Description

Maleic Anhydride-Pentaerythritol-Soybean Oil Polymer is a specialized alkyd-type resin derived from renewable soybean oil, modified with maleic anhydride and cross-linked with pentaerythritol. This polymer is valued for its ability to enhance the flexibility, adhesion, and drying properties of coatings and inks. It is primarily sought after by manufacturers in the paints, coatings, printing inks, and adhesive industries seeking bio-based and high-performance resin components.

Application

• Coatings Resin: Used as a modifying resin in alkyd coatings to improve flexibility, gloss, and drying time.
• Printing Inks: Serves as a binder and vehicle in offset and lithographic inks, providing excellent pigment wetting and rub resistance.
• Adhesive Formulations: Acts as a tackifier and modifier in pressure-sensitive and hot-melt adhesives.
• Industrial Finishes: Incorporated into primers and topcoats for metal and wood substrates to enhance durability.
• Overprint Varnishes: Used to formulate protective varnishes that offer scuff and chemical resistance.
• Bio-based Polymers: A key component in the development of sustainable, renewable-content polymer systems.

Basic Information

Product Name	Maleic Anhydride-Pentaerythritol-Soybean Oil Polymer
CAS No.	67923-36-8
Molecular Formula	Complex Polymer (Contact for details)
Molecular Weight	Varies by grade (Contact for details)
Synonyms	Maleated Soybean Oil Pentaerythritol Ester; Soybean Oil, Maleated, Pentaerythritol Ester; Alkyd Resin from Soybean Oil, Maleic Anhydride, and Pentaerythritol; Maleic Anhydride-Soybean Oil-Pentaerythritol Copolymer; Modified Alkyd Resin; Soybean Oil Alkyd; Pentaerythritol Adipate/Soybean Oil/Maleic Anhydride Polymer
EINECS	Contact for details

Quality Control

Our Maleic Anhydride-Pentaerythritol-Soybean Oil Polymer is manufactured under a strict quality management system. Each batch undergoes rigorous testing for key parameters such as 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 to support your quality assurance protocols.

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 flame. Under recommended storage 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)	≤ 12
Acid Value (mg KOH/g)	10 - 30
Viscosity (Gardner-Holdt)	Z2 - Z6
Non-Volatile Matter (%)	≥ 98.0
Identification (IR)	Conforms to structure

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