4-Butyl-N,N-diphenylaniline homopolymer
[CAS# 472960-35-3]

Identification

• Classification: Organic raw materials >> Aryl compounds >> Anilines
• Name: 4-Butyl-N,N-diphenylaniline homopolymer
• Synonyms: Poly-TPD
• Molecular Formula: (C₂₂H₂₃N)_x
• Molecular Weight: >20000
• CAS Registry Number: 472960-35-3
• SMILES: CCCCC1=CC=C(C=C1)N(C2=CC=CC=C2)C3=CC=CC=C3

Properties

• Density: 1.1±0.1 g/cm³, Calc.^*
• Index of Refraction: 1.607, Calc.^*
• Boiling Point: 431.5±24.0 ºC (760 mmHg), Calc.^*
• Flash Point: 190.3±19.8 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software.

Safety Data

• Hazard Symbols: GHS07 Warning
• Hazard Statements: H302-H315-H319
• Precautionary Statements: P501-P270-P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313-P301+P312+P330

Discovory and Applicatios

4-Butyl-N,N-diphenylaniline homopolymer is a polymeric compound formed from the polymerization of 4-butyl-N,N-diphenylaniline monomers. The structure of this polymer features a long carbon chain with a butyl group attached to the aniline backbone, along with phenyl groups at the nitrogen position. This configuration imparts specific properties such as enhanced stability, solubility, and electrical conductivity, making it of interest in a variety of technological and industrial applications.

The discovery of 4-butyl-N,N-diphenylaniline homopolymer can be traced to research in organic polymers and conductive materials. Aniline derivatives, particularly those with substituted phenyl groups, have been studied for their ability to form conducting polymers with unique optical and electronic characteristics. The presence of the butyl group in 4-butyl-N,N-diphenylaniline improves the solubility of the polymer, which is essential for processing and application in various forms, such as films, coatings, and composites.

One of the primary applications of 4-butyl-N,N-diphenylaniline homopolymer is in the field of organic electronics, particularly organic light-emitting diodes (OLEDs). OLEDs are a rapidly developing technology used in displays, lighting, and signage. The polymer's electrical conductivity and ease of processing make it suitable for use as a component in the fabrication of OLEDs. It can be used as a hole-transporting material or an emissive layer in OLEDs, contributing to the efficient generation of light when an electrical current is applied. The stability of the polymer also plays a critical role in improving the lifespan of OLED devices, which is a significant factor in commercial applications.

In addition to OLEDs, 4-butyl-N,N-diphenylaniline homopolymer has been explored for use in organic solar cells (OSCs). The polymer's semiconducting properties allow it to participate in charge transport within OSCs, which convert sunlight into electrical energy. The polymer can function as a donor material in the bulk heterojunction of OSCs, where it facilitates the conversion of absorbed light into electrical current. Research into optimizing the charge transfer properties of such polymers continues to advance the efficiency of OSCs, making them more viable for large-scale energy production.

Another area of interest for 4-butyl-N,N-diphenylaniline homopolymer is in sensors and field-effect transistors (FETs). Its conductivity and stability make it suitable for use in organic semiconductors, which are critical components in the development of flexible electronics. As the demand for flexible and stretchable electronic devices grows, the need for versatile, solution-processable materials like 4-butyl-N,N-diphenylaniline homopolymer becomes increasingly important.

In addition to its applications in electronics, the polymer has potential uses in coatings and surface modification. The butyl side chain improves the polymer's compatibility with various substrates, allowing it to be used as a coating material in industrial applications. This includes protective coatings for metal surfaces or films used in displays and electronic devices.

In summary, 4-butyl-N,N-diphenylaniline homopolymer is a versatile material with significant potential in organic electronics, including OLEDs, organic solar cells, and flexible semiconductors. Its electrical conductivity, solubility, and stability make it valuable for use in various technologies that require efficient charge transport and processing flexibility. As research into organic polymers continues, compounds like 4-butyl-N,N-diphenylaniline homopolymer are expected to play an important role in the advancement of energy-efficient and flexible electronic devices.

References

2007. Preparation of poly(4-butyltriphenylamine) particles by chemical oxidative dispersion polymerization. Colloid and Polymer Science, 285.
DOI: 10.1007/s00396-007-1779-5

2019. Electrochromic polymers for solar cells. Polymers and Polymeric Composites: A Reference Series, 22.
DOI: 10.1007/978-3-319-95987-0_22

2013. Synthesis and characterization of thermally cross-linkable trimer based on triphenylamine. Macromolecular Research, 21.
DOI: 10.1007/s13233-013-1116-4