Description

1,3-Benzenedicarboxylic acid, polymer with 1,4-cyclohexanedicarboxylic acid, 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid, 2,2-dimethyl-1,3-propanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and 1,6-hexanediol is a high-performance, multi-component polyester resin designed for demanding industrial applications. This specialized polymer offers a unique balance of thermal stability, chemical resistance, and mechanical properties derived from its complex aromatic and aliphatic co-monomer structure. It is essential for formulators and manufacturers in the coatings, adhesives, and advanced materials sectors seeking to enhance product durability and performance.

Application

• High-Performance Industrial Coatings: Used as a key resin in formulations for coil coatings, automotive primers, and appliance finishes requiring excellent weatherability and chemical resistance.
• Powder Coatings: Serves as a critical binder in thermosetting powder coatings for metal substrates, providing good flow, leveling, and cross-linking density.
• Adhesives and Sealants: Imparts strength and flexibility in structural adhesive formulations and specialty sealants for construction and automotive assembly.
• Engineering Plastics and Composites: Acts as a modifier or base resin in composite materials to improve heat distortion temperature and dimensional stability.
• Electrical Insulating Varnishes: Utilized in wire enamel and insulating varnishes for motors and transformers due to its good dielectric properties and thermal endurance.
• Industrial and Protective Linings: Formulated into chemically resistant linings and tank coatings for the chemical processing industry.

Basic Information

Item	Details
Product Name	1,3-Benzenedicarboxylic acid, polymer with 1,4-cyclohexanedicarboxylic acid, 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid, 2,2-dimethyl-1,3-propanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and 1,6-hexanediol
CAS No.	154862-36-9
Molecular Formula	Polymeric material - Contact for details
Molecular Weight	Polymeric material - Contact for details
Synonyms	Polyester resin based on isophthalic acid, CHDA, trimellitic anhydride, neopentyl glycol, trimethylolpropane, and hexanediol; IPA/CHDA/TMA/NPG/TMP/HD Polyester; Carboxyl-functional polyester resin; Thermosetting polyester resin; Alkyd resin modifier; Coating polyester; Polyester polyol (carboxylated)
EINECS	Contact for details

Quality Control

Our production of this specialty polyester resin adheres to strict quality management protocols. Each batch is characterized for critical parameters including acid value, hydroxyl value, viscosity, glass transition temperature (Tg), and color to ensure consistent performance in your formulations. Comprehensive Certificates of Analysis (COA) documenting these specifications are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong acids and organic solvents. As a polymeric material, prolonged exposure to elevated temperatures should be avoided to prevent premature curing or changes in viscosity.

Specification

Item	Specification
Appearance	Clear, viscous liquid or solid flakes
Color (Gardner)	≤ 3
Acid Value (mg KOH/g)	10 - 50
Hydroxyl Value (mg KOH/g)	Contact for details
Viscosity (at 25°C)	Contact for details
Glass Transition Temperature (Tg)	40 - 70 °C
Solid Content	≥ 99%

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