What question did this study set out to answer?

To systematically evaluate the effects of single, binary, and ternary vegetable tannin combinations on the mechanical strength, structural integrity, and color stability of sole leathers.

September 17, 2026ACS OmegaOpen Access

Balancing Color Stability and Mechanical Performance in Sole Leather: A Sustainable Materials Approach Using Vegetable Tannin Formulations

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Authors

EBEmre Basaran AYAli Yorgancıoğlu NENilay Örk Efendioğlu

Discussion

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Overview

Material evaluation reveals optimized mimosa, quebracho, and chestnut tannin blends balance color and strength in sole leather, highlighting sustainable chromium-free tanning alternatives.

Key Points

To systematically evaluate the effects of single, binary, and ternary vegetable tannin combinations on the mechanical strength, structural integrity, and color stability of sole leathers.
Applied mimosa, quebracho, and chestnut tannins as single (40%), binary (mimosa–quebracho at varying ratios), and ternary formulations (mimosa–quebracho with a fixed 5% chestnut) to sole leather.
Assessed tannin fixation, fiber organization, and structural preservation using Fourier-transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM).
Evaluated mechanical strength (tensile, tear, softness, hardness), hydrothermal stability via shrinkage temperature, and color stability using UV-aging tests (measuring ΔE).
Quebracho-based leathers yielded higher tensile and tear strength, while mimosa imparted lighter shades and greater softness; binary formulations of 15% mimosa with 25% quebracho and 25% mimosa with 15% quebracho balanced color homogeneity with mechanical performance.
Ternary systems with 5% chestnut tannin enhanced leather shrinkage temperature and overall mechanical stability while slightly altering color.
UV-aging tests showed mimosa-rich leathers experienced greater total color change (ΔE), whereas quebracho and chestnut improved resistance to UV degradation.

Cite This Study

Basaran et al. (2026) studied this question.

synapsesocial.com/papers/6aabb69c5f706d05830e5272 https://doi.org/10.1021/acsomega.5c10534

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September 17, 2026ACS OmegaOpen Access

Balancing Color Stability and Mechanical Performance in Sole Leather: A Sustainable Materials Approach Using Vegetable Tannin Formulations

View Full Paper

Ask AI

Bookmark

Authors

EBEmre Basaran AYAli Yorgancıoğlu NENilay Örk Efendioğlu

Discussion

Member takes

Overview

Material evaluation reveals optimized mimosa, quebracho, and chestnut tannin blends balance color and strength in sole leather, highlighting sustainable chromium-free tanning alternatives.

Key Points

To systematically evaluate the effects of single, binary, and ternary vegetable tannin combinations on the mechanical strength, structural integrity, and color stability of sole leathers.
Applied mimosa, quebracho, and chestnut tannins as single (40%), binary (mimosa–quebracho at varying ratios), and ternary formulations (mimosa–quebracho with a fixed 5% chestnut) to sole leather.
Assessed tannin fixation, fiber organization, and structural preservation using Fourier-transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM).
Evaluated mechanical strength (tensile, tear, softness, hardness), hydrothermal stability via shrinkage temperature, and color stability using UV-aging tests (measuring ΔE).
Quebracho-based leathers yielded higher tensile and tear strength, while mimosa imparted lighter shades and greater softness; binary formulations of 15% mimosa with 25% quebracho and 25% mimosa with 15% quebracho balanced color homogeneity with mechanical performance.
Ternary systems with 5% chestnut tannin enhanced leather shrinkage temperature and overall mechanical stability while slightly altering color.
UV-aging tests showed mimosa-rich leathers experienced greater total color change (ΔE), whereas quebracho and chestnut improved resistance to UV degradation.

Cite This Study

Basaran et al. (2026) studied this question.

synapsesocial.com/papers/6aabb69c5f706d05830e5272 https://doi.org/10.1021/acsomega.5c10534

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