Description

Trimethylpentanediol/Adipic Acid Copolymer is a high-performance synthetic polymer resin formed from the polycondensation of 2,2,4-trimethyl-1,3-pentanediol and adipic acid. This compound is valued for its excellent chemical resistance, durability, and versatility as a key building block in advanced coating and adhesive formulations. It is primarily sought by manufacturers in the paints & coatings, industrial adhesives, and specialty plastics industries seeking to enhance product performance and longevity.

Application

• High-Performance Coatings: A critical resin component in automotive, industrial, and marine coatings, providing excellent gloss, hardness, and chemical resistance.
• Adhesives & Sealants: Used as a polymeric modifier to improve the flexibility, adhesion, and environmental stability of structural and pressure-sensitive adhesives.
• Powder Coatings: Serves as a key polyester resin for thermosetting powder coatings, offering good flow properties and weatherability.
• Industrial Plastics & Composites: Acts as a modifier or cross-linking agent in composite materials and plastic alloys to enhance mechanical properties.
• Ink Resins: Utilized in the formulation of specialty printing inks that require fast drying and resistance to solvents and abrasion.
• Textile & Leather Finishes: Employed in coatings and finishes to provide durable, flexible, and water-resistant surfaces.

Basic Information

Item	Detail
Product Name	Trimethylpentanediol/Adipic Acid Copolymer
CAS No.	26139-53-7
Molecular Formula	(C8H16O2·C6H10O4)n
Molecular Weight	Varies (Polymer)
Synonyms	Poly(2,2,4-trimethyl-1,3-pentanediol-alt-adipic acid); TMPD-Adipic Acid Copolymer; Adipic Acid/Trimethylpentanediol Copolymer; Poly(TMPD-alt-Adipic Acid); Polyester resin from TMPD and adipic acid; 2,2,4-Trimethyl-1,3-pentanediol/adipic acid copolymer; TMPA Polyester Resin
EINECS	Contact for details

Quality Control

Our Trimethylpentanediol/Adipic Acid Copolymer is manufactured under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure consistent properties such as acid value, hydroxyl value, viscosity, and glass transition temperature (Tg). Certificates of Analysis (COA) documenting these specifications are available upon request to support your quality assurance and regulatory compliance needs.

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 flames. Under these conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	White to off-white flakes or solid
Acid Value	< 5 mg KOH/g
Hydroxyl Value	Contact for details
Viscosity (at specified conc. & temp.)	Contact for details
Glass Transition Temperature (Tg)	Contact for details
Color (Gardner)	≤ 2
Moisture Content	< 0.5%

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