Modifying the Fiber Structure and Filtration Performance of Polyester Materials Based on Two Different Preparation...

Area of Science:

• Materials Science
• Environmental Engineering
• Chemical Engineering

Background:

• Improving indoor air quality is crucial for public health.
• Polyester materials are widely used in air filtration applications.
• Enhancing the performance of existing filter materials is an ongoing research area.

Purpose of the Study:

• To synthesize and improve polyester filter materials for enhanced air filtration.
• To investigate the structural and performance characteristics of modified polyester fibers.
• To evaluate the effectiveness of carbon black coating on filtration efficiency.

Main Methods:

• Two different preparation methods were used for polyester material synthesis and modification.
• Carbon black coating was applied to polyester filter fibers.
• Filtration performance was tested for various particulate matter sizes (PM10, PM2.5, PM1).
• Structural analysis and filtration efficiency tests were conducted.

Main Results:

• Carbon black coating was successfully applied to polyester filter fibers.
• Filtration efficiencies for PM10, PM2.5, and PM1 increased by 0.88-6.26%, 1.68-8.78%, and 0.42-4.84%, respectively.
• The modified materials showed improved filtration for particulates sized 1.0-5.0 μm.
• Direct impregnation method yielded superior filtration performance, with G4 outperforming G3.

Conclusions:

• The synthesized polyester filter materials with carbon black coating demonstrate enhanced filtration performance.
• The direct impregnation method is effective for improving air filter materials.
• The findings provide valuable data for selecting synthetic methods for new filter materials and improving air quality.