Description

2,6-Naphthalenedicarboxylic Acid Polymer With 1,3-Propanediol is a high-performance polyester material derived from the polycondensation of 2,6-naphthalenedicarboxylic acid (2,6-NDA) and 1,3-propanediol. This polymer is valued for its exceptional thermal stability, mechanical strength, and excellent barrier properties, making it a superior engineering plastic. It is primarily sought after by manufacturers in the advanced packaging, specialty fibers, and high-temperature film industries seeking to enhance product performance and durability.

Application

• High-Barrier Packaging Films: Used to produce films with superior oxygen and moisture barrier properties for food, electronics, and pharmaceutical packaging.
• Specialty and Industrial Fibers: Serves as a raw material for high-strength, heat-resistant fibers used in tire cord, industrial belts, and advanced textiles.
• Engineering Plastics and Resins: Incorporated into polymer blends and compounds to enhance thermal stability, chemical resistance, and mechanical properties for automotive and electronic components.
• Liquid Crystal Polymers (LCPs): Acts as a monomeric building block in the synthesis of LCPs for connectors, sockets, and other precision molded parts.
• Hot-Fill and Retort Packaging: Ideal for containers and films that must withstand high-temperature filling and sterilization processes.
• Advanced Coating Materials: Utilized in formulations for protective and functional coatings requiring durability and resistance to environmental factors.

Basic Information

Product Name	2,6-Naphthalenedicarboxylic Acid Polymer With 1,3-Propanediol
CAS No.	28601-83-4
Molecular Formula	(C14H8O4·C3H8O2)n
Molecular Weight	Polymer - Contact for details
Synonyms	Poly(propylene 2,6-naphthalate); PPN; Poly(1,3-propylene 2,6-naphthalate); 2,6-NDA-1,3-PDO Polymer; Poly(1,3-propylene naphthalate); Poly(propylene naphthalate); Poly(2,6-naphthalenedicarboxylic acid-co-1,3-propanediol); Poly(1,3-propylene 2,6-naphthalenedicarboxylate)
EINECS	Contact for details

Quality Control

Our 2,6-Naphthalenedicarboxylic Acid Polymer With 1,3-Propanediol is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure consistent intrinsic viscosity, thermal properties, and compositional purity meet stringent specifications. A Certificate of Analysis (COA) detailing key parameters is provided with every shipment to guarantee traceability and compliance with 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 excessive heat to maintain polymer integrity.

Specification

Item	Specification
Appearance	White to off-white pellets or powder
Intrinsic Viscosity (IV)	0.50 - 0.90 dL/g (or as specified)
Melting Point (DSC)	≥ 240 °C
Glass Transition Temp (Tg)	≥ 70 °C
Acid Value	≤ 5.0 mg KOH/g
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.