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Teshager AA, Atlabachew M, Alene AN. Development of biodegradable film from cactus ( Opuntia Ficus Indica) mucilage loaded with acid-leached kaolin as filler. Heliyon 2024; 10:e31267. [PMID: 38845886 PMCID: PMC11153097 DOI: 10.1016/j.heliyon.2024.e31267] [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: 01/01/2024] [Revised: 04/30/2024] [Accepted: 05/14/2024] [Indexed: 06/09/2024] Open
Abstract
Nowadays, substituting petroleum-based plastics with biodegradable polymers made from polysaccharides loaded with various reinforcing materials has recently gained attention due to the impact of conventional plastics wastes. In this study, polysaccharidic mucilage from Ethiopian cactus (Opuntia Ficus Indica) was derived using microwave-assisted extraction technique to develop biodegradable polymers that were inexpensive, readily available, simple to make, and ecofriendly. The effect of microwave power 300-800 W, solid-liquid (cactus-sodium hydroxide solution) ratio 1:5-1:25, sodium hydroxide concentration 0.1-0.8 mol/L, and extraction time 2-10 min on mucilage extraction were studied and the maximum yield of mucilage was attained at optimized parameters of 506 W, 1:20, 0.606 mol/L, and 9.5 min, respectively. Biodegradable polymers made with mucilage alone have poor mechanical characteristics and are thermally unstable. Thus, to overcome the stated problems, glycerol as a plasticizer and acid-leached kaolin crosslinked with urea as a reinforcing material were used. Moreover, the effect of acid-leached kaolin and glycerol on the physico-chemical properties of the films was studied, and a maximum tensile strength of 6.74 MPa with 18.45 % elongation at break, thermally improved biodegradability of 26 %, were attained at 10 % acid-leached kaolin and 20 % glycerol crosslinking with 2 % urea. But the maximum degradability of 53.5 % was attained at 30 % glycerol content. The control and reinforced biodegradable films were characterized using TGA, FTIR, SEM, and XRD to determine the thermal, functional group, morphology, and crystallinity of the bioplastics, respectively. These biodegradable plastics may be used for packaging application.
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Affiliation(s)
- Alebel Abebaw Teshager
- Faculty of Chemical and Food Engineering, Bahir Dar Institute of Technology, Bahir Dar University, P.O. Box 26, Bahir Dar, Ethiopia
| | - Minaleshewa Atlabachew
- Department of Chemistry, College of Science, Bahir Dar University, P.O. Box 79, Bahir Dar, Ethiopia
| | - Adugna Nigatu Alene
- Faculty of Chemical and Food Engineering, Bahir Dar Institute of Technology, Bahir Dar University, P.O. Box 26, Bahir Dar, Ethiopia
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Chen Y, Fan S, Yi X, Li B, Chen S, Liu S, Hu T, Chen S. Preparation and Property of Bio-Polyimide/Halloysite Nanocomposite Based on 2,5-Furandicarboxylic Acid. Polymers (Basel) 2021; 13:polym13234057. [PMID: 34883561 PMCID: PMC8659181 DOI: 10.3390/polym13234057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 11/02/2021] [Accepted: 11/17/2021] [Indexed: 11/16/2022] Open
Abstract
Bio-based polyimide (PI)/halloysite nanotube (HNT) nanocomposites based on 2,5-furandicarboxylic acid were prepared by in situ polymerization. The pristine HNTs were modified by tetraethoxysilane (TEOS) and 4,4′-oxybisbenzenamine (ODA). The bio-based PI/HNT nanocomposite film exhibited lower moisture absorption than pure bio-based polyimide, showing that the water resistance of the bio-based polyimide film was improved. The thermal stability and glass transition temperature (Tg) of PI/HNTs nanocomposites were improved with the addition of modified HNTs. Both the tensile strength and Young’s modulus of bio-based PI/HNTs nanocomposite films were enhanced. A 37.7% increase in tensile strength and a 75.1% increase in Young’s modulus of bio-based PI/HNTs nanocomposite films, with 1 wt% of the modified HNTs, were achieved. The result confirmed that 2,5-furandicarboxylic acid could replace the oil-based material effectively, thus reducing pollution and protecting the environment. Finally, a preparation mechanism to prepare bio-based PI/HNTs nanocomposite is proposed.
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Affiliation(s)
- Yingxia Chen
- Shandong Provincial Key Laboratory of Processing and Testing Technology of Glass and Functional Ceramics, School of Material Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China; (Y.C.); (S.F.); (S.L.); (T.H.); (S.C.)
| | - Shuya Fan
- Shandong Provincial Key Laboratory of Processing and Testing Technology of Glass and Functional Ceramics, School of Material Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China; (Y.C.); (S.F.); (S.L.); (T.H.); (S.C.)
| | - Xibin Yi
- Shandong Key Laboratory for Special Silicon-containing Material, Advanced Materials Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China; (X.Y.); (B.L.)
| | - Bing Li
- Shandong Key Laboratory for Special Silicon-containing Material, Advanced Materials Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China; (X.Y.); (B.L.)
| | - Shiwei Chen
- Shandong Provincial Key Laboratory of Processing and Testing Technology of Glass and Functional Ceramics, School of Material Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China; (Y.C.); (S.F.); (S.L.); (T.H.); (S.C.)
- Shandong Key Laboratory for Special Silicon-containing Material, Advanced Materials Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China; (X.Y.); (B.L.)
- Correspondence:
| | - Shuyu Liu
- Shandong Provincial Key Laboratory of Processing and Testing Technology of Glass and Functional Ceramics, School of Material Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China; (Y.C.); (S.F.); (S.L.); (T.H.); (S.C.)
| | - Tao Hu
- Shandong Provincial Key Laboratory of Processing and Testing Technology of Glass and Functional Ceramics, School of Material Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China; (Y.C.); (S.F.); (S.L.); (T.H.); (S.C.)
| | - Si Chen
- Shandong Provincial Key Laboratory of Processing and Testing Technology of Glass and Functional Ceramics, School of Material Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China; (Y.C.); (S.F.); (S.L.); (T.H.); (S.C.)
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Martins TD, Ribeiro T, Farinha JPS. Overview of Silica-Polymer Nanostructures for Waterborne High-Performance Coatings. Polymers (Basel) 2021; 13:1003. [PMID: 33805231 PMCID: PMC8037112 DOI: 10.3390/polym13071003] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 03/19/2021] [Accepted: 03/22/2021] [Indexed: 11/26/2022] Open
Abstract
Combining organic and inorganic components at a nanoscale is an effective way to obtain high performance coating materials with excellent chemical and physical properties. This review focuses on recent approaches to prepare hybrid nanostructured waterborne coating materials combining the mechanical properties and versatility of silica as the inorganic filler, with the flexural properties and ease of processing of the polymer matrix. We cover silica-polymer coupling agents used to link the organic and inorganic components, the formation of hybrid films from these silica-polymer nanostructures, and their different applications. These hybrid nanostructures can be used to prepare high performance functional coatings with different properties from optical transparency, to resistance to temperature, hydrophobicity, anti-corrosion, resistance to scratch, and antimicrobial activity.
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Affiliation(s)
| | | | - José Paulo S. Farinha
- Centro de Química Estrutural, Department of Chemical Engineering, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal; (T.D.M.); (T.R.)
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Kwaśniewska A, Chocyk D, Gładyszewski G, Borc J, Świetlicki M, Gładyszewska B. The Influence of Kaolin Clay on the Mechanical Properties and Structure of Thermoplastic Starch Films. Polymers (Basel) 2020; 12:polym12010073. [PMID: 31906525 PMCID: PMC7023615 DOI: 10.3390/polym12010073] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 12/17/2019] [Accepted: 12/21/2019] [Indexed: 12/02/2022] Open
Abstract
The aim of study was to investigate the influence of kaolin on the physical properties and utility of film produced from native starch. The work involved measurements of strength, structure, and thermal properties. The films were prepared by the casting method. Composite films with 0%, 5%, 10%, and 15% kaolin additives were examined. Measurements of mechanical properties were carried out using the uniaxial tensile test, the nanoindentation test, and nanoscratching. Surface properties were examined by atomic force microscopy and contact angle measurements. Structure was determined by the X-ray diffraction method, and thermal properties were determined by differential scanning calorimetry. A significant influence of kaolin on the strength parameters and thermal and barrier properties of composite films was found. An increase in kaolin content reduced the tensile strength, Young’s modulus, and Poisson’s ratio. Structural analysis showed a partial intercalation and the layered arrangement of kaolin particles. Kaolin additives increased the barrier properties of water vapor in composite films of about 9%. Biopolymer modification by nanoclay reduced the thermal stability of composite films by 7% and could accelerate the biodegradation process. Increasing the concentration of kaolin in the biopolymer matrix led to heightened surface roughness (approximately 64%) and wettability of the surfaces of the film composites of 58%.
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Affiliation(s)
- Anita Kwaśniewska
- Department of Applied Physics, Lublin University of Technology, 20-618 Lublin, Poland; (D.C.); (G.G.); (J.B.); (M.Ś.)
- Correspondence: ; Tel.: +48-81-538-4506
| | - Dariusz Chocyk
- Department of Applied Physics, Lublin University of Technology, 20-618 Lublin, Poland; (D.C.); (G.G.); (J.B.); (M.Ś.)
| | - Grzegorz Gładyszewski
- Department of Applied Physics, Lublin University of Technology, 20-618 Lublin, Poland; (D.C.); (G.G.); (J.B.); (M.Ś.)
| | - Jarosław Borc
- Department of Applied Physics, Lublin University of Technology, 20-618 Lublin, Poland; (D.C.); (G.G.); (J.B.); (M.Ś.)
| | - Michał Świetlicki
- Department of Applied Physics, Lublin University of Technology, 20-618 Lublin, Poland; (D.C.); (G.G.); (J.B.); (M.Ś.)
| | - Bożena Gładyszewska
- Department of Biophysics, University of Life Sciences, 20-950 Lublin, Poland;
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Chen S, Yang Z, Wang F. Preparation and characterization of polyimide/kaolinite nanocomposite films based on functionalized kaolinite. POLYM ENG SCI 2019. [DOI: 10.1002/pen.25069] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Shiwei Chen
- Shandong Provincial Key Laboratory of Processing and Testing Technology of Glass & Functional Ceramics, School of Material Science and EngineeringQilu University of Technology (Shandong Academy of Sciences) Shandong Province, 250353 China
| | - Zhizhou Yang
- Shandong Provincial Key Laboratory of Processing and Testing Technology of Glass & Functional Ceramics, School of Material Science and EngineeringQilu University of Technology (Shandong Academy of Sciences) Shandong Province, 250353 China
| | - Fuzhong Wang
- Shandong Provincial Key Laboratory of Processing and Testing Technology of Glass & Functional Ceramics, School of Material Science and EngineeringQilu University of Technology (Shandong Academy of Sciences) Shandong Province, 250353 China
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Altaf F, Gill R, Batool R, Drexler M, Alamgir F, Abbas G, Jacob K. Proton conductivity and methanol permeability study of polymer electrolyte membranes with range of functionalized clay content for fuel cell application. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2018.11.027] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Yang A, Zhao D, Wu Y, Xu C. Effect of polyimide addition on mechanical properties of PMMA-based denture material. Dent Mater J 2017; 36:560-565. [PMID: 28566671 DOI: 10.4012/dmj.2016-261] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The aim of the study was to evaluate the effect of modifying polymethyl methacrylate (PMMA) denture base material with polyimide (PI) on its flexural property and biocompatibility. Low molecular weight (1,500 g/mol) PI was synthesized and small amount of PI (0.4, 0.6, 0.8 and 1 wt%) was dispersed into the PMMA matrix. Three-point bending tests, scanning electron microscopy and thermal cycling were used to measure the mechanical properties, while MTT assay was used to evaluate the biocompatibility of the denture base material. The results showed that 0.6% addition of PI significantly increased flexural strength of PMMA denture base material by 13.5%, compared with the control group (p<0.05). Even after 5,000 hydrothermal cycling the reinforce effect still existed. However, when the PI content further increased, flexural strength of the denture base material decreased due to particle agglomeration. The MTT assay confirmed that the addition of PI did not change the biocompatibility of the PMMA denture base material. The present study suggested that blending polyimide in the proper proportion can be a potential method to strengthen the PMMA-based denture base material.
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Affiliation(s)
- An Yang
- Department of Prosthodontics, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine.,Shanghai Key Laboratory of Stomatology
| | - Dan Zhao
- Department of Prosthodontics, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine.,Shanghai Key Laboratory of Stomatology
| | - Yaqin Wu
- Department of Prosthodontics, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine.,Shanghai Key Laboratory of Stomatology
| | - Chun Xu
- Department of Prosthodontics, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine.,Shanghai Key Laboratory of Stomatology
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Girdthep S, Worajittiphon P, Molloy R, Lumyong S, Leejarkpai T, Punyodom W. Biodegradable nanocomposite blown films based on poly(lactic acid) containing silver-loaded kaolinite: A route to controlling moisture barrier property and silver ion release with a prediction of extended shelf life of dried longan. POLYMER 2014. [DOI: 10.1016/j.polymer.2014.10.066] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Enhanced thermal and mechanical properties of polyimide composites by mixing thermotropic liquid crystalline epoxy grafted aluminum nitride. JOURNAL OF POLYMER RESEARCH 2014. [DOI: 10.1007/s10965-014-0595-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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