Description

Fatty acids, C16-18 and C18-unsatd., polymers with benzoic acid, Bu methacrylate, 2-(dimethylamino)ethyl methacrylate, isophthalic acid, Me methacrylate, pentaerythritol, styrene and tall-oil fatty acids is a high-performance, multifunctional polymeric resin designed for advanced coating and adhesive formulations. This complex copolymer offers a unique balance of properties derived from its tailored composition of fatty acids, aromatic acids, and functional methacrylate monomers. It is engineered to meet the demanding requirements of industrial applications where durability, adhesion, and chemical resistance are paramount. Key industries that utilize this specialty polymer include paints & coatings, printing inks, and adhesive manufacturing.

Application

• Industrial and Protective Coatings: Used as a key resin binder in high-performance alkyd and hybrid coatings for metal substrates, providing excellent corrosion resistance, gloss, and durability.
• Printing Inks: Serves as a vehicle resin in specialty printing inks, contributing to pigment wetting, printability, and film formation on various substrates.
• Adhesives and Sealants: Functions as a tackifying and film-forming agent in solvent-based and hot-melt adhesive systems, enhancing adhesion to difficult surfaces.
• Overprint Varnishes: Imparts scuff resistance, gloss, and protective properties to overprint varnishes for packaging and printed materials.
• Wood Finishes: Employed in wood stain and varnish formulations to improve penetration, drying time, and final film hardness.
• Marine and Automotive Coatings: Contributes to the weatherability and chemical resistance of primers and topcoats in demanding environments.

Basic Information

Product Name	Fatty acids, C16-18 and C18-unsatd., polymers with benzoic acid, Bu methacrylate, 2-(dimethylamino)ethyl methacrylate, isophthalic acid, Me methacrylate, pentaerythritol, styrene and tall-oil fatty acids
CAS No.	129870-91-3
Molecular Formula	Complex polymeric mixture; Contact for details
Molecular Weight	Variable (Polymer); Contact for details
Synonyms	Modified alkyd resin; Tall oil fatty acid polymer with styrene, pentaerythritol, and methacrylates; Functionalized alkyd copolymer; Poly(fatty acids-co-benzoic acid-co-isophthalic acid-co-styrene-co-methacrylates); Alkyd-acrylic hybrid resin; TOFA-based polymeric resin; Amino-functional alkyd resin; Pentaerythritol-modified alkyd
EINECS	Contact for details

Quality Control

Our production of this specialty polymer adheres to strict quality management systems to ensure batch-to-batch consistency and performance reliability. Key parameters such as acid value, viscosity, solids content, color, and molecular weight distribution are rigorously monitored. Certificates of Analysis (COA) detailing these specifications are provided with each shipment. While not a pharmaceutical ingredient, our manufacturing controls align with principles of cGMP where applicable, and the product is manufactured in compliance with relevant global regulations.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at temperatures between 15°C and 25°C (59°F and 77°F). Keep away from heat, sparks, and open flame. This product is sensitive to strong acids and organic solvents; store separately from such materials to prevent contamination or reaction. The container should be kept tightly sealed when not in use to prevent skinning or changes in viscosity.

Specification

Item	Specification
Appearance	Viscous liquid, clear to slightly hazy
Color (Gardner)	≤ 8
Solids Content	60 - 70 %
Acid Value	5 - 15 mg KOH/g
Viscosity (at 25°C)	2000 - 6000 mPa·s
Solvent	Xylene / Butyl acetate blend

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