Li Fang

Title: Innovations of Li Fang in Sound-Absorbing Materials

Introduction

Li Fang is an accomplished inventor based in Taiyuan, China. He has made significant contributions to the field of sound-absorbing materials, particularly through his innovative patent. His work focuses on enhancing the properties of materials used for noise reduction, which is crucial in various applications.

Latest Patents

Li Fang holds a patent for a magnesium-based fly ash porous sound-absorbing material with a surface hydrophobically modified, along with its preparation method. This invention involves using basic magnesium sulfate cement as a cementing agent and fly ash as a mineral admixture to create a slurry. The process includes foaming through a physical foaming method, mixing the foam with the slurry, and curing the resulting mixture. The final product undergoes surface hydrophobic modification via vapor deposition. The sound-absorbing material boasts a density ranging from 251 kg/m³ to 306 kg/m³, a noise reduction coefficient (NRC) between 0.65 and 0.7, a compressive strength of 1.8 MPa to 2.2 MPa, and a water contact angle of 129° to 151°.

Career Highlights

Li Fang is affiliated with Shanxi University, where he continues to advance his research and development in innovative materials. His work has garnered attention for its practical applications in reducing noise pollution and improving acoustic environments.

Collaborations

Li Fang collaborates with notable colleagues, including Fangqin Cheng and Dongdong Zhou. Their combined expertise contributes to the ongoing research and development of sound-absorbing technologies.

Conclusion

Li Fang's innovative contributions to sound-absorbing materials demonstrate his commitment to advancing technology in this field. His patent reflects a significant step forward in creating effective solutions for noise reduction.