1,5-naphthylene di-isocyanate

Description

## 1,5-Naphthylene Di-isocyanate (NDI)

1,5-Naphthylene di-isocyanate (NDI) is an organic compound with the chemical formula C12H6N2O2. It is a **diisocyanate**, meaning it contains two isocyanate (-N=C=O) groups. These groups are attached to a naphthalene ring, which is a fused aromatic ring system consisting of two benzene rings.

**Importance in Research:**

NDI is an important compound in research for several reasons:

* **Monomer for High-Performance Polymers:** NDI is a key monomer used in the synthesis of various high-performance polymers, including polyimides, polyamides, and polyurethanes. These polymers exhibit excellent properties like high thermal stability, mechanical strength, and chemical resistance, making them suitable for applications in aerospace, electronics, and automotive industries.
* **Organic Electronics:** NDI-based polymers are employed in organic electronics due to their ability to transport charge carriers efficiently. They find use in transistors, solar cells, and organic light-emitting diodes (OLEDs).
* **Advanced Materials:** NDI can be incorporated into various materials to enhance their properties. For example, it can be used to create self-healing materials, stimuli-responsive materials, and materials with improved mechanical properties.
* **Catalysis:** NDI derivatives have been explored as catalysts for various organic reactions, particularly in the field of green chemistry.
* **Biomedical Applications:** NDI has been investigated for its potential use in biomaterials, drug delivery systems, and tissue engineering.

**Key Advantages of NDI:**

* **High Reactivity:** The isocyanate groups in NDI are highly reactive, enabling efficient polymerization and modification reactions.
* **Planar Structure:** The rigid planar structure of NDI promotes strong intermolecular interactions, contributing to the excellent mechanical and thermal properties of resulting polymers.
* **Electron-Deficient Nature:** NDI's electron-deficient nature makes it a good acceptor in charge-transfer complexes, which is crucial for its applications in organic electronics.

**Overall, 1,5-Naphthylene di-isocyanate is a versatile building block with vast potential for creating innovative materials with advanced properties.** Research efforts continue to explore its diverse applications in various fields, including materials science, chemistry, and engineering.

1,5-naphthylene di-isocyanate: implicated in occupational asthma [Medical Subject Headings (MeSH), National Library of Medicine, extracted Dec-2023]