Utilización de diferentes niveles de tanino híbrido para el enriquecimiento fibrilar del cuero caprino

Abstract

This research is because of in the leather tanning laboratory of the FCP (Faculty of Animal Science) at ESPOCH (Escuela Superior Politécnica de Chimborazo), they were evaluated different levels of hybrid tannin (4, 5 and 6%) for the fibrillar requirement of the leather, using 24 goat skins and under a completely random design. The results indicated that when using 6% hybrid tannin (T3) was obtained the highest tensile strength (4267.81 N/cm2), elongation percentage (70.63%), and lastometry (9.70mm), that in addition to complying with the quality requirements of leather for shoes, takes care of the environment. The sensory estimation of the goat leather showed supremacy when using higher levels of hybrid tannin especially in regard to fullness, (4.75 points), fineness of flower (4.75 points); meanwhile, the greatest roundness (4.5 points) was reached when applying 4% hybrid tannin. Therefore, it is stated that the material produced is very soft, mouldable and above all it allows to stand out the beauty of the leather grain. The economic evaluation established that when tanning with 6% hybrid tannin the highest benefit / cost ratio was obtained and that it was $ 1.17; that is to say, for each dollar invested it is expected a profit of 17 cent-dollar, which corresponds to 17% of profit, so it is recommended to use 6% of tannin in order to obtain leathers with better physical benefits, sensory qualifications and greater economic benefit, in addition the footwear industry can be provided with an ecological material with very good benefits.