Description

1,3-Isobenzofurandione, Polymer With 2,2-Bis(Hydroxymethyl)-1,3-Propanediol, 2-Butenoate (Z,Z)-9,12-Octadecadienoate is a specialized polymeric ester derived from phthalic anhydride, pentaerythritol, and linoleic acid. This compound is engineered to provide excellent film-forming, flexibility, and adhesion properties in advanced coating systems. It is a critical raw material for formulators seeking to develop high-performance, durable finishes with specific rheological characteristics. The product, identified by CAS No. 68855-15-2, serves industries where tailored polymer performance is paramount.

Application

• High-Performance Industrial Coatings: Used as a film-forming agent and modifier in alkyd and polyester resin systems for machinery, agricultural equipment, and metal substrates.
• Protective & Marine Coatings: Imparts flexibility, water resistance, and durability in primers and topcoats for corrosion protection.
• Automotive Refinish & OEM Coatings: Enhances flow, leveling, and adhesion in automotive paint formulations.
• Wood Finishes & Varnishes: Contributes to fast drying times, good gloss, and scratch resistance in furniture and flooring coatings.
• Printing Inks: Acts as a resin component to improve pigment wetting, gloss, and substrate adhesion.
• Adhesives & Sealants: Utilized as a tackifier or modifier to enhance bond strength and flexibility.
• Plastic Additives: Can function as a plasticizer or processing aid to modify the properties of polymer blends.

Basic Information

Product Name	1,3-Isobenzofurandione, Polymer With 2,2-Bis(Hydroxymethyl)-1,3-Propanediol, 2-Butenoate (Z,Z)-9,12-Octadecadienoate
CAS No.	68855-15-2
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Phthalic Anhydride, Polymer with Pentaerythritol and Linoleic Acid; Pentaerythritol Phthalic Anhydride Linoleate Polymer; Alkyd Resin, Modified; Linoleic Acid Modified Pentaerythritol Phthalate Resin; Poly(pentaerythritol phthalate linoleate); Coating Resin 68855-15-2; Polyester Resin based on Phthalic Anhydride, Pentaerythritol, and Linoleic Acid
EINECS	Contact for details

Quality Control

Our production of this polymeric resin adheres to strict quality management systems to ensure batch-to-batch consistency and performance reliability. Key parameters such as acid value, viscosity, color, and solids content are rigorously monitored. Certificates of Analysis (COA) documenting these specifications are available for every batch upon request, providing full traceability and compliance data for your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at temperatures between 15-25°C (59-77°F). Keep away from heat sources, open flames, and incompatible materials such as strong oxidizing agents. Under these conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	Viscous liquid to semi-solid
Color (Gardner)	≤ 12
Acid Value (mg KOH/g)	≤ 15
Viscosity (Gardner-Holdt)	Z2 - Z6
Non-Volatile Matter (%)	≥ 70
Identification (IR)	Conforms

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