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Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit
Published by Politeknik ATK Yogyakarta
ISSN : 14117703     EISSN : 27462625     DOI : https://doi.org/10.58533/bptkspk.v22i1
Core Subject : Art, Social, Engineering,
Arts Chemical Engineering, Chemistry & Bioengineering Engineering Industrial & Manufacturing Engineering Social Sciences
Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit mencakup beberapa topik mengenai penyamakan kulit (enzim terapan, kimia terapan dan kimia lingkungan), produk samping kulit, teknologi karet, teknologi plastik, pengembangan mesin produksi, teknologi sepatu, dan pengembangan produk kulit yang diterbitkan oleh Politeknik ATK Yogyakarta, Indonesia. Jurnal ini juga mencakup penelitian-penelitian dari multidisiplin ilmu yang lain yang terkait dengan teknologi kulit, karet dan plastik.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 174 Documents
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IDENTIFIKASI KULIT IKAN BUNTAL (Arothon reticularis) MENGGUNAKAN SCANNING ELECTRON MICROSCOPE (SEM) RLM. Satrio Ari Wibowo; M. Wahyu Syabani
Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit Vol 14 No 1 (2015): Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit
Publisher : Politeknik ATK Yogyakarta

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Abstract

The goal on this research is to known the characteristic of skin of puffer fish. The material that used was dry salted skin of •puffer fish (Ara thon reticularis) and the methods was Scanning Electron Microscope (SEM). SEM can checking materials microscopically to help explain characteristic of physical material. The result of this research is there is spines of puffer fish that firm and penetrate from epidermis unto dermis and becoming one on dermis. The differences between spines of puffer fish and hairs on mammals are there is no follicles that connecting the skin with spines due differences of composition compiler. Identification using SEM shows spines of puffer fish is modification of collagen that can be join with collagen at epidermis to dermis. For this reason the tanners could exploring skin of puffer fish as raw material in leather industries because the uniqueness of skin of puffer fish.
PEMANFAATAN LIMBAH KULIT IKAN AYAM-AYAM (Abalistes stellaris) UNTUK BAHAN BAKU PRODUK KULIT lndri Hermiyati; Sri Sumarni; Titik Anggaraini
Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit Vol 14 No 1 (2015): Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit
Publisher : Politeknik ATK Yogyakarta

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Abstract

The aim of this study is to tan the leather of starry triggerfish (Abalistes stellaris) by formaldehyde. The leather of starry triggerfish was the waste which has been dumped by fishmonger around the coast of Tasik Agung in Rembang. Formaldehyde at concentration 8%, 10% or 12% was added during tanning process. The addition of 8% to 12% of formaldehyde may increase the value of tensile strength of tanned starry triggerfish leather from 47.04 kg/ cm2 up to 77.84 kg/ cm2. While the addition 8% to 12% of formaldehyde decreased the elongation value of tanned starry triggerfish leather from 56.45% to 34.51 %. The addition of 12% formaldehyde was has the best effect to the tensile strength, while the addition of 8% formaldehyde has the best effect to the elongation of tanned starry triggerfish skin. Thermal Gravimetric Analysis (TGA) has a significant influence of decreasing of weight (mass) of tanned starry triggerfish leather samples. Analysis of DTA/DSC showed the best shrinkage temperature at the tanned starry triggerfish leather tanned by 12% formaldehyde can be used as a raw material for leather product, because it has a physical character of high tensile strength and low elongation.
DESAIN PELENGKAP BUSANA BACKPACKER DENGAN KONSEP KOBOI Anwar Hidayat; Galuh Puspitasari
Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit Vol 14 No 1 (2015): Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit
Publisher : Politeknik ATK Yogyakarta

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Abstract

Indonesia's tourism industry continues to grow and a lot of tourists comes to many interesting locations in Indonesia. The need for a product to carry goods, often make the backpacker must carry additional bags for traveling, and then when they saw great momentum, they are often missed because they have lowered the bag and opened to take out the camera and other equipment. For that, they need a product to carry goods or equipment that is compact, practical, and the important thing is adventurous image for backpacker and traveler. This study aims to present a new design innovation and new way of uses for backpackers and traveler by taking the concept of cowboy idea. The method used in this study is a design method that begins the process of brainstorming, drafting board image and image analysis, stylized shape, design sketches, study models, determining the final design, and prototyping. Results of the study design of this product is a new innovation forms carrier means the items can be used at any time without having to disassemble the contents of the bag. Aspects of practicality and ergonomics products preferred by studying the model. The use of chrome tanned leather materials and leather box suede reinforce the image of the cowboy macho image and brave, it is in line with the character of young travelers who began to bloom backpacking activities, touring and traveling.
PEMANFAATAN AFFAL KULIT PERKAMEN SEBAGAI BAHAN BAKU CINDERAMATA DAN MENGURANGI DAMPAK PENCEMARAN LINGKUNGAN Entin Darmawati; Sutopo Sutopo; Nuraini Indrati
Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit Vol 13 No 1 (2014): Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit
Publisher : Politeknik ATK Yogyakarta

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Abstract

This study aims to harness the potential of parchment leather affal for raw materials of souvenir coloured with natural dyes. Materials used are parchment affal from sheep/goat, cow and buffalo skin for making puppet. This research used experiment method, consisting of three (3) stages: 1. Identification and inventory of parchment affal potential resulted from leather puppet - making; 2. Process of making souvenirs as accessories for women using natural coloring, with variations : Affal types of parchment ( sheep, cow , buffalo ); accessories design ( earrings; necklace ; brooch ); coloring substance; 3. the color absorption and the potential added value of the affal parchment leather souvenirs. Independent variables (X1 = Affal parchment; X2 = accessories design; X3= natural dyes substances). Dependent Variables (Y1 = color absorption; Y2 = value - added value). Collected data were analyzed using ANOVA (Analysis Of Variance). Presentation of the data presented is in tables, graphs and images. Results of research show that potential of parchment affal from skin of sheep / goat of every crafter = 288.0 kg, cows 324.0 kg and buffalo 306.0 kg / year and 500.0 grams. Optimum product per affal producing earrings = 166 pieces ( sheep / goats ) ; Brooch = 278 pieces (cow) ; Necklace = 48 pieces (buffalo). Natural color absorption is affected by parchment skin histology. It can be concluded that parchment affal has feasibility to be used as raw material for women's accessories.
PEMBUATAN FATLIQUOR DARI CAMPURAN MINYAK SAWIT DAN KEDELAI Herry Suseno; Sri Sumarni; M.W. Syabani
Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit Vol 13 No 1 (2014): Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit
Publisher : Politeknik ATK Yogyakarta

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Abstract

Fatliquoring is one of important processes in leather tanning. Its main process function is to keep the quality of leather, especially on organoleptical test. The aim of this research is to study the blend of palm oil and soybean oil (1:1 ratio) as fatliquor raw materials. Palm oil was chosen because Indonesia has abundant material and also is one of main players in palm plantation and production. At the beginning, the raw material is analyzed to determine the quality, i.e. acid number, saponification number, iod number and fatty acid contains. Then the raw material is processed to be fatliquoring agent with sulfitation process. The fatliquoring agent was then analyzed to determine its quality and applied in fatliquoring leather. Finally, the leather mechanical characteristics were tested, i.e. tensile, elongation and stitch strengths. The result gives information that the application of fatliquor makes the leather have better test parameter. The value of tensile, elongation and stitch strengths for leather without fatliquor 160 kg/cm2, 63% and 82 kg/cm; and for leather with fatliquor 250 kg/cm2, 142% and 163 kg/cm. Therefore, fatliquoring agent made from palm oil and soybean oil blend can be used as alternative material in fatliquoring process.
STUDI PEMBUATAN LEM SEDERHANA DARI BAHAN KARET KREP DAN PELARUT METHYL ETYL KETONE Suharyanto Suharyanto
Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit Vol 13 No 1 (2014): Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit
Publisher : Politeknik ATK Yogyakarta

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Abstract

This research aims to make simple glue from rubber material and Methyl Ethyl Ketone crepe as a solvent and fiyer tagky comaron or resin; with 5 simple glue models: Model 1, Model 2, Model 3, Model 4, and Model 5. This strategy is applied in order to try to manufacture simple glue made from rubber crepe which is abundant and easy to obtain. This research developed simple glue from rubber crepe and Methyl Ethyl Ketone solvent to get various glue with good quality. This research made simple glue to assemble the leather to be folded, glued and sticked, in which the application is in leather samples and testing method used peel strength or adhesion of the two materials glued together using glue. This research used method of cutting crepe into small pieces which then placed in a glass jar, weighed 2 kg with comparison 1; 1.5; 2; and 2.5 to Methyl Ethyl Ketone and added comaron or resin material in order to have more glue adhesion or better adhesiveness. In conclusion, the a simple glue from crepe rubber material can be used to fold, glue and stick the upper of leather shoes.
PENGATURAN KECEPATAN PUTAR MOTOR LISTRIK PADA MESIN JAHIT KULIT TIPE FLAT BED MENGGUNAKAN RANGKAIAN TRIAC DAN DIAC Aris Budianto
Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit Vol 13 No 1 (2014): Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit
Publisher : Politeknik ATK Yogyakarta

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Abstract

Sewing machines used industrial society uses electricity as an energy source. Electric power received by the electric motor is converted into kinetic energy. Rotation of the electric motor will be forwarded to move the sewing machine through a series of power transmission, among others, with pulleys and belts. For students who are just learning to sew, the sewing speed problem becomes one of the factors that determine the outcome of stitches. Students who are not familiar with this high speed will find it difficult to produce a good stitch. This study wanted to know the results of setting the electric sewing machine motor with resistance measurement, voltage and current flowing in the electric motor sewing machine, as well as the motor rpm. The study was conducted on a flat bed sewing machine with a high speed electric motor. Speed setting is done with the circuit TRIAC and DIAC, the triac and diac components into one. The results showed setting a string of AC voltage using a triac and diac pairs can be used as a universal regulator of motor rotation speed on the flat bed sewing machine. The magnitude of the percentage increased in the speed of the voltage of 100 volts to 215 volts with an increase in speed by 53.07%. The greater the voltage is increased, the amount of flow is also greater, and conversely the smaller the voltage applied, the less the current flows, so the inrush current can be avoided.
IKAN SERIBU NAMA DALAM KRIYA KULIT Yus Maryo
Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit Vol 13 No 1 (2014): Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit
Publisher : Politeknik ATK Yogyakarta

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Abstract

“Seribu Nama” or ‘thousand name’ fish is another name for arwana. There are four kinds of a thousand name fish (arwana), which are: super red, golden, silver, and silver red. Super red is the most expensive one, besides, Seribu Nama Fish (arwana) has a mystery which is called a good luck or magic power, good fortune, reducing the devil, and giving the signal of the lucky. That is why it is chosen as an idea in the leather craft because of the value in the seribu nama fish (arwana), especially in its shape, the movement of its parts of the body: fin, the head of the fin, and its tail which completes it. The process in the manufacturing of the craft includes three stages; the first is the exploration including the exploration of the source of idea and data gathering, the second is planning, it is the sketch making until the best design selecting, the third is the step by step making until the work is done. The manufacturing is started by the preparing material and equipment, the pattern making, the making of work frame, the cutting of solid heart sponge, the gluing and assembling, the shaping of the leather skin, the glass setting, the cartoon setting and laken cloth, the hole making, and the plaiting. The research processes started from the idea of a seribu nama fish (arwana), and through the process of manufacturing that is done, finally it is made the leather craft in two dimensions. The shape of the craft emphasizes more to the craftsmanship and expression, and has the meaning or message that is intended to be conveyed by the writer.
PENYAMAKAN ATASAN SEPATU (UPPER SHOES) TNI AD DARI KULIT KERBAU (BUBALUS BUBALIS) SEBAGAI ALTERNATIF PENGGANTI BAHAN BAKU KULIT SAPI Titik Anggraini
Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit Vol 13 No 2 (2014): Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit
Publisher : Politeknik ATK Yogyakarta

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Abstract

Shoes are generally made of chrome tanned cow hide. The leather tannery industry has not utilized buffalo leather as raw material for the tanning of shoes leather, especially upper shoes military. This research is a preliminary study to determine whether buffalo skin can be used as an alternative raw material for making military boots that meet the standards of military upper shoes which are made of cow leather. Stages of the process and tanning method are generally equal to the tanning process that uses upper cow hide shoes (Beam House, Tanning, Post Tanning, and Finishing). Buffalo skin as much as 3 pieces, which is being processed before, are split into 6 sides and then processed together in a drum by using mineral tanning materials that are chromosal B; retanning vegetable material, resin acrylic, oil fatliquoring anionic and anionic dyes. After the tanning process is completed, the physical and organoleptic testing that include tanning test, paint lid scrub resistance (dry and wet), tensile strength, elongation, water absorption, strength flexibility, zwik durability, and reliability spark are tested with the test method in accordance to ISO 0234.22009. From the test results, the criteria subsequently matched with Standards/Technical Specification of Field Black Shoes with Lemon Pattern Number: 20-2-16024 April 2006. Therefore, it can be concluded that buffalo leather has the same physical properties and organoleptic with cow hide after processing (tanned) by the method of upper shoe tanning so that it can be use das an alternative raw material.
PENGARUH BERBAGAI KONSENTRASI LARUTAN KAPUR DALAM LIMING PADA GELATIN KULIT KAMBING PERANAKAN ETAWA (PE) Dedes Amertaningtyas
Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit Vol 13 No 2 (2014): Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit
Publisher : Politeknik ATK Yogyakarta

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Abstract

The purpose of this study was to determine the effect of various concentrations of lime solution in the curing process of making gelatin from goat skin against water activity (Aw), ash content (%) and carbohydrate (%). The material used was a goat skin Ettawah Peranakan (PE) aged 1.5 - 5 years and lime (Ca (OH) 2). The method used is the method with the experiment using randomized block design and 3 replications. Treatment is based on the concentration of lime, K1 = 5%, = 10% K2, K3 and K4 = 15% = 20%. Research data that shows the difference, followed by Duncan's Multiple Range Test (DMRT). The variables measured are water activity (Aw), ash content (%) and carbohydrate (%). The results showed that the difference in the concentration of lime solution in the process of liming on the making of goat skin gelatin no effect (P> 0.05) on the value of water activity (Aw), ash content (%) and carbohydrate (%) produced goat skin gelatin . Treatment concentration of lime solution for 5, 10, 15 and 20% produced by 0.561 to 0.578 Aw, ash content of 0.953 to 2.220% and carbohydrates at 14.507 to 25.090%. Conclussion is the need to do further research to determine the amino acid components of goat skin gelatin or gelatin also compared with the skin of other animals and are expected to also be applicable for use in a wide variety of food products, such as yogurt sausage casings, edible film.

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