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All Journal Journal of Engineering and Technological Sciences JMM (Jurnal Masyarakat Mandiri) Jurnal Agrotek UMMat Jurnal Rekayasa Hijau Jurnal Teknologi Journal of Appropriate Technology for Community Services Quantum Teknika Charity : Jurnal Pengabdian Masyarakat Journal of Applied Agricultural Science and Technology ETAM: Jurnal Pengabdian kepada Masyarakat JPM-AKA Jurnal Teknologi Kimia Mineral Journal of Science and Social Development
Pani Satwikanitya
Prodi Teknologi Pengolahan Karet Dan Plastik, Politeknik ATK Yogyakarta
Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Other

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Pembuatan Produk Plastik Menggunakan Mesin Extrusion Blow Molding Kepada Siswa SMKN 2 Depok Sleman Pani Satwikanitya; Mario Sariski Dwi Ellianto; Andri Saputra; Ratri Retno Utami
Jurnal ETAM Vol. 5 No. 1 (2025): FEBRUARY
Publisher : Politeknik Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46964/etam.v5i1.1177

Abstract

Dengan pertumbuhan industri plastik yang semakin pesat tentunya sangat berpengaruh pada kebutuhan tenaga kerja industri. Pelatihan ini bertujuan untuk memberikan bekal keterampilan pembuatan produk plastik dengan menggunakan mesin extrusion blow molding kepada siswa dan siswi SMKN 2 Depok Sleman. Pelatihan dilakukan dengan metode sosialisasi dan praktik kepada 35 peserta siswa dan siswi SMKN 2 Depok Sleman. Evaluasi pelatihan dilakukan dengan metode angket menggunakan kuesioner. Hasil pelatihan menunjukkan bahwa peserta pelatihan mampu membuat produk plastik dengan menggunakan mesin extrusion blow molding. Peserta pelatihan menunjukkan antusiasme dan keaktifan yang tinggi selama kegiatan, serta memberikan umpan balik positif terkait pelaksanaan kegiatan. Hasil evaluasi keterserapan materi yang disampaikan selama pelatihan menunjukkan bahwa terjadi peningkatan nilai rerata dari 60,57 (pretest) menjadi 89,40 (posttest). Penilaian peserta terhadap berbagai aspek pelatihan juga menunjukkan hasil yang baik, dengan rata-rata nilai mencapai 4,45.
Pembuatan Bantalan Dermaga Menggunakan Karet Bekas (Reclaimed Rubber) Sitio, Brian Agriel Saragih; Satwikanitya, Pani
Rekayasa Hijau : Jurnal Teknologi Ramah Lingkungan Vol 9, No 1 (2025)
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/jrh.v9i1.11-21

Abstract

ABSTRAKTingginya harga karet bahan baku dan faktor kepedulian terhadap lingkungan dapat menjadikan karet bekas (reclaimed rubber) sebagai alternatif bahan yang hemat biaya untuk banyak aplikasi produk karet, seperti bantalan dermaga. Studi ini mempelajari pemanfaatan karet bekas dalam pembuatan bantalan dermaga dengan memvariasikan jumlah (phr) karet bekas dalam kompon, masing-masing 0, 15, 35, dan 50 phr. Pengujian sifat mekanik dilakukan untuk mengetahui pemenuhan kualitas produk berdasarkan SNI. Sementara, biaya bahan baku dievaluasi berdasarkan harga kompon/kg. Penambahan karet bekas dalam kompon mempengaruhi sifat mekanik vulkanisat. Ketidakhomogenan kompon dan pemutusan ikatan saat proses reclaiming menyebabkan penurunan sifat mekanik vulkanisat karet bantalan dermaga. Penggunaan karet bekas sebesar 15 phr menghasilkan produk yang paling baik, yaitu harga rendah dengan sifat mekanik yang optimal. Karet bekas sebesar 15 phr yang dicampurkan dalam kompon bantalan dermaga mampu memberikan harga yang lebih ekonomis dan penurunan biaya bahan baku mencapai 6,73% dengan harga kompon sebesar Rp26.455,47/kg. Hasil pengujian vulkanisat yang mengandung karet bekas 15 phr (R15) memenuhi persyaratan mutu SNI 06-3568-2006 Vulkanisat karet kompon bantalan dermaga, meliputi tegangan putus, perpanjangan putus, ketahanan sobek, dan kekerasan dengan nilai masing-masing sebesar 173,69 kgf/cm2; 470,67%; 97,34 kgf/cm; dan 71,40 Shore A.Kata kunci: bantalan dermaga, fender, karet bekas, reclaimed rubber, sifat mekanikABSTRACTDue to the cost of raw rubber and environmental considerations, waste rubber can be a cost-effective alternative material for many rubber product applications, such as marine rubber fender. This study investigates the utilisation of waste rubber in the manufacture of marine rubber fender by varying the amount (phr) of waste rubber in the compound, by 0, 15, 35, and 50 phr, respectively. Mechanical properties testing was conducted to determine the fulfilment of product quality based on SNI. Meanwhile, the cost of raw materials was evaluated based on the price of compound/kg. Adding waste rubber to the compound affects the vulcanizate's mechanical properties. The inhomogeneity of the compound and the breaking of bonds during the reclaiming process cause a reduction in the mechanical properties of the rubber vulcanizate for marine rubber fender. Using 15 phr waste rubber results in an optimum product that is inexpensive and has optimum mechanical properties. Waste rubber of 15 phr mixed in the marine rubber fender compound can provide a more economical price and a decrease in raw material cost that reaches 6.73% with a compound price of IDR 26,455.47/kg. The test results of vulcanizate containing 15 phr waste rubber (R15) meet the quality requirements of SNI 06-3568-2006 Vulkanisat karet kompon bantalan dermaga, including tensile strength, elongation at break, tear strength and hardness with respective values of 173.69 kgf/cm2; 470.67%; 97.34 kgf/cm; and 71.40 Shore A.Keywords: rubber fender, fender, waste rubber, reclaimed rubber, mechanical properties
PEMBERDAYAAN MASYARAKAT DALAM PENGELOLAAN SAMPAH DENGAN MENERAPKAN TEKNOLOGI PIROLISIS PLASTIK DI BANK SAMPAH SIDOMULYO MAJU BAMBANGLIPURO Listyalina, Latifah; Syahbani, Muhammad Wahyu; Ratnaningsih, Wahyu; Saputra, Andri; Satwikanitya, Pani; Ellianto, Mario Sarisky Dwi; Suharyanto, Suharyanto; Pambudi, Wisnu
Charity : Jurnal Pengabdian Masyarakat Vol. 7 No. 2 (2024): Charity-Jurnal Pengabdian Masyarakat
Publisher : PPM Universitas Telkom

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Abstract

Keberadaan sampah merupakan suatu hal yang mempunyai banyak dampak negatif pada manusia dan lingkungan sekitar, khususnya sampah plastik yang merupakan material yang sulit terurai di alam. Bank Sampah Sidomulyo Maju merupakan bank sampah yang terletak di Desa Sidomulyo, Bambanglipuro, Bantul. Berdasarkan informasi yang di peroleh dari website dan perangkat desa Sidomulyo, kegiatan yang saat ini berjalan di bank sampah Sidomulyo Maju adalah aktivitas pengumpulan dan pemilahan jenis sampah komunal yang dihasilkan oleh masyarakat setempat. Selaras dengan Program yang dicanangkan oleh Pemerintah Bantul “Bantul Bebas Sampah 2025” dan Program Tri Dharma Perguruan Tinggi, diberikan Pelatihan Pembuatan Minyak Pirolisis dari Sampah Plastik kepada masyarakat dan anggota Bank Sampah Sidomulyo Maju di Desa Sidomulyo, Bambanglipuro, Bantul. Pelatihan yang dilakukan diharapkan dengan semangat pengabdian yang disusun oleh Perguruan Tinggi, yakni mengharapkan terjadinya transfer ilmu dan kemanfaatan dari civitas akademika kepada masyarakat luas.
Transesterification of Palm Olein to Fatty Acid Methyl Esters (POle-ME) Using Base Catalysts Ratri Retno Utami; Andri Saputra; Pani Satwikanitya; Muh Wahyu Sya’bani; Warmiati Warmiati; Luthfi Auliya Indahwati; Danuraja Ilmannafia
Journal of Applied Agricultural Science and Technology Vol. 9 No. 3 (2025): Journal of Applied Agricultural Science and Technology
Publisher : Green Engineering Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55043/jaast.v9i3.344

Abstract

Palm olein esters are potentially convertible into epoxy oil, which can serve as a plasticizer. Palm olein can be reacted with alcohol in the presence of a base catalyst in a process named transesterification. This study aimed to investigate the application of palm olein to produce fatty acid methyl esters (POLe-ME) using sodium hydroxide and potassium hydroxide as catalysts, which are then evaluated for their potential as plasticizers. The research process involved selecting raw materials based on the iodine and acid numbers. Subsequently, transesterification was conducted using 1% base catalysts. The characterization of POle-ME included evaluating its acid number, iodine number, viscosity, fatty acid composition, and functional groups. The findings indicate that using a molar ratio of oil to methanol of 1:6 and potassium hydroxide as a catalyst achieved the highest yield at 94.99%. The produced POle-ME exhibited a peak at 1436 cm-1, indicating the presence of a methyl ester functional group. The fatty acid composition of POle-ME consisted predominantly of oleic unsaturated fatty acid (C18:1) at 49.13%. Additionally, POle-ME exhibited an iodine number of 60.42, an acid number of 1.395, and a viscosity of 7.16 mPa·s, indicating its potential as a raw material for epoxy oil (plasticizer) production.
Ecobrick: Inovasi Cerdas Ciptakan Lingkungan Hijau Melalui Pengelolaan Sampah Plastik Pani Satwikanitya; Devi Shofia Ayu Amalia; Aida Nur Mashito Putri; Ahmad Musonnifin Aziz; Yulia Tri Rahkadima; Listin Fitrianah; Mohamad Ikhwanuddin; Andi Nur Zainuri; Dona Asah Rohmadi; Yuli Winarto; Medya Ayunda Fitri; Trisna Kumala Dhaniswara; Zahrotul Azizah; Aris Kuswanto
Journal of Science and Social Development Vol. 9 No. 1 (2026): Journal of Science and Social Development
Publisher : Universitas Nahdlatul Ulama Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55732/jssd.v9i1.2296

Abstract

Plastic waste is a growing environmental problem in Indonesia and negatively impacts environmental sustainability. This activity aims to raise public awareness about plastic waste management through the ecobrick method. The activity was carried out online through a National Webinar organized by the Chemical Engineering Study Program, Nahdlatul Ulama University, Sidoarjo. The webinar implementation consisted of preparation, implementation, and reporting stages. The material presented discussed the impact of plastic waste and the stages of ecobrick making, from the process of cleaning, drying, cutting, compacting, and assembling plastic waste into useful products. The results of the activity showed that participants gained a new understanding and awareness of the importance of wise plastic waste management. Participants also understood the benefits of ecobricks as an alternative environmentally friendly product that can be used as a simple construction material and decorative element. Thus, this activity is expected to encourage public participation in creating a cleaner and greener environment through sustainable plastic waste management.
Optimasi Proses Injeksi Plastik untuk Mengurangi Cacat Short Mold pada Produk Flip Top Cap Nadia Febrian; Pani Satwikanitya
Quantum Teknika : Jurnal Teknik Mesin Terapan Vol. 7 No. 1 (2025): October
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jqt.v7i1.26487

Abstract

Short mold or short shot defect is one of the major challenges in the plastic injection molding process, occurring due to incomplete material filling in the mold cavity, resulting in improperly formed products. This defect negatively impacts product quality and production efficiency. This study aims to minimize short mold defects in the manufacturing of flip top caps by optimizing barrel temperature and injection pressure parameters. The methodology involves experimental trials using polypropylene material, where variations in barrel temperature and injection pressure were tested to determine the optimal parameter combination. The results indicate that setting the barrel temperature at 245°C with an injection pressure of 55 MPa in zone 1, 220°C with 50 MPa in zone 2, 215°C with 50 MPa in zone 3, and 200°C with 50 MPa in zone 4 produced flip top caps that met standard specifications. These parameters resulted in products with excellent shape stability, optimal cleanliness, consistent color, and weight within industry standards. The optimization of barrel temperature and injection pressure plays a crucial role in enhancing product quality, reducing short mold defects, and improving production efficiency. This study provides valuable insights into determining optimal parameters for the plastic injection process, which can be applied in the manufacturing industry to enhance effectiveness and efficiency in production.
Co-Authors Agustian, Mertza Fitra Aida Nur Mashito Putri Andi Nur Zainuri Andri Saputra Andri Saputra Andri Saputra Arief, Diana Ross Aziz, Ahmad Musonnifin Bagus Seno Wulung, Raden Danuraja Ilmannafia Devi Shofia Ayu Amalia Diana Ross Arief Dona Asah Rohmadi Dwi Wibowo, Midarto Fitria Puspita Hermiyati, Indri Ilmannafia, Danuraja Imam Prasetyo Indahwati, Luthfi Auliya Isananto Winursito, Isananto Iswahyuni Kuswanto, Aris Listin Fitrianah Listyalina, Latifah Luthfi Auliya Indahwati mario sariski dwi ellianto Mario Sarisky Dwi Ellianto Mario Sarisky Dwi Ellianto Mario Sarisky Dwi Ellianto Medya Ayunda Fitri Mertza Fitra Agustian Mertza Fitra Agustian Moh Fahrurrozi Mohamad Ikhwanuddin Muh. Wahyu Syabani Nadia Febrian Nurwijayanti Pambudi, Wisnu Pujiyanto, Risang Putra Oktavianto Ratnaningsih, Wahyu Ratri Retno Utami Ratri Retno Utami RR. Ella Evrita Hestiandari Sarisky Dwi Ellianto, Mario Sitio, Brian Agriel Saragih Suharyanto Supomo Supomo Suwarno, Yuli Syahbani, Muhammad Wahyu Teguh Ariyanto Trisna Kumala Dhaniswara Uma Fadzilia Arifin Uma Fadzilia Arifin Uma Fadzilia Arifin, Uma Fadzilia Wahyu Ratnaningsih Wahyu Ratnaningsih Warmiati Warmiati Wibowo, Midarto Dwi Wisnu Pambudi Yuli Winarto Yulia Tri Rahkadima Zahrotul Azizah