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Mandin S, Metilli L, Karrouch M, Lancelon-Pin C, Putaux JL, Chèvremont W, Paineau E, Hengl N, Jean B, Pignon F. Chiral nematic nanocomposites with pitch gradient elaborated by filtration and ultraviolet curing of cellulose nanocrystal suspensions. Carbohydr Polym 2024; 337:122162. [PMID: 38710556 DOI: 10.1016/j.carbpol.2024.122162] [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: 01/23/2024] [Revised: 03/15/2024] [Accepted: 04/11/2024] [Indexed: 05/08/2024]
Abstract
An innovative method combining frontal filtration with ultraviolet (UV) curing has been implemented to design cellulosic nanocomposite films with controlled anisotropic textures from nanometric to micrometric length scales. Namely, an aqueous suspension containing poly (ethylene glycol) diacrylate polymer (PEGDA) as a photocurable polymer and cellulose nanocrystals (CNCs) at a 70/30 mass ratio was processed by frontal filtration, followed by in-situ UV-curing in a dedicated cell. This procedure allowed designing nanocomposite films with highly oriented and densely-packed CNCs, homogeneously distributed in a PEGDA matrix over a thickness of ca. 500 μm. The nanocomposite films were investigated with small-angle X-ray scattering (SAXS), by raster-scanning along their height with a 25 μm vertically-collimated X-ray beam. The CNCs exhibited a high degree of orientation, with their director aligned parallel to the membrane surface, combined with an increase in the degree of alignment as concentration increased towards the membrane surface. Scanning electron microscopy images of fractured films showed the presence of regularly spaced bands lying perpendicular to the applied transmembrane pressure, highlighting the presence of a chiral nematic (cholesteric) organization of the CNCs with a pitch gradient that increased from the membrane surface to the bulk.
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Affiliation(s)
- S Mandin
- Univ. Grenoble Alpes, CNRS, Grenoble INP (Institute of Engineering Univ. Grenoble Alpes), LRP, F-38000 Grenoble, France
| | - L Metilli
- Univ. Grenoble Alpes, CNRS, CERMAV, F-38000 Grenoble, France
| | - M Karrouch
- Univ. Grenoble Alpes, CNRS, Grenoble INP (Institute of Engineering Univ. Grenoble Alpes), LRP, F-38000 Grenoble, France
| | - C Lancelon-Pin
- Univ. Grenoble Alpes, CNRS, CERMAV, F-38000 Grenoble, France
| | - J-L Putaux
- Univ. Grenoble Alpes, CNRS, CERMAV, F-38000 Grenoble, France
| | - W Chèvremont
- ESRF, The European Synchrotron, CS 40220, F-38043 Grenoble Cedex 9, France
| | - E Paineau
- Université Paris Saclay, CNRS, Laboratoire de Physique des Solides, 91405 Orsay Cedex, France
| | - N Hengl
- Univ. Grenoble Alpes, CNRS, Grenoble INP (Institute of Engineering Univ. Grenoble Alpes), LRP, F-38000 Grenoble, France
| | - B Jean
- Univ. Grenoble Alpes, CNRS, CERMAV, F-38000 Grenoble, France
| | - F Pignon
- Univ. Grenoble Alpes, CNRS, Grenoble INP (Institute of Engineering Univ. Grenoble Alpes), LRP, F-38000 Grenoble, France.
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2
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Jie H, Feng K, Lu M, Jin Z. Modulation of Tannic Acid on the Cholesteric Structure of Cellulose Nanocrystals. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024. [PMID: 38920318 DOI: 10.1021/acs.langmuir.4c00767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/27/2024]
Abstract
The chiral nematic phase structure, formed by the self-assembly of cellulose nanocrystals (CNCs) in an aqueous suspension and maintained in a solid film, shows great potential for optical applications. To achieve complex structures in optical devices, it is crucial to subject CNCs to specific shearing processes, such as spinning and printing. Understanding the structural and property changes of the CNC liquid crystal phase in these processes is of utmost importance. In this study, we investigated the effect of adding tannic acid (TA) on the rheological properties and cholesteric phase structures of CNCs/TA mixed suspensions. By calculating the surface site interaction points, we observed that TA can adsorb onto the surface of CNC rods in suspensions through hydrogen bonding. Through characterization techniques, such as polarized optical microscopy, rheology, and synchrotron SAXS, we examined the effects of TA addition on the microstructure and rheological properties of the CNC liquid crystal phase and clarified the change relating to the system composition. Under the same CNC concentration, the volume fraction of the anisotropic phase, the pitch, and the rod spacing of the cholesteric phase were not significantly affected by the addition of TA. However, the system viscosity was significantly reduced with the appropriate amount of TA (2 wt %), in a wide range of CNC concentrations (up to 15 wt % CNCs). The flow indexes (n) in Region I and Region III of steady-state shear curves of CNCs/TA systems (11-15 wt % CNCs) were compared. Moreover, we introduced the well-established theoretical models for liquid crystal polymers to tentatively interpret Region I of the CNCs/TA cholesteric phase and realized that increased numbers of smaller cholesteric-phase domains in the CNCs/TA system and interfacial modification by TA may contribute to the fluidity change. The feature of the domain texture of CNCs/TA systems is verified by polarized optical microscopy observations.
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Affiliation(s)
- Hui Jie
- Department of Chemistry, Renmin University of China, Beijing 100872, China
| | - Kai Feng
- Department of Chemistry, Renmin University of China, Beijing 100872, China
| | - Mengfan Lu
- Department of Chemistry, Renmin University of China, Beijing 100872, China
| | - Zhaoxia Jin
- Department of Chemistry, Renmin University of China, Beijing 100872, China
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3
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Ding Y, Zhong B, Yang T, Zhang F, Liu C, Chi Z. Carboxyl-modified nanocellulose (cNC) enhances the stability of cNC/pullulan bio-nanocomposite hard capsule against moisture variation. Carbohydr Polym 2024; 328:121706. [PMID: 38220341 DOI: 10.1016/j.carbpol.2023.121706] [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: 10/07/2023] [Revised: 11/30/2023] [Accepted: 12/15/2023] [Indexed: 01/16/2024]
Abstract
The quality of polysaccharide-based films and hard capsules is often affected by changes in relative humidity, manifesting as unstable water content, and changes in mechanical strength that make them brittle or soft. Herein, carboxyl-modified nanocellulose (cNC) was prepared and used as a new component to successfully improve the moisture resistance of cNC/pullulan/high-acyl gellan bio-nanocomposite hard capsules (NCPGs). Homogenously dispersed cNC in the pullulan/high-acyl gellan matrix could render the formation of more hydrogen bonds that provided additional water-binding sites and limited the free movement of pullulan and high-acyl gellan molecular chains within NCPGs. This contributed to a decreased amount of pooling adsorption water and an increased amount of Langmuir adsorption water in NCPGs, as compared to pullulan/high-acyl gellan hard capsules (PGs) without cNC. Therefore, the equilibrium moisture content (EMC) values of NCPGs decreased at 83 % relative humidity and increased at 23 % relative humidity compared to those of PGs. Together with enhanced mechanical and barrier properties, NCPGs effectively protected encapsulated amoxicillin and probiotic powder from changes in the outside humidity. Additionally, NCPGs exhibited faster drug release. This study presents a new mechanism and strategy for fabricating films and hard capsules with enhanced stability against moisture variation.
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Affiliation(s)
- Yuanyuan Ding
- College of Marine Life Sciences, Ocean University of China, No. 5 Yushan Road, 266003 Qingdao, China
| | - Bocun Zhong
- College of Marine Life Sciences, Ocean University of China, No. 5 Yushan Road, 266003 Qingdao, China
| | - Tenglin Yang
- College of Marine Life Sciences, Ocean University of China, No. 5 Yushan Road, 266003 Qingdao, China
| | - Fenglong Zhang
- College of Marine Life Sciences, Ocean University of China, No. 5 Yushan Road, 266003 Qingdao, China
| | - Chenguang Liu
- College of Marine Life Sciences, Ocean University of China, No. 5 Yushan Road, 266003 Qingdao, China
| | - Zhe Chi
- College of Marine Life Sciences, Ocean University of China, No. 5 Yushan Road, 266003 Qingdao, China.
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4
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Wu Z, Liu X, Ma C, Du M, Ding X, Xiang C. Polymer Additives with Gas Barrier and Anti-Aging Properties Made from Asphaltenes via Supercritical Ethanol. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2307619. [PMID: 38088526 PMCID: PMC10916603 DOI: 10.1002/advs.202307619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 12/02/2023] [Indexed: 03/07/2024]
Abstract
Asphaltene is often regarded as an undesirable by-product of petroleum processing, possesses vast reserves with little market value. The typical routes of consuming asphaltene, namely burning and landfilling, pose significant environmental challenges. In this study, low-value asphaltene is converted into high-value ethylated carbon clusters (ECC) using a supercritical ethanol technique. The resulting ECC powder demonstrates promising properties for high density polyethylene (HDPE) composite applications. The effects of incorporating ECC on the mechanical, gas barrier, and anti-aging properties of the composite are investigated. Results show that a 1 wt.% ECC led to a 4.2% and 43.5% increase in tensile strength and elongation at break, a reduction of 45.8% and 30.7% in oxygen and carbon dioxide permeability. Furthermore, ECC exhibits effective UV spectrum absorption and conversion in the wavelength range of 400-600 nm, providing protection against UV spectrum damage to HDPE. The incorporation of ECC not only enhances the properties of polymer composites but also sequesters carbon within the polymer matrix, enabling the valorization of asphaltene while mitigating environmental impact.
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Affiliation(s)
- Zulin Wu
- State Key Laboratory for Mechanical Behavior of MaterialsXi'an Jiaotong University28 West Xianning RoadXi'anShaanxi710049China
| | - Xiangbo Liu
- State Key Laboratory for Mechanical Behavior of MaterialsXi'an Jiaotong University28 West Xianning RoadXi'anShaanxi710049China
| | - Chao Ma
- State Key Laboratory for Mechanical Behavior of MaterialsXi'an Jiaotong University28 West Xianning RoadXi'anShaanxi710049China
| | - Mingjin Du
- State Key Laboratory for Mechanical Behavior of MaterialsXi'an Jiaotong University28 West Xianning RoadXi'anShaanxi710049China
| | - Xiangdong Ding
- State Key Laboratory for Mechanical Behavior of MaterialsXi'an Jiaotong University28 West Xianning RoadXi'anShaanxi710049China
| | - Changsheng Xiang
- State Key Laboratory for Mechanical Behavior of MaterialsXi'an Jiaotong University28 West Xianning RoadXi'anShaanxi710049China
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5
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Chen C, Sun W, Wang J, Gardner DJ. Tunable biocomposite films fabricated using cellulose nanocrystals and additives for food packaging. Carbohydr Polym 2023; 321:121315. [PMID: 37739509 DOI: 10.1016/j.carbpol.2023.121315] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 08/08/2023] [Accepted: 08/17/2023] [Indexed: 09/24/2023]
Abstract
Cellulose nanocrystals (CNCs) are considered a prospective packaging material to partially replace petroleum-based plastics attributed to their renewability, sustainability, biodegradability, and desirable attributes including transparency, oxygen, and oil barrier properties. However, neat CNC films are rigid and too brittle to handle or utilize for packaging applications. Hence different additives, including sorbitol, polyvinyl alcohol (PVA), chitin, and κ-carrageenan (CG) were selected to mix with CNCs for packaging film preparation. The influence of additive categories (plasticizer, nonionic polymer, weak cationic and anionic natural polysaccharide), and their concentrations on the performance of CNC suspensions as well as optical, barrier, mechanical, and thermal properties of CNC films were examined. The morphology and physical characterization including density, equilibrium moisture content, contact angle and water durability of the composite films were also determined. Sorbitol and PVA films had the best visible light transparency; mixing with chitin can effectively improve the water durability of CNC films, and CG changed the CNC film from hydrophilic to hydrophobic. Moreover, all CNC films exhibited sufficient oxygen barrier properties, high PVA content films attained the "very high" barrier grade. Thus, durable CNC films can be obtained by adding proper types and amounts of additives, which provides potential scenarios for practical application of CNC films in food packaging.
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Affiliation(s)
- Cong Chen
- School of Forest Resources, University of Maine, Orono, ME 04469, United States; Advanced Structures and Composites Center, University of Maine, Orono, ME 04469, United States
| | - Wenjing Sun
- Institute of Materials (IMX), École Polytechnique Fédérale de Lausanne (EPFL), Lausanne 1015, Switzerland
| | - Jinwu Wang
- School of Forest Resources, University of Maine, Orono, ME 04469, United States; Advanced Structures and Composites Center, University of Maine, Orono, ME 04469, United States; Forest Products Laboratory, U.S. Forest Service, 1 Gifford Pinchot Drive, Madison, WI 53726, United States.
| | - Douglas J Gardner
- School of Forest Resources, University of Maine, Orono, ME 04469, United States; Advanced Structures and Composites Center, University of Maine, Orono, ME 04469, United States
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6
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Li F, Song B, Luo R, Zhou Y, Xiong R, Zhang X, Xu W. Hierarchical Assembly of Patternable Chiroptical Biotextiles with Extreme Environment Stability. ACS NANO 2023; 17:22591-22600. [PMID: 37929926 DOI: 10.1021/acsnano.3c06463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2023]
Abstract
Flexible photonic textiles constructed by sustainable cholesteric organization are very promising to achieve a combination of chiroptical structural colors, mechanical robustness, sustainability, and environment stability. However, the efficient assembly of well-ordered cholesteric nanoarchitectures on flexible textiles in a scalable and patternable manner remains a grand challenge. In this study, we develop an efficient and scalable approach to construct large area chiroptical biotextiles using renewable and bioenabled cellulose nanocrystals (CNCs) as building blocks. This hierarchical assembly enables cholesteric photonic CNCs "cast" in situ, in a seamlessly tessellated design, onto topography-tailored textiles to form a strong interlocked multilayered structure. The resulting hierarchical architecture not only comprises strong photonic-photonic coupling to synergistically enhance the chiroptical properties with tunable wavelengths but also leads to impressive mechanical and optical stability against external mechanical forces and extreme environments. More importantly, through regulating the localized photonic band of the preformed chiroptical textiles by small molecules (e.g., water and glucose), customized colored patterns can be easily generated in large scale that are highly responsive to multistimuli, including chiral polarized light, view angle, and solvent. This chiroptical biotextile is a promising next-generation biomimetic photonic material for defense, aviation, and marine and aerospace special applications.
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Affiliation(s)
- Fangling Li
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430200, China
| | - Baiqi Song
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430200, China
| | - Richu Luo
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430200, China
| | - Yi Zhou
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute at Sichuan University, Chengdu 610065, China
| | - Rui Xiong
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute at Sichuan University, Chengdu 610065, China
| | - Xiaofang Zhang
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430200, China
| | - Weilin Xu
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430200, China
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7
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Bora P, Bhuyan C, Rajguru P, Hazarika S. A Gemini basic ionic liquid and functionalized cellulose nanocrystal-based mixed matrix membrane for CO 2/N 2 separation. Chem Commun (Camb) 2023; 59:12887-12890. [PMID: 37818637 DOI: 10.1039/d3cc03628f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/12/2023]
Abstract
Owing to the adverse environmental impact, carbon capture and separation have gained tremendous interest throughout the globe. Herein, a CO2/N2 gas separative mixed matrix membrane containing amine functionalized cellulose nanocrystals and a Gemini basic ionic liquid has been developed, which exhibits the highest permeance of 21 033 GPU and moderate selectivity of 21.3.
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Affiliation(s)
- Prarthana Bora
- Chemical Engineering Group and Centre for Petroleum Research, CSIR-North East Institute of Science and Technology, Jorhat-785006, Assam, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Chinmoy Bhuyan
- Chemical Engineering Group and Centre for Petroleum Research, CSIR-North East Institute of Science and Technology, Jorhat-785006, Assam, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Parashmoni Rajguru
- Chemical Engineering Group and Centre for Petroleum Research, CSIR-North East Institute of Science and Technology, Jorhat-785006, Assam, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Swapnali Hazarika
- Chemical Engineering Group and Centre for Petroleum Research, CSIR-North East Institute of Science and Technology, Jorhat-785006, Assam, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
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8
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Tong Y, Huang S, Meng X, Wang Y. Aqueous-Cellulose-Solvent-Derived Changes in Cellulose Nanocrystal Structure and Reinforcing Effects. Polymers (Basel) 2023; 15:3030. [PMID: 37514420 PMCID: PMC10386394 DOI: 10.3390/polym15143030] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 07/04/2023] [Accepted: 07/11/2023] [Indexed: 07/30/2023] Open
Abstract
Cellulose nanocrystals as reinforcing agents have received considerable interest, and their dimension mainly depends on the original sources of cellulose. We intend to manually modulate the morphology of cellulose nanocrystals by treating them with cellulose solvents so that we can explore their reinforcing capacity. In this work, waste cotton fabric was processed in two aqueous solvents (a sulfuric acid aqueous solution and a NaOH/urea aqueous solution), and the regenerated cellulose was used to produce cellulose nanocrystals using acid hydrolysis. The results revealed that the nanocrystals (RCNC-H) obtained after the treatment in sulfuric acid had a hybrid crystalline structure and a needle-like shape with an aspect ratio of about 15.2, while cotton fabric was completely dissolved in the NaOH/urea aqueous solution, and the regenerated nanocrystals (RCNC-N) displayed a typical crystalline form of cellulose II with a higher crystallinity and a shorter rod-like shape with an aspect ratio of about 6.3. The reinforcing effects of RCNC-H and RCNC-N were evaluated using polyvinyl alcohol (PVA) films as a model, where the addition of RCNC-H resulted in a relatively better tensile strength and oxygen barrier property, and the PVA/RCNC-N films had a slightly lower water vapor permeability. Therefore, this work suggests a new possibility for altering the naturally formed nanostructure of cellulose for different applications.
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Affiliation(s)
- Yuqi Tong
- Department of Food Science and Agricultural Chemistry, McGill University, Ste Anne de Bellevue, QC H9X 3V9, Canada
- Department of Food Science and Engineering, Shenyang Agricultural University, No. 120 Dongling St., Shenhe District, Shenyang 110866, China
| | - Shuting Huang
- Department of Food Science and Agricultural Chemistry, McGill University, Ste Anne de Bellevue, QC H9X 3V9, Canada
| | - Xianjun Meng
- Department of Food Science and Engineering, Shenyang Agricultural University, No. 120 Dongling St., Shenhe District, Shenyang 110866, China
| | - Yixiang Wang
- Department of Food Science and Agricultural Chemistry, McGill University, Ste Anne de Bellevue, QC H9X 3V9, Canada
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9
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Jaekel EE, Filonenko S. Cationic CNC-stabilized Pickering emulsions of linseed oil for hydrophobic coatings. RSC Adv 2023; 13:16860-16866. [PMID: 37283875 PMCID: PMC10240255 DOI: 10.1039/d3ra01412f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Accepted: 05/24/2023] [Indexed: 06/08/2023] Open
Abstract
Coating paper with polymers is an efficient way of awarding it with gas-tightness and moisture protection in food packaging applications, but it impedes the recyclability of the both paper and polymer. Cellulose nanocrystals were found to be excellent gas barrier materials, but their hydrophilicity forbids their straightforward application as protective coatings. To introduce hydrophobicity into a CNC coating, this work exploited the capability of cationic CNCs isolated in a one-step treatment with a eutectic medium to stabilize Pickering emulsions in order to include a natural drying oil in a dense layer of CNCs. This way, a hydrophobic coating with improved water vapor barrier properties was achieved.
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Affiliation(s)
- Esther E Jaekel
- Max-Planck-Institut fur Kolloid und Grenzflachenforschung, Colloid Chemistry Am Mühlenberg 1 14476 Potsdam Germany +49 331 567 9559
| | - Svitlana Filonenko
- Max-Planck-Institut fur Kolloid und Grenzflachenforschung, Colloid Chemistry Am Mühlenberg 1 14476 Potsdam Germany +49 331 567 9559
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10
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Zena Y, Periyasamy S, Tesfaye M, Tumsa Z, Jayakumar M, Mohamed BA, Asaithambi P, Aminabhavi TM. Essential characteristics improvement of metallic nanoparticles loaded carbohydrate polymeric films - A review. Int J Biol Macromol 2023; 242:124803. [PMID: 37182627 DOI: 10.1016/j.ijbiomac.2023.124803] [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: 12/18/2022] [Revised: 04/24/2023] [Accepted: 05/06/2023] [Indexed: 05/16/2023]
Abstract
Petroleum-based films have contributed immensely to various environmental issues. Developing green-based films from carbohydrate polymers is crucial for addressing the harms encountered. However, some limitations exist on their property, processibility, and applicability that prohibit their processing for further developments. This review discusses the potential carbohydrate polymers and their sources, film preparation methods, such as solvent-casting, tape-casting, extrusion, and thermo-mechanical compressions for green-based films using various biological polymers with their merits and demerits. Research outcomes revealed that the essential characteristics improvement achieved by incorporating different metallic nanoparticles has significantly reformed the properties of biofilms, including crystallization, mechanical stability, thermal stability, barrier function, and antimicrobial activity. The property-enhanced bio-based films made with nanoparticles are potentially interested in replacing fossil-based films in various areas, including food-packaging applications. The review paves a new way for the commercial use of numerous carbohydrate polymers to help maintain a sustainable green environment.
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Affiliation(s)
- Yezihalem Zena
- Department of Chemical Engineering, School of Mechanical, Chemical and Materials Engineering, Adama Science and Technology University, Adama 1888, Ethiopia
| | - Selvakumar Periyasamy
- Department of Chemical Engineering, School of Mechanical, Chemical and Materials Engineering, Adama Science and Technology University, Adama 1888, Ethiopia.
| | - Melaku Tesfaye
- Department of Chemical Engineering, School of Mechanical, Chemical and Materials Engineering, Adama Science and Technology University, Adama 1888, Ethiopia
| | - Zelalem Tumsa
- Department of Chemical Engineering, School of Mechanical, Chemical and Materials Engineering, Adama Science and Technology University, Adama 1888, Ethiopia
| | - Mani Jayakumar
- Department of Chemical Engineering, Haramaya Institute of Technology, Haramaya University, P.O. Box No. 138, Haramaya, Dire Dawa, Ethiopia
| | - Badr A Mohamed
- Department of Agricultural Engineering, Cairo University, Giza 12613, Egypt
| | - Perumal Asaithambi
- Faculty of Civil and Environmental Engineering, Jimma Institute of Technology, Jimma University, Po Box - 378, Jimma, Ethiopia
| | - Tejraj M Aminabhavi
- Center for Energy and Environment, School of Advanced Sciences, KLE Technological University, Hubballi 580 031, India.
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11
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Wan Z, Li M, Zhuang Y, Tong Z. Effect of electrospun stereocomplex
PLA
fibers and modified cellulose nanocrystals on crystallization of poly(
L
‐lactic acid). J Appl Polym Sci 2023. [DOI: 10.1002/app.53839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/11/2023]
Affiliation(s)
- Zhengwei Wan
- School of Materials Science and Engineering and Institute of Smart Biomaterials Zhejiang Sci‐Tech University Hangzhou People's Republic of China
| | - Meili Li
- School of Materials Science and Engineering and Institute of Smart Biomaterials Zhejiang Sci‐Tech University Hangzhou People's Republic of China
| | - Yaozhong Zhuang
- Xinfengming Group Co., Ltd Jiaxing People's Republic of China
| | - Zaizai Tong
- School of Materials Science and Engineering and Institute of Smart Biomaterials Zhejiang Sci‐Tech University Hangzhou People's Republic of China
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12
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Hafid HS, Omar FN, Bahrin EK, Wakisaka M. Extraction and surface modification of cellulose fibers and its reinforcement in starch-based film for packaging composites. BIORESOUR BIOPROCESS 2023; 10:7. [PMID: 38647891 PMCID: PMC10992750 DOI: 10.1186/s40643-023-00631-w] [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: 12/01/2022] [Accepted: 01/15/2023] [Indexed: 01/26/2023] Open
Abstract
BACKGROUND Cellulose extraction from gloss art paper (GAP) waste is a recycling strategy for the abundance of gloss art paper waste. Here, a study was conducted on the impact of ultrasonic homogenization for cellulose extraction from GAP waste to improve the particle size, crystallinity, and thermal stability. RESULTS At treatment temperature of 75.8 °C, ultrasonic power level of 70.3% and 1.4 h duration, cellulose with properties of 516.4 nm particle size, 71.5% crystallinity, and thermal stability of 355.2 °C were extracted. Surface modification of cellulose GAP waste with H3PO4 hydrolysis and 2,2,6,6-tetramethylpiperidine-1-oxyl radical (TEMPO) oxidation was done followed by starch reinforcement. Surface hydrophobicity and mechanical strength were increased for H3PO4 hydrolysis and TEMPO oxidation starch-cellulose. No reduction of thermal properties observed during the treatment, while increment of crystallinity index up to 47.65-59.6% was shown. Neat starch film was more transparent, followed by starch-TEMPO film and starch-H3PO4 film, due to better homogeneity. CONCLUSIONS The cellulose GAP reinforced starch film shows potential in developing packaging materials and simultaneously provide an alternative solution of GAP waste recycling.
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Affiliation(s)
- Halimatun Saadiah Hafid
- Institute of Plantation Studies, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia.
| | - Farah Nadia Omar
- Preparatory Center for Science and Technology (PPST), Universiti Malaysia Sabah, Jalan UMS, 88400, Kota Kinabalu, Sabah, Malaysia.
| | - Ezyana Kamal Bahrin
- Institute of Plantation Studies, Universiti Putra Malaysia, UPM Serdang, 43400, Selangor, Malaysia
- Centre of Foundation Studies for Agricultural Science, Universiti Putra Malaysia, UPM Serdang, 43400, Selangor, Malaysia
| | - Minato Wakisaka
- Graduate School of Life Science and Systems Engineering, Kyushu Institute of Technology, 2-4 Hibikino, Wakamatsu-Ku, Kitakyushu, 808-0196, Japan
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13
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Zhang F, Song B, Li Y, Zhou Y, Wang Y, Xu Q, Ma J. Breathability and Moisture Permeability of Cellulose Nanocrystals Hollow Microsphere Coatings for PET Fabrics. Polymers (Basel) 2022; 14:polym14245345. [PMID: 36559713 PMCID: PMC9788502 DOI: 10.3390/polym14245345] [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: 09/06/2022] [Revised: 11/27/2022] [Accepted: 12/05/2022] [Indexed: 12/13/2022] Open
Abstract
In this study, cellulose nanocrystals hollow microspheres (HMs) were fabricated through Pickering emulsion polymerization, in which hydrophobically modified cellulose nanocrystals (CNCs) acted as Pickering stabilizers. The hollow interior core was prepared by solvent evaporation. This manuscript describes the synthesis of HMs in detail. The hollow structure and nanoscale size of HMs were verified using TEM. The resultant HMs could easily coat self-forming films on the surface of PET fabrics. Additionally, these coatings exhibited superior breathability and moisture permeability properties with a high one-way transport index of 936.33% and a desirable overall moisture management capability of 0.72. Cellulose nanocrystal hollow microsphere coatings could be used as a moisture-wicking functionality agent for finishing fabrics, oil-water separation, and fog harvesting.
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Affiliation(s)
- Fan Zhang
- School of Textile Science and Engineering, Xi’an Polytechnic University, Xi’an 710048, China
- Shaanxi Collaborative Innovation Centre of Industrial Auxiliary Chemistry & Technology, Shaanxi University of Science & Technology, Xi’an 710021, China
- Key Laboratory of Functional Textile Material and Product, Xi’an Polytechnic University, Ministry of Education, Xi’an 710048, China
- Correspondence: ; Tel.: +86-029-82330365
| | - Bingyao Song
- School of Textile Science and Engineering, Xi’an Polytechnic University, Xi’an 710048, China
- Key Laboratory of Functional Textile Material and Product, Xi’an Polytechnic University, Ministry of Education, Xi’an 710048, China
| | - Yilin Li
- School of Textile Science and Engineering, Xi’an Polytechnic University, Xi’an 710048, China
- Key Laboratory of Functional Textile Material and Product, Xi’an Polytechnic University, Ministry of Education, Xi’an 710048, China
| | - Yingying Zhou
- School of Textile Science and Engineering, Xi’an Polytechnic University, Xi’an 710048, China
- Key Laboratory of Functional Textile Material and Product, Xi’an Polytechnic University, Ministry of Education, Xi’an 710048, China
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China
| | - Yanbing Wang
- School of Textile Science and Engineering, Xi’an Polytechnic University, Xi’an 710048, China
- Key Laboratory of Functional Textile Material and Product, Xi’an Polytechnic University, Ministry of Education, Xi’an 710048, China
| | - Qunna Xu
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China
| | - Jianzhong Ma
- Shaanxi Collaborative Innovation Centre of Industrial Auxiliary Chemistry & Technology, Shaanxi University of Science & Technology, Xi’an 710021, China
- College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China
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14
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Tom C, Narayana Sangitra S, Kumar Pujala R. Rheological Fingerprinting and Applications of Cellulose Nanocrystal Based Composites: A Review. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.121011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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15
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Chen L, Fujisawa N, Takanohashi M, Ebara M. An injectable hyperthermic nanofiber mesh with switchable drug release to stimulate chemotherapy potency. Front Bioeng Biotechnol 2022; 10:1046147. [PMID: 36406225 PMCID: PMC9669589 DOI: 10.3389/fbioe.2022.1046147] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Accepted: 10/14/2022] [Indexed: 11/19/2023] Open
Abstract
We developed a smart nanofiber mesh (SNM) with anticancer abilities as well as injectability and fast recovery from irregular to non-compressible shapes. The mesh can be injected at the tumor site to modulate and control anticancer effects by loading the chemotherapeutic drug, paclitaxel (PTX), as well as magnetic nanoparticles (MNPs). The storage modulus of the mesh decreases when applied with a certain shear strain, and the mesh can pass through a 14-gauge needle. Moreover, the fibrous morphology is maintained even after injection. In heat-generation measurements, the mesh achieved an effective temperature of mild hyperthermia (41-43°C) within 5 min of exposure to alternating magnetic field (AMF) irradiation. An electrospinning method was employed to fabricate the mesh using a copolymer of N-isopropylacrylamide (NIPAAm) and N-hydroxyethyl acrylamide (HMAAm), whose phase transition temperature was adjusted to a mildly hyperthermic temperature range. Pplyvinyl alcohol (PVA) was also incorporated to add shear-thinning property to the interactions between polymer chains derived from hydrogen bonding, The "on-off" switchable release of PTX from the mesh was detected by the drug release test. Approximately 73% of loaded PTX was released from the mesh after eight cycles, whereas only a tiny amount of PTX was released during the cooling phase. Furthermore, hyperthermia combined with chemotherapy after exposure to an AMF showed significantly reduced cancer cell survival compared to the control group. Subsequent investigations have proven that a new injectable local hyperthermia chemotherapy platform could be developed for cancer treatment using this SNM.
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Affiliation(s)
- Lili Chen
- Research Center for Functional Materials, National Institute for Materials Science (NIMS), Tsukuba, Japan
| | - Nanami Fujisawa
- Research Center for Functional Materials, National Institute for Materials Science (NIMS), Tsukuba, Japan
- Graduate School of Pure and Applied Sciences, University of Tsukuba, Tsukuba, Japan
| | - Masato Takanohashi
- Research Center for Functional Materials, National Institute for Materials Science (NIMS), Tsukuba, Japan
| | - Mitsuhiro Ebara
- Research Center for Functional Materials, National Institute for Materials Science (NIMS), Tsukuba, Japan
- Graduate School of Pure and Applied Sciences, University of Tsukuba, Tsukuba, Japan
- Department of Materials Science and Technology, Tokyo University of Science, Tokyo, Japan
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16
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Recyclable cellulose nanofibers reinforced poly (vinyl alcohol) films with high mechanical strength and water resistance. Carbohydr Polym 2022; 293:119729. [DOI: 10.1016/j.carbpol.2022.119729] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 06/07/2022] [Accepted: 06/09/2022] [Indexed: 11/18/2022]
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17
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Miao Z, Lv R, Teng S, Cao C, Lu P. Development of antioxidant active packaging films with slow release properties incorporated with tea polyphenols-loaded porous starch microcapsules. Int J Biol Macromol 2022; 222:403-412. [PMID: 36126814 DOI: 10.1016/j.ijbiomac.2022.09.143] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 08/26/2022] [Accepted: 09/15/2022] [Indexed: 11/27/2022]
Abstract
Slow release active packaging films can realize the sustained release of active agents and prolong the shelf life of food. For this aim, a novel slow release active polyvinyl alcohol (PVA) film was developed by using solution casting method. With porous starch loaded with tea polyphenols (PSTP) as core material and maltodextrin (MD) as wall material, PSTP@MD microcapsules were prepared using freeze drying method and used as slow release carrier of tea polyphenols (TP) in the active films. The interactions between PSTP@MD microcapsules and PVA molecular chains were physical interactions. In addition, the relative crystallinity of the slow release active films was reduced to 23.74 %. The addition of PSTP@MD microcapsules can enhance the ductility of active films and reduce the water content and swelling degree of active films by 46.74 % and 54.38 %, respectively. Moreover, the thermal stability, water vapor and ultraviolet barrier properties of active films were promoted. The transparency and antioxidant activity of active films was high, and the radical scavenging activity of active films was 58 %. The encapsulation of TP with PSTP@MD microcapsules can realize the slow release of TP. The slow release active films had antioxidant activity and sustained release properties, which could be used as an active packaging film to extend the shelf life of food.
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Affiliation(s)
- Zhikun Miao
- Food Safety Analysis and Test Engineering Technology Research Center of Shandong Province, Key Laboratory of Agricultural Film Application of Ministry of Agriculture and Rural Affairs, College of Chemistry and Material Science, Shandong Agricultural University, Tai'an, Shandong 271018, PR China
| | - Ruifu Lv
- Food Safety Analysis and Test Engineering Technology Research Center of Shandong Province, Key Laboratory of Agricultural Film Application of Ministry of Agriculture and Rural Affairs, College of Chemistry and Material Science, Shandong Agricultural University, Tai'an, Shandong 271018, PR China
| | - Shilong Teng
- Food Safety Analysis and Test Engineering Technology Research Center of Shandong Province, Key Laboratory of Agricultural Film Application of Ministry of Agriculture and Rural Affairs, College of Chemistry and Material Science, Shandong Agricultural University, Tai'an, Shandong 271018, PR China
| | - Cheng Cao
- Food Safety Analysis and Test Engineering Technology Research Center of Shandong Province, Key Laboratory of Agricultural Film Application of Ministry of Agriculture and Rural Affairs, College of Chemistry and Material Science, Shandong Agricultural University, Tai'an, Shandong 271018, PR China
| | - Panfang Lu
- Food Safety Analysis and Test Engineering Technology Research Center of Shandong Province, Key Laboratory of Agricultural Film Application of Ministry of Agriculture and Rural Affairs, College of Chemistry and Material Science, Shandong Agricultural University, Tai'an, Shandong 271018, PR China.
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18
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Fan J, Fan X, Guo Y, Wang Y, Xiao Z, Wang H, Liang D, Xie Y. Click chemistry-induced modification of acrylated cellulose nanocrystals for application in PVA-based nanocomposites. Carbohydr Polym 2022; 297:120031. [DOI: 10.1016/j.carbpol.2022.120031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 08/18/2022] [Accepted: 08/22/2022] [Indexed: 11/02/2022]
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19
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Bubble-Patterned Films by Inkjet Printing and Gas Foaming. COATINGS 2022. [DOI: 10.3390/coatings12060806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The micropatterning of thin films represents a challenging task, even for additive manufacturing techniques. In this work, we introduce the use of inkjet-printing technology coupled with a gas-foaming process, to produce patterned porosities on polymeric thin films, to develop a bubble-writing method. Inkjet printing of an aqueous solution of poly (vinyl alcohol) (PVA), a well-known gas-barrier polymer, allows the selective coating of a thin poly (lactic acid) (PLA) film, which is, successively, exposed to a gas-foaming process. The foaming of the thin PLA film is effective, only when PVA is printed on top, since the PVA barrier hinders the premature loss of the gas, thus allowing the formation of cavities (bubbles) in the covered areas; then, removing the PVA coating by water washing forms a bubble pattern. As a proof of concept, the surface-morphology features of the patterned porous PLA films have been proven effective at driving endothelial cell growth. A new technological platform is, hence, introduced in the field of tissue engineering and, in general, in fields involving thin films, where a patterned porous structure may add value.
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20
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Kaur K, Sahu BK, Swami K, Chandel M, Gupta A, Zhu LH, Youngblood JP, Kanagarajan S, Shanmugam V. Phone Camera Nano-Biosensor Using Mighty Sensitive Transparent Reusable Upconversion Paper. ACS APPLIED MATERIALS & INTERFACES 2022; 14:27507-27514. [PMID: 35667027 DOI: 10.1021/acsami.2c06894] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Lycopene, a natural colorant and antioxidant with a huge growing market, is highly susceptible to photo/thermal degradation, which demands real-time sensors. Hence, here a transparent upconversion nanoparticles (UCNPs) strip having 30 mol % Yb, 0.1 mol % Tm, and β-NaYF4 UCNPs, which shows an intense emission at 475 nm, has been developed. This strip has been found to be sensitive to lycopene with a detection limit as low as 10 nM using a smartphone camera, which is due to static quenching that is confirmed by the lifetime study. In comparison to previous paper strips, here the transparent strip has minimal scattering with maximum sensitivity in spite of not using any metal quenchers. An increase in strip hydrophobicity during the fabrication process complements the strip to selectively permeate and present an extraction-free substitute analysis for chromatography. Hydrophobicity endows the strip with the capability to reuse the strip with ∼100% luminescence recovery.
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Affiliation(s)
- Kamaljit Kaur
- Institute of Nano Science and Technology, Sector 81, Knowledge City, Mohali, Punjab 140306, India
| | - Bandana Kumari Sahu
- Institute of Nano Science and Technology, Sector 81, Knowledge City, Mohali, Punjab 140306, India
| | - Kanchan Swami
- Institute of Nano Science and Technology, Sector 81, Knowledge City, Mohali, Punjab 140306, India
| | - Mahima Chandel
- Institute of Nano Science and Technology, Sector 81, Knowledge City, Mohali, Punjab 140306, India
| | - Anshika Gupta
- Institute of Nano Science and Technology, Sector 81, Knowledge City, Mohali, Punjab 140306, India
| | - Li-Hua Zhu
- Department of Plant Breeding, Swedish University of Agricultural Sciences, P.O. Box 190, 234 22 Lomma, Sweden
| | - Jeffrey P Youngblood
- School of Materials Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Selvaraju Kanagarajan
- Department of Plant Breeding, Swedish University of Agricultural Sciences, P.O. Box 190, 234 22 Lomma, Sweden
| | - Vijayakumar Shanmugam
- Institute of Nano Science and Technology, Sector 81, Knowledge City, Mohali, Punjab 140306, India
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21
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Zhang Y, Haque ANMA, Naebe M. Lignin-Cellulose Nanocrystals from Hemp Hurd as Light-Coloured Ultraviolet (UV) Functional Filler for Enhanced Performance of Polyvinyl Alcohol Nanocomposite Films. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:3425. [PMID: 34947774 PMCID: PMC8708339 DOI: 10.3390/nano11123425] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 12/05/2021] [Accepted: 12/15/2021] [Indexed: 11/16/2022]
Abstract
Lignin is a natural light-coloured ultraviolet (UV) absorber; however, conventional extraction processes usually darken its colour and could be detrimental to its UV-shielding ability. In this study, a sustainable way of fabricating lignin-cellulose nanocrystals (L-CNCs) from hemp hurd is proposed. A homogeneous morphology of the hemp particles was achieved by ball milling, and L-CNCs with high aspect ratio were obtained through mild acid hydrolysis on the ball-milled particles. The L-CNCs were used as filler in polyvinyl alcohol (PVA) film, which produced a light-coloured nanocomposite film with high UV-shielding ability and enhanced tensile properties: the absorption of UV at wavelength of 400 nm and transparency in the visible-light region at wavelength of 550 nm was 116 times and 70% higher than that of pure PVA, respectively. In addition to these advantages, the nanocomposite film showed a water vapour transmission property comparable with commercial food package film, indicating potential applications.
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Affiliation(s)
| | | | - Maryam Naebe
- Institute for Frontier Materials, Deakin University, 75 Pigdons Road, Geelong, VIC 3216, Australia; (Y.Z.); (A.N.M.A.H.)
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22
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Htira T, Zid S, Zinet M, Espuche E. Finite Element Analysis of Gas Diffusion in Polymer Nanocomposite Systems Containing Rod-like Nanofillers. Polymers (Basel) 2021; 13:polym13162615. [PMID: 34451155 PMCID: PMC8399843 DOI: 10.3390/polym13162615] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 07/22/2021] [Accepted: 08/03/2021] [Indexed: 11/16/2022] Open
Abstract
Polymer-based films with improved gas barrier properties are of great interest for a large range of applications, including packaging and coatings. The barrier effect is generally obtained via the addition of a sufficient amount of impermeable nanofillers within the polymer matrix. Due to their low environmental footprint, bio-based nanocomposites such as poly(lactic acid)-cellulose nanocrystal (PLA-CNC) nanocomposites seem to be an interesting alternative to synthetic-polymer-based nanocomposites. The morphology of such systems consists of the dispersion of impermeable rod-like fillers of finite length in a more permeable matrix. The aim of this work is to analyze, through finite element modeling (FEM), the diffusion behavior of 3D systems representative of PLA-CNC nanocomposites, allowing the determination of the nanocomposites' effective diffusivity. Parametric studies are carried out to evaluate the effects of various parameters, such as the filler volume fraction, aspect ratio, polydispersity, and agglomeration, on the improvement of the barrier properties. The role of the filler-matrix interfacial area (or interphase) is also investigated and is shown to be particularly critical to the overall barrier effect for highly diffusive interphases.
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