Fabrication of hydrophobic coating on filter paper based on PDMS/SiO2 particles

https://doi.org/10.31130/ud-jst.2025.23(10B).639E

Tóm tắt: 15 | PDF: 12

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Author

  • Hong Phan Duong
    The University of Danang - University of Science and Technology, Vietnam
    Doan Van Duong
    The University of Danang - University of Science and Education, Vietnam
    Phan Thi Thuy Hang
    The University of Danang - University of Science and Technology, Vietnam
    Vo Thi Thu Hien
    The University of Danang - University of Science and Technology, Vietnam

Từ khóa:

SiO2 nano particles
hydrophobic
PDMS

Tóm tắt

In this paper, the organic-inorganic hybrid hydrophobic coating was modified using polydimethylsiloxane (PDMS) as well as nano particles SiO2, with the objective of significatly enhancing the hydrophobic performance of filter paper through a dipping coating process. The prepared PDMS-SiO2 coating were characterized by scanning electron microscopy coupled with energy dispersive X-ray spectroscopy (SEM/EDS), Fourier transform infrared spectroscopy (FTIR). The incorporation of PDMS annd SiO2 particles was confirmed by EDS. In addition, the presence of organic groups (PDMS) on the surface of SiO2 particles were confirmed by Fourier Transform Infrared Spectroscopy (FTIR). The PDMS-SiO₂ coating exhibits a hydrophobic layer on the paper surface, with a maximum water contact angle of 83.5°, and hydrophobic properties were tested using methylene blue solution.

Tài liệu tham khảo

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Oct 31, 2025
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Duong, H. P., D. V. Duong, P. T. T. Hang, và V. T. T. Hien. “Fabrication of Hydrophobic Coating on Filter Paper Based on PDMS/SiO2 Particles”. Tạp Chí Khoa học Và Công nghệ - Đại học Đà Nẵng, vol 23, số p.h 10B, Tháng Mười 2025, tr 66-69, doi:10.31130/ud-jst.2025.23(10B).639E.

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