Biomass derived oligosaccharides for potential leather tanning

Jiang, Zhicheng; Ding, Wei; Fan, Jiajun; Liao, Yuhe; Remón, Javier; Shi, Bi

doi:10.1186/s42825-023-00113-x

Cited by 17 publications

(8 citation statements)

References 13 publications

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“…This process selectively cleaved the C2− C3 bond of the glucose unit, resulting in the formation of 2,3dialdehyde compounds. 23 Addressing chromium pollution, a challenging endeavor persists in devising a practical method to create formaldehyde (FA)-free amino resin (AR) for mitigating FA toxicity in leather production. Exploring benign aldehyde compounds as substitutes for FA in the preparation of eco-friendly AR presents a promising avenue.…”

Section: ■ Introductionmentioning

confidence: 99%

“…A synergetic effect of biomass-based hydrocarboxylic acid–zirconinium combination tanning aluminum–zirconium-oligosacharides and biomass-derived aldehyde (BDA) tanning agents were synthesized by subjecting sodium carboxymethyl cellulose (CMC) and sugar cane bagasse to periodate oxidation. This process selectively cleaved the C2–C3 bond of the glucose unit, resulting in the formation of 2,3-dialdehyde compounds …”

Section: Introductionmentioning

confidence: 99%

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Win–Win Approach Toward Chrome-Free and Chrome-Less Tanning with Waterborne Epoxy Polymers: A Sustainable Way To Curb the Use of Chrome

Madhu,

Mayakrishnan,

Muthu

et al. 2024

ACS Sustainable Chem. Eng.

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Leather, a natural biomaterial sourced from animal skins and hides, is characterized by its intricate three-dimensional collagen fiber network. In this study, we present an innovative approach to stabilize goat skins using chrome-free and chrome-less tanning processes using epoxy polymers to comprehend surface active properties. Comprehensive structural and chemical analyses of the synthesized epoxy polymers were conducted employing Fourier-transform infrared spectroscopy (FT-IR), nuclear magnetic resonance, and gel permeation chromatography (GPC) for molecular weight determination along with particle size analysis in a water emulsion (1−2%). The surface tension was carried out for the surface activity of the polymers. Epoxy tanning yielded leather with a notable shrinkage temperature (T s ) of 80 ± 2 °C, when combined with chrome tanning (3%), bringing T s to 101 °C, similar to that of conventionally processed leather. The combined tanning achieved a significantly higher thickening rate of 108% and higher softness than chrome-tanned leathers. Comprehensive analyses of physical attributes, including tensile strength (26 N mm 2 ), tear resistance (78 N mm), elongation (48%), and shrinkage temperatures, were conducted. Field emission scanning electron microscopy (FE-SEM) and energy-dispersive X-ray spectroscopy (EDX) were employed to visualize the elemental composition and infer information on the splitting of collagen fibers. This approach of surface active tanning agent in leather processing technology results in improved leather properties with a reduced environmental footprint.

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Section: ■ Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Win–Win Approach Toward Chrome-Free and Chrome-Less Tanning with Waterborne Epoxy Polymers: A Sustainable Way To Curb the Use of Chrome

Madhu,

Mayakrishnan,

Muthu

et al. 2024

ACS Sustainable Chem. Eng.

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“…The reliance of the modern society on nonrenewable petroleum-based resources in conjunction with the adverse environmental impacts, such as increased CO 2 emissions and acid rain, motivates research efforts to identify and explore alternative renewable resources for the production of fuels, fine chemicals, and materials. − Cellulose- and hemicellulose-derived carbohydrates, which are up to 75 wt % lingocellulosic biomass and synthesized from carbon dioxide and water via photosynthesis, are recognized as alternatives. As the most abundant sustainable resources on earth, carbohydrates are known to be conventionally converted into platform chemicals, such as 5-hydroxymethylfurfural (HMF)/furfural through the dehydration pathway and lactic acid/lactates through C–C bond cleavage via chemocatalytic methods, which has been extensively studied and reviewed. − Besides these common valuable products, the huge potential of carbohydrates remains to be explored due to their rich functionalities.…”

Section: Introductionmentioning

confidence: 99%

Toward Value-Added Chemicals from Carbohydrates via C–C Bond Cleavage and Coupling Transformations

Zhang,

Liu

et al. 2024

ACS Catal.

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Renewable carbohydrates are nearly inexhaustible libraries of chemical building blocks, and significant research efforts have been devoted to their valorization to valuable chemicals in the past decades. The commonly recognized main transformation routes include dehydration and C−C bond cleavage pathways, which lead to the production of conventional platform chemicals such as 5-hydroxymethylfurfural/furfural, lactic acid/lactates, and so on. With the huge availability of carbohydrates on earth, the production of other fine chemicals is very attractive but remains sparse. This Review therefore emphasizes the utilization strategies of carbohydrates based on in situ C−C bond cleavage to lower carbon fragments, such as glycolaldehyde and erythrose, and their subsequent transformations, e.g. hydrogenation, hydrogenolysis, oxidation, nucleophilic addition, and amination. The isolation of reactive intermediates is avoided, leading to the formation of a variety of "unconventional" useful scaffolds, such as ethylene glycol, ethanol, keto-alcohols, glycolic acid, formic acid, C4 skeleton α-hydroxy esters, N-containing compounds, etc. Inspired by the transformation of active intermediates, the direct conversion of monosugars with similar structures through C−C coupling to furan-based chemicals is also briefly reviewed. The primary focus of this Review is to show the spectacular range of fine chemicals that can be accessed from carbohydrates via C−C bond cleavage and coupling approaches. A summary of the reviewed works and some opportunities and challenges within this attractive field are underlined for future research in sugar chemistry.

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“…Efficient utilization of renewable lignin resources, based on their structural features, plays a crucial role in advancing sustainable industries and manufacturing processes. [1][2][3] Lignin, with its abundant benzene rings, exhibits vast potential to generate aromatic platform chemicals, paving the way for their broader application in pharmaceuticals, polymers, biofuels, and other industries. [4][5][6][7] Vanillyl alcohol (VAL), a typical lignin derivative with significant potential and value in fine chemical synthesis, food, and biomedical fields, 8,9 can be synthesized through the oxidative degradation of lignin to vanillin (VAN), followed by its hydrogenation.…”

Section: Introductionmentioning

confidence: 99%

Composite fiber as a multifunctional catalyst support for the upgradation of lignin-based chemicals

Li,

Ma,

Guo

et al. 2024

Green Chem.

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Biomass derived oligosaccharides for potential leather tanning

Cited by 17 publications

References 13 publications

Win–Win Approach Toward Chrome-Free and Chrome-Less Tanning with Waterborne Epoxy Polymers: A Sustainable Way To Curb the Use of Chrome

Win–Win Approach Toward Chrome-Free and Chrome-Less Tanning with Waterborne Epoxy Polymers: A Sustainable Way To Curb the Use of Chrome

Toward Value-Added Chemicals from Carbohydrates via C–C Bond Cleavage and Coupling Transformations

Composite fiber as a multifunctional catalyst support for the upgradation of lignin-based chemicals

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