Description

2,6-Naphthalenedicarboxylic Acid, Dimethyl Ester, Polymer With Dimethyl 1,3-Benzenedicarboxylate And 1,2-Ethanediol is a high-performance engineering thermoplastic, specifically a copolyester derived from naphthalate and terephthalate monomers. This material is valued for its exceptional thermal stability, mechanical strength, and excellent barrier properties, making it a superior alternative to conventional polyesters. It is primarily sought after by manufacturers in the packaging, electronics, and automotive industries for producing high-grade films, fibers, and molded components that require durability under demanding conditions.

Application

• Advanced Packaging Films: Used to manufacture high-barrier films for food and beverage packaging, providing excellent resistance to gases like oxygen and carbon dioxide to extend shelf life.
• High-Performance Fibers: Serves as a key raw material for producing industrial and technical fibers with superior tensile strength and thermal resistance.
• Engineering Plastics: Utilized in injection molding and extrusion processes to create durable components for the automotive and electronics sectors, such as connectors and under-the-hood parts.
• Specialty Coatings: Applied in formulations for coatings that require enhanced chemical resistance and weatherability.
• Optical Films: Employed in the production of films for liquid crystal displays (LCDs) and other optical applications due to its clarity and dimensional stability.

Basic Information

Product Name	2,6-Naphthalenedicarboxylic Acid, Dimethyl Ester, Polymer With Dimethyl 1,3-Benzenedicarboxylate And 1,2-Ethanediol
CAS No.	35626-18-7
Molecular Formula	(C14H12O4.C10H8O4.C2H6O2)x
Molecular Weight	Polymer - Contact for details
Synonyms	Poly(ethylene 2,6-naphthalate-co-ethylene terephthalate); PEN/PET Copolymer; Poly(ethylene naphthalate-co-ethylene terephthalate); 2,6-NDA Dimethyl Ester Polymer with DMT and Ethylene Glycol; Poly(ethylene-co-1,2-ethanediyl 2,6-naphthalenedicarboxylate-co-1,4-benzenedicarboxylate); PEN-PET Copolyester; NDAME-DMT-EG Polymer; CAS 35626-18-7
EINECS	Contact for details

Quality Control

Our production of 2,6-Naphthalenedicarboxylic Acid, Dimethyl Ester, Polymer With Dimethyl 1,3-Benzenedicarboxylate And 1,2-Ethanediol adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. Each lot is characterized for critical parameters including intrinsic viscosity, thermal transitions, and copolymer composition. Certificates of Analysis (COA) documenting full specifications are provided with every shipment to support your quality assurance and regulatory compliance needs.

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 - 0.80 dL/g (or as specified)
Melting Point (DSC)	220 - 260 °C
Glass Transition Temp (Tg)	110 - 130 °C
Moisture Content	< 0.5 %
Ash Content	< 0.1 %

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