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Chen L, Wang S, Wang S, Chen C, Qi L, Yu L, Lu Z, Huang J, Chen J, Wang Z, Shi XW, Song Z, Liu H, Chen C. Scalable Production of Biodegradable, Recyclable, Sustainable Cellulose-Mineral Foams via Coordination Interaction Assisted Ambient Drying. ACS NANO 2022; 16:16414-16425. [PMID: 36240428 DOI: 10.1021/acsnano.2c05635] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Heavy reliance on petrochemical-based plastic foams in both industry and society has led to severe plastic pollution (the so-called "white pollution"). In this work, we develop a biodegradable, recyclable, and sustainable cellulose/bentonite (Cel/BT) foam material directly from resource-abundant natural materials (i.e., lignocellulosic biomass and minerals) via ambient drying. The strong resistance to the capillary force-driven structural collapse of the preformed three-dimensional (3D) network during the ambient drying process can be ascribed to the purpose-designed cellulose-bentonite coordination interaction, which provides a practical way for the locally scalable production of foam materials with designed shapes without complex processing and intensive energy consumption. Benefiting from the strong cellulose-bentonite coordination interaction, the Cel/BT foam material demonstrates high mechanical strength and outstanding thermal stability, outperforming commercial plastic polystyrene foam. Furthermore, the Cel/BT foam presents environmental impacts much lower than those of petrochemical-based plastic foams as it can be 100% recycled in a closed-loop recycling process and easily biodegraded in the environment (natural cellulose goes back to the carbon cycle, and bentonite minerals return to the geological cycle). This study demonstrates an energy-efficient ambient drying approach for the local and scalable production of an all-natural cellulose/bentonite foam for sustainable packaging, buildings, and beyond, presenting great potential in response to "white pollution" and resource shortage.
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Affiliation(s)
- Lu Chen
- Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, School of Resource and Environmental Sciences, Wuhan University, Wuhan 430079, China
| | - Siheng Wang
- Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, School of Resource and Environmental Sciences, Wuhan University, Wuhan 430079, China
- Key Laboratory of Biomass Energy and Material, Jiangsu Province, Key Laboratory of Chemical Engineering of Forest Products, National Forestry and Grassland Administration, National Engineering Research Center of Low-Carbon Processing and Utilization of Forest Biomass, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Institute of Chemical Industry of Forestry Products, Chinese Academy of Forestry, Nanjing 210042, China
| | - Shanshan Wang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Chang Chen
- State Environmental Protection Key Laboratory of Soil Health and Green Remediation, Huazhong Agricultural University, Wuhan 430070, China
| | - Luhe Qi
- Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, School of Resource and Environmental Sciences, Wuhan University, Wuhan 430079, China
| | - Le Yu
- Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, School of Resource and Environmental Sciences, Wuhan University, Wuhan 430079, China
| | - Ziyang Lu
- Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, School of Resource and Environmental Sciences, Wuhan University, Wuhan 430079, China
| | - Jing Huang
- Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, School of Resource and Environmental Sciences, Wuhan University, Wuhan 430079, China
| | - Junqing Chen
- Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, School of Resource and Environmental Sciences, Wuhan University, Wuhan 430079, China
| | - Zhen Wang
- State Environmental Protection Key Laboratory of Soil Health and Green Remediation, Huazhong Agricultural University, Wuhan 430070, China
| | - Xiao-Wen Shi
- Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, School of Resource and Environmental Sciences, Wuhan University, Wuhan 430079, China
| | - Zhanqian Song
- Key Laboratory of Biomass Energy and Material, Jiangsu Province, Key Laboratory of Chemical Engineering of Forest Products, National Forestry and Grassland Administration, National Engineering Research Center of Low-Carbon Processing and Utilization of Forest Biomass, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Institute of Chemical Industry of Forestry Products, Chinese Academy of Forestry, Nanjing 210042, China
| | - He Liu
- Key Laboratory of Biomass Energy and Material, Jiangsu Province, Key Laboratory of Chemical Engineering of Forest Products, National Forestry and Grassland Administration, National Engineering Research Center of Low-Carbon Processing and Utilization of Forest Biomass, Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Institute of Chemical Industry of Forestry Products, Chinese Academy of Forestry, Nanjing 210042, China
| | - Chaoji Chen
- Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, School of Resource and Environmental Sciences, Wuhan University, Wuhan 430079, China
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Lu W, Zhang H, Qi G, Hu X, Sun L, Su H, Zhang Q. Synthesis and properties of environmentally friendly double‐network fire fighting gel: Based on natural polymer/industrial solid waste. J Appl Polym Sci 2022. [DOI: 10.1002/app.53111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Wei Lu
- College of Safety and Environmental Engineering Shandong University of Science and Technology Qingdao China
- School of Safety Science and Engineering Anhui University of Science and Technology Huainan China
| | - Huilin Zhang
- College of Safety and Environmental Engineering Shandong University of Science and Technology Qingdao China
| | - Guansheng Qi
- College of Safety and Environmental Engineering Shandong University of Science and Technology Qingdao China
| | - Xiangming Hu
- College of Safety and Environmental Engineering Shandong University of Science and Technology Qingdao China
| | - Lulu Sun
- College of Safety and Environmental Engineering Shandong University of Science and Technology Qingdao China
| | - Hao Su
- College of Safety and Environmental Engineering Shandong University of Science and Technology Qingdao China
| | - Qian Zhang
- College of Safety and Environmental Engineering Shandong University of Science and Technology Qingdao China
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Ben Djemaa I, Andrieux S, Auguste S, Jacomine L, Tarnowska M, Drenckhan-Andreatta W. One-Step Generation of Alginate-Based Hydrogel Foams Using CO 2 for Simultaneous Foaming and Gelation. Gels 2022; 8:gels8070444. [PMID: 35877529 PMCID: PMC9322084 DOI: 10.3390/gels8070444] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 06/16/2022] [Accepted: 06/22/2022] [Indexed: 11/16/2022] Open
Abstract
The reliable generation of hydrogel foams remains a challenge in a wide range of sectors, including food, cosmetic, agricultural, and medical applications. Using the example of calcium alginate foams, we introduce a novel foam generation method that uses CO2 for the simultaneous foaming and pH reduction of the alginate solution to trigger gelation. We show that gelled foams of different gas fractions can be generated in a simple one-step process. We macroscopically follow the acidification using a pH-responsive indicator and investigate the role of CO2 in foam ageing via foam stability measurements. Finally, we demonstrate the utility of interfacial rheology to provide evidence for the gelation process initiated by the dissolution of the CO2 from the dispersed phase. Both approaches, gas-initiated gelation and interfacial rheology for its characterization, can be readily transferred to other types of gases and formulations.
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Affiliation(s)
- Imene Ben Djemaa
- Institut Charles Sadron, CNRS UPR22-University of Strasbourg, 67084 Cedex 2 Strasbourg, France; (I.B.D.); (S.A.); (L.J.)
- Urgo Research Innovation and Development, 21300 Cedex Chenôve, France; (S.A.); (M.T.)
| | - Sébastien Andrieux
- Institut Charles Sadron, CNRS UPR22-University of Strasbourg, 67084 Cedex 2 Strasbourg, France; (I.B.D.); (S.A.); (L.J.)
| | - Stéphane Auguste
- Urgo Research Innovation and Development, 21300 Cedex Chenôve, France; (S.A.); (M.T.)
| | - Leandro Jacomine
- Institut Charles Sadron, CNRS UPR22-University of Strasbourg, 67084 Cedex 2 Strasbourg, France; (I.B.D.); (S.A.); (L.J.)
| | - Malgorzata Tarnowska
- Urgo Research Innovation and Development, 21300 Cedex Chenôve, France; (S.A.); (M.T.)
| | - Wiebke Drenckhan-Andreatta
- Institut Charles Sadron, CNRS UPR22-University of Strasbourg, 67084 Cedex 2 Strasbourg, France; (I.B.D.); (S.A.); (L.J.)
- Correspondence:
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5
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Cibinel M, Pugliese G, Porrelli D, Marsich L, Lughi V. Recycling alginate composites for thermal insulation. Carbohydr Polym 2021; 251:116995. [PMID: 33142565 DOI: 10.1016/j.carbpol.2020.116995] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 08/17/2020] [Accepted: 08/22/2020] [Indexed: 11/15/2022]
Abstract
We present a new method for the total functional recycling of alginate-based composite materials made via ionotropic gelation. The original material, an alginate/fiberglass foam with thermal insulation characteristics, was produced following a patented process in which fiberglass waste is embedded into the polyanionic gel matrix, and the resulting compound is then freeze-dried. The functional recycling is carried out by disassembling the ionic matrix - which is initially formed by the interaction between a cation (e.g. calcium) and the negatively charged alginate backbone - with the use of a chelator (Ethylenediaminetetraacetic acid disodium salt) with a high affinity for the cations, thus obtaining a homogeneous solution. An ionotropic gel can then be re-formed upon deactivation of the chelating activity under mild acid conditions. We managed to maintain or improve the thermal, mechanical and acoustic performances of the original material and we successfully tested the possibility of multiple recycling cycles.
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Affiliation(s)
- Matteo Cibinel
- Department of Engineering and Architecture, University of Trieste, Via Valerio 6/1, 34127, Trieste, Italy.
| | - Giorgia Pugliese
- Department of Engineering and Architecture, University of Trieste, Via Valerio 6/1, 34127, Trieste, Italy
| | - Davide Porrelli
- Department of Medicine, Surgery and Health Sciences, University of Trieste, Piazza dell'Ospitale 1, 34125, Italy
| | - Lucia Marsich
- Department of Engineering and Architecture, University of Trieste, Via Valerio 6/1, 34127, Trieste, Italy
| | - Vanni Lughi
- Department of Engineering and Architecture, University of Trieste, Via Valerio 6/1, 34127, Trieste, Italy
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Vincent T, Vincent C, Dumazert L, Otazaghine B, Sonnier R, Guibal E. Fire behavior of innovative alginate foams. Carbohydr Polym 2020; 250:116910. [PMID: 33049885 DOI: 10.1016/j.carbpol.2020.116910] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 07/28/2020] [Accepted: 08/04/2020] [Indexed: 12/23/2022]
Abstract
A new biosourced composite foam (AF, associating foamed alginate matrix and orange peel filler) is successfully tested for fire-retardant properties. This material having similar thermal insulating properties and density than fire-retardant polyurethane foam (FR-PUF, a commercial product) shows promising enhanced properties for flame retardancy, as assessed by different methods such as thermogravimetric analysis (TGA), pyrolysis combustion flow calorimetry (PCFC) and a newly designed apparatus called RAPACES for investigating large-scale samples. All these methods confirm the promising properties of this alternative material in terms of fire protection (pHRR, THR, EHC, time-to-ignition, flame duration or production of residue), especially for heat flux not exceeding 50 kW m-2. At higher heat flux (i.e., 75 kW m-2), flame retardant properties tend to decrease but maintain at a higher level than FR-PUF. The investigation of the effect of AF thickness shows that the critical thickness (CT) is close to 1.5-1.7 cm: heat diffusion and material combustion are limited to the CT layer that protects the underlying layers from combustion. A multiplicity of factors can explain this behavior, such as: (a) negligible heat conduction, (b) low heat of combustion, (c) charring formation, and (d) water release. Water being released from underlying layers, dilutes the gases emitted during the combustion of superficial layers and promotes the flame extinction.
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Affiliation(s)
- Thierry Vincent
- IMT - Mines Ales, Polymers Hybrids and Composites (PCH), 6 Avenue De Clavières, F-30319 Alès Cedex, France
| | - Chloë Vincent
- IMT - Mines Ales, Polymers Hybrids and Composites (PCH), 6 Avenue De Clavières, F-30319 Alès Cedex, France
| | - Loïc Dumazert
- IMT - Mines Ales, Polymers Hybrids and Composites (PCH), 6 Avenue De Clavières, F-30319 Alès Cedex, France
| | - Belkacem Otazaghine
- IMT - Mines Ales, Polymers Hybrids and Composites (PCH), 6 Avenue De Clavières, F-30319 Alès Cedex, France
| | - Rodolphe Sonnier
- IMT - Mines Ales, Polymers Hybrids and Composites (PCH), 6 Avenue De Clavières, F-30319 Alès Cedex, France
| | - Eric Guibal
- IMT - Mines Ales, Polymers Hybrids and Composites (PCH), 6 Avenue De Clavières, F-30319 Alès Cedex, France.
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Frazier SD, Aday AN, Srubar WV. On-Demand Microwave-Assisted Fabrication of Gelatin Foams. Molecules 2018; 23:molecules23051121. [PMID: 29747398 PMCID: PMC6100080 DOI: 10.3390/molecules23051121] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Revised: 05/01/2018] [Accepted: 05/02/2018] [Indexed: 01/15/2023] Open
Abstract
Ultraporous gelatin foams (porosity >94%, ρ ≈ 0.039–0.056 g/cm3) have been fabricated via microwave radiation. The resulting foam structures are unique with regard to pore morphology (i.e., closed-cell) and exhibit 100% macroporosity (pore size 332 to 1700 μm), presence of an external skin, and densities similar to aerogels. Results indicate that the primary foaming mechanism is governed by the vaporization of water that is tightly bound in secondary structures (i.e., helices, β-turns, β-sheets) that are present in dehydrated gelatin films but not present in the foams after microwave radiation (700 Watts).
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Affiliation(s)
- Shane D Frazier
- Materials Science and Engineering Program, University of Colorado Boulder, Boulder, CO 80309, USA.
| | - Anastasia N Aday
- Materials Science and Engineering Program, University of Colorado Boulder, Boulder, CO 80309, USA.
| | - Wil V Srubar
- Materials Science and Engineering Program, University of Colorado Boulder, Boulder, CO 80309, USA.
- Department of Civil, Environmental, and Architectural Engineering, University of Colorado Boulder, Boulder, CO 80309, USA.
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