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Analisis Fasa Dan Struktur Mikro Nanopartikel CaCO3 Hasil Mechanical Milling Sebagai Filler Nanokomposit HDPE/ CaCO3

Deswita Deswita, Wisnu Ari Adi

Jurnal Kimia dan Kemasan · 2011

doi:10.24817/jkk.v33i2.1848 (opens in a new tab)

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Abstract

<div class="page" title="Page 60"><div class="layoutArea"><div class="column"><p><span>Telah dilakukan karakterisasi struktur </span><span>single phase </span><span>nanopartikel CaCO</span><span>3 </span><span>dengan menggunakan </span><span>mechanical milling </span><span>sebagai </span><span>filler </span><span>nanokomposit </span><span>HDPE</span><span>/CaCO</span><span>3</span><span>. Sampel CaCO</span><span>3 </span><span>di </span><span>milling </span><span>dengan variasi waktu selama 6, 12, 18, dan 24 jam. Hasil </span><span>refinement </span><span>dari pola difraksi sinar-X menunjukkan bahwa sampel CaCO</span><span>3 </span><span>setelah </span><span>milling </span><span>24 jam merupakan </span><span>single phase </span><span>calcite berstruktur hexagonal dengan space group R -3 c (167) dan parameter struktur </span><span>a </span><span>= 4.9951(5) Å, </span><span>b </span><span>= 4.9951(5) Å dan</span><span>c</span><span>=17.082(2)Å,</span><span>α</span><span>=</span><span>β</span><span>=90</span><span>o </span><span>dan</span><span>γ</span><span>=120</span><span>o</span><span>,V= 369,1(1) Å</span><span>3 </span><span>dan </span><span>ρ </span><span>= 2.701 gr.cm</span><span>-3</span><span>. Ukuran partikel menjadi lebih kecil berkisar 200 nm sampai 1 </span><span>μ</span><span>m. Sedangkan ukuran kristalitnya sebesar 24,88 nm. Disimpulkan bahwa telah berhasil dibuat polimer nanokomposit </span><span>HDPE</span><span>/CaCO</span><span>3 </span><span>dengan </span><span>filler </span><span>nanopartikel CaCO</span><span>3 </span><span>yang terdistribusi merata di seluruh permukaan polimer, sehingga tujuan dari penelitian ini telah tercapai dengan baik. </span></p></div></div></div>

Abstract licence: CC BY-SA

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