Description

Resin Acids And Rosin Acids, Me Esters, Reaction Products With Ethylene Glycol-Maleic Acid-Phthalic Acid Polymer is a specialized polymeric resin derived from modified rosin acids. This compound is valued for its ability to impart excellent adhesion, water resistance, and film-forming properties in demanding industrial formulations. It is primarily sought by manufacturers in the coatings, adhesives, and ink industries seeking to enhance product performance and durability.

Application

• As a key film-forming agent and modifier in industrial protective coatings and marine paints.
• As a tackifier and adhesion promoter in pressure-sensitive and hot-melt adhesives.
• As a resin component in printing inks to improve gloss, rub resistance, and drying properties.
• As a binder and cross-linking agent in composite materials and sealants.
• For modifying the properties of alkyd and other synthetic resins to enhance flexibility and chemical resistance.
• Potential use as a sizing agent or processing aid in paper and textile manufacturing.

Basic Information

Product Name	Resin Acids And Rosin Acids, Me Esters, Reaction Products With Ethylene Glycol-Maleic Acid-Phthalic Acid Polymer
CAS No.	68608-84-4
Molecular Formula	Complex Polymer
Molecular Weight	Varies by grade and composition
Synonyms	Rosin-Maleic Ester Polymer; Maleated Rosin Ester Glycol Polymer; Ethylene Glycol-Maleic Anhydride-Rosin Adduct; Rosin Modified Maleic Resin; Polymer of rosin acids, methyl esters with ethylene glycol, maleic acid and phthalic acid; Tackifying Resin 68608-84-4; Rosin-based Polyester Resin
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. Each lot is characterized for critical parameters such as acid value, softening point, viscosity, and color. A comprehensive Certificate of Analysis (COA) documenting these specifications is provided with every shipment 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 strong acids and organic solvents. Under these conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	Amber to pale yellow solid or viscous liquid
Acid Value (mg KOH/g)	10 - 50
Softening Point (Ring & Ball, °C)	80 - 120
Color (Gardner)	≤ 12
Viscosity (at 25°C, mPa·s)	Specification available upon request
Solubility	Soluble in common organic solvents

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