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All Journal Buletin Peternakan Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit
Emiliana Anggriyani
Politeknik ATK Yogyakarta
Veterinary Other

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The Use of Glutaraldehyde Tanning Materials for Goat Skin Tanning Laili Rachmawati; Emiliana Anggriyani
Buletin Peternakan Vol 42, No 2 (2018): BULETIN PETERNAKAN VOL. 42 (2) MAY 2018
Publisher : Faculty of Animal Science, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21059/buletinpeternak.v42i2.27721

Abstract

Tanning process using free chromed material is needed to reduce toxic content in leather. The aims of this study is to increase byproducts of livestock by goat skin tanning with free chrome tanning materials. This study used glutaraldehyde as tanning materials. Goat skins were tanned become upholstery leather, and then physical quality was determined. The materials of this study were pickle goat skin. Physical testing conducted in Balai Besar Kulit, Karet dan Plastik (BBKKP) Yogyakarta. The results were analyzed descriptively using SPSS version 17.0 for Windows. Statistical analysis showed that the value of tensile strength, elongation, tear strength, sewing strength, scrub resistance of paint to dry and wet were 166.025 ± 72.315 kg/cm²; 69.910 ± 9.107%; 26.785 ± 6.031 N/cm; 115.120 ± 18.681 kg/cm; 0.775 ± 0.353; 0.775 ± 0.353 respectively. This study showed that the physical quality of upholstery leather which tanned using free chrome tanning materials have the physical qualities that met with SNI standard for leather upholstery.
SUBSTITUTION OF SOLVENT-BASED SYSTEMS WITH WATER-BASED IN THE TOPCOAT FINISHING OF LAMINATED FOIL LEATHER Nely Cahyani; Atiqa Rahmawati; Emiliana Anggriyani
Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit Vol. 24 No. 2 (2025): Berkala Penelitian Kulit, Sepatu, dan Produk Kulit
Publisher : Politek ATK Yogyakarta Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58533/yc11qw87

Abstract

Laminated leather is widely used types of leather due to its appealing surface appearance and mechanical durability. However, the conventional top-coating process of laminated leather typically employs solvent-based compounds such as butyl acetate, which contain volatile organic compounds (VOCs) that contribute to environmental pollution and health hazards. The substitution of solvent-based with water-based formulations in the top coat represents an important step toward more sustainable and eco-friendly leather manufacturing practices. In this study, leather samples were prepared and subjected to three different treatments: K1 (water-based), K2 (solvent-based), and K3 (without solvent). The finishing stages included milling, buffing, foil lamination, additional milling, and top coat spraying. The finished leathers were evaluated organoleptically through several assessments, including foil adhesion, surface gloss, surface texture, and color shift analysis. The findings revealed that the type of top coat significantly affected both the visual and adhesive properties of the laminated leather. The water-based top coat produced a slightly rougher surface with lower gloss and a darker tone, while the solvent-based top coat resulted in a smoother, glossier finish that retained the leather’s original color. Furthermore, the water-based top coat exhibited the highest foil adhesion strength, achieving an average score of 3.7 (on a scale of 4), compared to 2.6 for solvent-based and 1.0 for untreated samples. These results indicate that water-based top coats can effectively enhance foil adhesion while reducing the environmental impact, making them a promising alternative for sustainable laminated leather finishing in upper shoe production.
Co-Authors Atiqa Rahmawati Laili Rachmawati Nely Cahyani