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All Journal Majalah Kulit, Karet, dan Plastik Animal Production : Indonesian Journal of Animal Production
Rumpoko Wicaksono
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Engineering Environmental Science Veterinary

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Pembuatan karet riklim dari ban bekas dengan microwave ditinjau dari karakteristik vulkanisasi kompon Wicaksono, Rumpoko; Sutardi, Sutardi; Herminiwati, Herminiwati
Majalah Kulit, Karet, dan Plastik Vol 20, No 1 (2004): 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 (1812.336 KB) | DOI: 10.20543/mkkp.v20i1.237

Abstract

The research is aimed to study the effect of heat of microwave in the preparation of reclaimed rubber from used tire and the application of rubber compound observed from the characteristics of its vulcanization. Reclaimed rubber is found from used tire treads that ground and shifted using 10 mesh of shifter. Devulcanization  was carried out in microwave with power output from 0, 100 – 200 watt. The reclaimed rubber was used as the natural rubber substitute, with proportion of 20, 40, and 60 parts per hundred of rubber. The cracteristic of the compound was tested by using Rheometer whereas the reactivity of the rubber against the Vulcanizing agents was observed by using Fourier Transform Infrared Spectrophotometer. The results showed that reclaimed  rubber prepared by heating in microwave with power output of 100 and 200 watt as well as without heating treatment showed significant effect to characteristic of vulcanization. Proportion of utilization of reclemed rubber as much as 20,40 and 60 parts showed significant effect to characteristic of vulcanization. Proportion of 40 part reclaimed rubber prepared by microwave heating with power output 100 watt showed the best characteristic of vulcanization.   Keywords : reclaimed rubber, microwave, used tire, vulcanization.  Penelitian ini bertujuan untuk mempelajari pengaruh panas microwave pada pembuatan karet riklim dari ban bekas dan penerapannya untuk kompon karet ditinjau dari karakteristik vulkanisasinya. Karet riklim dibuat dari karet telapak ban bekas yang diperkecil ukurannya hingga lolos ayakan 10 mesh. Proses devulkanisasi dilakukan dengan daya microwave mulai dari 0,100 dan 200 watt. Karet riklim yang dihasikan digunakan untuk bahan substitusi karent alam dengan proporsi 20, 40 dan 60 bagian perseratus karet. Karakteristik vulkanisasi kompon diuji dengan rheometer sedngkan reaktivitas karet terhadap pemvulkanisasi diamati dengan Fourier Transform Infrared Spektrofotometer. Hasil penelitian menunjukkan bahwa karet riklim yang dibuat dengan pemanasan microwave 100 dan 200 watt serta tanpa pemanasan berpengaruh terhadap karakteristik vulkanisasi kompon. Proporsi karet riklim sebesar 20, 40, dan 60 bagian berpengaruh terhadap karakteristik vulkanisasi kompon.  Proporsi 40 bagian karet riklim yang dibuat dengan pemanasan microwave 100 watt merupakan karet riklim yang mempunyai karakteristik vulkanisasi terbaik. Kata Kunci : karet riklim, microwave, ban bekas, vulkanisasi. 
Sensory, Physicochemical and Antioxidants Evaluation of Kecombrang (Etlingera elatior) Preservative Powder with Foam-mat Drying Method for Beef Meatballs Products Naufalin, Rifda; Wuryatmo, Erminawati; Wicaksono, Rumpoko; Islami, Laila Sausan El
ANIMAL PRODUCTION Vol. 22 No. 3 (2020)
Publisher : Faculty of Animal Science, Jenderal Soedirman University in associate with Animal Scientist Society of Indonesia (ISPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jap.2020.22.3.77

Abstract

This study aims to determine the effect of the type and concentration of preservative powder with foam-mat drying method to produce optimal beef meatballs products seen from the chemical, sensory, and antioxidant evaluation. This study used an experimental method with a randomized block design with the factors being studied were the type of powder of kecombrang plant parts, namely flowers and stems with the concentrations used, namely 0%, 1%, 2%, and 3%. Physicochemical analysis was performed on moisture content, pH, and total protein hydrolyzed (Formol test). The sensory evaluation was carried out by 25 trained people using the descriptive and hedonic testing methods on a scale of 1-5 (very dislike to very much like). Meanwhile, the best treatment from the results of physicochemical and sensory evaluation was analyzed of bioactive compounds (antioxidants) was carried out on total flavonoids and total phenols. The results showed that the best treatment combination was the type of flower preservative with a concentration of 2% which had characteristics with an average moisture content of 57.19 ± 5.71%, pH 7.1 ± 0.21, hydrolyzed protein content (Formol) 1.40 ± 0.35%, whitish-gray color (2.72 ± 1.40), scents of meat and kecombrang (3.64 ± 0.49), slightly chewy texture (3.52 ± 0.65), flavored with meat and kecombrang (3.68 ± 0.75), is rather preferenced by panelists (3.12 ± 0.97), and results of antioxidants evaluation were total flavonoids 2.42 mg QE / 100 mg, total phenolic 179.53 mg QE / 100 mg. The concentration of kecombrang flower and stems powder suitable for adding to beef meatballss is seen from the physicochemical and sensory evaluation up to 2%.
Pembuatan karet riklim dari ban bekas dengan microwave ditinjau dari karakteristik vulkanisasi kompon Rumpoko Wicaksono; Sutardi Sutardi; Herminiwati Herminiwati
Majalah Kulit, Karet, dan Plastik Vol 20, No 1 (2004): 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 (1812.336 KB) | DOI: 10.20543/mkkp.v20i1.237

Abstract

The research is aimed to study the effect of heat of microwave in the preparation of reclaimed rubber from used tire and the application of rubber compound observed from the characteristics of its vulcanization. Reclaimed rubber is found from used tire treads that ground and shifted using 10 mesh of shifter. Devulcanization  was carried out in microwave with power output from 0, 100 – 200 watt. The reclaimed rubber was used as the natural rubber substitute, with proportion of 20, 40, and 60 parts per hundred of rubber. The cracteristic of the compound was tested by using Rheometer whereas the reactivity of the rubber against the Vulcanizing agents was observed by using Fourier Transform Infrared Spectrophotometer. The results showed that reclaimed  rubber prepared by heating in microwave with power output of 100 and 200 watt as well as without heating treatment showed significant effect to characteristic of vulcanization. Proportion of utilization of reclemed rubber as much as 20,40 and 60 parts showed significant effect to characteristic of vulcanization. Proportion of 40 part reclaimed rubber prepared by microwave heating with power output 100 watt showed the best characteristic of vulcanization.   Keywords : reclaimed rubber, microwave, used tire, vulcanization.  Penelitian ini bertujuan untuk mempelajari pengaruh panas microwave pada pembuatan karet riklim dari ban bekas dan penerapannya untuk kompon karet ditinjau dari karakteristik vulkanisasinya. Karet riklim dibuat dari karet telapak ban bekas yang diperkecil ukurannya hingga lolos ayakan 10 mesh. Proses devulkanisasi dilakukan dengan daya microwave mulai dari 0,100 dan 200 watt. Karet riklim yang dihasikan digunakan untuk bahan substitusi karent alam dengan proporsi 20, 40 dan 60 bagian perseratus karet. Karakteristik vulkanisasi kompon diuji dengan rheometer sedngkan reaktivitas karet terhadap pemvulkanisasi diamati dengan Fourier Transform Infrared Spektrofotometer. Hasil penelitian menunjukkan bahwa karet riklim yang dibuat dengan pemanasan microwave 100 dan 200 watt serta tanpa pemanasan berpengaruh terhadap karakteristik vulkanisasi kompon. Proporsi karet riklim sebesar 20, 40, dan 60 bagian berpengaruh terhadap karakteristik vulkanisasi kompon.  Proporsi 40 bagian karet riklim yang dibuat dengan pemanasan microwave 100 watt merupakan karet riklim yang mempunyai karakteristik vulkanisasi terbaik. Kata Kunci : karet riklim, microwave, ban bekas, vulkanisasi. 
Co-Authors Herminiwati Herminiwati Herminiwati Herminiwati, Herminiwati Hidayah Dwiyanti Islami, Laila Sausan El Rifda Naufalin Santi Dwi Astuti Sutardi Sutardi Sutardi Sutardi Wuryatmo, Erminawati