Judul | Pembuatan Karet Tromol untuk Kendaraan Bermotor Roda Dua |
---|---|
Tahun | 2015 |
Pelaksana | Ir. Arum Yuniari Ir. Dwi Wahini Nurhajati, M.Eng Ike Setyorini, ST Hesty Eka Mayasari, ST |
Pembantu Pelaksana | - |
Kata Kunci | - |
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mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} </style> <![endif]--> <p align="justify" class="MsoNormal" style="margin-top:0in;margin-right:.75in;margin-bottom:0in; margin-left:21.0pt;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph; line-height:98%;mso-pagination:none;tab-stops:477.0pt;mso-layout-grid-align: none;punctuation-wrap:simple;text-autospace:none"><span style="mso-ascii-font-family: Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:Calibri">Penelitian pembuatan karet tromol kendaraan bermotor roda dua bertujuan mendapatkan formulasi dan hasil uji yang memenuhi persyaratan teknis perusahaan. Bahan baku yang digunakan untuk membuat karet tromol adalah EPDM dan campuran EPDM/NR. Vulkanisat karet tromol dari bahan EPDM dibuat dengan variasi bahan pengisi carbon black 50 phr; 60 phr dan 70 phr. Sistem vulkanisasi yang digunakan ada 3 (tiga) yaitu: SEV, EV dan CV. Adapun vulkanisat karet tromol yang dibuat dari campuran EPDM dan karet alam dibuat dengan variasi bahan baku EPDM/NR sebagai berikut: 80/20 phr; 70/30 phr; 60/40 phr; 50/50 phr dan 40/60 phr. Bahan pengisi carbon black dibuat tetap yaitu 70 phr. Proses komponding menggunakan alat two roll mill. Proses komponding untuk kompon EPDM dan NR menggunakan metode kutativ. Proses vulkanisasi dengan alat hydraulic press tekanan 150 kg/cm 2. Pengujian yang diamati meliputi tegangan putus dan perpanjangan putus awal dan sesudah aging, ketahanan sobek awal dan sesudah aging, kekerasan awal dan sesudah aging, compression set suhu swelling, ketahanan kikis, SEM danTG/DTA. Hasil uji menunjukkan bahwa vulkanisat karet tromol bahan EPDM dengan bahan pengisi carbon black 70 phr di proses dengan sistem vulkanisasi EV memenuhi persyaratan teknis perusahaan. </span></p> |
Kategori | Karet |