Description

1,3-Benzenedicarboxylic acid, polymer with dimethyl 1,4-cyclohexanedicarboxylate, 2,2-dimethyl-1,3-propanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol, 2,5-furandione and 1,3-isobenzofurandione is a high-performance, complex polyester resin designed for demanding industrial applications. This polymer's unique composition, incorporating both aromatic and aliphatic dicarboxylic acids along with neopentyl glycol-type diols, provides an exceptional balance of chemical resistance, thermal stability, and mechanical properties. It is a critical raw material for formulators and manufacturers seeking to enhance the durability and performance of their end products in coatings, adhesives, and advanced composites.

Application

• High-Performance Industrial Coatings: As a key resin component for coil coatings, can coatings, and appliance finishes requiring excellent chemical resistance and weatherability.
• Automotive and Transportation Coatings: Used in primer-surfacers and topcoats where durability against fuels, lubricants, and environmental exposure is paramount.
• Powder Coatings: Serves as a base resin for formulating thermosetting powder coatings for metal substrates, offering good flow and leveling properties.
• Adhesives and Sealants: Imparts strength and chemical resistance to structural adhesives and high-performance sealants.
• Electrical Insulating Varnishes: Utilized in wire enamels and impregnating resins for motors and transformers due to its thermal stability and dielectric properties.
• Composite Materials: Acts as a matrix resin or modifier in fiber-reinforced plastics (FRP) for enhanced mechanical performance.
• Industrial Ink Resins: Provides adhesion and resistance properties in inks for metal decoration and plastic substrates.

Basic Information

Product Name	1,3-Benzenedicarboxylic acid, polymer with dimethyl 1,4-cyclohexanedicarboxylate, 2,2-dimethyl-1,3-propanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol, 2,5-furandione and 1,3-isobenzofurandione
CAS No.	67874-87-7
Molecular Formula	Polymeric material - Contact for details
Molecular Weight	Polymeric material - Contact for details
Synonyms	Polyester resin based on isophthalic acid, dimethyl cyclohexanedicarboxylate, neopentyl glycol, trimethylolpropane, maleic anhydride, and phthalic anhydride; Isophthalic acid-cyclohexanedicarboxylic acid copolymer with NPG and TMP, modified with maleic and phthalic anhydride; Saturated polyester resin, carboxyl-functional; Alkyd resin, modified; Coating polyester resin; Thermosetting polyester resin
EINECS	Contact for details

Quality Control

Our production of this advanced polyester resin adheres to a rigorous quality management system to ensure batch-to-batch consistency and performance reliability. Key parameters such as acid value, hydroxyl value, viscosity, color, and glass transition temperature (Tg) are strictly monitored. Certificates of Analysis (COA) detailing all relevant specifications are provided with each shipment. Our quality commitment aligns with ISO 9001 standards, and we support compliance with global regulatory frameworks including REACH.

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, open flames, and incompatible materials such as strong acids and organic solvents. The product may have a limited shelf life; prolonged storage at elevated temperatures should be avoided to prevent premature gelation or changes in viscosity.

Specification

Item	Specification
Appearance	Clear, viscous resin or solid flakes
Color (Gardner)	≤ 3
Acid Value (mg KOH/g)	10 - 30
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.