Description

Soybean-Castor Oil/ Phthalic Anhydride/ Glycerol/ Styrene CAS NO 66071-57-6 is a specialized polymeric resin or alkyd intermediate, synthesized from a blend of soybean oil, castor oil, phthalic anhydride, glycerol, and styrene. This compound is engineered to deliver a unique balance of flexibility, adhesion, and chemical resistance, making it a critical raw material for high-performance coatings and polymer formulations. It is primarily sought by manufacturers in the paints & coatings, adhesives, and specialty polymer industries for developing advanced products.

Application

• Alkyd Resin Production: Serves as a key intermediate or modifier in the synthesis of alkyd resins for industrial and decorative paints.
• High-Performance Coatings: Used in formulating corrosion-resistant, marine, and automotive coatings requiring enhanced durability.
• Adhesive & Sealant Formulations: Imparts flexibility and strong adhesion in construction and industrial adhesive systems.
• Polymer Modification: Acts as a plasticizer or cross-linking agent to modify the properties of other polymer matrices.
• Printing Inks: Employed in the manufacture of specialty printing inks that demand good gloss and adhesion to various substrates.
• Wood Finishes: A component in varnishes and wood stains, providing a protective, glossy finish.

Basic Information

Product Name	Soybean-Castor Oil/ Phthalic Anhydride/ Glycerol/ Styrene
CAS No.	66071-57-6
Molecular Formula	Complex Polymer / Mixture
Molecular Weight	Variable (Polymeric)
Synonyms	Alkyd resin, modified soybean-castor oil; Styrenated alkyd resin; Phthalic anhydride-glycerol-soybean-castor oil copolymer; Modified drying oil resin; Soybean/castor oil alkyd with styrene; Polymeric plasticizer resin; CAS 66071-57-6
EINECS	Contact for details

Quality Control

Our production of this alkyd intermediate adheres to strict quality protocols to ensure batch-to-batch consistency and performance reliability. Key parameters such as acid value, viscosity, solids content, and color are rigorously tested. A comprehensive Certificate of Analysis (COA) documenting these specifications is provided with every shipment to guarantee 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/59-77°F). Keep away from heat, sparks, and open flame. Due to its nature, the material should be kept under an inert atmosphere if long-term storage is anticipated to prevent oxidation. Isolate from strong oxidizing agents.

Specification

Item	Specification
Appearance	Viscous liquid to semi-solid
Color (Gardner)	≤ 8
Acid Value (mg KOH/g)	≤ 10
Viscosity (Gardner-Holdt)	Z2 - Z5
Non-Volatile Matter	≥ 70%
Solvent (Typical)	Mineral spirits / Xylene

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