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Supercritical CO2 Impregnation of Clove Extract in Polycarbonate: Effects of Operational Conditions on the Loading and Composition. Processes (Basel) 2022. [DOI: 10.3390/pr10122661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
The development of active packaging for food storage containers is possible through impregnation of natural extracts by supercritical CO2-assisted impregnation processes. The challenge of scCO2-impregnation of natural extracts is to control the total loading and to ensure that the composition of the loaded extract may preserve the properties of the crude extract. This study aimed at investigating the scCO2-impregnation of clove extract (CE) in polycarbonate (PC) to develop antibacterial packaging. A design of experiments was applied to evaluate the influences of temperature (35–60 °C) and pressure (10–30 MPa) on the clove loading (CL%) and on the composition of the loaded extract. The CL% ranged from 6.8 to 18.5%, and the highest CL% was reached at 60 °C and 10 MPa. The composition of the impregnated extract was dependent on the impregnation conditions, and it differed from the crude extract, being richer in eugenol (81.31–86.28% compared to 70.06 in the crude extract). Differential scanning calorimetry showed a high plasticizing effect of CE on PC, and high CL% led to the cracking of the PC surface. Due to the high loading of eugenol, which is responsible for the antibacterial properties of the CE, the impregnated PC is promising for producing antibacterial food containers.
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Sadeghi F, Kamali H, Kouhestanian S, Hadizadeh F, Nokhodchi A, Afrasiabi Garekani H. Supercritical CO 2 versus water as an antisolvent in the crystallization process to enhance dissolution rate of curcumin. Pharm Dev Technol 2022; 27:999-1008. [PMID: 36322612 DOI: 10.1080/10837450.2022.2143526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Antisolvent crystallization approach using either water (in conventional crystallization process (WAS)), or supercritical CO2 (in supercritical anti-solvent crystallization (SCAS)), was employed in presence of hydroxypropyl methylcellulose (HPMC) to enhance the dissolution of curcumin. The impact of pressure, temperature and depressurization time on the SCAS process was studied using the Box-Behnken design to achieve the highest saturation solubility. A physical mixture of curcumin-HPMC was prepared for comparison purposes. Saturation solubility, scanning electron microscopy, differential scanning calorimetry, X-ray diffraction analysis and Fourier transform infrared spectroscopy were conducted to characterize the solid-state characteristics of the crystallized samples. Dissolution studies helped in ascertaining the effects of the crystallization techniques on the performance of the formulation. Curcumin crystalized by different antisolvent displayed varied shapes, sizes, saturation solubility's and dissolution properties. In SCAS process, the maximum saturation solubility (2.83 µg/mL) was obtained when the pressure, temperature and depressurization time were 275 bars, 55 °C, and 22 min respectively. The SCAS samples showed the highest dissolution (70%) in 30 min compared to WAS (27%), physical mixture (18%) and unprocessed curcumin (16%). The improved dissolution rate of SCAS sample originates from the development of sponge-like particles with augmented porosity, decreased crystallinity as well as increased solubility of curcumin.
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Affiliation(s)
- Fatemeh Sadeghi
- Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Pharmaceutics, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hossein Kamali
- Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Pharmaceutics, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Sepideh Kouhestanian
- Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Farzin Hadizadeh
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Medicinal Chemistry, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Ali Nokhodchi
- Pharmaceutics Research Laboratory, School of Life Sciences, University of Sussex, Brighton, UK.,Lupin Pharmaceutical Research Center, Coral Springs, Florida, USA
| | - Hadi Afrasiabi Garekani
- Department of Pharmaceutics, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.,Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
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TRANSFORMATION OF TPU ELASTOMERS INTO TPU FOAMS USING SUPERCRITICAL CO2. A NEW REPROCESSING APPROACH. J Supercrit Fluids 2022. [DOI: 10.1016/j.supflu.2022.105806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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4
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Sadeghi F, Soleimanian Z, Hadizadeh F, Shirafkan A, Kamali H, Afrasiabi Garekani H. Anti-solvent crystallization of celecoxib in the presence of PVP for enhancing the dissolution rate: Comparison of water and supercritical CO2 as two antisolvents. Chem Eng Res Des 2022. [DOI: 10.1016/j.cherd.2021.11.029] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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5
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Ding D, Luo J, Wang J, Yu Z, Tian Y, Tan J, Song Z, Tao Q, Hu T, Wu C. Effective improvement in poly(
bisphenol‐A
carbonate) crystallinity by ionization of its polyamide‐66 heterogeneous nucleator: The role of ion‐dipole interactions. POLYMER CRYSTALLIZATION 2020. [DOI: 10.1002/pcr2.10130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Dachuan Ding
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, Collaborative Innovation Center of Green Light‐Weight Materials and Processing, and School of Materials and Chemical EngineeringHubei University of Technology Wuhan Hubei China
| | - Jingjin Luo
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, Collaborative Innovation Center of Green Light‐Weight Materials and Processing, and School of Materials and Chemical EngineeringHubei University of Technology Wuhan Hubei China
| | - Jie Wang
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, Collaborative Innovation Center of Green Light‐Weight Materials and Processing, and School of Materials and Chemical EngineeringHubei University of Technology Wuhan Hubei China
| | - Zixin Yu
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, Collaborative Innovation Center of Green Light‐Weight Materials and Processing, and School of Materials and Chemical EngineeringHubei University of Technology Wuhan Hubei China
| | - Yuanfu Tian
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, Collaborative Innovation Center of Green Light‐Weight Materials and Processing, and School of Materials and Chemical EngineeringHubei University of Technology Wuhan Hubei China
| | - Jinqiang Tan
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, Collaborative Innovation Center of Green Light‐Weight Materials and Processing, and School of Materials and Chemical EngineeringHubei University of Technology Wuhan Hubei China
| | - Zhiyuan Song
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, Collaborative Innovation Center of Green Light‐Weight Materials and Processing, and School of Materials and Chemical EngineeringHubei University of Technology Wuhan Hubei China
| | - Qian Tao
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, Collaborative Innovation Center of Green Light‐Weight Materials and Processing, and School of Materials and Chemical EngineeringHubei University of Technology Wuhan Hubei China
| | - Tao Hu
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, Collaborative Innovation Center of Green Light‐Weight Materials and Processing, and School of Materials and Chemical EngineeringHubei University of Technology Wuhan Hubei China
| | - Chonggang Wu
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, Collaborative Innovation Center of Green Light‐Weight Materials and Processing, and School of Materials and Chemical EngineeringHubei University of Technology Wuhan Hubei China
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Zhang S, Xu Y, Wang P, Peng X, Zeng J. Fabrication-controlled morphology of poly(butylene succinate) nano-microcellular foams by supercritical CO2. POLYM ADVAN TECHNOL 2018. [DOI: 10.1002/pat.4304] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Shuidong Zhang
- College of Mechanical and Automotive; South China University of Technology; Guangzhou Guangdong 510640 China
- State Key Laboratory of Polymer Materials Engineering (Sichuan University); Chengdu 610640 China
- Tianjin Fire Research Institute of the Ministry of Public Security; Tianjin 300381 China
| | - Yue Xu
- College of Mechanical and Automotive; South China University of Technology; Guangzhou Guangdong 510640 China
| | - Peng Wang
- College of Mechanical and Automotive; South China University of Technology; Guangzhou Guangdong 510640 China
| | - Xiangfang Peng
- College of Mechanical and Automotive; South China University of Technology; Guangzhou Guangdong 510640 China
| | - Jianbing Zeng
- School of Chemistry and Chemical Engineering; Southwest University; Chongqing 400715 China
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Bagotia N, Choudhary V, Sharma DK. A review on the mechanical, electrical and EMI shielding properties of carbon nanotubes and graphene reinforced polycarbonate nanocomposites. POLYM ADVAN TECHNOL 2018. [DOI: 10.1002/pat.4277] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Nisha Bagotia
- Centre for Energy Studies; Indian Institute of Technology Delhi; New Delhi 110016 India
| | - Veena Choudhary
- Centre for Polymer Science and Technology; Indian Institute of Technology Delhi; New Delhi 110016 India
| | - D. K. Sharma
- Centre for Energy Studies; Indian Institute of Technology Delhi; New Delhi 110016 India
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Xu Y, Zhang S, Peng X, Wang J. Fabrication and mechanism of poly(butylene succinate) urethane ionomer microcellular foams with high thermal insulation and compressive feature. Eur Polym J 2018. [DOI: 10.1016/j.eurpolymj.2017.12.032] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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González M, Pozuelo J, Baselga J. Electromagnetic Shielding Materials in GHz Range. CHEM REC 2018; 18:1000-1009. [PMID: 29380939 DOI: 10.1002/tcr.201700066] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Accepted: 01/16/2018] [Indexed: 11/09/2022]
Abstract
The state-of-the art in the design and the manufacture methods of the different electromagnetic shielding materials has been reviewed. This topic has become a mainstream field of research because of the electromagnetic pollution generated by telecommunication technology development. The review is centred in absorbent materials and shows a general overview of how the absorption properties of such composites can be tailored through changes in geometry, composition, morphology, and the filler particles content. Although different types of materials are explained, the text is mainly focused on carbon materials such as graphene and carbon nanotubes. In this way, the importance of the dispersion of the conductive fillers in different polymer matrices is discussed. In addition, an extensive study on new complex architectures such as foam-based materials is presented. Finally, the combination of carbon fillers with other constituents such as metallic nanoparticles is mentioned. In all these studies, the efficiency of the composites as absorbent or reflective of electromagnetic radiation is discussed.
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Affiliation(s)
- Marta González
- Departmento de Ciencia e Ingeniería de Materiales e Ingeniería Química (IAAB), Universidad Carlos III de Madrid, Avda. de la Universidad, 30, 28911) Leganés, Madrid, Spain
| | - Javier Pozuelo
- Departmento de Ciencia e Ingeniería de Materiales e Ingeniería Química (IAAB), Universidad Carlos III de Madrid, Avda. de la Universidad, 30, 28911) Leganés, Madrid, Spain
| | - Juan Baselga
- Departmento de Ciencia e Ingeniería de Materiales e Ingeniería Química (IAAB), Universidad Carlos III de Madrid, Avda. de la Universidad, 30, 28911) Leganés, Madrid, Spain
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Obaidat R, Alnaief M, Jaeger P. Significant solubility of carbon dioxide in Soluplus ® facilitates impregnation of ibuprofen using supercritical fluid technology. Pharm Dev Technol 2017; 23:697-705. [PMID: 28375669 DOI: 10.1080/10837450.2017.1315135] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Treatment of Soluplus® with supercritical carbon dioxide allows promising applications in preparing dispersions of amorphous solids. Several characterization techniques were employed to reveal this effect, including CO2 gas sorption under high pressure and physicochemical characterizations techniques. A gravimetric method was used to determine the solubility of carbon dioxide in the polymer at elevated pressure. The following physicochemical characterizations were used: thermal analysis, X-ray diffraction, Fourier transform, infrared spectroscopy and scanning electron microscopy. Drug loading of the polymer with ibuprofen as a model drug was also investigated. The proposed treatment with supercritical carbon dioxide allows to prepare solid solutions of Soluplus® in less than two hours at temperatures that do not exceed 45 °C, which is a great advantage to be used for thermolabile drugs. The advantages of using this technology for Soluplus® formulations lies behind the high sorption capability of carbon dioxide inside the polymer. This will ensure rapid diffusion of the dissolved/dispersed drug inside the polymer under process conditions and rapid precipitation of the drug in the amorphous form during depressurization accompanied by foaming of the polymer.
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Affiliation(s)
- Rana Obaidat
- a Pharmaceutical Technology , Jordan University of Science and Technology , Irbid , Jordan
| | | | - Philip Jaeger
- c Technische Universitat Hamburg-Harburg , Hamburg , Germany
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Yu H, Lei Y, Yu X, Wang X, Liu T, Luo S. Solid-state polyetherimide (PEI) nanofoams: the influence of the compatibility of nucleation agent on the cellular morphology. JOURNAL OF POLYMER RESEARCH 2016. [DOI: 10.1007/s10965-016-1009-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Curia S, De Focatiis D, Howdle S. High-pressure rheological analysis of CO2-induced melting point depression and viscosity reduction of poly(ε-caprolactone). POLYMER 2015. [DOI: 10.1016/j.polymer.2015.05.026] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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14
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Effects of functional groups on the solubilities of polyhedral oligomeric silsesquioxanes (POSS) in supercritical carbon dioxide. J Supercrit Fluids 2015. [DOI: 10.1016/j.supflu.2015.03.024] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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15
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Monnereau L, Urbanczyk L, Thomassin JM, Pardoen T, Bailly C, Huynen I, Jérôme C, Detrembleur C. Gradient foaming of polycarbonate/carbon nanotube based nanocomposites with supercritical carbon dioxide and their EMI shielding performances. POLYMER 2015. [DOI: 10.1016/j.polymer.2014.11.063] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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