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All Journal Jurnal Ilmu Pertanian Indonesia Jurnal Teknologi Industri Pertanian Reaktor Jurnal Sains Materi Indonesia Jurnal Matematika & Sains Program Kreativitas Mahasiswa - Penelitian Majalah Kulit, Karet, dan Plastik Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat JOURNAL ONLINE OF PHYSICS PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Jurnal Riset Fisika Indonesia Jurnal Ilmu Kehutanan
Mersi Kurniati
Department Of Physics, Institut Pertanian Bogor
Aerospace Engineering Agriculture, Biological Sciences & Forestry Astronomy Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Physics Other

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Journal : Majalah%20Kulit,%20Karet,%20dan%20Plastik

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Efektivitas karet alam termoplastik sebagai peningkat indeks viskositas minyak pelumas kendaraan Puspitasari, Santi; Arifianto, Muhammad Lutfi; Kurniati, Mersi
Majalah Kulit, Karet, dan Plastik Vol 32, No 1 (2016): Majalah Kulit, Karet, dan Plastik
Publisher : Center for Leather, Rubber, and Plastic Ministry of Industry, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1656.86 KB) | DOI: 10.20543/mkkp.v32i1.957

Abstract

Diversification of rubber goods are highly needed to enhance natural rubber domestic consumption. One of the efforts is by using thermoplastic natural rubber that is synthesized from emulsion graft copolymerization of natural rubber latex with thermoplastic monomer as index viscosity improver of lubricating oil. The research aimed to study the effect of thermoplastic natural rubber (natural rubber–styrene copolymer) addition, at various concentration, into base paraffinic lube oil (HVI 60 and HVI 650) on index viscosity value of lubricating oil. The result showed that emulsion graft copolymerization at composition ratio of natural rubber to styrene monomer 85:15, at 65oC for 7 hours, with addition of 1% ammonium peroxidisulfate as initiator and 2% sodium dodecyl sulfate as surfactant produced thermoplastic natural rubber (TPNR, copoly NR-ST) with grafting efficiency of 56,48%. The TPNR can be functioned properly as index viscosity improver at 5% concentration to base paraffinic lube oil either HVI 60 or HVI 650. The obtaining new lubricating oils could fulfill the index viscosity standard requirement refered to Decree of Directorat General of Oil and Gas No 85K/34/DDJM/1998, and could compete with the commercial lubricating oil type 20W-50, 10W-40, and 15W-40.
Efektivitas karet alam termoplastik sebagai peningkat indeks viskositas minyak pelumas kendaraan Santi Puspitasari; Muhammad Lutfi Arifianto; Mersi Kurniati
Majalah Kulit, Karet, dan Plastik Vol 32, No 1 (2016): Majalah Kulit, Karet, dan Plastik
Publisher : Center for Leather, Rubber, and Plastic Ministry of Industry, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1656.86 KB) | DOI: 10.20543/mkkp.v32i1.957

Abstract

Diversification of rubber goods are highly needed to enhance natural rubber domestic consumption. One of the efforts is by using thermoplastic natural rubber that is synthesized from emulsion graft copolymerization of natural rubber latex with thermoplastic monomer as index viscosity improver of lubricating oil. The research aimed to study the effect of thermoplastic natural rubber (natural rubber–styrene copolymer) addition, at various concentration, into base paraffinic lube oil (HVI 60 and HVI 650) on index viscosity value of lubricating oil. The result showed that emulsion graft copolymerization at composition ratio of natural rubber to styrene monomer 85:15, at 65oC for 7 hours, with addition of 1% ammonium peroxidisulfate as initiator and 2% sodium dodecyl sulfate as surfactant produced thermoplastic natural rubber (TPNR, copoly NR-ST) with grafting efficiency of 56,48%. The TPNR can be functioned properly as index viscosity improver at 5% concentration to base paraffinic lube oil either HVI 60 or HVI 650. The obtaining new lubricating oils could fulfill the index viscosity standard requirement refered to Decree of Directorat General of Oil and Gas No 85K/34/DDJM/1998, and could compete with the commercial lubricating oil type 20W-50, 10W-40, and 15W-40.
Co-Authors . Masitoh . Mursyidah Abu Sonip Ade Irma Akhiruddin Maddu Akhrudin Maddu Ana Fitriana Arifianto, Muhammad Lutfi Christina Winarti Christina Winarti Christina Winarti Eni Septi Wahyuni Erni Apriliana Erni Aprilina Esti Prihatini Fitrah Hadi Firdaus Fitrah Hadi Firdaus Hendrawan Laksono Horasdia Saragih Indah Puspita Irlian Nurmaniah Irmansyah Irmansyah Irzaman, Irzaman Istie Rahayu Jumardin Jumardin Leni Ariyanti LISDAR I. SUDIRMAN Lusia Anita Boru Sagala Lusia Anita Br. Sagala Made Dirgantara Maya Risanti Maya Risanti Miko Saputra Moehamad Barmawi Muhammad Khalid Muhammad Lutfi Arifianto Mujamilah Mujamilah Napthaleni , Pepen Arifin Purwantiningsih Sugita Puspitasari, Santi Rahmaniah Nalwi Renda Amalia Anggraini Santi Puspitasari Siti Nikmatin Sonny Affandi Sudaryanto Sudaryanto Tuti Wukirsari Yessie Widya Sari