Preparation of the Catalytic Chitin/Zn Composite by Combined Ionic Liquid–Inorganic Salt Aqueous Solution from Shrimp Shells

The gentle and simple preparation of chitin/metal composites from shrimp shells is meaningful due to their various applications and due to other environmentally unfriendly traditional approaches. Here, we propose a two-step method to prepare chitin/Zn composite from shrimp shells using phosphate ionic liquid (IL) and Zn(OAc)2•2H2O aqueous solution (aq.). The ILs and Zn(OAc)2•2H2O aq. contributed to deproteinization and decalcification/Zn-loading, respectively. The effect of anion/cations of the ILs and temperature on the protein removal is greater than IL/shrimp shells mass ratio and time. Additionally, the concentration of Zn(OAc)2•2H2O aq. and temperature have great influences on the calcium carbonate removal and Zn-loading ability. Optimally, shrimp shells are treated sequentially with 1-ethyl-3-methyl imidazole dimethyl phosphate ([Emim]DMP) and 20 wt % Zn(OAc)2•2H2O aq. at 130 °C for 3 h, and the chitin/Zn composite is obtained with 0.2 wt % protein, 0.7 wt % calcium carbonate, and 13.4 wt % Zn. The ...

[1]  V. Balcão,et al.  Insights into Protein-Ionic Liquid Interactions Aiming at Macromolecule Delivery Systems , 2018 .

[2]  B. Szczygieł,et al.  XPS and FT-IR Characterization of Selected Synthetic Corrosion Products of Zinc Expected in Neutral Environment Containing Chloride Ions , 2018, Journal of Spectroscopy.

[3]  Lina Zhang,et al.  Recent advances in chitin based materials constructed via physical methods , 2018, Progress in Polymer Science.

[4]  Lina Zhang,et al.  Ultra-small Pd clusters supported by chitin nanowires as highly efficient catalysts , 2018, Nano Research.

[5]  Jiayu Xin,et al.  Separation and characterization of cellulose I material from corn straw by low-cost polyhydric protic ionic liquids , 2018, Cellulose.

[6]  X. Wang,et al.  Urea free synthesis of chitin-based acrylate superabsorbent polymers under homogeneous conditions: Effects of the degree of deacetylation and the molecular weight. , 2017, Carbohydrate polymers.

[7]  A. Hamood,et al.  Preparation of chitin‐CdTe quantum dots films and antibacterial effect on Staphylococcus aureus and Pseudomonas aeruginosa , 2017 .

[8]  C. Schröder.  Proteins in Ionic Liquids: Current Status of Experiments and Simulations , 2017, Topics in Current Chemistry.

[9]  Xiangping Zhang,et al.  Highly Efficient Dissolution of Wool Keratin by Dimethylphosphate Ionic Liquids , 2015 .

[10]  C. Mukesh,et al.  Choline chloride-thiourea, a deep eutectic solvent for the production of chitin nanofibers. , 2014, Carbohydrate polymers.

[11]  Lina Zhang,et al.  Highly antibacterial materials constructed from silver molybdate nanoparticles immobilized in chitin matrix , 2013 .

[12]  K. Kurzydłowski,et al.  An extreme biomimetic approach: hydrothermal synthesis of β-chitin/ZnO nanostructured composites. , 2013, Journal of materials chemistry. B.

[13]  S. Nair,et al.  Evaluation of Wound Healing Potential of β-Chitin Hydrogel/Nano Zinc Oxide Composite Bandage , 2012, Pharmaceutical Research.

[14]  R. Luque,et al.  Advances on biomass pretreatment using ionic liquids: An overview , 2011 .

[15]  N. Sun,et al.  Dissolution or extraction of crustacean shells using ionic liquids to obtain high molecular weight purified chitin and direct production of chitin films and fibers , 2010 .

[16]  S. Nikolov,et al.  Revealing the Design Principles of High‐Performance Biological Composites Using Ab initio and Multiscale Simulations: The Example of Lobster Cuticle , 2010, Advanced materials.

[17]  N. Cioffi,et al.  Analytical characterization of chitosan nanoparticles for peptide drug delivery applications , 2009, Analytical and bioanalytical chemistry.

[18]  S. Irie,et al.  A novel biomass-ionic liquid platform for the utilization of native chitin , 2008 .

[19]  Ke‐long Huang,et al.  Mechanisms and kinetics of chelating reaction between novel chitosan derivatives and Zn(II). , 2007, Journal of hazardous materials.

[20]  Suobo Zhang,et al.  Chitin and chitosan dissolved in ionic liquids as reversible sorbents of CO2 , 2006 .

[21]  M. Rinaudo,et al.  Chitin and chitosan: Properties and applications , 2006 .

[22]  J. Nah,et al.  Physicochemical characterization of α-chitin, β-chitin, and γ-chitin separated from natural resources , 2004 .

[23]  A. Percot,et al.  Optimization of chitin extraction from shrimp shells. , 2003, Biomacromolecules.