1
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Sayadi S, Brouillette F. Silylation of phosphorylated cellulosic fibers with an aminosilane. Carbohydr Polym 2024; 343:122500. [PMID: 39174145 DOI: 10.1016/j.carbpol.2024.122500] [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: 05/17/2024] [Revised: 07/14/2024] [Accepted: 07/15/2024] [Indexed: 08/24/2024]
Abstract
In this work, phosphorylated cellulosic fibers were functionalized with an aminosilane ((3-aminopropyl)triethoxysilane, APTES) using a simple and economical method. Several characterization were performed to determine the types of bonds between phosphorylated fibers and grafted APTES. The thermal behavior, hydrophobicity and surface charge variation as a function of pH of the multifunctional cellulose fibers were determined. Results demonstrate that APTES should proceed through Si-O-C, and possibly Si-O-P, covalent bonds with cellulose although the dimerization of silane through Si-O-Si bonds has also been observed. The terminal amino groups are expected to be partially involved in hydrogen bonds with phosphate hydroxyl groups found at phosphorylated cellulose fiber surface, causing a pulling in the configuration of the grafted APTES. The two chemical modifications proposed in this work do not significantly modify the morphology of cellulose fibers. XRD analysis also shows that the crystal structure of the phosphorylated fibers did not change after functionalization with APTES. The silylated phosphorylated fibers show potential flame-retardant properties with improved hydrophobicity. Furthermore, the functionalization of phosphorylated fibers with APTES changes the pH of zero charge point from 3.2 to 9.4 and providing a zwitterionic structure suitable for the simultaneous adsorption of both cationic and anionic species.
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Affiliation(s)
- Sabrine Sayadi
- Université du Québec à Montréal, Department of Chemistry, 2101 Jeanne-Mance St., Montréal, Québec H2X 2J6, Canada; Innovations Institute in Ecomaterials, Ecoproducts, and Ecoenergies (I2E3), Université du Québec à Trois-Rivières (UQTR), 3351 des Forges Blvd., Trois-Rivières, Québec G8Z 4M3, Canada
| | - François Brouillette
- Innovations Institute in Ecomaterials, Ecoproducts, and Ecoenergies (I2E3), Université du Québec à Trois-Rivières (UQTR), 3351 des Forges Blvd., Trois-Rivières, Québec G8Z 4M3, Canada.
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2
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El Bourakadi K, Semlali FZ, Hammi M, El Achaby M. A review on natural cellulose fiber applications: Empowering industry with sustainable solutions. Int J Biol Macromol 2024:135773. [PMID: 39349335 DOI: 10.1016/j.ijbiomac.2024.135773] [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: 06/19/2024] [Revised: 09/06/2024] [Accepted: 09/17/2024] [Indexed: 10/02/2024]
Abstract
Cellulose fiber, a prevalent natural biopolymer, offers numerous benefits including renewability and biodegradability. It presents a cost-effective, chemical-free alternative for various applications such as textiles, packaging, food preservation, wastewater treatment, medicine, and cosmetics. Recent research has focused on cellulose's potential in advanced polymeric materials, highlighting its versatility and sustainability. This review examines cellulose fibers' synthesis, structure, and properties, as well as their industrial applications in sectors like automotive, packaging, textiles, construction, and biomedical engineering. It also addresses challenges in large-scale production, processing, and sustainability, providing insights for optimizing cellulose fiber use. The review serves as a comprehensive guide for leveraging cellulose fiber's potential in industrial applications.
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Affiliation(s)
| | - Fatima-Zahra Semlali
- Materials Science, Energy and Nanoengineering Department (MSN), Mohammed VI Polytechnic University (UM6P), Lot 660 - Hay Moulay Rachid, 43150 Ben Guerir, Morocco
| | - Maryama Hammi
- Mohammed V-Rabat University, Faculty of Sciences, Rabat, Morocco.
| | - Mounir El Achaby
- Materials Science, Energy and Nanoengineering Department (MSN), Mohammed VI Polytechnic University (UM6P), Lot 660 - Hay Moulay Rachid, 43150 Ben Guerir, Morocco
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3
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Medarević D, Čežek M, Knežević A, Turković E, Barudžija T, Samardžić S, Maksimović Z. From Field to Pharmacy: Isolation, Characterization and Tableting Behaviour of Microcrystalline Cellulose from Wheat and Corn Harvest Residues. Pharmaceutics 2024; 16:1090. [PMID: 39204435 PMCID: PMC11359045 DOI: 10.3390/pharmaceutics16081090] [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: 07/21/2024] [Revised: 08/12/2024] [Accepted: 08/13/2024] [Indexed: 09/04/2024] Open
Abstract
A lack of strategies for the utilization of harvest residues (HRs) has led to serious environmental problems due to an accumulation of these residues or their burning in the field. In this study, wheat and corn HRs were used as feedstock for the production of microcrystalline cellulose (MCC) by treatment with 2-8% sodium hydroxide, 10% hydrogen peroxide and further hydrolysis with 1-2 M hydrochloric acid. The changes in the FT-IR spectra and PXRD diffractograms after chemical treatment confirmed the removal of most of the lignin, hemicellulose and amorphous fraction of cellulose. A higher degree of crystallinity was observed for MCC obtained from corn HRs, which was attributed to a more efficient removal of lignin and hemicellulose by a higher sodium hydroxide concentration, which facilitates the dissolution of amorphous cellulose during acid hydrolysis. MCC obtained from HRs exhibited lower bulk density and poorer flow properties but similar or better tableting properties compared to commercial MCC (CeolusTM PH101). The lower ejection and detachment stress suggests that MCC isolated from HRs requires less lubricant compared to commercial MCC. This study showed that MCC isolated from wheat and corn HRs exhibits comparable tableting behaviour like commercial sample, further supporting this type of agricultural waste utilization.
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Affiliation(s)
- Djordje Medarević
- Department of Pharmaceutical Technology and Cosmetology, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11221 Belgrade, Serbia
| | - Maša Čežek
- Department of Pharmaceutical Technology and Cosmetology, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11221 Belgrade, Serbia
| | - Aleksandar Knežević
- Faculty of Biology, University of Belgrade, Studentski Trg 16, 11000 Belgrade, Serbia;
| | - Erna Turković
- Department of Pharmaceutical Technology and Cosmetology, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11221 Belgrade, Serbia
| | - Tanja Barudžija
- Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, University of Belgrade, Mike Petrovića Alasa 12–14, 11351 Belgrade, Serbia
| | - Stevan Samardžić
- Department of Pharmacognosy, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11221 Belgrade, Serbia
| | - Zoran Maksimović
- Department of Pharmacognosy, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11221 Belgrade, Serbia
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4
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Solomakha O, Stepanova M, Dobrodumov A, Gofman I, Nashchekina Y, Nashchekin A, Korzhikova-Vlakh E. Chemical Modification of Nanocrystalline Cellulose for Manufacturing of Osteoconductive Composite Materials. Polymers (Basel) 2024; 16:1936. [PMID: 39000790 PMCID: PMC11244019 DOI: 10.3390/polym16131936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2024] [Revised: 06/25/2024] [Accepted: 07/04/2024] [Indexed: 07/17/2024] Open
Abstract
Cellulose is one of the main renewable polymers whose properties are very attractive in many fields, including biomedical applications. The modification of nanocrystalline cellulose (NCC) opens up the possibility of creating nanomaterials with properties of interest as well as combining them with other biomedical polymers. In this work, we proposed the covalent modification of NCC with amphiphilic polyanions such as modified heparin (Hep) and poly(αL-glutamic acid) (PGlu). The modification of NCC should overcome two drawbacks in the production of composite materials based on poly(ε-caprolactone) (PCL), namely, (1) to improve the distribution of modified NCC in the PCL matrix, and (2) to provide the composite material with osteoconductive properties. The obtained specimens of modified NCC were characterized by Fourier-transform infrared spectroscopy and solid-state 13C nuclear magnetic resonance spectroscopy, dynamic and electrophoretic light scattering, as well as thermogravimetric analysis. The morphology of PCL-based composites containing neat or modified NCC as filler was studied by optical and scanning electron microscopy. The mechanical properties of the obtained composites were examined in tensile tests. The homogeneity of filler distribution as well as the mechanical properties of the composites depended on the method of NCC modification and the amount of attached polyanion. In vitro biological evaluation showed improved adhesion of human fetal mesenchymal stem cells (FetMSCs) and human osteoblast-like cells (MG-63 osteosarcoma cell line) to PCL-based composites filled with NCC bearing Hep or PGlu derivatives compared to pure PCL. Furthermore, these composites demonstrated the osteoconductive properties in the experiment on the osteogenic differentiation of FetMSCs.
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Affiliation(s)
- Olga Solomakha
- Institute of Macromolecular Compounds, Russian Academy of Sciences, St. Petersburg 199004, Russia
| | - Mariia Stepanova
- Institute of Macromolecular Compounds, Russian Academy of Sciences, St. Petersburg 199004, Russia
| | - Anatoliy Dobrodumov
- Institute of Macromolecular Compounds, Russian Academy of Sciences, St. Petersburg 199004, Russia
| | - Iosif Gofman
- Institute of Macromolecular Compounds, Russian Academy of Sciences, St. Petersburg 199004, Russia
| | - Yulia Nashchekina
- Institute of Cytology, Russian Academy of Sciences, St. Petersburg 194064, Russia
| | | | - Evgenia Korzhikova-Vlakh
- Institute of Macromolecular Compounds, Russian Academy of Sciences, St. Petersburg 199004, Russia
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Li H, Bai J, Chen Y, Du C, Chen M, Wang J. Achieving Cross Time-Domain Multiplexed Signal Cascade and Cancer Exosomes Identification by Bridging Long Lifetime Phosphor to NIR-II Lanthanide Energy Transfer. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2309955. [PMID: 38415899 DOI: 10.1002/smll.202309955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 02/03/2024] [Indexed: 02/29/2024]
Abstract
Designing lanthanide luminescence lifetime sensors in the second near-infrared (NIR-II) window holds great potentials for physiological studies. However, the single lifetime signal is confined to one or two orders of magnitude of signal variation, which limits the sensitivity of lifetime probes. In this study, a lifetime cascade system, i.e., ZGO:Mn, Eu-DNA-1/TCPP-PEI70K@Yb-AptEpCAM, with a variety of signals (τm, τn, τµ, τm/τn and τm/τµ) is constructed for exosome identification using time-domain multiplexing. The sensitized ligand TCPP acts as both target-modulated switch and a bridge for connecting long lifetime ZGO:Mn, Eu-DNA-1 emitter to lanthanide Yb3+. This drives successive dual-path energy transfer and forms two D(donor)-A(acceptor) pairs. The lifetime variation is dominantly modulated by arranging TCPP as energy intermediate relay to covert milliseconds to nanoseconds to microseconds. It enables a broad lifetime range of six orders of magnitude. The presence of exosome specifically recognizes aptamers on TCPP-PEI70K@Yb-AptEpCAM to impede D-A pairs and reverse multiplexed response signals of the lifetime cascade system. The ratio lifetime signals τm/τn and τm/τµ achieve prominent exosome quantification and exosome type differentiation attributed to signal amplification. The cascade system relying on lifetime criteria can realize precise quantization and provide an effective strategy for subsequent physiological study.
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Affiliation(s)
- Haiyan Li
- Research Center for Analytical Sciences, Department of Chemistry, College of Sciences, Northeastern University, Shenyang, 110819, China
| | - Junjie Bai
- Research Center for Analytical Sciences, Department of Chemistry, College of Sciences, Northeastern University, Shenyang, 110819, China
| | - Yafei Chen
- Research Center for Analytical Sciences, Department of Chemistry, College of Sciences, Northeastern University, Shenyang, 110819, China
| | - Cheng Du
- Department of Oncology, General Hospital of Northern Theater Command, Shenyang, 110819, China
| | - Mingli Chen
- Research Center for Analytical Sciences, Department of Chemistry, College of Sciences, Northeastern University, Shenyang, 110819, China
- Analytical and Testing Center, Northeastern University, Shenyang, 110819, China
| | - Jianhua Wang
- Research Center for Analytical Sciences, Department of Chemistry, College of Sciences, Northeastern University, Shenyang, 110819, China
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6
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Rai R, Ranjan R, Kant C, Dhar P. Microplastic and adhesive free, multifunctional, circular economy approach-based biomass-derived drinking straws. iScience 2024; 27:109630. [PMID: 38628968 PMCID: PMC11019268 DOI: 10.1016/j.isci.2024.109630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 02/05/2024] [Accepted: 03/26/2024] [Indexed: 04/19/2024] Open
Abstract
Generation of voluminous single-use plastic waste and byproducts from agricultural harvests such as rice straws (RSs) are major global challenges due to their disposal issues, contributing to greenhouse gas emissions, and affecting the ecological system with threats to human health. A scalable, low-cost, and eco-friendly strategy for fabricating cellulose-silica-based drinking straws, free from microplastics and adhesive, through strategic valorization of RS is reported. Functionalization by delignification-cum-crosslinking of RS leads to development of straws with high water stability (∼5 days), solvothermal stability (0°C-95°C), tensile strength (128 MPa), low migration values (<60 mg/kg), improved biodegradability (∼126 days) with reduced wettability and hydrophobicity. RS drinking straws show antibacterial, self-cleaning, self-healing, anti-fizzing, reusable, and generate significantly lower carbon footprint (<99.8% and <53.34% global warming potential than metal and polylactic acid straws). Repurposing of agro-wastes from farms to commercially viable drinking straws which biodegrades after its consumption achieves the goal of circular economy and sustainable development.
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Affiliation(s)
- Rohit Rai
- School of Biochemical Engineering, Indian Institute of Technology (BHU), Varanasi 221005, Uttar Pradesh, India
| | - Rahul Ranjan
- School of Biochemical Engineering, Indian Institute of Technology (BHU), Varanasi 221005, Uttar Pradesh, India
| | - Chandra Kant
- Department of Chemical Engineering and Technology, Indian Institute of Technology (BHU), Varanasi 221005, Uttar Pradesh, India
| | - Prodyut Dhar
- School of Biochemical Engineering, Indian Institute of Technology (BHU), Varanasi 221005, Uttar Pradesh, India
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7
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Yin L, Gao K, Mao X, Hu Y. Lipase B from Candida antarctica immobilized on amphiphilic Janus halloysite nanosheet and application in biphasic interface conversion. Food Chem 2024; 437:137787. [PMID: 37897826 DOI: 10.1016/j.foodchem.2023.137787] [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: 07/31/2023] [Revised: 09/24/2023] [Accepted: 10/15/2023] [Indexed: 10/30/2023]
Abstract
Lipase B from Candida antarctica (CALB) plays a prominent role as a biocatalyst in several industries, especially for biphasic conversion of functional lipids. Herein, an amphiphilic Janus halloysite nanosheet (JHNS) was fabricated and employed simultaneously as a solid surfactant for stabilizing Pickering emulsion and as a carrier for immobilizing CALB, with the aim to realize highly efficient biphasic bioconversion. The obtained JHNS could stabilize Pickering emulsion for at least 7 days. Immobilization of CALB on JHNS improved the substrate affinity, catalytic efficiency, thermal stability, and alkaline tolerance of the enzyme. Moreover, JHNS-based immobilized CALB was exploited as a biocatalytic platform for the conversion of retinyl acetate, with almost twice increase in conversion efficiency. Taken together, the JHNS-based immobilized CALB paves the way for the design of efficient biphasic conversion system for the production of added-value lipids.
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Affiliation(s)
- Lili Yin
- Qingdao Key Laboratory of Food Biotechnology, College of Food Science and Engineering, Ocean University of China, Qingdao 266404, PR China; Key Laboratory of Biological Processing of Aquatic Products, China National Light Industry, Qingdao 266404, PR China
| | - Kunpeng Gao
- Qingdao Key Laboratory of Food Biotechnology, College of Food Science and Engineering, Ocean University of China, Qingdao 266404, PR China; Key Laboratory of Biological Processing of Aquatic Products, China National Light Industry, Qingdao 266404, PR China
| | - Xiangzhao Mao
- Qingdao Key Laboratory of Food Biotechnology, College of Food Science and Engineering, Ocean University of China, Qingdao 266404, PR China; Key Laboratory of Biological Processing of Aquatic Products, China National Light Industry, Qingdao 266404, PR China; Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, PR China
| | - Yang Hu
- Qingdao Key Laboratory of Food Biotechnology, College of Food Science and Engineering, Ocean University of China, Qingdao 266404, PR China; Key Laboratory of Biological Processing of Aquatic Products, China National Light Industry, Qingdao 266404, PR China.
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8
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Obeid AT, Nascimento TRDL, Agassi AC, Almeida AZF, Guedes APDMA, Alves JM, Bombonatti JFS, Velo MMDAC. Niobium oxyhydroxide as a bioactive agent and reinforcement to a high-viscosity bulk-fill resin composite. J Appl Oral Sci 2024; 32:e20230278. [PMID: 38537028 PMCID: PMC11018299 DOI: 10.1590/1678-7757-2023-0278] [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: 08/23/2023] [Revised: 12/10/2023] [Accepted: 01/17/2024] [Indexed: 04/17/2024] Open
Abstract
OBJECTIVE The present in vitro study incorporated niobium oxyhydroxide fillers into an experimental high-viscosity bulk-fill resin composite to improve its mechanical performance and provide it a bioactive potential. METHODOLOGY Scanning electron microscopy synthesized and characterized 0.5% niobium oxyhydroxide fillers, demonstrating a homogeneous morphology that represented a reinforcement for the feature. Fillers were weighed, gradually added to the experimental resin composite, and homogenized for one minute, forming three groups: BF (experimental high-viscosity bulk-fill resin composite; control), BF0.5 (experimental high-viscosity bulk-fill resin composite modified with 0.5% niobium oxyhydroxide fillers), and BFC (commercial bulk-fill resin composite Beautifil Bulk U, Shofu; positive control). In total, 10 specimens/groups (8 × 2 × 2 mm) underwent flexural strength (FS) tests in a universal testing machine (Instron) (500N). Resin composites were also assessed for Knoop hardness (KH), depth of cure (DoC), degree of conversion (DC), elastic modulus (E), and degree of color change (ΔE). The bioactive potential of the developed resin composite was evaluated after immersing the specimens into a simulated body fluid in vitro solution and assessing them using a Fourier-transformed infrared spectroscope with an attenuated total reflectance accessory. One-way ANOVA, followed by the Tukey's test (p<0.05), determined FS, DC, KH, and ΔE. For DoC, ANOVA was performed, which demonstrated no significant difference between groups (p<0.05). CONCLUSIONS The high-viscosity bulk-fill resin composite with 0.5% niobium oxyhydroxide fillers showed promising outcomes as reinforcement agents and performed well for bioactive potential, although less predictable than the commercial resin composite with Giomer technology.
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Affiliation(s)
- Alyssa Teixeira Obeid
- Universidade de São Paulo, Faculdade de Odontologia de Bauru, Departamento de Dentística, Endodontia e Materiais odontológicos, Bauru, Brasil
| | - Tatiana Rita de Lima Nascimento
- Universidade Federal da Paraíba, Cidade Universitária, Departamento de Química, Centro de Pesquisa de Combustíveis e Materiais (NPE-LACOM), João Pessoa, Brasil
| | - Ana Carolina Agassi
- Universidade de São Paulo, Faculdade de Odontologia de Bauru, Departamento de Dentística, Endodontia e Materiais odontológicos, Bauru, Brasil
| | - Ana Zélia Falcão Almeida
- Universidade Federal da Paraíba, Cidade Universitária, Departamento de Química, Centro de Pesquisa de Combustíveis e Materiais (NPE-LACOM), João Pessoa, Brasil
| | - Ana Paula de Melo Alves Guedes
- Universidade Federal da Paraíba, Cidade Universitária, Departamento de Química, Centro de Pesquisa de Combustíveis e Materiais (NPE-LACOM), João Pessoa, Brasil
| | - João Marco Alves
- Universidade de São Paulo, Faculdade de Odontologia de Bauru, Departamento de Dentística, Endodontia e Materiais odontológicos, Bauru, Brasil
| | - Juliana Fraga Soares Bombonatti
- Universidade de São Paulo, Faculdade de Odontologia de Bauru, Departamento de Dentística, Endodontia e Materiais odontológicos, Bauru, Brasil
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Negi A, Tehrani-Bagha AR. Cellulose Functionalization Using N-Heterocyclic-Based Leaving Group Chemistry. Polymers (Basel) 2024; 16:149. [PMID: 38201814 PMCID: PMC10780667 DOI: 10.3390/polym16010149] [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: 10/31/2023] [Revised: 12/24/2023] [Accepted: 12/29/2023] [Indexed: 01/12/2024] Open
Abstract
There has been continuous interest in developing novel activators that facilitate the functionalization of cellulosic materials. In this paper, we developed a strategy in which trisubstituted triazinium salts act as cellulose preactivators. As leaving groups, these triazinium salts utilize N-heterocycles (pyridine, imidazole, and nicotinic acid). Initially, we optimized the synthetic route for developing these novel cellulose preactivators (triazinium salts), whose structures were confirmed using NMR spectroscopy. The surface zeta potential of cellulose changed from a negative value to a positive one after preactivation due to the cationic nature of these preactivators. To enhance the scope of the study, we functionalized the cellulose-preactivated materials with a series of amine- or hydroxy-containing aliphatic and aromatic hydrocarbons, nucleophilic amino acids (cysteine), colorants (2-aminoanthraquinone and 2-amino-3-methyl-anthraquinone), and biopolymer (zein protein). The treated samples were analyzed using FTIR, time-gated Raman spectroscopy, and reflection spectroscopy, and the success of the functionalization process was validated. To widen the scope of such chemistries, we synthesized four reactive agents containing N-heterocyclic-based leaving groups (pyridine and nicotinic acid) and successfully functionalized cellulose with them in one step. The proposed single- and two-step functionalization approaches will provide opportunities for chemically linking various chemical compounds to cellulose for different applications.
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Affiliation(s)
| | - Ali R. Tehrani-Bagha
- Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, 02150 Espoo, Finland;
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Zhao Y, Zeng Q, Lai X, Li H, Zhao Y, Li K, Jiang C, Zeng X. Multifunctional cellulose-based aerogel for intelligent fire fighting. Carbohydr Polym 2023; 316:121060. [PMID: 37321743 DOI: 10.1016/j.carbpol.2023.121060] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 05/22/2023] [Accepted: 05/23/2023] [Indexed: 06/17/2023]
Abstract
Multifunctional biomass-based aerogels with mechanically robust and high fire safety are urgently needed for the development of environmentally-friendly intelligent fire fighting but challenging. Herein, a novel polymethylsilsesquioxane (PMSQ)/cellulose/MXene composite aerogel (PCM) with superior comprehensive performance was fabricated by ice-induced assembly and in-situ mineralization. It exhibited light weight (16.2 mg·cm-3), excellent mechanical resilience, and rapidly recovered after being subjected to the pressure of 9000 times of its own weight. Moreover, PCM demonstrated outstanding thermal insulation, hydrophobicity and sensitive piezoresistive sensing. In addition, benefiting from the synergism of PMSQ and MXene, PCM displayed good flame retardancy and improved thermostability. The limiting oxygen index of PCM was higher than 45.0 %, and it quickly self-extinguished after being removed away from fire. More importantly, the rapid electrical resistance reduction of MXene at high temperature endowed PCM with sensitive fire-warning capability (trigger time was less than 1.8 s), which provided valuable time for people to evacuate and relief. This work provides new insights for the preparation and application of the next-generation high performance biomass-based aerogels.
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Affiliation(s)
- Yinan Zhao
- School of Materials Science and Engineering, Key Lab of Guangdong Province for High Property and Functional Polymer Materials, South China University of Technology, No 381, Wushan Road, Tianhe District, Guangzhou 510640, China
| | - Qingtao Zeng
- School of Materials Science and Engineering, Key Lab of Guangdong Province for High Property and Functional Polymer Materials, South China University of Technology, No 381, Wushan Road, Tianhe District, Guangzhou 510640, China
| | - Xuejun Lai
- School of Materials Science and Engineering, Key Lab of Guangdong Province for High Property and Functional Polymer Materials, South China University of Technology, No 381, Wushan Road, Tianhe District, Guangzhou 510640, China.
| | - Hongqiang Li
- School of Materials Science and Engineering, Key Lab of Guangdong Province for High Property and Functional Polymer Materials, South China University of Technology, No 381, Wushan Road, Tianhe District, Guangzhou 510640, China
| | - Ying Zhao
- School of Materials Science and Engineering, Key Lab of Guangdong Province for High Property and Functional Polymer Materials, South China University of Technology, No 381, Wushan Road, Tianhe District, Guangzhou 510640, China
| | - Kunquan Li
- School of Materials Science and Engineering, Dongguan University of Technology, Dongguan 523808, Guangdong, China
| | - Changcheng Jiang
- School of Materials Science and Engineering, Key Lab of Guangdong Province for High Property and Functional Polymer Materials, South China University of Technology, No 381, Wushan Road, Tianhe District, Guangzhou 510640, China
| | - Xingrong Zeng
- School of Materials Science and Engineering, Key Lab of Guangdong Province for High Property and Functional Polymer Materials, South China University of Technology, No 381, Wushan Road, Tianhe District, Guangzhou 510640, China.
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11
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Wang Q, Chen X, Zeng S, Chen P, Xu Y, Nie W, Xia R, Zhou Y. In-situ polycondensate-coated cellulose nanofiber heterostructure for polylactic acid-based composites with superior mechanical and thermal properties. Int J Biol Macromol 2023; 240:124515. [PMID: 37085066 DOI: 10.1016/j.ijbiomac.2023.124515] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/31/2023] [Accepted: 04/15/2023] [Indexed: 04/23/2023]
Abstract
Renewable yet biodegradable natural fiber (e.g., cellulose nanofiber (CNF)) reinforced bio-based polymers (e.g., polylactic acid (PLA)) are being applied for the manufacture of clean packaging products. The interface incompatibility between hydrophilic CNF and hydrophobic PLA still restricts the promotion of high-performance bio-based products. Herein, a polycondensate-coated CNF hybrid, wherein silane, aluminate, and titanate coupling agent monomers were in-situ polymerized onto the CNF surface via dehydration self-condensation, was designed and further employed as strengthening/toughening nanofillers for fabricating the CNF-reinforced PLA composite. Results showed that the polycondensate coatings could efficiently promote the dispersion of CNFs and enhance interfacial compatibility between CNFs and PLA. Attributing to the synergistic effect of polycondensate coatings and CNFs, a considerable improvement in processing, mechanical and thermal properties was obtained in resultant CNF/PLA composites. With adding 2.5 wt% polycondensate-coated CNFs, the tensile strength, Young's modulus, and tensile toughness of CNF-reinforced PLA composites was raised by about 27 %, 51 % and 68 %, respectively; also, such composite possessed greater elasticity and higher melt strength than pure PLA. This study provides a novel interface control strategy to fabricate low-cost yet high-performance PLA-based composites for sustainable packaging application.
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Affiliation(s)
- Qiming Wang
- Anhui Province Key Laboratory of Environment-Friendly Polymer Materials, School of Chemistry & Chemical Engineering, Anhui University, Hefei 230601, China
| | - Xinyi Chen
- Anhui Province Key Laboratory of Environment-Friendly Polymer Materials, School of Chemistry & Chemical Engineering, Anhui University, Hefei 230601, China
| | - Shaohua Zeng
- Anhui Province Key Laboratory of Environment-Friendly Polymer Materials, School of Chemistry & Chemical Engineering, Anhui University, Hefei 230601, China.
| | - Pengpeng Chen
- Anhui Province Key Laboratory of Environment-Friendly Polymer Materials, School of Chemistry & Chemical Engineering, Anhui University, Hefei 230601, China
| | - Ying Xu
- Anhui Province Key Laboratory of Environment-Friendly Polymer Materials, School of Chemistry & Chemical Engineering, Anhui University, Hefei 230601, China
| | - Wangyan Nie
- Anhui Province Key Laboratory of Environment-Friendly Polymer Materials, School of Chemistry & Chemical Engineering, Anhui University, Hefei 230601, China
| | - Ru Xia
- Anhui Province Key Laboratory of Environment-Friendly Polymer Materials, School of Chemistry & Chemical Engineering, Anhui University, Hefei 230601, China
| | - Yifeng Zhou
- Anhui Province Key Laboratory of Environment-Friendly Polymer Materials, School of Chemistry & Chemical Engineering, Anhui University, Hefei 230601, China.
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12
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Boukeciat H, Tarchoun AF, Trache D, Abdelaziz A, Meziani R, Klapötke TM. Development and Characterization of New Energetic Composites Based on HNTO/AN Co-Crystal and Nitro-Cellulosic Materials. Polymers (Basel) 2023; 15:1799. [PMID: 37050413 PMCID: PMC10098761 DOI: 10.3390/polym15071799] [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: 02/28/2023] [Revised: 03/30/2023] [Accepted: 04/04/2023] [Indexed: 04/09/2023] Open
Abstract
To develop advanced cellulose-based energetic composites, new types of high-energy-density formulations containing hydrazine 3-nitro-1,2,4-triazol-5-one (HNTO)/ammonium nitrate (AN) cocrystals combined with nitrocellulose or nanostructured cellulose nitrate (NC and NMCC) were experimentally characterized. The prepared energetic formulations were analyzed in terms of their physicochemical properties, mechanical sensitivities, structural features, and thermal behavior. Their heats of combustion and theoretical energetic performance were assessed as well. Experimental results exhibited the inherent characteristics of the designed NC@HNTO/AN and NMCC@HNTO/AN, including improved density, specific impulse, and impact sensitivity compared to their raw compounds. Besides that, thermo-kinetic findings revealed that the as-prepared insensitive and high-energy-density composites undergo two exothermic decomposition processes, and that NC@HNTO/AN has higher thermal activity. The present study demonstrated the outstanding characteristics of the new composites and could serve as a reference for developing more advanced cellulose-based energetic formulations.
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Affiliation(s)
- Hani Boukeciat
- Energetic Materials Laboratory (EMLab), Teaching and Research Unit of Energetic Processes, Ecole Militaire Polytechnique, BP 17, Bordj El-Bahri, Algiers 16046, Algeria
| | - Ahmed Fouzi Tarchoun
- Energetic Materials Laboratory (EMLab), Teaching and Research Unit of Energetic Processes, Ecole Militaire Polytechnique, BP 17, Bordj El-Bahri, Algiers 16046, Algeria
- Energetic Propulsion Laboratory, Teaching and Research Unit of Energetic Processes, Ecole Militaire Polytechnique, BP 17, Bordj El-Bahri, Algiers 16046, Algeria
| | - Djalal Trache
- Energetic Materials Laboratory (EMLab), Teaching and Research Unit of Energetic Processes, Ecole Militaire Polytechnique, BP 17, Bordj El-Bahri, Algiers 16046, Algeria
| | - Amir Abdelaziz
- Energetic Materials Laboratory (EMLab), Teaching and Research Unit of Energetic Processes, Ecole Militaire Polytechnique, BP 17, Bordj El-Bahri, Algiers 16046, Algeria
| | - Redha Meziani
- Energetic Materials Laboratory (EMLab), Teaching and Research Unit of Energetic Processes, Ecole Militaire Polytechnique, BP 17, Bordj El-Bahri, Algiers 16046, Algeria
| | - Thomas M. Klapötke
- Department of Chemistry, Ludwig Maximilian University, Butenandtstrasse 5–13 (D), D-81377 Munich, Germany
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13
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Kerche EF, Kairytė A, Członka S, da Silva VD, Salles NA, Schrekker HS, Amico SC. Imidazolium Ionic Liquids as Compatibilizer Agents for Microcrystalline Cellulose/Epoxy Composites. Polymers (Basel) 2023; 15:polym15020333. [PMID: 36679214 PMCID: PMC9865422 DOI: 10.3390/polym15020333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 12/29/2022] [Accepted: 01/05/2023] [Indexed: 01/11/2023] Open
Abstract
Four imidazolium-based ionic liquids (IL; 1-butyl-3-methylimidazolium chloride, 1-carboxymethyl-3-methylimidazolium chloride, 1,3-dicarboxymethylimidazolium chloride and 1-(2-hydroxyethyl) -3-methylimidazolium chloride) were tested as compatibilizers of microcrystalline cellulose (MCC). Subsequently, ethanolic IL solutions were prepared; MCC was mixed, and the mixtures were left to evaporate the ethanol at ambient conditions. These modified MCC were characterized and applied as reinforcements (5.0 and 10 phr) in an epoxy resin aiming to manufacture biobased composites with enhanced performances. The IL did not significantly modify the morphological and structural characteristics of such reinforcements. Regarding the thermal stability, the slight increase was associated with the MCC-IL affinity. The IL-modified MCC-epoxy composites presented improved mechanical responses, such as flexural strength (≈22.5%) and toughness behavior (≈18.6%), compared with pure epoxy. Such improvement was also obtained for the viscoelastic response, where the storage modulus at the glassy state depended on the MCC amount and IL type. These differences were associated with stronger hydrogen bonding between IL and epoxy hardener or the IL with MCC, causing a "bridging" effect between MCC and epoxy matrix.
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Affiliation(s)
- Eduardo Fischer Kerche
- Programa de Pós-Graduação em Engenharia de Minas, Metalúrgica e de Materiais (PPGE3M), Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS 91501-970, Brazil
- Correspondence:
| | - Agnė Kairytė
- Laboratory of Thermal Insulating Materials and Acoustics, Faculty of Civil Engineering, Institute of Building Materials, Vilnius Gediminas Technical University, LT-08217 Vilnius, Lithuania
| | - Sylwia Członka
- Institute of Polymer & Dye Technology, Lodz University of Technology, 90-924 Lodz, Poland
| | - Vinícius Demétrio da Silva
- Laboratory of Technological Processes and Catalysis, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS 91501-970, Brazil
| | - Nicholas Alves Salles
- Programa de Pós-Graduação em Engenharia de Minas, Metalúrgica e de Materiais (PPGE3M), Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS 91501-970, Brazil
| | - Henri Stephan Schrekker
- Laboratory of Technological Processes and Catalysis, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS 91501-970, Brazil
| | - Sandro Campos Amico
- Programa de Pós-Graduação em Engenharia de Minas, Metalúrgica e de Materiais (PPGE3M), Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS 91501-970, Brazil
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14
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APTES-Modified Nanocellulose as the Formaldehyde Scavenger for UF Adhesive-Bonded Particleboard and Strawboard. Polymers (Basel) 2022; 14:polym14225037. [PMID: 36433163 PMCID: PMC9698025 DOI: 10.3390/polym14225037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 11/14/2022] [Accepted: 11/17/2022] [Indexed: 11/22/2022] Open
Abstract
This work examines the possibility of applying non-modified nanocellulose and nanocellulose functionalized with 3-aminopropyltriethoxysilane (APTES) as a formaldehyde scavenger for commonly used urea-formaldehyde (UF) adhesive. The effect of silanization was determined with the use of Fourier transform infrared spectroscopy (FTIR), flame atomic absorption spectrometry (FAAS), and elemental analysis. Moreover, the ability of cellulosic nanoparticles to absorb the formaldehyde from an aqueous solution was investigated. After homogenization, cured UF adhesives were examined with the use of FTIR, energy-dispersive spectroscopy (SEM-EDS), and the perforator method to determine the content of formaldehyde. Manufactured boards made of rape straw particles and wood particles were tested in terms of their physico-mechanical properties and formaldehyde emission. Studies have shown that the applied method of silanization was effective. Furthermore, in the case of non-modified nanocellulose, no sign of formaldehyde scavenging ability was found. However, the functionalization of cellulosic nanoparticles with APTES containing an amino group led to the significant reduction of formaldehyde content in both the aqueous solution and the UF adhesive. The mechanical properties of both strawboards and particleboards were improved due to the nanocellulose reinforcement; however, no effect of silanization was found. Nevertheless, functionalization with APTES contributed to a decrease in formaldehyde emission from boards, which was not found in the case of the introduction of non-modified cellulosic nanoparticles.
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15
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Mauricio López-Téllez J, del Pilar Cañizares-Macías M. A paper-based analytical device with in-situ Carrez pretreatment for the determination of total polyphenolic content and antioxidant capacity. Food Chem 2022; 405:134952. [DOI: 10.1016/j.foodchem.2022.134952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 11/04/2022] [Accepted: 11/10/2022] [Indexed: 11/15/2022]
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16
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Bisla V, Kawamura I, Yoshitake H. Cross-linked cellulose acetate aminosilane (CAAS) for aqueous arsenic (V) adsorption. CARBOHYDRATE POLYMER TECHNOLOGIES AND APPLICATIONS 2022. [DOI: 10.1016/j.carpta.2022.100259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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17
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He C, Li H, Huan O, Wei H, Xiong H, Ni H, Zheng M. Physicochemical properties and structure characterization of microcrystalline cellulose from pomelo fruitlets. J FOOD PROCESS PRES 2022. [DOI: 10.1111/jfpp.17071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Chuanbo He
- College of Ocean Food and Biological Engineering Jimei University Xiamen Fujian China
- Collaborative Innovation Center of Seafood Deep Processing Dalian Polytechnic University Dalian Liaoning China
- Fujian Provincial Key Laboratory of Food Microbiology and Enzyme Engineering Xiamen Fujian China
| | - Hao Li
- College of Ocean Food and Biological Engineering Jimei University Xiamen Fujian China
| | - Ouyang Huan
- College of Ocean Food and Biological Engineering Jimei University Xiamen Fujian China
| | - Huiting Wei
- College of Ocean Food and Biological Engineering Jimei University Xiamen Fujian China
| | - Hejian Xiong
- College of Ocean Food and Biological Engineering Jimei University Xiamen Fujian China
- Collaborative Innovation Center of Seafood Deep Processing Dalian Polytechnic University Dalian Liaoning China
| | - Hui Ni
- College of Ocean Food and Biological Engineering Jimei University Xiamen Fujian China
- Collaborative Innovation Center of Seafood Deep Processing Dalian Polytechnic University Dalian Liaoning China
- Fujian Provincial Key Laboratory of Food Microbiology and Enzyme Engineering Xiamen Fujian China
- Research Center of Food Biotechnology of Xiamen City Xiamen Fujian China
| | - Mingjing Zheng
- College of Ocean Food and Biological Engineering Jimei University Xiamen Fujian China
- Collaborative Innovation Center of Seafood Deep Processing Dalian Polytechnic University Dalian Liaoning China
- Fujian Provincial Key Laboratory of Food Microbiology and Enzyme Engineering Xiamen Fujian China
- Research Center of Food Biotechnology of Xiamen City Xiamen Fujian China
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18
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A Systematic Review of New Trends in Ionic Liquids Applied to Electrolytes on Polysaccharides. POLYSACCHARIDES 2022. [DOI: 10.3390/polysaccharides3030030] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Polysaccharides are formed by a long chain of monosaccharides, with the main function of promoting energetic and structural reserves for plants and animals. They can be applied as a base of electrolytes, using ionic liquids (ILs) as a solvent base. The study of electrolytes is an emerging field, as they are applied as secondary batteries, fuel cells, solar cells, supercapacitors and chemical sensors. They operate stably under extreme conditions, maintaining their high thermal stability. Furthermore, their low cost and environmentally safe character, compared to conventional electrolytes, have attracted considerable attention in the scientific field. ILs are composed entirely of ions and could be potentially applied as solvents. As electrolytes, ILs are environmentally friendly, and their use in combination with polysaccharides leads to a synergic effect. In the present study, a systematic review was performed of all papers published from 2014 to 2022 regarding ILs and polysaccharides through a search of three databases. Due to the large number of results found, only papers about electrolytes were considered and the main findings described. This study allows for easy identification of the most relevant fields of study with respect to ILs and polysaccharides, as well as the main gaps to be explored in the literature.
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19
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Reactivity of Waterlogged Archeological Elm Wood with Organosilicon Compounds Applied as Wood Consolidants: 2D 1H- 13C Solution-State NMR Studies. Molecules 2022; 27:molecules27113407. [PMID: 35684343 PMCID: PMC9181845 DOI: 10.3390/molecules27113407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 05/19/2022] [Accepted: 05/23/2022] [Indexed: 12/02/2022] Open
Abstract
Some organosilicon compounds, including alkoxysilanes and siloxanes, proved effective in stabilizing the dimensions of waterlogged archaeological wood during drying, which is essential in the conservation process of ancient artifacts. However, it was difficult to determine a strong correlation between the wood stabilizing effect and the properties of organosilicon compounds, such as molecular weight and size, weight percent gain, and the presence of other potentially reactive groups. Therefore, to better understand the mechanism behind the stabilization effectiveness, the reactivity of organosilicons with wood polymers was studied using a 2D 1H–13C solution-state NMR technique. The results showed an extensive modification of lignin through its demethoxylation and decarbonylation and also the absence of the native cellulose anomeric peak in siloxane-treated wood. The most substantial reactivity between wood polymers and organosilicon was observed with the (3-mercaptopropyl)trimethoxysilane treatment, showing complete removal of lignin side chains, the lowest syringyl/guaiacyl ratio, depolymerization of cellulose and xylan, and reactivity with the C6 primary hydroxyls in cellulose. This may explain the outstanding stabilizing effectiveness of this silane and supports the conclusion that extensive chemical interactions are essential in this process. It also indicates the vital role of a mercapto group in wood stabilization by organosilicons. This 2D NMR technique sheds new light on the chemical mechanisms involved in organosilicon consolidation of wood and reveals what chemical characteristics are essential in developing future conservation treatments.
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20
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Kerche EF, Neves RM, Ornaghi HL, Zattera AJ, Schrekker HS. The influence of Ionic liquid concentration on microcrystalline cellulose modification. CARBOHYDRATE POLYMER TECHNOLOGIES AND APPLICATIONS 2022. [DOI: 10.1016/j.carpta.2022.100211] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
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21
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Preparation and separation of pure spherical cellulose nanocrystals from microcrystalline cellulose by complex enzymatic hydrolysis. Int J Biol Macromol 2022; 202:1-10. [PMID: 35031311 DOI: 10.1016/j.ijbiomac.2022.01.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 12/16/2021] [Accepted: 01/03/2022] [Indexed: 12/17/2022]
Abstract
Spherical cellulose nanocrystals (CNCs), as a new and high value cellulose derivative, shows excellent application potential in many fields due to its special structure. The accurate and effective separation of pure spherical CNCs lays foundation for its further application. In this work, spherical CNCs were prepared by enzymatic hydrolysis of microcrystalline cellulose (MCC) with complex enzymes. In order to determine the optimal separation conditions of pure spherical CNCs, turbidity and Zeta potential were used to analyze the influence of pH on system stability, and the size and morphology of samples were characterized by DLS, AFM and SEM. The results showed that spherical CNCs with particle size of 24-76 nm can be separated from large particles with the help of alkali (pH = 9) dispersion and centrifugation speed of 3000 rpm. After three acid (pH = 4) washes, pure spherical CNCs were extracted and reducing sugars and enzyme proteins were removed. Compared with MCC, spherical CNCs had lower crystallinity but stronger reactivity and higher heat transfer. DTG results showed that the maximum weight loss temperature of spherical CNCs prepared by enzymatic hydrolysis was 309 °C.
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22
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Ponnusamy PG, Sharma S, Mani S. Cotton noil based cellulose microfibers reinforced polylactic acid composite films for improved water vapor and ultraviolet light barrier properties. J Appl Polym Sci 2022. [DOI: 10.1002/app.52329] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
| | - Suraj Sharma
- Department of Textiles, Merchandising, and Interiors University of Georgia Athens Georgia USA
| | - Sudhagar Mani
- School of Chemical, Materials and Biomedical Engineering, University of Georgia Athens Georgia USA
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23
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Zhao H, Li K, Wu W, Li Q, Jiang Y, Cheng B, Huang C, Li H. Microstructure and viscoelastic behavior of waterborne polyurethane/cellulose nanofiber nanocomposite. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.02.048] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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24
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Tarchoun AF, Trache D, Klapötke TM, Slimani K, Belouettar B, Abdelaziz A, Bekhouche S, Bessa W. Valorization of Esparto Grass Cellulosic Derivatives for the Development of Promising Energetic Azidodeoxy Biopolymers: Synthesis, Characterization and Isoconversional Thermal Kinetic Analysis. PROPELLANTS EXPLOSIVES PYROTECHNICS 2022. [DOI: 10.1002/prep.202100293] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Ahmed Fouzi Tarchoun
- Energetic Materials Laboratory Teaching and Research unit of Energetic Processes Ecole Militaire Polytechnique BP 17, Bordj El-Bahri 16046 Algiers Algeria
- Energetic Propulsion Laboratory Teaching and Research unit of Energetic Processes Ecole Militaire Polytechnique BP 17, Bordj El-Bahri 16046 Algiers Algeria
| | - Djalal Trache
- Energetic Materials Laboratory Teaching and Research unit of Energetic Processes Ecole Militaire Polytechnique BP 17, Bordj El-Bahri 16046 Algiers Algeria
| | - Thomas M. Klapötke
- Department of Chemistry Ludwig Maximilian University Butenandtstrasse 5–13 (D) D-81377 Munich Germany
| | - Kheireddine Slimani
- Energetic Materials Laboratory Teaching and Research unit of Energetic Processes Ecole Militaire Polytechnique BP 17, Bordj El-Bahri 16046 Algiers Algeria
| | - Baha‐eddine Belouettar
- Energetic Materials Laboratory Teaching and Research unit of Energetic Processes Ecole Militaire Polytechnique BP 17, Bordj El-Bahri 16046 Algiers Algeria
| | - Amir Abdelaziz
- Energetic Materials Laboratory Teaching and Research unit of Energetic Processes Ecole Militaire Polytechnique BP 17, Bordj El-Bahri 16046 Algiers Algeria
| | - Slimane Bekhouche
- Energetic Materials Laboratory Teaching and Research unit of Energetic Processes Ecole Militaire Polytechnique BP 17, Bordj El-Bahri 16046 Algiers Algeria
| | - Wissam Bessa
- Energetic Materials Laboratory Teaching and Research unit of Energetic Processes Ecole Militaire Polytechnique BP 17, Bordj El-Bahri 16046 Algiers Algeria
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25
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Jing M, Zhang L, Fan Z, Liu X, Wang Y, Liu C, Shen C. Markedly improved hydrophobicity of cellulose film via a simple one-step aminosilane-assisted ball milling. Carbohydr Polym 2022; 275:118701. [PMID: 34742427 DOI: 10.1016/j.carbpol.2021.118701] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 09/02/2021] [Accepted: 09/20/2021] [Indexed: 12/14/2022]
Abstract
Most cellulose products lack water resistance due to the existence of abundant hydroxyl groups. In this work, microfibrillated cellulose (MFC) was modified via 3-aminopropyltriethoxysilane (APTES)-assisted ball milling. Under the synergism between high-energy mechanical force field and APTES-modification, the fibrillation and hydrophobization of MFC were achieved simultaneously. Free-standing translucent cellulose films made of modified MFC were fabricated. The original crystal form of cellulose is maintained. The hydrophobicity of cellulose film markedly increases and the water contact angle goes up to 133.2 ± 3.4°, which might be ascribed to the combined effects of APTES-modification and rough film surface. In addition, the thermostability and mechanical properties of cellulose film are also improved via mechanochemical modification. This work provides a novel one-step fibrillation-hydrophobization method for cellulose.
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Affiliation(s)
- Mengfan Jing
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education, National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou, 450002, China.
| | - Lijie Zhang
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education, National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou, 450002, China
| | - Zhengbing Fan
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education, National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou, 450002, China
| | - Xuyang Liu
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education, National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou, 450002, China
| | - Yaming Wang
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education, National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou, 450002, China.
| | - Chuntai Liu
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education, National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou, 450002, China
| | - Changyu Shen
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education, National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou, 450002, China
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26
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Silver ion loaded 3-aminopropyl trimethoxysilane -modified Fe 3O 4 nanoparticles for the fabrication of carrageenan-based active packaging films. Colloids Surf B Biointerfaces 2021; 208:112085. [PMID: 34478956 DOI: 10.1016/j.colsurfb.2021.112085] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 08/18/2021] [Accepted: 08/29/2021] [Indexed: 11/21/2022]
Abstract
Fe3O4 nanoparticle loaded with silver ion was prepared as a more efficient, safer, and less environmentally hazardous silver-based antibacterial nanomaterial. The Fe3O4 nanoparticle was modified using 3-aminopropyl trimethoxysilane (APTMS) to enhance the silver ion adsorption capacity and antibacterial activity. Silver ions were adsorbed on pristine Fe3O4 and Fe3O4@NH2 to enhance antibacterial activity. Energy dispersive spectroscopy (EDS) results showed that Fe3O4 adsorbed 2.74 wt% of Ag, whereas Fe3O4@NH2 adsorbed 9.88 wt%. Pristine Fe3O4NP, silver ion loaded Fe3O4 (Fe3O4-Ag), and silver ion loaded Fe3O4@NH2 (Fe3O4@NH2-Ag) were used to manufacture carrageenan-based composite films. Compared with Fe3O4-Ag, Fe3O4@NH2-Ag exhibited stronger antimicrobial activity against E. coli (8.82 vs. 5.02 log reduction) and L. monocytogenes (10.09 vs. 3.93 log reduction). While the addition of Fe3O4 significantly reduced the WCA of the carrageenan films from 61.1 ± 5.4 ° to 37.2 ± 2.1 °, the additions of Fe3O4-Ag and Fe3O4@NH2-Ag reduced the WCA of the film to a lesser extent (56.9 ± 4.6 ° and 56.9 ± 4.6 °, respectively). Fe3O4NP also improved the thermal stability of carrageenan over Fe3O4@NH2-Ag (22 °C vs. 13 °C) and UV blocking properties (T280, 0.1 ± 0.0 % vs. 3.3 ± 1.5 %).
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27
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Motta Neves R, Zattera AJ, Campos Amico S. Enhancing thermal and dynamic‐mechanical properties of epoxy reinforced by amino‐functionalized microcrystalline cellulose. J Appl Polym Sci 2021. [DOI: 10.1002/app.51329] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Roberta Motta Neves
- Postgraduate Program in Mining, Metallurgical and Materials Engineering Federal University of Rio Grande do Sul (UFRGS) Porto Alegre Brazil
| | - Ademir José Zattera
- Postgraduate Program in Engineering of Processes and Technologies (PGEPROTEC) University of Caxias do Sul (UCS) Caxias do Sul Brazil
| | - Sandro Campos Amico
- Postgraduate Program in Mining, Metallurgical and Materials Engineering Federal University of Rio Grande do Sul (UFRGS) Porto Alegre Brazil
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28
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Bessa W, Trache D, Derradji M, Bentoumia B, Tarchoun AF, Hemmouche L. Effect of silane modified microcrystalline cellulose on the curing kinetics, thermo-mechanical properties and thermal degradation of benzoxazine resin. Int J Biol Macromol 2021; 180:194-202. [PMID: 33737176 DOI: 10.1016/j.ijbiomac.2021.03.080] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 03/11/2021] [Accepted: 03/13/2021] [Indexed: 10/21/2022]
Abstract
In the frame of developing sustainable, eco-friendly and high performance materials, microcrystalline cellulose modified through silane coupling agent (MCC Si) is used as a reinforcing agent of benzoxazine resin to manufacture composites at different loadings of 5, 10, 15, 20 wt%. The structural, morphological and crystallinity characterizations of the modified MCC were initially performed to scrutinize the changes and confirm the modification. Then, an investigation on the crosslinking process of the prepared composites was held through curing kinetic study employing isoconversional methods. The kinetic data revealed a decrease in the average values of activation energy and the pre-exponential factor, particularly for composite supplemented with 10% MCC Si, whereas all samples disclosed a tendency of an autocatalytic curing mechanism. Furthermore, the study of the dynamic mechanical properties and degradation features of the cured specimens, respectively, indicated a superior stiffness attributable to the good interaction between BA-a and MCC Si, and enhanced thermal stability for the composites compared to pristine resin.
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Affiliation(s)
- Wissam Bessa
- Energetic Materials Laboratory, Teaching and Research Unit of Energetic Processes, Ecole Militaire Polytechnique, BP 17, Bordj El-Bahri, 16046 Algiers, Algeria
| | - Djalal Trache
- Energetic Materials Laboratory, Teaching and Research Unit of Energetic Processes, Ecole Militaire Polytechnique, BP 17, Bordj El-Bahri, 16046 Algiers, Algeria.
| | - Mehdi Derradji
- Process Engineering Laboratory, Teaching and Research Unit of Energetic Processes, Ecole Militaire Polytechnique, BP 17, Bordj El-Bahri, 16046 Algiers, Algeria
| | - Benaouda Bentoumia
- Energetic Materials Laboratory, Teaching and Research Unit of Energetic Processes, Ecole Militaire Polytechnique, BP 17, Bordj El-Bahri, 16046 Algiers, Algeria
| | - Ahmed Fouzi Tarchoun
- Energetic Materials Laboratory, Teaching and Research Unit of Energetic Processes, Ecole Militaire Polytechnique, BP 17, Bordj El-Bahri, 16046 Algiers, Algeria; Energetic Propulsion Laboratory, Teaching and Research Unit of Energetic Processes, Ecole Militaire Polytechnique, BP 17, Bordj El-Bahri, 16046 Algiers, Algeria
| | - Larbi Hemmouche
- Materials Engineering Laboratory, Ecole Militaire Polytechnique, BP 17, Bordj El-Bahri, 16046 Algiers, Algeria
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Mohseni M, Ramazani S.A. A, H-Shirazi F, Hassanzadeh Nemati N. Gellan gel comprising short PVDF based-nanofibers: The effect of piezoelectric nanofiber on the mechanical and electrical behavior. MATERIALS TODAY COMMUNICATIONS 2021; 26:101785. [DOI: 10.1016/j.mtcomm.2020.101785] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/27/2023]
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Neves RM, Vanzetto AB, Lazzari LK, Zattera AJ. Thermal and dynamic mechanical behavior of epoxy composites reinforced with post‐consumed yerba mate. J Appl Polym Sci 2021. [DOI: 10.1002/app.50438] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Roberta Motta Neves
- Postgraduate Program in Mining, Metallurgical and Materials Engineering Federal University of Rio Grande do Sul (UFRGS) Porto Alegre Brazil
| | - Andrielen Braz Vanzetto
- Postgraduate Program in Materials Engineering and Technology Pontifical Catholic University of Rio Grande do Sul (PUCRS) Porto Alegre Brazil
| | - Lídia Kunz Lazzari
- Postgraduate Program in Mining, Metallurgical and Materials Engineering Federal University of Rio Grande do Sul (UFRGS) Porto Alegre Brazil
| | - Ademir José Zattera
- Postgraduate Program in Engineering of Processes and Technologies (PGEPROTEC) University of Caxias do Sul (UCS) Caxias do Sul Brazil
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Tarchoun AF, Trache D, Klapötke TM, Belmerabet M, Abdelaziz A, Derradji M, Belgacemi R. Synthesis, Characterization, and Thermal Decomposition Kinetics of Nitrogen-Rich Energetic Biopolymers from Aminated Giant Reed Cellulosic Fibers. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c05448] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Ahmed Fouzi Tarchoun
- Energetic Materials Laboratory, Teaching and Research Unit of Energetic Processes, Ecole Militaire Polytechnique, BP 17, Bordj El-Bahri, 16046 Algiers, Algeria
- Energetic Propulsion Laboratory, Teaching and Research Unit of Energetic Processes, Ecole Militaire Polytechnique, BP 17, Bordj El-Bahri, 16046 Algiers, Algeria
- Department of Chemistry, Ludwig Maximilian University, Butenandtstrasse 5-13(D), D-81377 Munich, Germany
| | - Djalal Trache
- Energetic Materials Laboratory, Teaching and Research Unit of Energetic Processes, Ecole Militaire Polytechnique, BP 17, Bordj El-Bahri, 16046 Algiers, Algeria
| | - Thomas M. Klapötke
- Department of Chemistry, Ludwig Maximilian University, Butenandtstrasse 5-13(D), D-81377 Munich, Germany
| | - Mekki Belmerabet
- Energetic Materials Laboratory, Teaching and Research Unit of Energetic Processes, Ecole Militaire Polytechnique, BP 17, Bordj El-Bahri, 16046 Algiers, Algeria
| | - Amir Abdelaziz
- Energetic Materials Laboratory, Teaching and Research Unit of Energetic Processes, Ecole Militaire Polytechnique, BP 17, Bordj El-Bahri, 16046 Algiers, Algeria
| | - Mehdi Derradji
- Process Engineering Laboratory, Teaching and Research Unit of Energetic Processes, Ecole Militaire Polytechnique, BP 17, Bordj El-Bahri, 16046 Algiers, Algeria
| | - Raouf Belgacemi
- Process Engineering Laboratory, Teaching and Research Unit of Energetic Processes, Ecole Militaire Polytechnique, BP 17, Bordj El-Bahri, 16046 Algiers, Algeria
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Chemical Modification of Cellulose Microfibres to Reinforce Poly(methyl methacrylate) Used for Dental Application. MATERIALS 2020; 13:ma13173807. [PMID: 32872190 PMCID: PMC7503994 DOI: 10.3390/ma13173807] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 08/24/2020] [Accepted: 08/26/2020] [Indexed: 11/16/2022]
Abstract
The mechanical properties of dental acrylic resins have to be improved in the case of a thin denture plate. This can be achieved by cellulose addition, playing the role of active filler. But to provide the excellent dispersion of cellulose microfibres within the hydrophobic polymer matrix, its surface has to be modified. Cellulose microfibres with average length from 8 to 30 μm were modified with octyltriethoxysilane and (3-methacryloxypropyl)methyldimethoxysilane. The latter also participated in the polymerisation reaction of methyl methacrylate. Dental composites were prepared following the general procedure provided by the supplier. The successful modification of the microfibres led to the improved compatibility of the cellulose and poly(methyl methacrylate). The fibres after modification were uniformly distributed within the matrix, resulting in the improved mechanical performance of obtained materials. Cellulose microfibres are good candidates for the dental materials to be used as the active filler. The simple and straightforward approach for the cellulose modifications with silanes provides good potential for its future practical application.
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Tarchoun AF, Trache D, Klapötke TM, Krumm B, Khimeche K, Mezroua A. A promising energetic biopolymer based on azide-functionalized microcrystalline cellulose: Synthesis and characterization. Carbohydr Polym 2020; 249:116820. [PMID: 32933667 DOI: 10.1016/j.carbpol.2020.116820] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Revised: 07/21/2020] [Accepted: 07/22/2020] [Indexed: 01/10/2023]
Abstract
In the current investigation, azidodeoxy-microcrystalline cellulose nitrate (AMCCN) as a novel promising nitrogen-rich energetic biopolymer was synthesized, and its features were compared to those of azidodeoxy-pristine cellulose nitrate (APCN), conventional cellulose nitrate (PCN) and microcrystalline cellulose nitrate (MCCN). The produced nitrated samples and their precursors were fully characterized using various analytical techniques. In addition, the heats of combustion and mechanical sensitivities of all nitrated biopolymers were evaluated, and their energetic performances were predicted by EXPLO5 V6.04 software. The obtained results provide evidence for the effectiveness of the applied chemical functionalization approach to synthesize the relatively insensitive AMCCN and APCN with nitrogen content of 22.75 % and 22.50 %, density of 1.718 g/cm3 and 1.706 g/cm3, and detonation velocity of 7707 m/s and 7533 m/s, respectively, which are higher than those of PCN. This work opens avenues to design promising energetic biopolymers based on renewable microcrystalline cellulose for potential application in advanced high performance solid propellants and explosives.
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Affiliation(s)
- Ahmed Fouzi Tarchoun
- UER Procédés Energétiques, Ecole Militaire Polytechnique, BP 17, Bordj El-Bahri, 16046, Algiers, Algeria; Department of Chemistry, Ludwig Maximilian University Butenandtstrasse 5-13 (D), D-81377, Munich, Germany.
| | - Djalal Trache
- UER Procédés Energétiques, Ecole Militaire Polytechnique, BP 17, Bordj El-Bahri, 16046, Algiers, Algeria.
| | - Thomas M Klapötke
- Department of Chemistry, Ludwig Maximilian University Butenandtstrasse 5-13 (D), D-81377, Munich, Germany.
| | - Burkhard Krumm
- Department of Chemistry, Ludwig Maximilian University Butenandtstrasse 5-13 (D), D-81377, Munich, Germany
| | - Kamel Khimeche
- UER Procédés Energétiques, Ecole Militaire Polytechnique, BP 17, Bordj El-Bahri, 16046, Algiers, Algeria
| | - Abderrahmane Mezroua
- UER Procédés Energétiques, Ecole Militaire Polytechnique, BP 17, Bordj El-Bahri, 16046, Algiers, Algeria
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Linker Regulation: Synthesis and Electrochemical Properties of Ferrocene-Decorated Cellulose. J Inorg Organomet Polym Mater 2020. [DOI: 10.1007/s10904-020-01562-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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