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Jurnal Dinamika Penelitian Industri

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Published by Kementerian Perindustrian Republik Indonesia

ISSN : 20888996 EISSN : 24774456 DOI : -

Core Subject : Engineering,

Industrial & Manufacturing Engineering

Menyajikan karya tulis ilmiah yang berkualitas yang telah terseleksi dan direview untuk penelitian dan perekayasaan bidang teknologi industri karet, tekstil, pangan, lingkungan dan kimia lingkungan.

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PEMBUATAN BARANG JADI KARET MENGGUNAKAN SULFUR Rahmaniar Rahmaniar; Popy Marlina; Aprillena T.B
Jurnal Dinamika Penelitian Industri Vol 21, No 1 (2010): JURNAL DINAMIKA PENELITIAN
Publisher : Balai Riset dan Standardisasi Industri Palembang

The objective of the research was to obtain the rubber compound formulation with nano sulfur application in vulcanization process to produce vechicle rubber compound that will fulfill the standard specification. The experiment held by crushing the sulphr to covert intonano size through mechanical milling. Nano Sulphur were characterized with XRD method (X-RAY Difraction) and SEM method (Scanning Eletronical magnetic). The steps for making the rubber compound are mastication/milling the rubber and mixing with other supporting chemicals (activator, filler, softener, antioxidant, resin, accelerator) using the open mill, continued with vulcanization processwhich using nano sulphur as the vulcanization agent untilthe rubber compound ready to be molded.the experimental research used factorial completely randomized design with two factor as treatments, and each combination was replicated for three time. The first factor is the variation of vulcanization temperature (140 ˚C and 170˚C) and the second factor is the variation of suphur size (40nm,60nm,80nm, and 400nm). Tested parameters are modulus,elongation at break ,tear strength and density of rubber compound from the vehicle. The result showed that the variation of vulcanization elongation at break ,tear strength ,and density of rubber compound of the vehicle. The best treatment is obtained in temperature variation 140˚C and sulfur size 60nm (T1S2),with compound rubber characteristic of vehicle for modulus 108N/cm2,elongation at break 565% tear strength 90 kg/cm2, and density 1,220g/cm2.

KINETIKA PENGERINGAN ASAM GELUGUR (Garcinia atroviridis) MENGGUNAKAN PENGERING SURYA TIPE KOLEKTOR TABUNG VAKUM DENGAN KONVEKSI PAKSA DAN ALAMI Sari Farah Dina; Siti Masriani Rambe; Edwin Harianto Sipahutar; Marisa Naufa; Zupri Adi Irhamsyah Tanjung
Jurnal Dinamika Penelitian Industri Vol 30, No 1 (2019): JURNAL DINAMIKA PENELITIAN INDUSTRI
Publisher : Balai Riset dan Standardisasi Industri Palembang

Pengering surya tipe tabung vakum adalah alat yang berguna untuk mengeringkan hasil pertanian. Alat ini menggunakan dua metode pengeringan yaitu konveksi paksa dan konveksi alami. Pada penelitian ini bahan yang digunakan adalah asam gelugur (Garcinia atroviridis) yang merupakan salah satu komoditas pertanian di Indonesia. Penelitian ini bertujuan untuk mengeringkan asam gelugur dari kadar air 90,6% menjadi 10 -12% dengan variasi kecepatan aliran udara 0 m/s, 3 m/s, 3,5 m/s, dan 4 m/s pada waktu pengeringan pagi dan siang hari, serta menentukan model kinetika yang sesuai pada pengeringan asam gelugur menggunakan pengering surya tipe tabung vakum. Berdasarkan hasil penelitian diperoleh pengeringan dengan kecepatan aliran udara 3 m/s lebih baik di bandingkan dengan kecepatan 0 m/s, 3,5 m/s dan 4 m/s.Cepatnya pengeringan berbanding lurus dengan intensitas radiasi matahari, namun berbanding terbalik dengan kecepatan aliran udara pada ruang pengering. Kelembapan yang terjadi didalan ruang pengering terdapat 2 fasa yaitu perpindahan panas dan perpindahan massa. Model kinetika pengeringan asam gelugur yang diperoleh yaitu model Wang & Singh sesuai persamaan MR = 1-0,0034t + 0,000002t2, dengan RMSE = 0,0040-0,0074, dan MBE terendah = 0,0002-0,0006 dengan waktu 5,5 jam pada pengeringan siang hari.

PEMBUATAN KOMPON GENTENG KARET MENGGUNAKAN BAHAN PENGISI ABU SABUT KELAPA Nesi Susilawati; Nuyah .; Rahmaniar .
Jurnal Dinamika Penelitian Industri Vol 27, No 1 (2016): JURNAL DINAMIKA PENELITIAN INDUSTRI
Publisher : Balai Riset dan Standardisasi Industri Palembang

Penelitian ini bertujuan untuk mengetahui pengaruh penambahan abu dari sabut kelapa sebagai bahan pengisi terhadap karakteristik fisik kompon genteng karet meliputi kekerasan, tegangan putus, perpanjangan putus dan ketahanan ozon[n1] .Kompon genteng karet dibuat dari campuran bahanpengisiabu sabut kelapadan[n2] carbon blackdengan[n3] variasi perbandingan yaitu formula 1 (carbon black= 5 phr dan abu sabut kelapa = 25 phr), formula 2 (carbon black = 10 phr dan abu sabut kelapa = 20 phr), formula 3 (carbon black = 15 phr dan abu sabut kelapa = 15 phr), formula 4 (carbon black = 20 phr dan abu sabut kelapa = 10 phr), dan formula 5 (carbon black = 25 phr dan abu sabut kelapa = 5 phr). Hasil penelitian menunjukkan bahwa variasi penambahan abu sabut kelapasebagai bahan pengisi berpengaruh nyata terhadap kekerasan, tegangan putus, perpanjangan putus dan ketahanan ozon. Hasil penelitian dari 5 formula menunjukkan bahwa karakteristik fisik kompon genteng karet terbaik adalah pada formula5 (campuran carbon black : abu sabut kelapa = 25 phr : 5 phr)untuk semua parameter pengujian yang meliputi : Kekerasan yaitu 55,5 Shore A, Tegangan putus yaitu 162 kg/cm2, Perpanjangan putus yaitu 637,5% dan Ketahanan ozon, 50 pphm, 20%, 24h, 40oC yaitu No crack.

Pengaruh penggunaan SBR dan NR terhadap sifat fisika kompon karet packing cap radiator Nuyah .
Jurnal Dinamika Penelitian Industri Vol 22, No 1 (2011): JURNAL DINAMIKA PENELITIAN INDUSTRI
Publisher : Balai Riset dan Standardisasi Industri Palembang

This research has an objective to determine the effect of natural rubber (NR) and styrene butadiene rubber (SBR) utilization on physical properties of rubber compound in radiator packing cap as well as to produce rubber compound formula that fulfill the stated standard requirement. Rubber compound in radiator packing cap is made from a mixture of styrene butadiene rubber (SBR) and natural rubber (NR) with SBR and NR ratios of 90:10, 80:20, 70:30, 60:40 and 50:50 phr, respectively. The results showed that combination of SBR and NR additions had significant effect on hardness, tensile strength, and elongation at break. The best treatment was found in the 3rd compound formula (addition of SBR:NR = 70:30 phr) with compound characteristics covering 58 shore A of hardness, 208 kg/cm2 of tensile strength and 610% of elongation at break.Keywords : SBR, natural rubber, rubber compound of radiator packing cap, physical properties of rubber compound AbstrakPenelitian ini bertujuan untuk mengetahui pengaruh penggunaan karet alam (NR) dan styrene butadiene rubber (SBR) terhadap sifat fisik kompon karet packing cap radiator, serta mendapatkan formula kompon karet yang memenuhi persyaratan. Kompon karet packing cap radiator dibuat dari campuran styrene butadiene rubber (SBR) dan karet alam (NR) dengan variasi perbandingan SBR : NR adalah 90 : 10, 80 : 20, 70 : 30, 60 : 40 dan 50 : 50 phr. Hasil penelitian menunjukkan bahwa kombinasi penambahan SBR dan NR berpengaruh nyata terhadap kekerasan, tegangan putus, dan perpanjangan putus. Perlakuan terbaik diperoleh pada formula kompon 3 (penambahan SBR : NR = 70 : 30 phr) dengan karakteristik kompon meliputi, kekerasan yaitu 58 shore A, tegangan putus yaitu 208 kg/cm2, perpanjangan putus yaitu 610%.Kata Kunci : SBR, karet alam, kompon karet packing cap radiator, sifat fisik kompon karet

PENGARUH TEMPERATUR DAN WAKTU DEPOLIMERISASI LATEKS DADIH TERHADAP PENURUNAN BERAT MOLEKUL DAN MUTU LEM KARET Tri Susanto; Chasri Nurhayati
Jurnal Dinamika Penelitian Industri Vol 28, No 1 (2017): JURNAL DINAMIKA PENELITIAN INDUSTRI
Publisher : Balai Riset dan Standardisasi Industri Palembang

The objective of this research was to study the effect of temperature and time depolymerization of natural latex rubber using NaNO2, H2O2 and Ascorbic Acid (0.4: 0.2: 0.1) mol at pH about 5 towards its molecular weight reduction, then studied the effect on the quality of adhesives produced. The stages of this research include making concentrated natural rubber latex, its depolymerization, rubber crepe making, rubber compounding and followed by rubber adhesives manufacturing. Depolymerization is conducted by varying the temperature (50, 70 and 90 oC) with the duration (4, 6, 8, and 10 hours). The indication of molecular weight reduction is determined by the mooney viscosity test, while the quality of the rubber adhesives is evaluated from the Brookfield viscosity test and its peel strength. Concentrated Natural Rubber was successfully prepared using 2% (v / v) ammonium laurate 20% and 0.2% (v / v) 2% sodium alginate resulted in dry rubber content 49.36%, mechanical stability 91 seconds, ammonia 0.58% and Viscosity Mooney 193.80 cp. Chemical depolymerization is able to reduce the viscosity mooney of natural rubber approximately 95%. The results showed that the greatest molecular weight reduction was depolymerization at 70 ° C for 8 hours indicated by decreasing the mooney viscosity from 193.80 to 10.05 cp. From the results of testing the quality of the adhesives, the lower the molecular weight the adhesive power between layers of rubber is higher with lower Viscosity Brookfield. The peel strength of resulted adhesive ranges from 4.76 - 17.25 kg / inch2 with brookfield viscosity between 1966 - 3810 cp. Based on the comparison with the quality of rubber adhesives in the market that has peel strength about 4.35 kg / inch2, it can be said that the rubber adhesives from of this research results have met the market requirements.

Pemanfaatan alginat dari alga laut untuk meningkatkan stabilitas kompon lateks bahan baku souvenir karet Chasri Nurhayati; Eli Yulita; Oktavia Andayani
Jurnal Dinamika Penelitian Industri Vol 24, No 1 (2013): JURNAL DINAMIKA PENELITIAN INDUSTRI
Publisher : Balai Riset dan Standardisasi Industri Palembang

This study aimed to determine the effect of adding sodium alginate as a stabilizer agent for latex goods preparation, such as rubber compound latex rubber raw material for souvenirs. Best alginate extraction temperature is obtained at a temperature of 60 °C with alginate to yield test results were 8.20%, ash content of 24.5%, the water content of 7.855% and 1.615 cps viscosity. Quality of the best liquid latex compound found in treatment 4 with the addition of 0.20 phr alginate as indicated by the test results of 119 cp viscosity money and time for testing mechanical stabilizer 597 Sec. The results showed that the compound latex mooney viscosity resulting in treatment 5 for 37, mooney scorch average of 0.27, the average hardness 38.5, tensile strength 38 kg/cm2, 20 kg/cm2 modulus 300%, elongation at break is 508%, tear resistance treatment 5 is 62 kg/cm2.Keywords : Alginate, colloids, latex compoundAbstrakPenelitian ini bertujuan untuk mengetahui pengaruh penambahan natrium-alginat sebagai bahan penstabil kompon lateks untuk bahan baku barang jadi lateks, dalam hal ini dicoba souvenir karet. Suhu ekstraksi alginat terbaik diperoleh pada suhu 60 oC dengan hasil pengujian alginat untuk rendemen adalah 8,20%, kadar abu sebesar 24,5%, Kadar air 7,855% dan viscositas 1,615 cps. Mutu kompon lateks cair yang terbaik terdapat pada perlakukan 4 dengan penambahan alginat sebanyak 0,20 phr yang ditunjukan dengan hasil uji viscositas money sebesar 119 cp dan uji mechanical stabilizer time sebesar 597 Sec. Hasil penelitian terhadap kompon lateks menunjukkan bahwa viscositas mooney yang dihasilkan pada perlakuan 5 sebesar 37, mooney scorch rata-rata 0,27, hardness rata-rata 38,5, Shore A, tegangan putus 38 kg/cm2, tegangan tarik 20 kg/cm2, perpanjangan putus adalah 508%, ketahanan sobek perlakuan 5 adalah 62 kg/cm2.Kata kunci : Alginat, koloid, kompon lateks

CHARACTERISTICS OF RUBBER SHEET WITH RAW MATERIAL OF COMPOSITE MODIFICATIONS - LATEX Popy Marlina; Hari Adi Prasetya
Jurnal Dinamika Penelitian Industri Vol 28, No 2 (2017): JURNAL DINAMIKA PENELITIAN INDUSTRI
Publisher : Balai Riset dan Standardisasi Industri Palembang

Natural starch can be made into modified starch with the desired properties or as needed. Composite of starch and natural rubber for the made of rubber sheets as an alternative to reduce the use of natural rubber in large quantities. The research aimed to study the characteristics of sheets rubber with composite modified starch - latex. The experimental research used non Factorial Completely Randomized Design and each treatments was replicated three times. Single factor of starch and latex modification ratio (Treatment A Starch modification: latex = 1: 1 (500 ml: 500 ml, Treatment B Starch modification:latex = 1:2 (500 ml: 1000 ml and Treatment C Starch modification:latex = 2:1 (1000 ml: 500 ml)). The parameters were plasticity (Po), plasticity resistance index (PRI), mooney viscosity and dirt content. Results showed that the comparison treatment of starch and latex modifications have a influence on the characteristics of sheet rubber meet the quality requirements of Standard Indonesian Rubber (SIR) 20 SNI 06-1903-2000 and standard quality commercial sheets rubber with charactheristics plasticity (Po), plasticity resistance index (PRI), mooney viscosity and dirt content.

PEMANFAATAN MINYAK BIJI KETAPANG, MINYAK MINAREK DAN MINYAK KERNEL KELAPA SAWIT SEBAGAI BAHAN PELUNAK DALAM PEMBUATAN KOMPON KARET Bambang Sugiyono; Basuni Hamzah; Agus Wijaya
Jurnal Dinamika Penelitian Industri Vol 26, No 2 (2015): JURNAL DINAMIKA PENELITIAN INDUSTRI
Publisher : Balai Riset dan Standardisasi Industri Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28959/jdpi.v26i2.1603

Pemanfaatan silika abu sekam padi sebagai bahan pengisi rubber membrane filter press untuk memisahkan minyak inti sawit Nasruddin .
Jurnal Dinamika Penelitian Industri Vol 23, No 2 (2012): JURNAL DINAMIKA PENELITIAN INDUSTRI
Publisher : Balai Riset dan Standardisasi Industri Palembang

This research was aimed to obtain rubber membrane filter press (RMFP) from natural rubber (NR) as well as synthetic rubber (chloroprene rubber and nytrike butadiene rubber). The research method was done my vulcanizing natural rubber, synthetic rubber, and filler to shape RMFP. Research formulation was done with 8 units of experiments using variations of mixers that have been pre-determined. The examination to the RMFP was done with ASTM test methods that cover parameters such as viscometer mooney, hardness, tensile strength, and modulus 200%, elongation at break, tear strength, density, and abrasion. The laboratory results showed that the formula for RMFP D that is contained of the mix of NR 10, CR 90, A 86 2 phs; steararatic acid 0.5 phr; TMTD 0.2 phr; sulfur 0.5 phr; ETV 0.8 phr; dan Mo 3 phr with results for hardness 81.5 shore A, tensile strength 161.5 kg/cm2, modulus 200% 41.50 kg/cm2, elongation at break 831%, tear strenght 97.50 kg/cm2, density 1.604 g/cm3, abrasion rest 280.5 mm2, curing characteristic rheometer on temperature 150 oC 12.484%.Keywords : Natural rubber, rice husk, rubber membrane filter press synthetic rubber, silicaAbstrakPenelitian ini bertujuan untuk mendapatkan rubber membrane filter press (RMFP) dari karet alam (NR) dan karet sintetis (chloroprene rubber and nytrike butadiene rubber). Metode penelitian dilakukan dengan cara vulkanisasi karet alam, karet sintetis, bahan pengisi untuk membentuk rubber membrane filter press. Formula penelitian dilakukan sebanyak 8 unit percobaan dengan variasi campuran yang telah ditentukan. Pengujian terhadap rubber membrane filter press dilakukan dengan metode uji ASTM yang meliputi parameter, viscometer mooney, hardness, tensile strength, modulus 200%, elongation at break, tear strenght, density dan abrasion. Hasil uji laboratorium menunjukkan, untuk formula RMFP D yang terdiri dari campuran karet alam (NR) 10; chloroprene rubber (CR) 90; A. 86 2 phr; asam steararat 0,5 phr; TMQ/P.H 2 phr; 6 PPD 1 phr; silica dari abu sekam padi 50 phr; CaCO3 15 phr; karbon hitam N.330 10 phr; DOP 5 phr; DEG 5 phr; TMTD 0,2 phr; sulfur 0,5 phr; ETV 0,8 phr; dan Mo 3 phr dengan hasil uji untuk hardness 81,5 Shore A, tensile strength 161,5 kg/cm2, modulus 200% 41,50 kg/cm2, elongation at break 831%, tear strenght 97,50 kg/cm2, density 1,604 g/cm3, abrasion rest 280,5 mm2, curing characteristic rheometer pada temperatur 150 oC 12,484%.Kata kunci : Karet alam, karet sintetis, rubber membrane filter press, sekam padi, silika

KARAKTERISTIK VULKANISASI KOMPON PADA PEMBUATAN WIPER BLADE Hari Adi Prasetya; Popy Marlina
Jurnal Dinamika Penelitian Industri Vol 21, No 2 (2010): JURNAL DINAMIKA PENELITIAN
Publisher : Balai Riset dan Standardisasi Industri Palembang

The research aimed to study the effect of temperature and Hydrocxilamin Netral Sulphat (HNS) to characteristics of vulcanization wiper blade. Temperature vulcanization used for the research was varied at 130 oC, 150 oC, 170 oC and Hydrocxilamin Netral Sulphat (HNS) at 5 phr, 10 phr. The result show that the effect temperature of vulcanization and Hydrocxilamin Netral Sulphat (HNS) consentration had significant effect on the scorch time (ts2), optimum cure time (t90), vulcanization rate, and modulus torsi (t) rubber compound wiper blade. The best treatment was found to be the T2H2(the addition of temperature 150 oC and HNS 10 phr) with characteristic of vulcanization wiper blade compound of 2,25 minute for the scorch time, 4 minute for the optimum cure time, 12, 12 minute for the vulcanization rate and 82kg.cm for the torcy modulus.

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