Description

Castor Oil, Polymer With Ethylene Glycol, Pentaerythritol And Phthalic Anhydride is a specialized alkyd resin derived from renewable castor oil, offering a unique combination of flexibility, adhesion, and chemical resistance. This polymer is engineered to provide a sustainable and high-performance backbone for advanced coating formulations. It is a critical raw material for manufacturers in the paints, coatings, inks, and adhesive industries seeking to enhance product durability and environmental profiles.

Application

• Industrial and Protective Coatings: As a primary resin in formulations for metal primers, machinery enamels, and corrosion-resistant finishes.
• Flexible Packaging Inks: Used in solvent-based gravure and flexographic inks for films and foils, providing excellent adhesion and gloss.
• Wood Finishes: Imparts flexibility and durability to varnishes and lacquers for furniture and flooring.
• Adhesives and Sealants: Acts as a tackifying and flexibilizing agent in specialty adhesive formulations.
• Plasticizers and Modifiers: Serves as a polymeric plasticizer or modifier for other resins to improve impact resistance and weatherability.
• Marine Coatings: Contributes to the formulation of coatings requiring good water resistance and flexibility for marine applications.

Basic Information

Product Name	Castor Oil, Polymer With Ethylene Glycol, Pentaerythritol And Phthalic Anhydride
CAS No.	71243-53-3
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Castor oil alkyd resin; Alkyd resin from castor oil, ethylene glycol, pentaerythritol and phthalic anhydride; Phthalic anhydride-pentaerythritol-ethylene glycol-castor oil polymer; Castor oil modified alkyd; Polyester resin based on castor oil; COPE polymer (Castor Oil Polyester); Pentaerythritol phthalate ester of castor oil
EINECS	Contact for details

Quality Control

Our alkyd resin products are manufactured under strict process controls to ensure batch-to-batch consistency and performance. Quality is verified through a series of analytical tests including viscosity, acid value, hydroxyl value, and color determination. Certificates of Analysis (COA) documenting key specifications are available for every shipment upon request, ensuring full traceability and compliance with your formulation requirements.

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 typically stable for 24 months from the date of manufacture.

Specification

Item	Specification
Appearance	Viscous liquid, clear to slightly hazy
Color (Gardner)	≤ 6
Viscosity (at 25°C)	Contact for details
Acid Value (mg KOH/g)	≤ 10
Hydroxyl Value (mg KOH/g)	Contact for details
Non-Volatile Matter (%)	Contact for details
Solvent	Typically supplied in aromatic/aliphatic hydrocarbon blend

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