Preparation Titanium Dioxide Combined Hydrophobic Polymer with Photocatalytic Self-Cleaning Properties

Sayekti Wahyuningsih; Rochmad E. Cahyono; Fitri N. Aini

doi:10.9767/bcrec.15.3.9225.874-884

DOI: https://doi.org/10.9767/bcrec.15.3.9225.874-884

Preparation Titanium Dioxide Combined Hydrophobic Polymer with Photocatalytic Self-Cleaning Properties

Sayekti Wahyuningsih

, Rochmad E. Cahyono, Fitri N. Aini

Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Sebelas Maret, Surakarta, Indonesia

Received: 20 Oct 2020; Revised: 9 Dec 2020; Accepted: 10 Dec 2020; Available online: 22 Dec 2020; Published: 28 Dec 2020.

Editor(s): Istadi Istadi

BibTex Citation Data :

@article{BCREC9225,
    author = {Sayekti Wahyuningsih and Rochmad Cahyono and Fitri Aini},
    title = {Preparation Titanium Dioxide Combined Hydrophobic Polymer with Photocatalytic Self-Cleaning Properties},
    journal = {Bulletin of Chemical Reaction Engineering & Catalysis},
  volume = {15},
    number = {3},
    year = {2020},
    keywords = {Self-cleaning; Photocatalytic; Sol-gel; TiO2/PDMS, methylene blue},
    abstract = { Titanium dioxide (TiO 2 ) and hydrophobic of TiO 2 /PDMS (PDMS = polydimethylsiloxane) have been prepared as photocatalytic self-cleaning materials. Synthesis of TiO 2  was carried out using the sol-gel method with titanium(IV) isopropoxide (TTIP) as a precursor and acetic acid as a solvent at a temperature of about 10–15 °C, while the synthesis of hydrophobic of TiO 2 /PDMS composites was carried out by a sonication method under ethanol solution. The results of XRD analysis of synthesized TiO 2  showed that TiO 2  was anatase phase. The glass-coated TiO 2 /PDMS were prepared by dip-coating under an ultrasonication bath. TiO 2 /PDMS composites at a ratio of TiO 2 /PDMS (1) on the glass plate showed hydrophobic properties, as evidenced by the contact angle of 104° before irradiation and the contact angle of 99.7° after irradiation. The synthesized titanium dioxide has irregular spherical morphology. The increase in PDMS content was correlated with an increase in the roughness of TiO 2 . PDMS not only acts as low surface energy but also binds TiO 2 . The hydrophobic behavior of PDMS creates TiO 2 /PDMS repel each other, gain irregular agglomeration structures. Beside having optimum contact angle, glass-coated TiO 2 /PDMS (1) is the best composition for degradation of methylene blue in 69.68% for 20 minutes irradiation.  Copyright © 2021 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (  https://creativecommons.org/licenses/by-sa/4.0  ).     },
   issn = {1978-2993},   pages = {874--884}  doi = {10.9767/bcrec.15.3.9225.874-884},
    url = {https://ejournal2.undip.ac.id/index.php/bcrec/article/view/9225}
}

Citation Format:

Abstract

Titanium dioxide (TiO₂) and hydrophobic of TiO₂/PDMS (PDMS = polydimethylsiloxane) have been prepared as photocatalytic self-cleaning materials. Synthesis of TiO₂ was carried out using the sol-gel method with titanium(IV) isopropoxide (TTIP) as a precursor and acetic acid as a solvent at a temperature of about 10–15 °C, while the synthesis of hydrophobic of TiO₂/PDMS composites was carried out by a sonication method under ethanol solution. The results of XRD analysis of synthesized TiO₂ showed that TiO₂ was anatase phase. The glass-coated TiO₂/PDMS were prepared by dip-coating under an ultrasonication bath. TiO₂/PDMS composites at a ratio of TiO₂/PDMS (1) on the glass plate showed hydrophobic properties, as evidenced by the contact angle of 104° before irradiation and the contact angle of 99.7° after irradiation. The synthesized titanium dioxide has irregular spherical morphology. The increase in PDMS content was correlated with an increase in the roughness of TiO₂. PDMS not only acts as low surface energy but also binds TiO₂. The hydrophobic behavior of PDMS creates TiO₂/PDMS repel each other, gain irregular agglomeration structures. Beside having optimum contact angle, glass-coated TiO₂/PDMS (1) is the best composition for degradation of methylene blue in 69.68% for 20 minutes irradiation. Copyright © 2021 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).

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Keywords: Self-cleaning; Photocatalytic; Sol-gel; TiO2/PDMS, methylene blue

Funding: Universitas Sebelas Maret under contract (PM-UNS) (Penelitian Mandatory 2019)

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Section: Original Research Articles

Language : EN

In 2020: BCREC Volume 15 Issue 3 Year 2020 (December 2020)

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