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Beyond carbon fiber: boron nitride nanotube reinforced PC/PBT, industrial grade FDM 3D printing new material

2024-04-28 17:51

Boron nitride nanotubes (BNNT) materials exhibit a unique tubular structure and have shown great application prospects in the aerospace and defense manufacturing industries due to their excellent strength, lightweight, and high temperature resistance. However, the application of boron nitride nanotubes in 3D printing materials is still rare in the market. This article aims to provide a detailed introduction to a novel 3D printing composite material of boron nitride nanotube reinforced polycarbonate (PC) and polybutylene terephthalate (PBT).
 

Boron nitride nanotubes are a type of nanoscale material known for their high strength, high modulus, excellent thermal conductivity, and electrical insulation properties. When these nanotubes are integrated into the polymer, they can greatly enhance the overall performance of the composite material. Polycarbonate (PC) is an impact resistant thermoplastic, while polybutylene terephthalate (PBT) is known for its excellent processability, heat resistance, and chemical stability. By combining PC and PBT with boron nitride nanotubes, a 3D printing material with excellent comprehensive performance can be produced. This material not only has excellent mechanical strength and thermal stability, but also enhanced chemical resistance.
 

Boron nitride nanotube reinforced PC/PBT has a finer printing effect, durability, and interlayer strength compared to carbon fiber reinforced nylon wire, which can provide nano level reinforced materials for any 3D printing manufacturer to meet their printing needs.
 

The unique advantages of boron nitride nanotubes in improving polymer performance have been innovatively applied in 3D printing technology. Manufacturers have utilized this advanced material to develop enhanced 3D printed silk materials for the first time, including PC/PBT and PEI9085, achieving nanoscale reinforcement of these materials. These materials exhibit superior performance in various aspects compared to traditional carbon fiber reinforced silk materials:

Improvement of interlayer strength: increases the structural integrity and durability of printed materials, especially when subjected to mechanical loads.
High strength and stiffness: This allows printed materials to be used in more demanding application environments, such as the aerospace industry.
Good durability and a certain degree of flexibility: Provides materials that are both strong and resilient, suitable for manufacturing complex industrial parts.
Non clogging nozzle: ensures the continuity and stability of the 3D printing process.
Electrical insulation: making the material suitable for the manufacturing of electronic and electrical components.
High printing accuracy: ensures high-quality manufacturing of complex details and precision parts.
Resistant to fuel, solvents, and seawater: suitable for applications under various environmental conditions.
Good high and low temperature impact performance: enhances the potential application of the material under extreme temperature conditions.
These advantages make boron nitride nanotubes reinforced PC/PBT 3D printing materials have broad application potential in various fields such as aerospace, transportation, medical equipment, tool manufacturing, electrical components, mechanical and electric tools, etc. Especially in application scenarios that require high performance, durability, and precision, this material provides advantages that traditional materials cannot match.