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Su Z, Yu L, Cui L, Zhou G, Zhang X, Qiu X, Chen C, Wang X. Reconstruction of Cellulose Intermolecular Interactions from Hydrogen Bonds to Dynamic Covalent Networks Enables a Thermo-processable Cellulosic Plastic with Tunable Strength and Toughness. ACS NANO 2023; 17:21420-21431. [PMID: 37922190 DOI: 10.1021/acsnano.3c06175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/05/2023]
Abstract
Its excellent renewability and biodegradability make cellulose an attractive resource to prepare fossil-based plastic alternatives. However, cellulose itself exhibits strong intermolecular hydrogen bond (H-bond) interactions, significantly restricting the mobility of cellulose chains, thus leading to poor thermo-processing performance. Here, we reconstructed the intermolecular interactions of cellulose chains via replacing the original H-bonds with dynamic covalent bonds. By this, cellulose can be easily thermo-processed into a cellulosic plastic under mild conditions (70 °C). Through adjusting the chemical structure of dynamic covalent networks, the cellulosic plastic shows tunable mechanical strength (3.0-33.5 MPa) and toughness (43-321 kJ m-2). The cellulosic plastic also exhibits excellent resistance to water, organic solvent, acid solution, alkali solution, and high temperature (>400 °C). Moreover, it owns good chemical and biological degradability and recyclability. This work provides an effective method to develop high-performance cellulosic plastics for fossil-based plastic substitution.
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Affiliation(s)
- Zhiping Su
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510641, China
- Wood Industry and Furniture Engineering Key Laboratory of Sichuan Provincial Department of Education, College of Forestry, Sichuan Agricultural University, Chengdu 611130, China
| | - Le Yu
- Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, School of Resource and Environmental Sciences, Wuhan University, Wuhan 430079, China
| | - Lan Cui
- Wood Industry and Furniture Engineering Key Laboratory of Sichuan Provincial Department of Education, College of Forestry, Sichuan Agricultural University, Chengdu 611130, China
| | - Guowen Zhou
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510641, China
| | - Xiaoqian Zhang
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510641, China
| | - Xueqing Qiu
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China
| | - Chaoji Chen
- Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, School of Resource and Environmental Sciences, Wuhan University, Wuhan 430079, China
| | - Xiaohui Wang
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510641, China
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D'Acierno F, Capron I. Modulation of surface properties of cellulose nanocrystals through adsorption of tannic acid and alkyl cellulose derivatives. Carbohydr Polym 2023; 319:121159. [PMID: 37567688 DOI: 10.1016/j.carbpol.2023.121159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 06/26/2023] [Indexed: 08/13/2023]
Abstract
Cellulose nanocrystals (CNCs) are hydrophilic nanoparticles that cannot be dispersed in non-polar solvents or hydrophobic polymer matrices. Here, we demonstrate the tunable modification of CNC surfaces by physical adsorption of tannic acid (TA) and two alkyl cellulose derivatives (ACDs), methyl cellulose (MC) and ethyl cellulose (EC), while maintaining their sustainable nature. We compare the impact of ACD adsorption when mixed with CNCs to CNCs precoated with tannic acid (CNC@TA), varying ACD weight fractions in CNC suspensions. Our results show that CNC@ACD and CNC@TA@ACD aqueous suspensions display good colloidal stability in water, while their surface properties are altered. We use a wide range of analytical techniques to characterize these suspensions, with a focus on their interaction with water. The two selected ACDs adsorb on both CNCs and CNC@TA at low fractions (ACD ≤ 10 % w/w), followed by an intermediate region of saturation between 10 % and 30 % w/w. At fractions above 30 % w/w, we observe the formation of CNC- or CNC@TA-reinforced ACD composites. Most samples can be redispersed in water upon freeze-drying, except for EC-rich samples redispersible in toluene. Our facile method for preparing ACD-coated CNCs allows for the creation of a range of nanomaterials with modulable wetting and emulsification properties.
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Affiliation(s)
- Francesco D'Acierno
- UR1268 Biopolymères Interactions Assemblages, INRAE, F-44316 Nantes, France.
| | - Isabelle Capron
- UR1268 Biopolymères Interactions Assemblages, INRAE, F-44316 Nantes, France.
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Aurelio RH, Mextlisol CVS, Páramo-Calderón DE, Acevedo-Gómez R, Gerardo GG, Nolasco-Hipolito C, Eduardo BGJ, Carlos CAJ, Alejandro AS. Functionality and characterization of modified starch films with pineapple leaf fibers. Int J Biol Macromol 2023; 246:125611. [PMID: 37406918 DOI: 10.1016/j.ijbiomac.2023.125611] [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] [Received: 03/29/2023] [Revised: 06/23/2023] [Accepted: 06/27/2023] [Indexed: 07/07/2023]
Abstract
The objective of this work was to modify banana starch with pineapple leaf fibers (PALF) and its production of biodegradable films. The reaction conditions of the starch modification were a Starch/PALF mass ratio of 50, a time of 1 h and a temperature of 140 °C, to obtain a yield of 41.18 %. Characterization by FTIR and NMR confirmed that the chemical reaction was carried out. XRD and TGA analysis showed that the crystalline zones of the starch were affected during the modification and the product obtained is thermally less stable compared to unmodified starch. The modified starch showed a lower pasting profile compared to the native starch; however, the modified starch showed the ability to form a film. The starch-PALF films were obtained by the casting method and partially characterized. These films presented better mechanical properties compared to the unmodified films. Also, these films could compete with conventional non-biodegradable plastics.
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Affiliation(s)
- Ramírez-Hernández Aurelio
- Centro de Investigaciones Científicas, Instituto de Química Aplicada, Universidad del Papaloapan, Circuito Central 200 Parque Industrial, San Juan Bautista Tuxtepec, Oaxaca, Mexico
| | - Cruz-Valencia Shardey Mextlisol
- Centro de Investigaciones Científicas, Instituto de Química Aplicada, Universidad del Papaloapan, Circuito Central 200 Parque Industrial, San Juan Bautista Tuxtepec, Oaxaca, Mexico
| | - Delia E Páramo-Calderón
- Ingeniería en alimentos, Universidad del Papaloapan, Circuito Central 200 Parque Industrial, San Juan Bautista Tuxtepec, Oaxaca, Mexico
| | - Ricardo Acevedo-Gómez
- Centro de Investigaciones Científicas, Instituto de Química Aplicada, Universidad del Papaloapan, Circuito Central 200 Parque Industrial, San Juan Bautista Tuxtepec, Oaxaca, Mexico
| | - González-García Gerardo
- Universidad de Guanajuato, División de Ciencias Exactas Departamento de Química, Noria Alta S/N; C.P. 36050. Guanajuato, Guanajuato, Mexico
| | - Cirilo Nolasco-Hipolito
- Centro de Investigaciones Científicas, Instituto de Biotecnología, Universidad del Papaloapan, Circuito Central 200 Parque Industrial, San Juan Bautista Tuxtepec, Oaxaca, Mexico
| | - Báez-García José Eduardo
- Universidad de Guanajuato, División de Ciencias Exactas Departamento de Química, Noria Alta S/N; C.P. 36050. Guanajuato, Guanajuato, Mexico
| | - Conde-Acevedo Jorge Carlos
- Centro de Investigaciones Científicas, Instituto de Química Aplicada, Universidad del Papaloapan, Circuito Central 200 Parque Industrial, San Juan Bautista Tuxtepec, Oaxaca, Mexico.
| | - Aparicio-Saguilán Alejandro
- Ingeniería en alimentos, Universidad del Papaloapan, Circuito Central 200 Parque Industrial, San Juan Bautista Tuxtepec, Oaxaca, Mexico.
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Naserifar S, Kuijpers PF, Wojno S, Kádár R, Bernin D, Hasani M. In situ monitoring of cellulose etherification in solution: probing the impact of solvent composition on the synthesis of 3-allyloxy-2-hydroxypropyl-cellulose in aqueous hydroxide systems. Polym Chem 2022. [DOI: 10.1039/d2py00231k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Cellulose etherification can be affected by tuning the solvent composition as indicated by monitoring the reaction using in situ IR spectroscopy and rheology measurements together with NMR characterisation.
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Affiliation(s)
- Shirin Naserifar
- Department of Chemistry and Chemical Engineering, Chalmers University of Technology, 412 96 Gothenburg, Sweden
- Wallenberg Wood Science Center, Chalmers University of technology, 412 96 Gothenburg, Sweden
| | | | - Sylwia Wojno
- Wallenberg Wood Science Center, Chalmers University of technology, 412 96 Gothenburg, Sweden
- Department of Industrial and Materials Science, Chalmers University of Technology, 412 96 Gothenburg, Sweden
| | - Roland Kádár
- Wallenberg Wood Science Center, Chalmers University of technology, 412 96 Gothenburg, Sweden
- Department of Industrial and Materials Science, Chalmers University of Technology, 412 96 Gothenburg, Sweden
| | - Diana Bernin
- Department of Chemistry and Chemical Engineering, Chalmers University of Technology, 412 96 Gothenburg, Sweden
| | - Merima Hasani
- Department of Chemistry and Chemical Engineering, Chalmers University of Technology, 412 96 Gothenburg, Sweden
- Wallenberg Wood Science Center, Chalmers University of technology, 412 96 Gothenburg, Sweden
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Elucidation of substituent distribution states for carboxymethyl chitosan by detailed NMR analysis. CARBOHYDRATE POLYMER TECHNOLOGIES AND APPLICATIONS 2021. [DOI: 10.1016/j.carpta.2021.100175] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
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