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All Journal Buletin Peternakan JPM: JURNAL PENGABDIAN MASYARAKAT Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit
Mustafidah Udkhiyati
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Aerospace Engineering Arts Humanities Astronomy Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Medicine & Pharmacology Public Health Social Sciences Transportation Veterinary Other

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Journal : Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit

 1 
RESULT QUALITY ASSESSMENT OF SHEEP SKIN GOLF GLOVES TANNING BASED ON THERMAL AND MICROBIAL RESISTANCE Chorynur Retmaningrum; Mustafidah Udkhiyati; Elis Nurbalia
Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit Vol 23 No 1 (2024): Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit
Publisher : Politeknik ATK Yogyakarta

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Abstract

The limited availability of domestic raw materials has encouraged the leather tanning industry to import raw materials from various countries. The condition of skin raw materials imported from abroad is generally in the form of pickle or wet blue-like (skin that has been chrome tanned in small amounts (1.5% (w/w)). Industry concerns regarding the adequacy of tanning degree on wet blue-like skin conducing the treatment being carried out using the same method and amount of tanning agent for both pickle and wet blue-like skin. Thus, potentially causing excessive use of chrome. This research compares the effect of tanning treatment on thermal and microbial resistance as well as physical characteristics of glove leather with wet blue-like skin raw materials. Based on the research results, it is known that treatment without re-chroming produces lower thermal and microbial resistance than treatment with re-chroming. However, the formulation without re-chroming treatment on wet blue-like skin can be recommended for application considering that the results obtained have characteristics in accordance with the requirements according to SNI 06-0777-1996. The application without re-chroming formulations can enable produce efficiency due to the use of less chrome and faster operational times. Still, adjustments need to be made regarding handling to prevent the growth of microorganisms. This is because the probability of growth of microorganisms when applying formulations without tanning is higher than formulations with tanning.
RETANNING EFFECT ON WATER REPELLENCY OF UPHOLSTERY LEATHER Irieka Widiya Permata; Mustafidah Udkhiyati; R.L.M.S. Ari Wibowo
Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit Vol 23 No 1 (2024): Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit
Publisher : Politeknik ATK Yogyakarta

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Abstract

Water repellent properties in upholstery leather is required to increase its durability. In this study, the effect of various retanning materials to the water repellent properties of upholstery leather is identified. The raw material used is IV quality of wet blue cow leather. The treatment is divided into 3 formulas, they are control using vegetable retanning materials such as mimosa, chestnut and tara; treatment 1 using vegetable (mimosa and chestnut), syntan tanning agent (white syntan/Basyntan DLE) and melamine resin (Eurosintan M)); and treatment 2 using syntan (white syntan/Basyntan DLE and softening syntan/Sertan BSF) and resin (melamine resin/Eurosintan M and acrylic resin/Retingan R7). Water absorption, tensile strength and elongation is carried out to test the effect. Based on the test results, it is showed that the treatment 2 produces upholstery leather with the highest water repellent properties with a water absorption test result of 24.75%. The results of the tensile strength and elongation tests produced in treatment 2 also complied with SNI 06-0779-1989 with values of 239.59 kg/cm2 and 75.27%, respectively.
Co-Authors Baskoro Ajie Chorynur Retmaningrum Elis Nurbalia Emiliana Anggriyani Fadzkurisma Rabbika Irieka Widiya Permata Laili Rachmawati Nais Pinta Adetya Nur Mutia Rosiati R.L.M.S. Ari Wibowo Ragil Yuliatmo Swatika Juhana