Description

Poly(Ethylene 2,6-Naphthalenedicarboxylate) CAS NO 25853-85-4 is a high-performance thermoplastic polyester renowned for its exceptional barrier properties, thermal stability, and mechanical strength. This polymer is critical for applications demanding superior protection against gases, moisture, and chemicals, offering a reliable solution for extended product shelf life and performance under stress. It is primarily sought after by manufacturers in the packaging, electronics, and specialty films industries who require advanced material properties.

Application

• High-Barrier Packaging Films: Used for food and beverage packaging to provide excellent oxygen and carbon dioxide barrier, extending shelf life.
• Industrial and Specialty Films: Employed in capacitors, flexible printed circuits, and magnetic tapes due to its dimensional stability and electrical properties.
• Beverage Bottles (PEN): Serves as a premium material for bottles requiring high heat resistance and gas barrier, often in blends with PET.
• Automotive Parts: Utilized in under-the-hood components and connectors for its thermal and chemical resistance.
• Thermoformed Containers: Ideal for hot-fill food containers and microwaveable trays.
• Fibers and Engineering Plastics: Used in tire cord, industrial yarns, and high-performance plastic parts.

Basic Information

Product Name	Poly(Ethylene 2,6-Naphthalenedicarboxylate)
CAS No.	25853-85-4
Molecular Formula	(C14H8O4·C2H4)n
Molecular Weight	Contact for details
Synonyms	PEN; Poly(ethylene naphthalate); Poly(ethylene 2,6-naphthalate); 2,6-Naphthalenedicarboxylic acid, 1,2-ethanediyl ester, homopolymer; Poly(oxy-1,2-ethanediyloxycarbonyl-2,6-naphthalenedicarbonyl); Poly(ethylenenaphthalene-2,6-dicarboxylate); Poly(oxyethyleneoxyterephthaloyl); Teonex® (Trade Name)
EINECS	Contact for details

Quality Control

Our Poly(Ethylene 2,6-Naphthalenedicarboxylate) is manufactured under stringent quality management systems. Each batch undergoes rigorous testing for key parameters including intrinsic viscosity, thermal properties, and color index to ensure consistency and performance for your specific application. Certificates of Analysis (COA) detailing purity, molecular weight distribution, and other critical specifications are available upon request.

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 excessive heat to maintain polymer integrity.

Specification

Item	Specification
Appearance	White to off-white pellets or powder
Identification (IR)	Conforms
Intrinsic Viscosity (IV)	0.50 - 0.90 dL/g (Grade dependent)
Melting Point (DSC)	260 - 270 °C
Glass Transition Temp (Tg)	115 - 125 °C
Moisture Content	< 0.1 %
Ash Content	< 0.05 %

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