|
1
|
Li H, Li YQ, You Y, Xie HB. High-Performance One-Component Epoxy Adhesive Based on the Synergistic Effect of Lignin-Derived Triaryl-Imidazole and Phytic Acid. ACS Macro Lett 2024; 13:775-780. [PMID: 38832802 DOI: 10.1021/acsmacrolett.4c00247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2024]
Abstract
Latent curing agents are essential in the formulation of one-component epoxy resins, yet they are seldom derived from fully biobased chemicals. In the present work, a fully biobased latent curing agent for epoxy resins (BIMPA) was produced by synthesizing an ionic complex of lignin-derived triaryl-imidazole (BIM) and phytic acid (PA). Benefiting from the synergistic effect of BIM and PA, the one-component epoxy resin, composed of BIMPA and commercially available E51, exhibits a storage stability of over 90 days. Upon heating, the ionic complex undergoes decomposition, liberating the active imidazole to cure the precursor. The resulting epoxy resins exhibited a flexural modulus of 3.09 GPa, a flexural strength of 107.47 MPa, a notched izod impact strength of 2.47 kJ/m3, and a shear strength of 41.02 MPa. The outcome can provide an effective supplement for the development of biobased epoxy resins.
Collapse
Affiliation(s)
- Hai Li
- Department of Polymeric Materials and Engineering, College of Materials and Metallurgy, Guizhou University, West Campus, Huaxi District, Guiyang 550025, P. R. China
| | - Yun Qi Li
- Department of Polymeric Materials and Engineering, College of Materials and Metallurgy, Guizhou University, West Campus, Huaxi District, Guiyang 550025, P. R. China
| | - Yang You
- Department of Polymeric Materials and Engineering, College of Materials and Metallurgy, Guizhou University, West Campus, Huaxi District, Guiyang 550025, P. R. China
| | - Hai Bo Xie
- Department of Polymeric Materials and Engineering, College of Materials and Metallurgy, Guizhou University, West Campus, Huaxi District, Guiyang 550025, P. R. China
| |
Collapse
|
|
2
|
You Y, Wang Z, Chen Q, Li H, Jin L, Ma K, Huang C, Xie H. Robust Vanillin-Derived Poly(thioether imidazoles) as Both a Latent Curing and Toughening Agent for One-Component Epoxy Resins. ACS Macro Lett 2023; 12:1151-1158. [PMID: 37505463 DOI: 10.1021/acsmacrolett.3c00400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/29/2023]
Abstract
One-component epoxy resins based on latent curing agents have garnered research attention owing to their outstanding storage stability and excellent processability, while their development considerably depends on the design and preparation of sustainable latent curing agents. Herein, taking structural advantage of lignin-derived vanillin, a biobased polymerizable aromatic imidazole monomer with α,ω-diene functionality was designed and prepared, which was applicable in subsequent thiol-ene polymerization, yielding a series of robust poly(thioether imidazoles) with excellent tunability of the structure and properties. The findings indicated that the precursors comprising poly(thioether imidazole) and commercially available epoxy resins could keep their fluidity at 25 °C for over 90 days and rapidly cured into resins under elevated temperature, demonstrating that the poly(thioether imidazole) can serve as both a latent curing and toughening agent for one-component epoxy resins because of homopolymerization initiated by imidazole groups and the introduction of an aliphatic chain in the as-prepared poly(thioether imidazole) matrix.
Collapse
Affiliation(s)
- Yang You
- Department of Polymeric Materials & Engineering, College of Materials & Metallurgy, Guizhou University, West Campus, Huaxi District, Guiyang 550025, P. R. China
| | - Zhelin Wang
- Department of Polymeric Materials & Engineering, College of Materials & Metallurgy, Guizhou University, West Campus, Huaxi District, Guiyang 550025, P. R. China
| | - Qin Chen
- Department of Polymeric Materials & Engineering, College of Materials & Metallurgy, Guizhou University, West Campus, Huaxi District, Guiyang 550025, P. R. China
| | - Hai Li
- Department of Polymeric Materials & Engineering, College of Materials & Metallurgy, Guizhou University, West Campus, Huaxi District, Guiyang 550025, P. R. China
| | - Longming Jin
- Department of Polymeric Materials & Engineering, College of Materials & Metallurgy, Guizhou University, West Campus, Huaxi District, Guiyang 550025, P. R. China
| | - Kai Ma
- School of Chemical Engineering, Guizhou Minzu University, Guiyang 550025, P. R. China
| | - Caijuan Huang
- Department of Polymeric Materials & Engineering, College of Materials & Metallurgy, Guizhou University, West Campus, Huaxi District, Guiyang 550025, P. R. China
| | - Haibo Xie
- Department of Polymeric Materials & Engineering, College of Materials & Metallurgy, Guizhou University, West Campus, Huaxi District, Guiyang 550025, P. R. China
| |
Collapse
|
|
3
|
Zhu S, Zheng T, Li F, Wang L, Jiang Q, Wei Y, Liu W. Synthesis of cyclotriphosphazene‐containing imidazole as a thermally latent hardener for epoxy resins and its application in carbon fiber reinforced composites. J Appl Polym Sci 2022. [DOI: 10.1002/app.52980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Siyao Zhu
- Shanghai Key Laboratory of Lightweight Composite, Center for Civil Aviation Composites, Shanghai High Performance Fibers and Composites Center (Province‐Ministry Joint) Donghua University Shanghai China
- Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles Donghua University Shanghai China
| | - Tongtong Zheng
- Shanghai Key Laboratory of Lightweight Composite, Center for Civil Aviation Composites, Shanghai High Performance Fibers and Composites Center (Province‐Ministry Joint) Donghua University Shanghai China
- Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles Donghua University Shanghai China
| | - Fan Li
- Research and Development Department Shanghai Yong Li Belting Co. Ltd Shanghai China
| | - Li Wang
- Research and Development Department Shanghai Yong Li Belting Co. Ltd Shanghai China
| | - Qiuran Jiang
- Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles Donghua University Shanghai China
| | - Yi Wei
- Shanghai Key Laboratory of Lightweight Composite, Center for Civil Aviation Composites, Shanghai High Performance Fibers and Composites Center (Province‐Ministry Joint) Donghua University Shanghai China
| | - Wanshuang Liu
- Shanghai Key Laboratory of Lightweight Composite, Center for Civil Aviation Composites, Shanghai High Performance Fibers and Composites Center (Province‐Ministry Joint) Donghua University Shanghai China
| |
Collapse
|
|
4
|
Manarin E, Corsini F, Trano S, Fagiolari L, Amici J, Francia C, Bodoardo S, Turri S, Bella F, Griffini G. Cardanol-Derived Epoxy Resins as Biobased Gel Polymer Electrolytes for Potassium-Ion Conduction. ACS APPLIED POLYMER MATERIALS 2022; 4:3855-3865. [PMID: 35601462 PMCID: PMC9112699 DOI: 10.1021/acsapm.2c00335] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 04/20/2022] [Indexed: 05/04/2023]
Abstract
In this study, biobased gel polymer electrolyte (GPE) membranes were developed via the esterification reaction of a cardanol-based epoxy resin with glutaric anhydride, succinic anhydride, and hexahydro-4-methylphthalic anhydride. Nonisothermal differential scanning calorimetry was used to assess the optimal curing time and temperature of the formulations, evidencing a process activation energy of ∼65-70 kJ mol-1. A rubbery plateau modulus of 0.65-0.78 MPa and a crosslinking density of 2 × 10-4 mol cm-3 were found through dynamic mechanical analysis. Based on these characteristics, such biobased membranes were tested for applicability as GPEs for potassium-ion batteries (KIBs), showing an excellent electrochemical stability toward potassium metal in the -0.2-5 V voltage range and suitable ionic conductivity (10-3 S cm-1) at room temperature. This study demonstrates the practical viability of these biobased materials as efficient GPEs for the fabrication of KIBs, paving the path to increased sustainability in the field of next-generation battery technologies.
Collapse
Affiliation(s)
- Eleonora Manarin
- Department
of Chemistry, Materials and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milano, Italy
| | - Francesca Corsini
- Department
of Chemistry, Materials and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milano, Italy
| | - Sabrina Trano
- Department
of Applied Science and Technology, Politecnico
di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
| | - Lucia Fagiolari
- Department
of Applied Science and Technology, Politecnico
di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
| | - Julia Amici
- Department
of Applied Science and Technology, Politecnico
di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
| | - Carlotta Francia
- Department
of Applied Science and Technology, Politecnico
di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
| | - Silvia Bodoardo
- Department
of Applied Science and Technology, Politecnico
di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
| | - Stefano Turri
- Department
of Chemistry, Materials and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milano, Italy
| | - Federico Bella
- Department
of Applied Science and Technology, Politecnico
di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
| | - Gianmarco Griffini
- Department
of Chemistry, Materials and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milano, Italy
| |
Collapse
|
|
5
|
Liu Y, Lu F, Wan J, Yang L, Huang YD, Hu Z. Recyclable Tough Thermoset with Imide-Hexahydrotriazine Structure. Polym Chem 2022. [DOI: 10.1039/d2py00200k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Developing sustainable thermosets is regarded as a major approach to cope with environmental pollution and resource waste, but it still remains a challenge to design recyclable thermosets with exceptional comprehensive...
Collapse
|