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Costa NL, Hiranobe CT, Cardim HP, Dognani G, Sanchez JC, Carvalho JAJ, Torres GB, Paim LL, Pinto LF, Cardim GP, Cabrera FC, dos Santos RJ, Silva MJ. A Review of EPDM (Ethylene Propylene Diene Monomer) Rubber-Based Nanocomposites: Properties and Progress. Polymers (Basel) 2024; 16:1720. [PMID: 38932070 PMCID: PMC11207359 DOI: 10.3390/polym16121720] [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: 04/23/2024] [Revised: 06/03/2024] [Accepted: 06/05/2024] [Indexed: 06/28/2024] Open
Abstract
Ethylene propylene diene monomer (EPDM) is a synthetic rubber widely used in industry and commerce due to its high thermal and chemical resistance. Nanotechnology has enabled the incorporation of nanomaterials into polymeric matrixes that maintain their flexibility and conformation, allowing them to achieve properties previously unattainable, such as improved tensile and chemical resistance. In this work, we summarize the influence of different nanostructures on the mechanical, thermal, and electrical properties of EPDM-based materials to keep up with current research and support future research into synthetic rubber nanocomposites.
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Affiliation(s)
- Naiara Lima Costa
- School of Engineering and Science (FEC–UNESP), São Paulo State University, Rosana 19274-000, SP, Brazil; (N.L.C.); (C.T.H.); (H.P.C.); (L.L.P.); (L.F.P.); (G.P.C.); (R.J.d.S.)
- School of Technology and Sciences (FCT–UNESP), São Paulo State University, Presidente Prudente 19060-900, SP, Brazil;
| | - Carlos Toshiyuki Hiranobe
- School of Engineering and Science (FEC–UNESP), São Paulo State University, Rosana 19274-000, SP, Brazil; (N.L.C.); (C.T.H.); (H.P.C.); (L.L.P.); (L.F.P.); (G.P.C.); (R.J.d.S.)
| | - Henrique Pina Cardim
- School of Engineering and Science (FEC–UNESP), São Paulo State University, Rosana 19274-000, SP, Brazil; (N.L.C.); (C.T.H.); (H.P.C.); (L.L.P.); (L.F.P.); (G.P.C.); (R.J.d.S.)
| | - Guilherme Dognani
- School of Technology and Sciences (FCT–UNESP), São Paulo State University, Presidente Prudente 19060-900, SP, Brazil;
| | - Juan Camilo Sanchez
- Mechanical Engineering Department, Pascual Bravo University Institution (IUPB), Medellín 050036, Colombia; (J.C.S.); (J.A.J.C.)
| | | | - Giovanni Barrera Torres
- Industrial Design Engineering Department, Arts and Humanities Faculty, Metropolitan Institute of Technology (ITM), Medellín 050036, Colombia;
| | - Leonardo Lataro Paim
- School of Engineering and Science (FEC–UNESP), São Paulo State University, Rosana 19274-000, SP, Brazil; (N.L.C.); (C.T.H.); (H.P.C.); (L.L.P.); (L.F.P.); (G.P.C.); (R.J.d.S.)
| | - Leandro Ferreira Pinto
- School of Engineering and Science (FEC–UNESP), São Paulo State University, Rosana 19274-000, SP, Brazil; (N.L.C.); (C.T.H.); (H.P.C.); (L.L.P.); (L.F.P.); (G.P.C.); (R.J.d.S.)
| | - Guilherme Pina Cardim
- School of Engineering and Science (FEC–UNESP), São Paulo State University, Rosana 19274-000, SP, Brazil; (N.L.C.); (C.T.H.); (H.P.C.); (L.L.P.); (L.F.P.); (G.P.C.); (R.J.d.S.)
| | - Flávio Camargo Cabrera
- School of Engineering and Science (FEC–UNESP), São Paulo State University, Rosana 19274-000, SP, Brazil; (N.L.C.); (C.T.H.); (H.P.C.); (L.L.P.); (L.F.P.); (G.P.C.); (R.J.d.S.)
| | - Renivaldo José dos Santos
- School of Engineering and Science (FEC–UNESP), São Paulo State University, Rosana 19274-000, SP, Brazil; (N.L.C.); (C.T.H.); (H.P.C.); (L.L.P.); (L.F.P.); (G.P.C.); (R.J.d.S.)
| | - Michael Jones Silva
- School of Engineering and Science (FEC–UNESP), São Paulo State University, Rosana 19274-000, SP, Brazil; (N.L.C.); (C.T.H.); (H.P.C.); (L.L.P.); (L.F.P.); (G.P.C.); (R.J.d.S.)
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Xia W, Anwar A, Wang L, Cao Z, Li B, Nie K, Zhou C, Zhang Y, Han G, Jiang W, Ben H, Zhao T. Microwave-assisted solid-state pretreatment for fabrication of hemp fibres using ethanolamine at low temperature. Carbohydr Polym 2024; 332:121906. [PMID: 38431392 DOI: 10.1016/j.carbpol.2024.121906] [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: 09/27/2023] [Revised: 01/22/2024] [Accepted: 01/31/2024] [Indexed: 03/05/2024]
Abstract
Conventional methods faced challenges in pretreating natural cellulose fibres due to their high energy consumption and large wastewater drainage. This research devised an efficient solid-state pretreatment method for pretreating hemp fibres using ethanolamine (ETA) assisted by microwave (MW) heating. This method produced a notable removal rate of lignin (85.4 %) with the highest cellulose content (83.0 %) at a high solid content (30 %) and low temperature (70 °C). Both FT-IR and XRD analyses indicated that the pretreatment did not alter the structure of cellulose within the hemp fibres but increased crystallinity as the CrI increased from 84 % in raw hemp fibre to 89 % in pretreated fibre. As a result, it produced hemp fibres with impressive fineness (4.6 dtex) and breaking strength (3.81 cN/dtex), meeting the requirement of textile fibre. In addition, an improvement in glucose concentration (15.6 %) was observed in enzymatic hydrolysis of the MW pretreated hemp fibres compared to the fibres pretreated without MW. Furthermore, the FT-IR and NMR data confirmed that the amination of lignin occurred even at low temperature, which contributed to the high lignin removal rate. Thus, this study presents a potentially effective energy-saving, and environmentally sustainable solid-state method for pretreating hemp fibres.
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Affiliation(s)
- Wenying Xia
- College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266000, Shandong, China
| | - Almas Anwar
- College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266000, Shandong, China
| | - Lingyu Wang
- College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266000, Shandong, China
| | - Zhihao Cao
- College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266000, Shandong, China
| | - Boya Li
- College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266000, Shandong, China
| | - Kai Nie
- College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266000, Shandong, China; College of Textile, Donghua University, Shanghai 201620, China
| | - Chengfeng Zhou
- College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266000, Shandong, China
| | - Yuanming Zhang
- College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266000, Shandong, China
| | - Guangting Han
- College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266000, Shandong, China
| | - Wei Jiang
- College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266000, Shandong, China
| | - Haoxi Ben
- College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266000, Shandong, China.
| | - Tao Zhao
- College of Textiles and Clothing, State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266000, Shandong, China.
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Stelescu MD, Airinei A, Bargan A, Fifere N, Georgescu M, Sonmez M, Nituica M, Alexandrescu L, Stefan A. Mechanical Properties and Equilibrium Swelling Characteristics of Some Polymer Composites Based on Ethylene Propylene Diene Terpolymer (EPDM) Reinforced with Hemp Fibers. MATERIALS (BASEL, SWITZERLAND) 2022; 15:6838. [PMID: 36234179 PMCID: PMC9571222 DOI: 10.3390/ma15196838] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 09/22/2022] [Accepted: 09/27/2022] [Indexed: 06/16/2023]
Abstract
EPDM/hemp fiber composites with fiber loading of 0-20 phr were prepared by the blending technique on a laboratory electrically heated roller mill. Test specimens were obtained by vulcanization using a laboratory hydraulic press. The elastomer crosslinking and the chemical modification of the hemp fiber surface were achieved by a radical reaction mechanism initiated by di(tert-butylperoxyisopropyl)benzene. The influence of the fiber loading on the mechanical properties, gel fraction, swelling ratio and crosslink degree was investigated. The gel fraction, crosslink density and rubber-hemp fiber interaction were evaluated based on equilibrium solvent-swelling measurements using the Flory-Rehner relation and Kraus and Lorenz-Park equations. The morphology of the EPDM/hemp fiber composites was analyzed by scanning electron microscopy. The water absorption increases as the hemp fiber loading increases.
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Affiliation(s)
- Maria Daniela Stelescu
- National Research and Development Institute for Textile and Leather, Leather and Footwear Institute, 93 Ion Minulescu Street, 031215 Bucharest, Romania
| | - Anton Airinei
- Petru Poni Institute of Macromolecular Chemistry, 41A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Alexandra Bargan
- Petru Poni Institute of Macromolecular Chemistry, 41A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Nicusor Fifere
- Petru Poni Institute of Macromolecular Chemistry, 41A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Mihai Georgescu
- National Research and Development Institute for Textile and Leather, Leather and Footwear Institute, 93 Ion Minulescu Street, 031215 Bucharest, Romania
| | - Maria Sonmez
- National Research and Development Institute for Textile and Leather, Leather and Footwear Institute, 93 Ion Minulescu Street, 031215 Bucharest, Romania
| | - Mihaela Nituica
- National Research and Development Institute for Textile and Leather, Leather and Footwear Institute, 93 Ion Minulescu Street, 031215 Bucharest, Romania
| | - Laurentia Alexandrescu
- National Research and Development Institute for Textile and Leather, Leather and Footwear Institute, 93 Ion Minulescu Street, 031215 Bucharest, Romania
| | - Adriana Stefan
- National Institute of Aerospace Research “Elie Carafoli”, 220 Iuliu Maniu Blv., 061126 Bucharest, Romania
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Lin M, Zheng Z, Yang L, Luo M, Fu L, Lin B, Xu C. A High-Performance, Sensitive, Wearable Multifunctional Sensor Based on Rubber/CNT for Human Motion and Skin Temperature Detection. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2107309. [PMID: 34648668 DOI: 10.1002/adma.202107309] [Citation(s) in RCA: 114] [Impact Index Per Article: 57.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Indexed: 05/08/2023]
Abstract
Recently, flexible wearable electronic devices have attracted immense interest as an alternative for conventional rigid metallic conductors in personal healthcare monitoring, human motion detection, and sensory skins, owing to their intrinsic characteristics. However, the practical applications of most wearable sensors are generally limited by their poor stretchability and sensitivity, unsatisfactory strength, lower conductivity, and single sensory function. Here a hydrogen bond cross-linked network based on carboxylic styrene butadiene rubber (XSBR) and hydrophilic sericin (SS) non-covalently modified carbon nanotubes (CNTs) is rationally designed and then fabricated into multi-functional sensors. The resultant versatile sensors are able to detect both weak and large deformations, which owns a low detection limit of 1% strain, high stretchability up to 217%, superior strength of 12.58 MPa, high sensitivity with a gauge factor up to 25.98, high conductivity of 0.071 S m-1 , and lower percolation threshold of 0.504 wt%. Moreover, the prepared sensors also possess an impressively thermal response (0.01636 °C-1 ) and realize the application in the measurement of human body temperature. The multifunctional and scalable XSBR/SSCNT sensor with the integrated tracking capabilities of real-time and in situ physiological signals, providing a promising route to develop wearable artificial intelligence in human health and sporting applications.
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Affiliation(s)
- Mengzhuan Lin
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China
| | - Zhongjie Zheng
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China
| | - Li Yang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China
| | - Mingshan Luo
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China
| | - Lihua Fu
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China
| | - Baofeng Lin
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China
| | - Chuanhui Xu
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China
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