A star-shaped POSS-containing polymer for cleaner leather processing

Jia, Lishan; Ma, Jianzhong; Gao, Dangge; Tait, William R. T.; Sun, Luyi

doi:10.1016/j.jhazmat.2018.08.093

Cited by 51 publications

(23 citation statements)

References 41 publications

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“…Throughout history, the durability, toughness, and flexibility found in processed animal-based leather have led to its high demand worldwide. The leather industry occupies a major role in the world’s trade economy having an estimated trade value of US $100 billion per year. , However, the processes involved in the manufacturing of leather result in high yields of environmental and public health contaminants. − Highly toxic chromium-tanning processes are used in 90% of the treatments of animal hide for the commercialization of leather. − As a result, the increasing demand for a sustainable leather industry have prompted the development of alternative processing techniques and emerging polymer-based synthetic substitutes. ,, While synthetic substitutes have mitigated toxic waste associated with tanning processes, its nonbiodegradability presents an environmental burden. − Most recent efforts in material science have focused in the careful engineering of natural leather substitutes in an attempt to reduce the ecological footprint of the industry. , The latter involves the processing of natural resources (e.g., cork, plants, and fungi) to produce biocompatible and biodegradable materials with physical properties similar to those of animal-based leather. − …”

Section: Introductionmentioning

confidence: 99%

Uncovering the Mechanical, Thermal, and Chemical Characteristics of Biodegradable Mushroom Leather with Intrinsic Antifungal and Antibacterial Properties

Bustillos

Loganathan

Agrawal

et al. 2020

ACS Appl. Bio Mater.

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The growing demand for a sustainable leather industry with a low environmental impact has prompted the development of alternative vegetable-based materials. In this study, a biodegradable mushroom-based leather derived from the fruiting body of Phellinus ellipsoideus is investigated. The biodegradable leather proves to be thermally stable up to 250 °C. The mechanically robust macrostructure combines a tensile strength of 1.2 MPa and ductility (101% strain at break) attributed to the natural balance of chitin (0.3) and proteins (0.7) constituting the mycelium fibers. The chitin–protein system results in an intrinsic scratch-resistant structure with exciting damping properties in a low frequency range. Enhanced damping capabilities within 5–20 Hz (tan δ: 0.1–0.20) are attributed to the macrostuctural alignment of the mycelium under cyclic tension. Whereas, increasing frequencies >20 Hz induce micromolecular interactions between chitin and proteins within the fibers. Exposure of the bioleather to acidic (pH 4, 5) and basic (pH 8, 9) media demonstrated the selective dissolution of proteins (basic) and chitin (acid) components within the mycelium, opening an opportunity for tunable mechanical response. Reducing the protein content induced an increase in stiffness and strength (pH 8 and 9), while reducing its chitin component showed variable ductility (pH 4 and 5). Owing to the entirely natural composition of the mushroom leather, intrinsic antifungal and antibacterial properties found in the mycelium resist fungal invasion and bacterial growth. Thus, this study displays the unique morphology–property relationship of a biodegradable mushroom leather, proving its potential as a fully sustainable and environmentally friendly alternative.

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Section: Introductionmentioning

confidence: 99%

Uncovering the Mechanical, Thermal, and Chemical Characteristics of Biodegradable Mushroom Leather with Intrinsic Antifungal and Antibacterial Properties

Bustillos

Loganathan

Agrawal

et al. 2020

ACS Appl. Bio Mater.

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“…POSS cage-like structure generally anchoring eight active groups could be utilized to pretreat pelt, that is, collagen fiber matrix to increase its binding sites to the subsequently used conventional tanning agents (simply, additives containing multi-functional groups, similar to cross-linkers), to significantly promote their efficiency and endow the obtained leather with excellent performances. For example, Ma and his colleague [83,84] prepared a type of multi-carboxyl polymer composite using vinyl POSS and (meth)acrylic acid by the interface free radical polymerization. And then they pretreat the pelt with 2 and 6% organic-inorganic composite containing POSS nano-cages before chrome tanning.…”

Section: Modification Of Collagen Fiber and Gelatinmentioning

confidence: 99%

Biomass/polyhedral oligomeric silsesquioxane nanocomposites: Advances in preparation strategies and performances

Wang

Zhang

et al. 2020

J of Applied Polymer Sci

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Polyhedral oligomeric silsesquioxane (POSS) as an organic–inorganic hybrid at a molecular level, has excellent mechanical properties, thermodynamic properties, dielectric properties and so on. In recent decades, POSS has been extensively used in modification of various polymers to prepare nanocomposites with enhanced comprehensive performances. Biomass materials such as chitosan, cellulose, silk protein, collagen fibers and gelatin have excellent biocompatibility and biodegradability, which have been widely used in the fields such as biomedical, innovative environmental protection and so on. However, deficiencies including insufficient mechanical properties and rapid rate of biodegradation hampered their application. This paper briefly introduced the principal methods to synthesize POSS nanoparticles, and then focused on technologies for preparing biomass‐based composites utilizing diverse functional POSSs. Finally, put forward the prospects of POSS modification technology and its future application direction. This article will have a positive guiding role for the further research and development of biomass/POSS nanocomposites.

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“…Penyamakan kulit menggunakan Cr (III) sulfat lebih disukai oleh industri penyamakan apabila dibandingkan dengan penyamakan nabati, karena waktu penyamakan lebih cepat, kualitas kulit samak lebih baik dalam segala hal dan lebih banyak fleksibilitas pada penggunaan kulit samaknya. Garam kromium trivalen (Cr 3+ ) merupakan zat penyamak krom yang paling banyak digunakan dalam industri kulit (Jia, et al, 2019). Ion Cr 3+ bereaksi dengan gugus karboksil pada kolagen kulit untuk membentuk ikatan koordinasi yang kuat, yaitu ikatan silang dengan serat kolagen sehingga merubah kulit mentah menjadi kulit yang stabil (Xia, et al, 2019).…”

Section: Hasil Dan Pembahasan Kulit Samak Krom Dan Persyaratan Mutuunclassified

Bahaya Kromium Hexavalen (Cr VI) Pada Kulit Dan Produk Kulit Samak Krom Serta Upaya Pencegahannya

Murti

Sugihartono

2020

j.res.technol.ind.

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A star-shaped POSS-containing polymer for cleaner leather processing

Cited by 51 publications

References 41 publications

Uncovering the Mechanical, Thermal, and Chemical Characteristics of Biodegradable Mushroom Leather with Intrinsic Antifungal and Antibacterial Properties

Uncovering the Mechanical, Thermal, and Chemical Characteristics of Biodegradable Mushroom Leather with Intrinsic Antifungal and Antibacterial Properties

Biomass/polyhedral oligomeric silsesquioxane nanocomposites: Advances in preparation strategies and performances

Bahaya Kromium Hexavalen (Cr VI) Pada Kulit Dan Produk Kulit Samak Krom Serta Upaya Pencegahannya

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