Description

1,3-Benzenedicarboxylic Acid, Polymer With 1,4-Benzenedicarboxylic Acid, 2,2-Dimethyl-1,3-Propanediol And 1,2-Ethanediol is a high-performance, saturated thermoplastic copolyester resin. This engineered polymer is valued for its excellent chemical resistance, dimensional stability, and outstanding weatherability, making it a superior material for demanding applications. It is primarily sought after by manufacturers in the coatings, plastics, and specialty adhesives industries for creating durable, long-lasting products.

Application

• High-Performance Industrial Coatings: Used in coil coatings, automotive clear coats, and exterior finishes for appliances and building materials due to its exceptional UV resistance and gloss retention.
• Powder Coatings: Serves as a key resin binder for durable, decorative, and protective powder coatings applied to metal substrates.
• Plastic Modification: Employed as a performance additive or blend component to enhance the impact strength, chemical resistance, and thermal properties of other engineering plastics.
• Specialty Adhesives and Sealants: Formulated into high-strength, flexible adhesives and sealants that require resistance to environmental stress and chemicals.
• Electrical and Electronic Components: Used in potting compounds, encapsulants, and insulating materials that demand reliable performance under thermal cycling.
• Fiber Reinforced Composites: Acts as a matrix resin in composites for automotive, marine, and aerospace applications where a high strength-to-weight ratio and corrosion resistance are critical.

Basic Information

Product Name	1,3-Benzenedicarboxylic Acid, Polymer With 1,4-Benzenedicarboxylic Acid, 2,2-Dimethyl-1,3-Propanediol And 1,2-Ethanediol
CAS No.	27923-68-8
Molecular Formula	(C8H6O4 · C8H6O4 · C5H12O2 · C2H6O2)x
Molecular Weight	Polymer - Contact for details
Synonyms	Poly(1,4-cyclohexylenedimethylene terephthalate/isophthalate) copolymer; PCTG Copolyester; PCTA Copolyester; Poly(cyclohexylene dimethylene terephthalate/isophthalate); Poly(1,4-cyclohexylenedimethylene terephthalate-co-isophthalate); Terephthalic Acid/Isophthalic Acid/Neopentyl Glycol/Ethylene Glycol Copolymer; 1,4-Cyclohexanedimethanol / Terephthalic Acid / Isophthalic Acid Copolymer
EINECS	Contact for details

Quality Control

Our production of this copolyester adheres to strict quality management systems, ensuring batch-to-batch consistency for critical performance parameters like intrinsic viscosity, acid value, and glass transition temperature (Tg). Certificates of Analysis (COA) detailing key specifications are provided with every shipment. We can support compliance with relevant frameworks for industrial and specialty material applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). Keep away from strong heat sources and open flames. Under these conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	White to off-white pellets or powder
Intrinsic Viscosity (IV)	0.50 - 0.80 dL/g (Typical)
Acid Value	≤ 2.0 mg KOH/g
Glass Transition Temperature (Tg)	80 - 95 °C
Melting Point (Tm)	260 - 290 °C
Moisture Content	≤ 0.5 %
Color (Hazen)	≤ 50

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