Description

1,3-Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid, 2,2-dimethyl-1,3-propanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol, hexanedioic acid and 2,2,4-trimethyl-1,3-pentanediol is a high-performance, modified polyester resin designed for demanding industrial applications. This copolymer's complex composition provides a unique balance of chemical resistance, thermal stability, and mechanical properties that are critical for advanced coating and adhesive formulations. It is essential for manufacturers in the paints & coatings, plastics, and specialty chemical industries seeking to enhance product durability and performance.

Application

• High-Performance Industrial Coatings: Used as a key resin binder in automotive, coil, and can coatings for excellent weatherability and chemical resistance.
• Powder Coatings: Serves as a primary polyester component for formulations requiring good flow, adhesion, and overbake resistance.
• Thermosetting Adhesives & Sealants: Provides structural strength and environmental durability in bonding applications for construction and automotive assembly.
• Plastic Modifiers & Additives: Incorporated into polymer blends to improve impact resistance, flexibility, and processing characteristics.
• Electrical Insulation Materials: Utilized in wire enamels and insulating varnishes due to its good dielectric properties and thermal endurance.
• Specialty Inks: Acts as a vehicle resin in high-quality printing inks for metal and plastic substrates.

Basic Information

Product Name	1,3-Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid, 2,2-dimethyl-1,3-propanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol, hexanedioic acid and 2,2,4-trimethyl-1,3-pentanediol
CAS No.	68650-95-3
Molecular Formula	(C8H6O4 · C8H6O4 · C5H12O2 · C6H14O3 · C6H10O4 · C8H18O2)x
Molecular Weight	Polymer - Contact for details
Synonyms	Poly(isophthalic acid-co-terephthalic acid-co-neopentyl glycol-co-trimethylolpropane-co-adipic acid-co-2,2,4-trimethyl-1,3-pentanediol); Modified Polyester Resin; Isophthalic-Terephthalic Acid Copolyester; TMP-Modified Polyester; Coating Polyester Resin; Polyester Resin, TMP-adducted; Adipic Acid Modified Copolyester
EINECS	Contact for details

Quality Control

Our production of this advanced polyester resin adheres to strict quality management systems, ensuring batch-to-batch consistency for critical industrial applications. Key parameters including acid value, hydroxyl value, viscosity, glass transition temperature (Tg), and color are rigorously monitored. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee compliance with your formulation requirements.

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 flame. Under recommended storage conditions, the product is stable for a minimum of 24 months from the date of manufacture.

Specification

Item	Specification
Appearance	Clear, viscous liquid or solid pellets
Color (Gardner)	≤ 3
Acid Value (mg KOH/g)	5 - 15
Hydroxyl Value (mg KOH/g)	20 - 60
Viscosity (at 25°C, mPa·s)	2000 - 8000
Glass Transition Temp (Tg, °C)	40 - 60
Solid Content (%)	≥ 99.0
Moisture Content (Karl Fischer, %)	≤ 0.2

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