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Zhou X, Liu Y, Gao Z, Min P, Liu J, Yu ZZ, Nicolosi V, Zhang HB. Biphasic GaIn Alloy Constructed Stable Percolation Network in Polymer Composites over Ultrabroad Temperature Region. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2310849. [PMID: 38185468 DOI: 10.1002/adma.202310849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 12/18/2023] [Indexed: 01/09/2024]
Abstract
Flexible and adaptable polymer composites with high-performance reliability over wide temperature range are imperative for various applications. However, the distinct filler-matrix thermomechanical behaviors often cause severe structure damage and performance degradation upon large thermal shock. To address this issue, a general strategy is proposed to construct leakage-free, self-adaptive, stable percolation networks in polymer composites over wide temperature (77-473 K) with biphasic Ga35In65 alloy. The in situ micro-CT technology, for the first time, reveals the conformable phase transitions of Ga35In65 alloys in the polymer matrix that help repair the disruptive conductive networks over large temperature variations. The cryo-expanded Ga compensates the disruptive carbon networks at low temperatures, and flowable Ga and melted In at high temperatures conformably fill and repair the deboned interfaces and yielded crevices. As a proof-of-concept, this temperature-resistant composite demonstrates superb electrical conductivity and electromagnetic interference shielding properties and stability even after a large temperature shock (ΔT = 396 K). Furthermore, the superiority of the construction of temperature self-adaptive networks within the composite enables them for additive manufacturing of application-oriented components. This work offers helpful inspiration for developing high-performance polymer composites for extreme-temperature applications.
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Affiliation(s)
- Xinfeng Zhou
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Yue Liu
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Zijie Gao
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Peng Min
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Ji Liu
- School of Chemistry, Centre for Research on Adaptive Nanostructures and Nanodevices (CRANN), Advanced Materials Bio-Engineering Research Centre (AMBER), Trinity College Dublin, Dublin 2, Ireland
| | - Zhong-Zhen Yu
- Beijing Key Laboratory of Advanced Functional Polymer Composites, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Valeria Nicolosi
- School of Chemistry, Centre for Research on Adaptive Nanostructures and Nanodevices (CRANN), Advanced Materials Bio-Engineering Research Centre (AMBER), Trinity College Dublin, Dublin 2, Ireland
| | - Hao-Bin Zhang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, China
- Beijing Key Laboratory of Advanced Functional Polymer Composites, Beijing University of Chemical Technology, Beijing, 100029, China
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Melo DS, Reis IC, Queiroz JC, Cena CR, Nahime BO, Malmonge JA, Silva MJ. Evaluation of Piezoresistive and Electrical Properties of Conductive Nanocomposite Based on Castor-Oil Polyurethane Filled with MWCNT and Carbon Black. MATERIALS (BASEL, SWITZERLAND) 2023; 16:3223. [PMID: 37110058 PMCID: PMC10143113 DOI: 10.3390/ma16083223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 03/17/2023] [Accepted: 03/20/2023] [Indexed: 06/19/2023]
Abstract
Flexible films of a conductive polymer nanocomposite-based castor oil polyurethane (PUR), filled with different concentrations of carbon black (CB) nanoparticles or multiwall carbon nanotubes (MWCNTs), were obtained by a casting method. The piezoresistive, electrical, and dielectric properties of the PUR/MWCNT and PUR/CB composites were compared. The dc electrical conductivity of both PUR/MWCNT and PUR/CB nanocomposites exhibited strong dependences on the concentration of conducting nanofillers. Their percolation thresholds were 1.56 and 1.5 mass%, respectively. Above the threshold percolation level, the electrical conductivity value increased from 1.65 × 10-12 for the matrix PUR to 2.3 × 10-3 and 1.24 × 10-5 S/m for PUR/MWCNT and PUR/CB samples, respectively. Due to the better CB dispersion in the PUR matrix, the PUR/CB nanocomposite exhibited a lower percolation threshold value, corroborated by scanning electron microscopy images. The real part of the alternating conductivity of the nanocomposites was in accordance with Jonscher's law, indicating that conduction occurred by hopping between states in the conducting nanofillers. The piezoresistive properties were investigated under tensile cycles. The nanocomposites exhibited piezoresistive responses and, thus, could be used as piezoresistive sensors.
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Affiliation(s)
- Diego S. Melo
- Department of Physics and Chemistry, Faculty of Engineering, São Paulo State University (UNESP), Ilha Solteira 15385-000, SP, Brazil
- Department of Energy Engineering, Faculty of Engineering and Science, São Paulo State University (UNESP), Rosana 19274-000, SP, Brazil
| | - Idalci C. Reis
- Science and Technology Goiano, Federal Institute of Education, Rio Verde 75901-970, GO, Brazil
| | - Júlio C. Queiroz
- Science and Technology Goiano, Federal Institute of Education, Rio Verde 75901-970, GO, Brazil
| | - Cicero R. Cena
- Institute of Physics, Federal University of Federal do Mato Grosso do Sul (UFMS), Campo Grande 79070-900, MS, Brazil
| | - Bacus O. Nahime
- Science and Technology Goiano, Federal Institute of Education, Rio Verde 75901-970, GO, Brazil
| | - José A. Malmonge
- Department of Physics and Chemistry, Faculty of Engineering, São Paulo State University (UNESP), Ilha Solteira 15385-000, SP, Brazil
| | - Michael J. Silva
- Department of Energy Engineering, Faculty of Engineering and Science, São Paulo State University (UNESP), Rosana 19274-000, SP, Brazil
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Zhang Y, Wang J, Chen Y. Polyhedral oligosilsesquioxane-modified boron nitride enhances the mechanical properties of polyimide nanocomposites. RSC Adv 2022; 12:7276-7283. [PMID: 35424673 PMCID: PMC8982150 DOI: 10.1039/d2ra00267a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 02/23/2022] [Indexed: 11/21/2022] Open
Abstract
A novel high-strength polyimide (PI) nanocomposite film was designed and constructed by the copolymerization of epoxidized polyhedral oligomeric silsesquioxane-modified hexagonal boron nitride and polyamic acid (PAA). The composite filler (EPPOSS@Gh-BN) was composed of silane coupling agent KH550 modified hexagonal boron nitride (Gh-BN) and epoxidized polyhedral oligomeric silsesquioxanes (EPPOSS), which improved not only the dispersion of the h-BN but also the effective interfacial stress transfer, leading to an enhanced mechanical strength of the resultant PI nanocomposite film of 114 MPa even with a slight EPPOSS@Gh-BN loading of 0.30 wt%, and the storage modulus was increased by more than 30% to 4 GPa compared to pure PI. Meanwhile, the PI/EPPOSS@Gh-BN nanocomposite has better heat transfer performance, higher hydrophobicity, lower dielectric properties, and higher heat stability than pure PI, and is therefore expected to provide an ideal platform for the development of highly flexible electronics in the future. A novel high-strength polyimide nanocomposite film was obtained by the copolymerization of epoxidized polyhedral oligomeric silsesquioxane-modified hexagonal boron nitride and polyamic acid.![]()
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Affiliation(s)
- Yajun Zhang
- College of Mechanical and Electrical Engineering, Beijing University of Chemical Technology Beijing 100020 China
| | - Jie Wang
- College of Mechanical and Electrical Engineering, Beijing University of Chemical Technology Beijing 100020 China
| | - Yinjie Chen
- Beijing Engineering Research Center of Printed Electronics, Beijing Institute of Graphic Communication Beijing 102600 China
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Ogbonna VE, Popoola API, Popoola OM, Adeosun SO. Recent progress on improving the mechanical, thermal and electrical conductivity properties of polyimide matrix composites from nanofillers perspective for technological applications. JOURNAL OF POLYMER ENGINEERING 2021. [DOI: 10.1515/polyeng-2021-0176] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
The adoption of polymer nanocomposites in the design/manufacturing of parts for engineering and technological applications showcases their outstanding properties. Among the polymer nanocomposites, polyimide (PI) nanocomposites have attracted much attention as a composite material capable of withstanding mechanical, thermal and electrical stresses, hence engineered for use in harsh environments. However, the nanocomposites are limited to the application area that demands conduction polymer and polymer composites due to the low electrical conductivity of PI. Although, there has been advancement in improving the mechanical, thermal and electrical properties of PI nanocomposites. Thus, the review focuses on recent progress on improving the mechanical, thermal and electrical conductivity properties of PI nanocomposites via the incorporation of carbon nanotubes (CNTs), graphene and graphene oxide (GO) fillers into the PI matrix. The review summarises the influence of CNTs, graphene and GO on the mechanical and conductivity properties of PI nanocomposites. The authors ended the review with advancement, challenges and recommendations for future improvement of PI reinforced conductive nanofillers composites. Therefore, the review study proffers an understanding of the improvement and selection of PI nanocomposites material for mechanical, thermal and electrical conductivity applications. Additionally, in the area of conductive polymer nanocomposites, this review will also pave way for future study.
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Affiliation(s)
- Victor Ekene Ogbonna
- Chemical, Metallurgical & Materials Engineering , Tshwane University of Technology , P.M.B X680 , Pretoria , South Africa
| | - A. Patricia I. Popoola
- Chemical, Metallurgical & Materials Engineering , Tshwane University of Technology , P.M.B X680 , Pretoria , South Africa
| | - Olawale M. Popoola
- Centre for Energy and Power , Tshwane University of Technology , P.M.B X680 , Pretoria , South Africa
| | - Samson O. Adeosun
- Metallurgical & Materials Engineering , University of Lagos , Yaba , Lagos 23401 , Nigeria
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Sangroniz L, Landa M, Fernández M, Santamaria A. Matching Rheology, Conductivity and Joule Effect in PU/CNT Nanocomposites. Polymers (Basel) 2021; 13:polym13060950. [PMID: 33808778 PMCID: PMC8003351 DOI: 10.3390/polym13060950] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 03/15/2021] [Accepted: 03/16/2021] [Indexed: 11/16/2022] Open
Abstract
We investigated polyurethane (PU)–carbon nanotube (CNT) nanocomposites (PU/CNT) in a range of concentrations from 1 to 8 wt% CNT as hot melt adhesives. We studied the thermal properties of the nanocomposites, which is relevant from an applied point of view. The phase angle plots versus complex modulus results revealed the existence of a maximum above a given CNT concentration. The intensity of the peak and associated relaxation time was analyzed with percolation theory, leading to a new method to determine the rheological percolation threshold. A lower threshold value was obtained from the electrical conductivity data, which was justified recalling that the hopping/tunnelling effect takes place in the nanocomposite, as stated by previous studies in the literature. Joule effect studies indicated that the heating effect was very significant, reaching temperature increases, ΔT, of 60 °C for low voltages. For the first time, the percolation equation was applied to the ΔT to obtain the corresponding threshold. Stimulus-responsive systems were conceived considering the correlation between the ΔT and the conductivity. The case of PU/CNT nanocomposites acting as hot melt adhesives that are welded/unglued by applying/removing an electrical voltage is presented.
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Affiliation(s)
- Leire Sangroniz
- POLYMAT and Department of Polymers and Advanced Materials: Physics, Chemistry and Technology, Faculty of Chemistry, University of the Basque Country UPV/EHU, Paseo Manuel de Lardizábal, 3, 20018 Donostia-San Sebastián, Spain; (L.S.); (M.F.)
| | - Maite Landa
- FIBER PROFIL, Calle Bikuña Almirantea, 27, 20230 Legazpi, Gipuzkoa, Spain;
| | - Mercedes Fernández
- POLYMAT and Department of Polymers and Advanced Materials: Physics, Chemistry and Technology, Faculty of Chemistry, University of the Basque Country UPV/EHU, Paseo Manuel de Lardizábal, 3, 20018 Donostia-San Sebastián, Spain; (L.S.); (M.F.)
| | - Antxon Santamaria
- POLYMAT and Department of Polymers and Advanced Materials: Physics, Chemistry and Technology, Faculty of Chemistry, University of the Basque Country UPV/EHU, Paseo Manuel de Lardizábal, 3, 20018 Donostia-San Sebastián, Spain; (L.S.); (M.F.)
- Correspondence:
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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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Zhou J, Cai Q, Xu F. Nanoscale Mechanical Properties and Indentation Recovery of PI@GO Composites Measured Using AFM. Polymers (Basel) 2018; 10:polym10091020. [PMID: 30960945 PMCID: PMC6403599 DOI: 10.3390/polym10091020] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Revised: 09/12/2018] [Accepted: 09/13/2018] [Indexed: 11/28/2022] Open
Abstract
Polyimide@graphene oxide (PI@GO) composites were prepared by way of a simple solution blending method. The nanoscale hardness and Young’s modulus of the composites were measured using nanoindentation based on atomic force microscopy (AFM). A nanoscale hardness of ~0.65 GPa and an elastic modulus of ~6.5 GPa were reached with a load of ~55 μN. The indentation recovery on the surface of PI@GO was evaluated. The results show that relatively low GO content can remarkably improve the nanoscale mechanical properties of PI.
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Affiliation(s)
- Ji Zhou
- College of Civil Engineering, Hunan University of Science and Engineering, Yongzhou 425006, China.
- College of Civil Engineering and Mechanics, Xiangtan University, Xiangtan 411105, China.
| | - Qiang Cai
- College of Civil Engineering and Mechanics, Xiangtan University, Xiangtan 411105, China.
| | - Fu Xu
- College of Civil Engineering and Mechanics, Xiangtan University, Xiangtan 411105, China.
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Nayak L, Rahaman M, Khastgir D, Chaki TK. Thermal degradation kinetics of polyimide nanocomposites from different carbon nanofillers: Applicability of different theoretical models. J Appl Polym Sci 2017. [DOI: 10.1002/app.45862] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Lalatendu Nayak
- Rubber Technology Centre, Indian Institute of Technology Kharagpur; Kharagpur 721302 India
- Phillips Carbon Black Ltd.; Kolkata West Bengal India
| | - Mostafizur Rahaman
- Department of Chemistry, College of Science; King Saud University; Riyadh 11451 Saudi Arabia
| | - Dipak Khastgir
- Rubber Technology Centre, Indian Institute of Technology Kharagpur; Kharagpur 721302 India
| | - Tapan Kumar Chaki
- Rubber Technology Centre, Indian Institute of Technology Kharagpur; Kharagpur 721302 India
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Thomas S, George SC, Thomas S. Evaluation of mechanical, thermal, electrical, and transport properties of MWCNT-filled NR/NBR blend composites. POLYM ENG SCI 2017. [DOI: 10.1002/pen.24653] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Saliney Thomas
- School of Chemical Sciences; Mahatma Gandhi University; Kottayam Kerala 686 560 India
| | - Soney C. George
- Centre for Nanoscience & Technology; Department of Basic Sciences, Amal Jyothi College of Engineering; Kanjirappally Kerala India
| | - Sabu Thomas
- International and Interuniversity Centre for Nanoscience & Technology; Mahatma Gandhi University; Kottayam Kerala 686 560 India
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Balaji S, Balasubramanian R, Rigana M. F, Sarojadevi M. Influence of graphene oxide on thermal, electrical, and morphological properties of new achiral polyimide. POLYM ENG SCI 2017. [DOI: 10.1002/pen.24600] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Sadhasivam Balaji
- Department of Chemistry; Anna University; Chennai 600025 Tamil Nadu India
| | | | - Fathima Rigana M.
- Department of Chemistry; Anna University; Chennai 600025 Tamil Nadu India
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