Description

Adipic Acid, Phthalic Anhydride, Trimethylolpropane, 2-Ethylhexanoic Acid Polymer is a specialized polymeric ester synthesized from key industrial monomers. This compound is engineered to deliver enhanced performance characteristics, such as improved flexibility, adhesion, and chemical resistance, making it a valuable intermediate for advanced material formulations. It is primarily utilized by manufacturers in the coatings, adhesives, and specialty polymer industries seeking to modify resin properties and develop high-performance end products. The CAS number for this substance is 67815-82-1.

Application

This multi-component polymer serves as a versatile building block and performance modifier across several industrial sectors.

• Alkyd Resin Modification: Acts as a reactive polyol component to enhance the flexibility, drying time, and durability of alkyd resins used in industrial and decorative paints.
• Polyurethane Systems: Employed as a polyol in the formulation of flexible polyurethane foams, coatings, and elastomers, contributing to improved resilience and hydrolysis resistance.
• Synthetic Lubricants & Plasticizers: Used in the synthesis of ester-based lubricants and polymeric plasticizers for PVC, offering low-temperature performance and reduced volatility.
• Adhesive & Sealant Formulations: Imparts tack, adhesion, and cohesion properties in hot-melt and pressure-sensitive adhesive systems.
• Co-Curing Agents for Epoxy Resins: Functions as a flexibilizer and toughness enhancer in epoxy resin systems for composites and protective coatings.
• Saturation Polyester for Powder Coatings: Incorporated into carboxyl-functional polyester resins to adjust flow, gloss, and mechanical properties in thermosetting powder coatings.

Basic Information

Product Name	Adipic Acid, Phthalic Anhydride, Trimethylolpropane, 2-Ethylhexanoic Acid Polymer
CAS No.	67815-82-1
Molecular Formula	Polymeric substance; Contact for details
Molecular Weight	Polymeric substance; Contact for details
Synonyms	Adipic Acid/Phthalic Anhydride/Trimethylolpropane/2-Ethylhexanoic Acid Copolymer; Polyester Polyol from Adipic Acid, Phthalic Anhydride, TMP, and 2-EHA; TMP-Based Polyester Polyol; Adipic-Phthalic-TMP-2EHA Polymer; Branched Aliphatic-Aromatic Copolyester; Modified Alkyd Resin Intermediate; 2-Ethylhexanoic Acid-Terminated Polyester; Multifunctional Polyester Polyol
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. Key parameters such as hydroxyl value, acid value, viscosity, and color are rigorously monitored. Certificates of Analysis (COA) detailing these specifications are provided with each shipment. We operate in compliance with relevant ISO quality standards, and our facilities are equipped to meet the specific requirements of industrial and specialty chemical applications.

Storage

Preserve in a tightly closed container, protected from light. This product is hygroscopic (moisture-sensitive) and should be stored in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). Keep the container tightly sealed when not in use to prevent moisture absorption and potential degradation. Store away from strong alkalis and incompatible organic solvents.

Specification

Item	Specification
Appearance	Viscous liquid to semi-solid
Color (Gardner)	≤ 3
Hydroxyl Value (mg KOH/g)	Contact for details
Acid Value (mg KOH/g)	≤ 5.0
Viscosity @ 25°C (cPs)	Contact for details
Water Content (Karl Fischer)	≤ 0.2%
Identification (IR)	Conforms

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