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Chen L, Yu X, Gao M, Xu C, Zhang J, Zhang X, Zhu M, Cheng Y. Renewable biomass-based aerogels: from structural design to functional regulation. Chem Soc Rev 2024. [PMID: 38894663 DOI: 10.1039/d3cs01014g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/21/2024]
Abstract
Global population growth and industrialization have exacerbated the nonrenewable energy crises and environmental issues, thereby stimulating an enormous demand for producing environmentally friendly materials. Typically, biomass-based aerogels (BAs), which are mainly composed of biomass materials, show great application prospects in various fields because of their exceptional properties such as biocompatibility, degradability, and renewability. To improve the performance of BAs to meet the usage requirements of different scenarios, a large number of innovative works in the past few decades have emphasized the importance of micro-structural design in regulating macroscopic functions. Inspired by the ubiquitous random or regularly arranged structures of materials in nature ranging from micro to meso and macro scales, constructing different microstructures often corresponds to completely different functions even with similar biomolecular compositions. This review focuses on the preparation process, design concepts, regulation methods, and the synergistic combination of chemical compositions and microstructures of BAs with different porous structures from the perspective of gel skeleton and pore structure. It not only comprehensively introduces the effect of various microstructures on the physical properties of BAs, but also analyzes their potential applications in the corresponding fields of thermal management, water treatment, atmospheric water harvesting, CO2 absorption, energy storage and conversion, electromagnetic interference (EMI) shielding, biological applications, etc. Finally, we provide our perspectives regarding the challenges and future opportunities of BAs. Overall, our goal is to provide researchers with a thorough understanding of the relationship between the microstructures and properties of BAs, supported by a comprehensive analysis of the available data.
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Affiliation(s)
- Linfeng Chen
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, People's Republic of China.
| | - Xiaoxiao Yu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, People's Republic of China.
| | - Mengyue Gao
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, People's Republic of China.
| | - Chengjian Xu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, People's Republic of China.
| | - Junyan Zhang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, People's Republic of China.
| | - Xinhai Zhang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, People's Republic of China.
| | - Meifang Zhu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, People's Republic of China.
| | - Yanhua Cheng
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, People's Republic of China.
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He N, Zhao X, Li Z, Shi T, Li Z, Guo F, Li W. Polydopamine Enhanced Interactions of Graphene Nanosheets to Fabricate Graphene/Polydopamine Aerogels with Effectively Clear Organic Pollutants. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:9592-9601. [PMID: 38647559 DOI: 10.1021/acs.langmuir.4c00363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/25/2024]
Abstract
Graphene/polydopamine aerogels (GPDXAG, where X represents the weight ratio of DA·HCl to GO) were prepared by the chemical reduction of graphene oxide (GO) using dopamine (DA) and l-ascorbic acid as reducing agents. During the gelation process, DA was polymerized to form polydopamine (PDA). The introduction of PDA in the gelation of aerogels led to a deeper reduction of GO and stronger interactions between graphene nanosheets forced by covalent cross-linking and noncovalent bonding including π-π stacking and hydrogen bonding. The weight ratio of DA·HCl to GO influencing the formation and morphology of GPDXAG was explored. With the increasing content of DA in gelation, the reduction of GO and the cross-linking degree of graphene nanosheets were enhanced, and the resulting GPDXAG had a more regular pore distribution. Additionally, introducing PDA into GPDXAG improved its hydrophobicity because of the adhesion of PDA to a network of aerogels. GPDXAG exhibited a higher removal efficiency for organic pollutants than the controlled graphene aerogels (GAG). Specifically, the adsorption capacity of GPDXAG for organic solvents was superior to that of GAG, and organic solvent was completely separated from the oil/water mixture by GPDXAG. The equilibrium adsorption capacity of GPDXAG for malachite green (MG) was measured to be 768.50 mg/g, which was higher than that for methyl orange (MO). In MG/MO mixed solutions, aerogels had obvious adsorption selectivity for the cationic dye. The adsorption mechanism of aerogels for MG was also discussed by simulating adsorption kinetic models and adsorption isothermal models.
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Affiliation(s)
- Naipu He
- School of Chemistry and Chemical Engineering, Lanzhou Jiaotong University, Lanzhou 730070, P. R. China
| | - Xuerui Zhao
- School of Chemistry and Chemical Engineering, Lanzhou Jiaotong University, Lanzhou 730070, P. R. China
| | - Zongjie Li
- School of Chemistry and Chemical Engineering, Lanzhou Jiaotong University, Lanzhou 730070, P. R. China
| | - Tingting Shi
- School of Chemistry and Chemical Engineering, Lanzhou Jiaotong University, Lanzhou 730070, P. R. China
| | - Zongxin Li
- School of Chemistry and Chemical Engineering, Lanzhou Jiaotong University, Lanzhou 730070, P. R. China
| | - Fengchuan Guo
- School of Chemistry and Chemical Engineering, Lanzhou Jiaotong University, Lanzhou 730070, P. R. China
| | - Wen Li
- School of Chemistry and Chemical Engineering, Lanzhou Jiaotong University, Lanzhou 730070, P. R. China
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Istianah N, Kang HJ, Yuwono SS, Suhartini S, Jung YH. Fed-batch treatment attenuates diffusional limitation while preparing high solid microfibrillated cellulose from Gelidium amansii. BIORESOURCE TECHNOLOGY 2024; 397:130471. [PMID: 38382723 DOI: 10.1016/j.biortech.2024.130471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 01/30/2024] [Accepted: 02/18/2024] [Indexed: 02/23/2024]
Abstract
This study investigates the effects of fed-batch treatment on the fibrillation degree and properties of Gelidium amansii-derived microfibrillated cellulose (MFC). Fed-batch milling was conducted with the initial solid loading of 1 % w/v followed by three stages of feeding to obtain a final solid concentration of 5 % w/v. This process provides a high-solid MFC of around 10 %, while batch milling only provides the maximum solid loading of 4 %. It also reduces approximately 83 % power consumption of batch milling at the same solid loading (4 %). The obtained MFC 5 % has lower fibrils length (14.9 µm) and width (16.46 nm), but higher consistency index (>250 Pa.s) than MFC 1 % (22 µm, 21 nm, 5.88 Pa.s). The crystallinity and maximum decomposition temperatures of both MFCs are comparable, varying at 49-53 % and 318 °C-320 °C. In summary, fed-batch treatment is promising for the techno-economic development of MFC production by lowering energy and maintaining product quality.
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Affiliation(s)
- Nur Istianah
- School of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, Republic of Korea; Department of Food Science and Biotechnology, Universitas Brawijaya, Malang 65145, Indonesia.
| | - Hye Jee Kang
- School of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, Republic of Korea.
| | - Sudarminto Setyo Yuwono
- Department of Food Science and Biotechnology, Universitas Brawijaya, Malang 65145, Indonesia.
| | - Sri Suhartini
- Department of Agro-industrial Technology, Universitas Brawijaya, Malang 65145, Indonesia; Centre of Excellence in Bioenergy and Biorefinery, Faculty of Agricultural Technology, Universitas Brawijaya, Malang 65145, Indonesia.
| | - Young Hoon Jung
- School of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, Republic of Korea.
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Li SL, Wang YT, Zhang SJ, Sun MZ, Li J, Chu LQ, Hu CX, Huang YL, Gao DL, Schiraldi DA. A Novel, Controllable, and Efficient Method for Building Highly Hydrophobic Aerogels. Gels 2024; 10:121. [PMID: 38391450 PMCID: PMC10888267 DOI: 10.3390/gels10020121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 12/20/2023] [Accepted: 01/09/2024] [Indexed: 02/24/2024] Open
Abstract
Aerogels prepared using freeze-drying methods have the potential to be insulation materials or absorbents in the fields of industry, architecture, agriculture, etc., for their low heat conductivity, high specific area, low density, degradability, and low cost. However, their native, poor water resistance caused by the hydrophilicity of their polymer matrix limits their practical application. In this work, a novel, controllable, and efficient templating method was utilized to construct a highly hydrophobic surface for freeze-drying aerogels. The influence of templates on the macroscopic morphology and hydrophobic properties of materials was investigated in detail. This method provided the economical and rapid preparation of a water-resistant aerogel made from polyvinyl alcohol (PVA) and montmorillonite (MMT), putting forward a new direction for the research and development of new, environmentally friendly materials.
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Affiliation(s)
- Shu-Liang Li
- SINOPEC (Beijing) Research Institute of Chemical Industry Co., Ltd., 14 Beisanhuan East Road, Chaoyang District, Beijing 100013, China
| | - Yu-Tao Wang
- SINOPEC (Beijing) Research Institute of Chemical Industry Co., Ltd., 14 Beisanhuan East Road, Chaoyang District, Beijing 100013, China
| | - Shi-Jun Zhang
- SINOPEC (Beijing) Research Institute of Chemical Industry Co., Ltd., 14 Beisanhuan East Road, Chaoyang District, Beijing 100013, China
| | - Ming-Ze Sun
- Department of Macromolecular Science and Engineering, Case Western Reserve University, Cleveland, OH 44106-7202, USA
| | - Jie Li
- SINOPEC (Beijing) Research Institute of Chemical Industry Co., Ltd., 14 Beisanhuan East Road, Chaoyang District, Beijing 100013, China
| | - Li-Qiu Chu
- SINOPEC (Beijing) Research Institute of Chemical Industry Co., Ltd., 14 Beisanhuan East Road, Chaoyang District, Beijing 100013, China
| | - Chen-Xi Hu
- SINOPEC (Beijing) Research Institute of Chemical Industry Co., Ltd., 14 Beisanhuan East Road, Chaoyang District, Beijing 100013, China
| | - Yi-Lun Huang
- SINOPEC (Beijing) Research Institute of Chemical Industry Co., Ltd., 14 Beisanhuan East Road, Chaoyang District, Beijing 100013, China
| | - Da-Li Gao
- SINOPEC (Beijing) Research Institute of Chemical Industry Co., Ltd., 14 Beisanhuan East Road, Chaoyang District, Beijing 100013, China
| | - David A Schiraldi
- Department of Macromolecular Science and Engineering, Case Western Reserve University, Cleveland, OH 44106-7202, USA
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Huang B, Jiang J. Construction of Super-Hydrophobic Lignocellulosic Nanofibrils Aerogels as Speedy Oil Absorbents. Appl Biochem Biotechnol 2024; 196:220-232. [PMID: 37115386 DOI: 10.1007/s12010-023-04560-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/18/2023] [Indexed: 04/29/2023]
Abstract
Lignocellulosic nanofibrils (LCNF) aerogels have a three-dimensional structure, with large specific surface area, low density, which is promising to be developed into a new type of adsorbent with high absorption capacity. However, LCNF aerogels have the problem of simultaneous oil and water adsorption. This high hydrophilicity directly leads to low adsorption efficiency in oil-water systems. This paper suggests a facile and economical method for the synthesis of biocompatible CE-LCNF aerogels using LCNF and Castor oil triglycidyl ether (CE) was successfully established. The use of LCNF enabled aerogels to possess remarkably uniform pore size and structural integrity, while the introduction of hydrophobic silica produced stable superhydrophobicity for more than 50 days at room temperature. These aerogels presented desirable hydrophobicity (131.6°), excellent oil adsorption capacity (62.5 g/g) and excellent selective sorption property, making them ideal absorbents for oil spill cleaning. The effects of ratios of LCNF to CE composition, temperatures and oil viscosity on the oil adsorption performance of aerogels were estimated. The results displayed that the aerogels had the maximum adsorption capacity at 25 °C. The pseudo-secondary model had higher validity in oil adsorption kinetic theories compared to the pseudo-first-order model. The CE-LCNF aerogels were excellent super-absorbents for oil removal. Moreover, the LCNF was renewable and nontoxic, which has the potential to promote environmental applications.
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Affiliation(s)
- Bujun Huang
- College of Safety Science and Engineer, Nanjing Tech University, Nanjing, 211816, China.
| | - Juncheng Jiang
- College of Safety Science and Engineer, Nanjing Tech University, Nanjing, 211816, China
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Zhang S, Liao Y, Lu K, Wang Z, Wang J, Lai L, Xin W, Xiao Y, Xiong S, Ding F. Chitosan/silica hybrid aerogels with synergistic capability for superior hydrophobicity and mechanical robustness. Carbohydr Polym 2023; 320:121245. [PMID: 37659825 DOI: 10.1016/j.carbpol.2023.121245] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 07/28/2023] [Accepted: 07/29/2023] [Indexed: 09/04/2023]
Abstract
Chitosan aerogels could be applied potentially in thermal insulation for energy-saving buildings, separation/adsorption, and catalysis. However, disadvantages of chitosan aerogels include their hydrophilicity and low insufficient mechanical strength. Here we propose a silica-phase hybriding route to create chitosan/silica hybrid aerogels with a synergistic capability for favourable hydrophobicity and superior mechanical strength, demonstrating an emergent finding (hydrophobicity optimised with the improved mechanical strength). The aerogels exhibit low drying shrinkage (as low as 13.41 %), lightweight (lowest to 0.149 g cm-1), high-efficient thermal insulation (thermal conductivity as low as to 0.024 W m-1 K-1 at room temperature and normal pressure) either under cryogenic (-196 °C) or high-temperature conditions, exceptional fire-retardancy (self-extinguishing in 1.8 s) and environmentally friendly characteristic (initial mineralisation after 10 d). High hydrophobic property (water contact angle up to 142°) of the aerogels were achieved depending upon 1H, 1H, 2H, 2H-perfluorodecyltriethoxysilane of vapor deposition, presenting a discovery concerning substantial improvement of mechanical properties (up to 0.188 MPa at 5 % strain, increased by 25 %). Furthermore, we demonstrate that a plausible mechanism for simultaneous hydrophobic and mechanical enhancement is depending upon the modulation of networking skeletons at the nanoscale.
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Affiliation(s)
- Sizhao Zhang
- Polymer Aerogels Research Center, Jiangxi University of Science and Technology, Nanchang 330013, Jiangxi, China; Science and Technology on Advanced Ceramic Fibers and Composites Laboratory, National University of Defense Technology, Changsha 410073, Hunan, China; Postdoctoral Research Station on Mechanics, College of Aerospace Science and Engineering, National University of Defense Technology, Changsha 410073, Hunan, China.
| | - Yanrong Liao
- Polymer Aerogels Research Center, Jiangxi University of Science and Technology, Nanchang 330013, Jiangxi, China
| | - Kunming Lu
- Polymer Aerogels Research Center, Jiangxi University of Science and Technology, Nanchang 330013, Jiangxi, China
| | - Zhao Wang
- Polymer Aerogels Research Center, Jiangxi University of Science and Technology, Nanchang 330013, Jiangxi, China
| | - Jing Wang
- Polymer Aerogels Research Center, Jiangxi University of Science and Technology, Nanchang 330013, Jiangxi, China
| | - Linzhe Lai
- Polymer Aerogels Research Center, Jiangxi University of Science and Technology, Nanchang 330013, Jiangxi, China
| | - Wangwang Xin
- Polymer Aerogels Research Center, Jiangxi University of Science and Technology, Nanchang 330013, Jiangxi, China
| | - Yunyun Xiao
- Polymer Aerogels Research Center, Jiangxi University of Science and Technology, Nanchang 330013, Jiangxi, China
| | - Shixian Xiong
- Polymer Aerogels Research Center, Jiangxi University of Science and Technology, Nanchang 330013, Jiangxi, China
| | - Feng Ding
- Polymer Aerogels Research Center, Jiangxi University of Science and Technology, Nanchang 330013, Jiangxi, China.
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