Description

2,6-Naphthalenedicarboxylic Acid, Dimethyl Ester, Polymer With 1,4-Benzenedicarboxylic Acid And 1,2-Ethanediol is a high-performance engineering polymer, specifically a polyethylene naphthalate (PEN) copolymer. This material is engineered to deliver superior thermal stability, mechanical strength, and excellent barrier properties compared to standard polyesters. It is a critical raw material for manufacturers requiring advanced polymer solutions in demanding environments. Key industries that utilize this polymer include specialty packaging, high-performance films, and advanced electronics.

Application

• High-Performance Packaging Films: Used to manufacture films with exceptional gas barrier properties (e.g., against oxygen and carbon dioxide) for food and beverage packaging, extending shelf life.
• Industrial and Specialty Fibers: Serves as a precursor for high-tenacity, high-modulus fibers used in tire cord, industrial belts, and advanced composites.
• Electronic Components: Employed in the production of flexible printed circuit boards (FPCBs), capacitors, and other components requiring excellent dimensional stability and heat resistance.
• Magnetic Recording Media: Used as a base film for high-density data storage tapes due to its superior mechanical and thermal properties.
• Automotive Parts: Utilized in under-the-hood components and other automotive applications where resistance to high temperatures and fuels is critical.
• Solar Cell Backsheets: Acts as a durable, weather-resistant protective layer in photovoltaic modules.
• Advanced Engineering Plastics: A key monomer for producing PEN resins and copolymers for injection molding and extrusion applications.

Basic Information

Product Name	2,6-Naphthalenedicarboxylic Acid, Dimethyl Ester, Polymer With 1,4-Benzenedicarboxylic Acid And 1,2-Ethanediol
CAS No.	27289-84-5
Molecular Formula	(C14H12O4 · C8H6O4 · C2H6O2)x
Molecular Weight	Polymer - Contact for details
Synonyms	Poly(ethylene 2,6-naphthalate-co-ethylene terephthalate); PEN-co-PET; Poly(ethylene terephthalate-co-2,6-naphthalate); 2,6-NDC Dimethyl Ester Copolymer with TPA and EG; Poly(ethylene terephthalate/naphthalate); NDME Polymer with PTA and EG; Copolyester of Ethylene Glycol, Terephthalic Acid, and 2,6-Naphthalenedicarboxylic Acid Dimethyl Ester
EINECS	Contact for details

Quality Control

Our production of this high-performance copolymer adheres to strict quality management systems to ensure batch-to-batch consistency and performance reliability. Quality is verified through a comprehensive suite of analytical tests, including intrinsic viscosity (IV) measurement, differential scanning calorimetry (DSC) for thermal properties, and compositional analysis via NMR or FTIR. A Certificate of Analysis (COA) detailing key specifications such as copolymer ratio, melting point, and color is provided with each shipment to guarantee it meets your technical 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 strong oxidizing agents and moisture to prevent degradation of polymer properties. For long-term storage, a nitrogen blanket is recommended to maintain optimal quality.

Specification

Item	Specification
Appearance	White to off-white pellets or powder
Intrinsic Viscosity (IV)	0.50 - 0.90 dL/g (Typical)
Melting Point (DSC)	210 - 260 °C
2,6-NDC Content	10 - 50 mol%
Color (L* value)	> 80
Moisture Content	< 0.5 %
Identification (IR)	Conforms to standard

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