| Judul | PENGEMBANGAN PROSES PENYAMAKAN KULIT KAMBING UNTUK MEMBUAT KULIT NAPPA SEBAGAI BAHAN PAKAIAN |
|---|---|
| Tahun | 1991 |
| Pelaksana | Sudiyono, B.Sc, andjar Siswati, Rusman Saroso |
| Pembantu Pelaksana | Kardi, Samadi, Darmawan, B.Sc, Sarjono |
| Kata Kunci | Penyamakan, Kulit Kambing, Nappa, Pakaian |
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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;} </style> <![endif]--> <p style="text-align:justify;line-height:150%" class="MsoNormal"><span style="font-size:12.0pt;line-height:150%;font-family:"Times New Roman","serif"">Kelompok kerja ini bertugas menangani pengembangan penggunaan formaldehida sebagai pengganti sebagian dari bahan penyamak krom pada proses penyamakan kulit nappa untuk bahan pakaian dari kulit kambing.</span></p> <p style="text-align:justify;line-height:150%" class="MsoNormal"><span style="font-size:12.0pt;line-height:150%;font-family:"Times New Roman","serif"">Kegiatannya dibagi menjadi 3 tahap, yaitu:</span></p> <p style="text-align:justify;text-indent:-.25in; line-height:150%;mso-list:l0 level1 lfo1" class="MsoListParagraphCxSpFirst"><span style="font-size:12.0pt;line-height:150%;font-family:"Times New Roman","serif"; mso-fareast-font-family:"Times New Roman""><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman""> </span></span></span><span style="font-size:12.0pt;line-height:150%; font-family:"Times New Roman","serif"">Memproses 40 lembar kulit kambing awet garaman basah menjadi kulit pikel</span></p> <p style="text-align:justify;text-indent:-.25in; line-height:150%;mso-list:l0 level1 lfo1" class="MsoListParagraphCxSpMiddle"><span style="font-size:12.0pt;line-height:150%;font-family:"Times New Roman","serif"; mso-fareast-font-family:"Times New Roman""><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman""> </span></span></span><span style="font-size:12.0pt;line-height:150%; font-family:"Times New Roman","serif"">Memproses 4 lembar kulit kambing pikel untuk pengembangan pendahuluan. Menyamak masing-masing 18 lembar kulit kambing pikel dengan formaldehida 5,0% dan 6,0% (larutan 40%). Setiap 3 lembar kulit samak formalin disamak ulang dengan bahan penyamak krom (dengan 0,5%, 1,0%, dan 1,5% krom oksida), dengan satu kali ulangan. Kemudian proses dilanjutkan sampai menjadi kulit keras.</span></p> <p style="text-align:justify;text-indent:-.25in; line-height:150%;mso-list:l0 level1 lfo1" class="MsoListParagraphCxSpMiddle"><span style="font-size:12.0pt;line-height:150%;font-family:"Times New Roman","serif"; mso-fareast-font-family:"Times New Roman""><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman""> </span></span></span><span style="font-size:12.0pt;line-height:150%; font-family:"Times New Roman","serif"">Setelah kulit kambing dicat tutup menjadi kulit nappa untuk bahan pakaian, lalu dilakukan pengujian.</span></p> <p style="text-align:justify;line-height:150%" class="MsoListParagraphCxSpLast"><span style="font-size:12.0pt;line-height:150%;font-family:"Times New Roman","serif"">Uji fisis meliputi pencucian kering (dry cleaning), tembus uap air, kekuatan tarik, kemuluran, kekuatan jahit dan kekuatan sobek. Uji kimiawi meliputi kadar abu, kadar krom oksida, kadar minyak/lemak, pH dan kadar formaldehida.</span></p> <p style="text-align:justify;line-height:150%" class="MsoNormal"><span style="font-size:12.0pt;line-height:150%;font-family:"Times New Roman","serif"">Setelah analisa statistic dari data hasil uji, dapat disimpulkan bahwa tidak ada satupun variasi perlakuan yang sepenuhnya memenuhi syarat untuk bahan pakaian. Sekalipun begitu, yang terbaik hasil uji fisisnya adalah penyamakan dengan kombinasi 6,0% formaldehida dan 1,5% krom oksida, dan yang paling hemat penggunaan bahan kimianya dengan sifat fisis yang tidak jauh berbeda adalah penyamakannya dengan kombinasi 5,0% formaldehida dan 0,5% krom oksida.</span></p> </div> |
| Kategori | Kulit |