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Liu J, Liu Z, Yang J, Xu B, Chen F, Liao X. Effects of Nanocomposite Derivatives of Ni-Fe, Ni-Co, Ni-Co-Fe Prussian Blue Analogues on the Thermal Decomposition Performance of Nitrocellulose. ACS OMEGA 2024; 9:25655-25667. [PMID: 38911799 PMCID: PMC11190917 DOI: 10.1021/acsomega.3c08871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 05/17/2024] [Accepted: 05/21/2024] [Indexed: 06/25/2024]
Abstract
The incorporation of nanomaterials generated from Prussian blue (PB) derivatives has emerged as a promising strategy to significantly improve the properties of energetic materials. In this study, we comprehensively investigated the influence of nanomaterials derived from PB on the thermal decomposition characteristics of energetic materials. To achieve this goal, we prepared nanomaterials using coprecipitation and heat treatment methods with PB derivatives as catalysts. Advanced techniques such as X-ray diffraction, scanning electron microscopy, transmission electron microscopy, Brunauer-Emmett-Teller (BET) analysis for specific surface area and pore size, and X-ray photoelectron spectroscopy were employed to thoroughly characterize these nanomaterials. Differential scanning calorimetry was used to assess the thermal behavior of nitrocellulose (NC), and the relevant kinetic parameters were determined through thermal decomposition kinetics calculations and analysis. This work revealed the influence of catalysts on the NC decomposition process and provided comprehensive insights into the effect of integrating nanomaterials derived from PB derivatives on the thermal decomposition performance of NC. The results of this work demonstrated the possibility of using nanomaterials generated from PB derivatives as effective catalysts to enhance the thermal decomposition characteristics of NC, offering interesting opportunities for their application in the field of high-energy materials.
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Affiliation(s)
- Junhong Liu
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, China
| | - Zhitao Liu
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, China
| | - Jing Yang
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, China
| | - Bin Xu
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, China
| | - Feiyun Chen
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, China
| | - Xin Liao
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, China
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2
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Senarat S, Rojviriya C, Sarunyakasitrin K, Charoentreeraboon J, Pichayakorn W, Phaechamud T. Moxifloxacin HCl-Incorporated Aqueous-Induced Nitrocellulose-Based In Situ Gel for Periodontal Pocket Delivery. Gels 2023; 9:572. [PMID: 37504451 PMCID: PMC10378842 DOI: 10.3390/gels9070572] [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: 06/27/2023] [Revised: 07/11/2023] [Accepted: 07/11/2023] [Indexed: 07/29/2023] Open
Abstract
A drug delivery system based on an aqueous-induced in situ forming gel (ISG) consists of solubilizing the drug within an organic solution of a polymer using a biocompatible organic solvent. Upon contact with an aqueous medium, the solvent diffuses out and the polymer, designed to be insoluble in water, solidifies and transforms into gel. Nitrocellulose (Nc), an aqueous insoluble nitrated ester of cellulose, should be a promising polymer for an ISG using water induction of its solution to gel state via phase inversion. The aim of this investigation was to develop and evaluate a moxifloxacin HCl (Mx)-incorporated aqueous-induced Nc-based ISG for periodontitis treatment. The effects of different solvents (N-methyl pyrrolidone (NMP), DMSO, 2-pyrrolidone (Py), and glycerol formal (Gf)) on the physicochemical and bioactivity properties of the ISGs were investigated. The viscosity and injection force of the ISGs varied depending on the solvent used, with Gf resulting in higher values of 4631.41 ± 52.81 cPs and 4.34 ± 0.42 N, respectively. All ISGs exhibited Newtonian flow and transformed into a gel state upon exposure to the aqueous phase. The Nc formulations in DMSO showed lower water tolerance (12.50 ± 0.72%). The developed ISGs were easily injectable and demonstrated water sensitivity of less than 15.44 ± 0.89%, forming a gel upon contact with aqueous phase. The transformed Nc gel effectively prolonged Mx release over two weeks via Fickian diffusion, with reduced initial burst release. Different solvent types influenced the sponge-like 3D structure of the dried Nc ISGs and affected mass loss during drug release. Incorporating Nc reduced both solvent and drug diffusion, resulting in a significantly narrower zone of bacterial growth inhibition (p < 0.05). The Mx-incorporated Nc-based ISGs exhibited efficient antibacterial activity against four strains of Staphylococcus aureu and against periodontitis pathogens including Aggregatibacter actinomycetemcomitans and Porphyromonas gingivalis. This study suggests that the developed Mx-incorporated Nc-based ISGs using DMSO and NMP as the solvents are the most promising formulations. They exhibited a low viscosity, ease of injection, and rapid transformation into a gel upon aqueous induction, and they enabled localized and prolonged drug release with effective antibacterial properties. Additionally, this study represents the first reported instance of utilizing Nc as the polymer for ISG. Further clinical experiments are necessary to evaluate the safety of this ISG formulation.
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Affiliation(s)
- Setthapong Senarat
- Programme of Pharmaceutical Engineering, Faculty of Pharmacy, Silpakorn University, Nakhon Pathom 73000, Thailand
| | - Catleya Rojviriya
- Synchrotron Light Research Institute, Mueang District, Nakhon Ratchasima 30000, Thailand
| | - Katekeaw Sarunyakasitrin
- Secretary Office of Faculty, Faculty of Pharmacy, Silpakorn University, Nakhon Pathom 73000, Thailand
- Natural Bioactive and Material for Health Promotion and Drug Delivery System Group (NBM), Faculty of Pharmacy, Silpakorn University, Nakhon Pathom 73000, Thailand
| | - Juree Charoentreeraboon
- Natural Bioactive and Material for Health Promotion and Drug Delivery System Group (NBM), Faculty of Pharmacy, Silpakorn University, Nakhon Pathom 73000, Thailand
- Pharmaceutical Intellectual Center "Prachote Plengwittaya", Faculty of Pharmacy, Silpakorn University, Nakhon Pathom 73000, Thailand
- Department of Industrial Pharmacy, Faculty of Pharmacy, Silpakorn University, Nakhon Pathom 73000, Thailand
| | - Wiwat Pichayakorn
- Natural Bioactive and Material for Health Promotion and Drug Delivery System Group (NBM), Faculty of Pharmacy, Silpakorn University, Nakhon Pathom 73000, Thailand
- Department of Pharmaceutical Technology, Faculty of Pharmaceutical Sciences, Prince of Songkla University, Songkhla 90110, Thailand
| | - Thawatchai Phaechamud
- Programme of Pharmaceutical Engineering, Faculty of Pharmacy, Silpakorn University, Nakhon Pathom 73000, Thailand
- Natural Bioactive and Material for Health Promotion and Drug Delivery System Group (NBM), Faculty of Pharmacy, Silpakorn University, Nakhon Pathom 73000, Thailand
- Department of Industrial Pharmacy, Faculty of Pharmacy, Silpakorn University, Nakhon Pathom 73000, Thailand
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Gibbon C, Di Pietro P, Storr M, Broughton D, Skylaris CK. Using molecular dynamics to simulate realistic structures of nitrocellulose of different nitration levels. Phys Chem Chem Phys 2023; 25:3190-3198. [PMID: 36622755 DOI: 10.1039/d2cp05550c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Nitrocellulose is a reactive derivative of cellulose, one of the most commonly occurring natural materials. Nitration of cellulose decreases the stability of the structure, meaning less is understood about its structure and reactions. Although cellulose is often found in fully crystalline forms, nitrocellulose is more commonly paracrystalline, or amorphous. We present a protocol based on molecular dynamics simulations for creating realistic structures of nitrocellulose, particularly focusing on the crystallinity of the systems being created. We will also provide a detailed analysis of the geometric and dynamical parameters used to quantify the degree of crystallinity for the structures created here, with nitration levels varying from 0-14.14 wt% nitrogen content. Paracrystalline cellulose was not created using the protocol designed here, although it was found that the more nitrated a nitrocellulose system, the more the structure tends to paracrystallinity. This is due to a decrease in the number of hydrogen bonds present, and an increase in the size of the functional groups pushing the chains apart and weakening the interactions between the chains of the structure. The structures created are representative of realistic systems, which in the future will be able to be used to build further understanding of long-term storage of nitrocellulose.
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Affiliation(s)
- Catriona Gibbon
- School of Chemistry, University of Southampton, Highfield, Southampton, SO17 1BJ, UK.
| | | | - Mark Storr
- AWE Aldermaston, Reading, Berkshire, RG7 4PR, UK
| | | | - Chris-Kriton Skylaris
- School of Chemistry, University of Southampton, Highfield, Southampton, SO17 1BJ, UK.
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4
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Influence evaluation of ionic liquids on the alteration of nitrification waste for thermal stability. J Loss Prev Process Ind 2023. [DOI: 10.1016/j.jlp.2023.104977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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5
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Abdous S, Derradji M, Mehelli O, Belgacemi R, Soudjrari S, Ramdani N, Khiari K, Kadi MEA, Liu W. Synthesis and characterization of nitrogen-rich polybenzoxazines for energetic applications. HIGH PERFORM POLYM 2022. [DOI: 10.1177/09540083211073654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
In a vision to develop new synthetic routes for the preparation of energetic materials, two new energetic benzoxazine monomers were synthesized via a two-step Mannich reaction process involving the incorporation of nitrogen–nitrogen bonds and explosophore groups (NO2) into the monomer backbone. The molecular structures of the synthesized monomers were confirmed by 1H NMR, Fourier transform infrared and elemental analysis techniques. The curing behavior and the degradation phenomena were evaluated by differential scanning calorimetry-thermogravimetric analysis analyses. The two monomers showed two distinct exothermic peaks related to the polymerization and degradation phases. The energetic performances were evaluated by determining the heat of combustion and formation using a bomb calorimeter, in an oxygen atmosphere. The results indicated that the 2,4 dinitrophenylhydrazine–based benzoxazine has better energetic properties than the phenylsemicarbazide-based benzoxazine, and the two developed polymers showed comparable performances with nitrocellulose and glycid azide polymer. Overall, this study has demonstrated that the ease of synthesis of the benzoxazine resins via Mannich reaction can be further extended to the energetic field and further research is undergoing to fully unravel the potential of these exceptional materials.
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Affiliation(s)
- Slimane Abdous
- UER Procédés Energétiques, Ecole Militaire Polytechnique, Bordj El Bahri, Algeria
| | - Mehdi Derradji
- UER Procédés Energétiques, Ecole Militaire Polytechnique, Bordj El Bahri, Algeria
| | - Oussama Mehelli
- UER Procédés Energétiques, Ecole Militaire Polytechnique, Bordj El Bahri, Algeria
| | - Raouf Belgacemi
- UER Procédés Energétiques, Ecole Militaire Polytechnique, Bordj El Bahri, Algeria
| | - Sarah Soudjrari
- UER Procédés Energétiques, Ecole Militaire Polytechnique, Bordj El Bahri, Algeria
| | - Noureddine Ramdani
- UER Procédés Energétiques, Ecole Militaire Polytechnique, Bordj El Bahri, Algeria
| | - Karim Khiari
- UER Procédés Energétiques, Ecole Militaire Polytechnique, Bordj El Bahri, Algeria
| | | | - Wenbin Liu
- Key Laboratory of Superlight Material and Surface Technology of Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Institute of Composite Materials, Harbin, China
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Li ZP, Jiang JC, Huang AC, Tang Y, Miao CF, Zhai J, Huang CF, Xing ZX, Shu CM. Thermal hazard evaluation on spontaneous combustion characteristics of nitrocellulose solution under different atmospheric conditions. Sci Rep 2021; 11:24053. [PMID: 34912019 PMCID: PMC8674321 DOI: 10.1038/s41598-021-03579-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 11/29/2021] [Indexed: 11/17/2022] Open
Abstract
Nitrocellulose (NC) is widely used in both military and civilian fields. Because of its high chemical sensitivity and low decomposition temperature, NC is prone to spontaneous combustion. Due to the dangerous properties of NC, it is often dissolved in other organic solvents, then stored and transported in the form of a solution. Therefore, this paper took NC solutions (NC-S) with different concentrations as research objects. Under different atmospheric conditions, a series of thermal analysis experiments and different reaction kinetic methods investigated the influence of solution concentration and oxygen concentration on NC-S’s thermal stability. The variation rules of NC-S’s thermodynamic parameters with solution and oxygen concentrations were explored. On this basis, the spontaneous combustion characteristics of NC-S under actual industrial conditions were summarized to put forward the theoretical guidance for the spontaneous combustion treatment together with the safety in production, transportation, and storage.
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Affiliation(s)
- Zhi-Ping Li
- School of Environmental and Safety Engineering, Changzhou University, Changzhou, 213164, Jiangsu, China
| | - Jun-Cheng Jiang
- School of Environmental and Safety Engineering, Changzhou University, Changzhou, 213164, Jiangsu, China.
| | - An-Chi Huang
- School of Environmental and Safety Engineering, Changzhou University, Changzhou, 213164, Jiangsu, China.
| | - Yan Tang
- School of Environmental and Safety Engineering, Changzhou University, Changzhou, 213164, Jiangsu, China.
| | - Chun-Feng Miao
- College of Safety Science and Engineering, Nanjing Tech University, Nanjing, 210009, Jiangsu, China
| | - Juan Zhai
- Department of Civil Engineering, Texas Tech University, Lubbock, TX, 79409, USA
| | - Chung-Fu Huang
- School of Environmental and Chemical Engineering, Zhaoqing University, Zhaoqing, 526061, Guangdong, China
| | - Zhi-Xiang Xing
- School of Environmental and Safety Engineering, Changzhou University, Changzhou, 213164, Jiangsu, China
| | - Chi-Min Shu
- Department of Safety, Health, and Environmental Engineering, National Yunlin University of Science and Technology, Yunlin, 64002, Taiwan, ROC.
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Lu T, Zhao B, Liu Y, Yan Z, Wang Y, Fu X, Yan QL. Enhanced thermal and energetic properties of NC-based nanocomposites with silane functionalized GO. Dalton Trans 2021; 50:17766-17773. [PMID: 34813635 DOI: 10.1039/d1dt03305k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The surface functionalization of graphene oxide (GO) is always attractive in improving certain properties of the polymer. In this study, 3-aminopropyltriethoxysilane (APTES) and 3-mercaptopropyl-trimethoxysilane (SPTES) have been used to make silane functionalized graphene oxides (SiGOs). The APTES-grafted GO (NH-SiGO), SPTES-grafted GO (SH-SiGO) and pure GO have been separately introduced into the nitrocellulose (NC) matrix. The morphology, thermal properties and energetic properties of the prepared nanocomposites (NH-SiGO and SH-SiGO) were investigated comprehensively. It is shown that the presence of GO and SiGOs have different influences on the thermal reactivity of NC with various contents, and NH-SiGO with 0.5 wt% content showed better catalytic performance on the thermal decomposition of NC than others and showed prominently higher efficiency in improving its heat of combustion. Adding 0.5 wt% of NH-SiGO to NC may decrease its decomposition temperature from 202.1 °C to 196.6 °C, and the residue was decreased from 10.61 wt% to 3.95 wt%, respectively. One isoconversional kinetic method was exploited to determine the kinetic parameters of NC and its nanocomposites. It was found that NH-SiGO had a strong catalytic action on the thermal decomposition of NC-based nanocomposites for which the activation energy and the pre-exponential factor were considerably lowered, while SH-SiGO exhibited an inverse effect. The heat of combustion from NC/GO/0.5, NC/NH-SiGO/0.5 and NC/SH-SiGO/0.5 were determined as 11 249.5, 11 675.1 and 11 491.5 J g-1, respectively, which are higher than that of the pure NC (10 908.4 J g-1). From the combustion process of NC/NH-SiGO/0.5, it was shown that the nanocomposite was combusted completely.
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Affiliation(s)
- Tingting Lu
- Xi'an Modern Chemistry Research Institute, Xi'an 710065, China.
| | - Baodong Zhao
- Xi'an Modern Chemistry Research Institute, Xi'an 710065, China.
| | - Yajing Liu
- Xi'an Modern Chemistry Research Institute, Xi'an 710065, China.
| | - Zhengfeng Yan
- Xi'an Modern Chemistry Research Institute, Xi'an 710065, China.
| | - Yinglei Wang
- Xi'an Modern Chemistry Research Institute, Xi'an 710065, China. .,State Key Laboratory of Fluorine & Nitrogen Chemicals, Xi'an 710065, China
| | - Xiaolong Fu
- Xi'an Modern Chemistry Research Institute, Xi'an 710065, China.
| | - Qi-Long Yan
- Science and Technology on Combustion, Internal Flow and Thermo-structure Laboratory, Northwestern Polytechnical University, Xi'an 710072, China
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Li C, Li H, Xu K. High-substitute nitrochitosan used as energetic materials: Preparation and detonation properties. Carbohydr Polym 2020; 237:116176. [PMID: 32241397 DOI: 10.1016/j.carbpol.2020.116176] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Revised: 03/08/2020] [Accepted: 03/13/2020] [Indexed: 10/24/2022]
Abstract
In order to develop new high-energy materials utilizing natural products, a high-substitute nitrochitosan was prepared with different methods. Prepared processes and detonation properties of the nitrochitosan samples were systematically studied. The nitration substitute degree, nitrogen content, exothermic decomposition enthalpy, heat of combustion, impact sensitivity, detonation velocity and detonation pressure of the prepared high-substitute nitrochitosan were 2.01, 16.67 %, -2226 J g-1, -7831.6 ± 116.3 J g-1, >14.2 J, 7.81 km s-1, and 24.03 GPa, respectively. Compared with nitrocellulose (NC), the nitrogen content, impact sensitivity and detonation properties of the prepared nitrochitosan were significantly improved. Nitrochitosan and RDX can form a uniform composite in acetone. With the increase of RDX content, the impact sensitivity of composite increased, but the composite was more stable and not easy to decompose. High-substitute nitrochitosan presents a potential application in solid propellants.
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Affiliation(s)
- Chuping Li
- School of Chemical Engineering/Integrated Military-Civilian Innovation Center for Energetic Materials, Northwest University, Xi'an, 710069, China
| | - Hui Li
- Xi'an Modern Chemistry Research Institute, Xi'an, 710065, China
| | - Kangzhen Xu
- School of Chemical Engineering/Integrated Military-Civilian Innovation Center for Energetic Materials, Northwest University, Xi'an, 710069, China.
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Liang X, Cheng YC, Lin WC, Tung PH, Huang HQ, Pan X, Shu CM, Jiang J. Analysis and characterisation of 1-butyl-3-methylimidazolium hexafluorophosphate as a humectant of nitrocellulose. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.112617] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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10
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Evaluation of the critical safety temperature of nitrocellulose in different forms. J Loss Prev Process Ind 2018. [DOI: 10.1016/j.jlp.2018.09.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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11
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A Simplified Method to Predict the Heat Release Rate of Industrial Nitrocellulose Materials. APPLIED SCIENCES-BASEL 2018. [DOI: 10.3390/app8060910] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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