Kriswandono, Yishar (2021) Sintesis dan Karakterisasi Komposit PANI/ZrSiO4 sebagai Bahan Pelapis pada Baja Karbon Rendah. Masters thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Pada penelitian ini, komposit PANI/ZrSiO4 telah disintesis melalui metode polimerisasi oksidasi in-situ. ZrSiO4 (zirkon) yang digunakan berasal dari bahan dasar pasir zirkon Kereng Pangi, Kalimantan Tengah, dan diekstraksi dengan HCl dan NaOH leaching untuk mendapatkan ZrSiO4 dengan kemurnian yang lebih tinggi. Terdapat tiga variasi komposisi ZrSiO4 pada komposit PANI/ZrSiO4, yaitu 2 vol%, 4 vol%, dan 6 vol%. Pada proses polimerisasi oksidasi in-situ, Sodium Dodecyl Benzene Sulfonate (SDBS) digunakan sebagai surfaktan, dan asam klorida (HCl) digunakan sebagai dopan. Proses pelapisan komposit PANI/ZrSiO4 pada substrat baja karbon rendah dilakukan dengan penyemprotan (spraying). SDBS dan HCl berpengaruh terhadap keteraturan susunan rantai polimer. Penambahan SDBS dan HCl tidak berpengaruh terhadap gugus fungsi karakteristik pada PANI, namun berpengaruh terhadap peningkatan konduktivitas listriknya. PANI yang disintesis dengan penambahan SDBS menghasilkan struktur morfologi berupa pita. Berdasarkan data XRD, interaksi antara PANI dan ZrSiO4 dalam komposit PANI/ZrSiO4 tidak menghasilkan fase baru. Gugus fungsi pada masing-masing PANI dan ZrSiO4 dapat terdentifikasi pada spektrum FTIR dari komposit PANI/ZrSiO4. PANI yang terbentuk pada komposit PANI/ZrSiO4 melingkupi partikel ZrSiO4. Terjadi penurunan nilai konduktivitas listrik ac pada komposit PANI/ZrSiO4 seiring dengan persentase ZrSiO4 yang semakin besar.
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PANI/ZrSiO4 composite has been synthesized through in-situ oxidative polymerization. ZrSiO4 was obtained from zircon sand located in Kereng Pangi, Central Kalimantan, and was extracted from the impurities by HCl and NaOH leaching. The compositions of ZrSiO4 in PANI/ZrSiO4 composite are 2 vol%, 4 vol%, and 6 vol%. In the process of in-situ oxidative polymerization, SDBS and HCl were used as surfactant and dopan, respectively. PANI/ZrSiO4 composite was coated on the surface of low carbon steel by spraying method. SDBS and HCl affect the regularity of polymer chain in PANI. The presence of SDBS and HCl doesn’t give any significant effect in the functional groups of PANI. PANI has ribbon-like morphology due to the presence of SDBS. The electrical conductivity of PANI increases due to the addition of SDBS and HCL. According to XRD data of PANI/ZrSiO4 composite, there is no a new peak identified. The identified FTIR peaks of PANI/ZrSiO4 composite are from the functional groups of each PANI and ZrSiO4. PANI covers the surface of ZrSiO4 particle in PANI/ZrSiO4 composite. The ac conductivity of PANI/ZrSiO4 composite decreases as the content of ZrSiO4 increases
| Item Type: | Thesis (Masters) |
|---|---|
| Uncontrolled Keywords: | polyaniline, polimerisasi, zirkon |
| Subjects: | Q Science > QC Physics > QC173.4.C63 Composite materials Q Science > QD Chemistry > Polymerization |
| Divisions: | Faculty of Science and Data Analytics (SCIENTICS) > Physics > 45101-(S2) Master Thesis |
| Depositing User: | Yishar Kriswandono |
| Date Deposited: | 01 Sep 2021 04:15 |
| Last Modified: | 01 Sep 2021 04:15 |
| URI: | http://repository.its.ac.id/id/eprint/91329 |
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