value, viscosity, and color are rigorously monitored. A Certificate of Analysis (COA) detailing the specific test results for each lot is available upon request to support your quality assurance processes.

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 heat sources and open flames. Under recommended conditions, the product is typically stable for 24 months from the date of manufacture.

Specification

Item	Specification
Appearance	Viscous liquid to solid resin
Color (Gardner)	≤ 6
Acid Value (mg KOH/g)	5 - 15
Hydroxyl Value (mg KOH/g)	50 - 150
Viscosity (at 25°C, cP)	2,000 - 15,000
Solid Content (%)	≥ 99

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