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Jiang J, Wang Z, Sun Y, Qian Z, Cao Z, Wang Z, Zhou G. Amorphous Poly (Aryl Ether Ketones) Containing Methylene Groups with Excellent Thermal Resistance, Dielectric Properties and Mechanical Performance. Polymers (Basel) 2023; 15:4330. [PMID: 37960010 PMCID: PMC10650800 DOI: 10.3390/polym15214330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 09/14/2023] [Accepted: 09/15/2023] [Indexed: 11/15/2023] Open
Abstract
Low-dielectric constant polymers are widely used in various microelectronic materials. With the development of 5G communication technology, there is an urgent need for polymer materials with low dielectric constant at high frequency, good thermal resistance, and mechanical properties. In this study, four novel poly (aryl ether ketone) (PAEK) containing different numbers of methylene groups were synthesized via nucleophilic polycondensation reaction. At 10 GHz, these polymer films exhibit excellent dielectric properties with dielectric constants as low as 2.76. The relationship between the dielectric constant and the number of methylene groups is illustrated by constructing the amorphous accumulation cell model. In addition, methylene groups provided the polymer with favorable mechanical performance, including Young's modulus in the range of 2.17-2.21 GPa, the tensile strength from 82.0 to 88.5 MPa and the elongation at the break achieved 7.94%, respectively. Simultaneously, the polymer maintains good thermal resistance with a glass transition temperature (Tg) reaching 216 °C. The result indicates that the obtained novel PAEK is potentially valuable in the field of high-frequency communications.
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Affiliation(s)
- Jingwei Jiang
- Division of Energy Materials (DNL22), Dalian Institute of Chemical Physics of the Chinese Academy of Sciences, Dalian 116023, China; (J.J.); (Y.S.); (Z.Q.); (Z.C.)
- School of Textile and Material Engineering, Dalian Polytechnic University, Dalian 116034, China;
| | - Zhichao Wang
- School of Textile and Material Engineering, Dalian Polytechnic University, Dalian 116034, China;
| | - Yunlong Sun
- Division of Energy Materials (DNL22), Dalian Institute of Chemical Physics of the Chinese Academy of Sciences, Dalian 116023, China; (J.J.); (Y.S.); (Z.Q.); (Z.C.)
| | - Zengxu Qian
- Division of Energy Materials (DNL22), Dalian Institute of Chemical Physics of the Chinese Academy of Sciences, Dalian 116023, China; (J.J.); (Y.S.); (Z.Q.); (Z.C.)
| | - Zengwen Cao
- Division of Energy Materials (DNL22), Dalian Institute of Chemical Physics of the Chinese Academy of Sciences, Dalian 116023, China; (J.J.); (Y.S.); (Z.Q.); (Z.C.)
| | - Zhipeng Wang
- Division of Energy Materials (DNL22), Dalian Institute of Chemical Physics of the Chinese Academy of Sciences, Dalian 116023, China; (J.J.); (Y.S.); (Z.Q.); (Z.C.)
| | - Guangyuan Zhou
- Division of Energy Materials (DNL22), Dalian Institute of Chemical Physics of the Chinese Academy of Sciences, Dalian 116023, China; (J.J.); (Y.S.); (Z.Q.); (Z.C.)
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Ban T, Guo M, Wang Y, Zhang Y, Zhu X. High-performance aromatic proton exchange membranes bearing multiple flexible pendant sulfonate groups: Exploring side chain length and main chain polarity. J Memb Sci 2023. [DOI: 10.1016/j.memsci.2022.121255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
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Xu PQ, Zhang SH, Liu Q, Wu KW, Wang DH, Wang ZQ, Liu ZY, Zhang YN, Jian XG. Polyarylates containing phthalazinone moieties with excellent thermal resistance. HIGH PERFORM POLYM 2023. [DOI: 10.1177/09540083231155067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Polyarylates containing phthalazinone moieties are synthesized by interfacial polymerization of 2,4-(4-hydroxyphenyl)-2,3-phthalazin-1-one with isophthaloyl dichloride (IPC) and terephthaloyl dichloride (TPC). The effects of organic solvents and phase transfer catalysts (PTC) on the intrinsic viscosity ( η int) are systematically investigated for polymers with η int up to 1.52 dL g−1. The polyarylate has a high η int with 1,2-dichloroethane and cetyltrimethylammonium bromide used as the organic phase solvent and PTC. It is found that polyarylates prepared from BPPZ with IPC and TPC have excellent thermal resistance, with glass transition temperatures of 292 and 337°C, respectively. The polyarylates exhibit excellent thermal stability with 5% mass-loss temperature above 469°C in both N2 and air, and residual mass ratios at 800°C in N2 and air above 54.1% and 4.0%, respectively.
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Affiliation(s)
- Pei-qi Xu
- State Key Laboratory of Fine Chemicals, Liaoning Province Technology Innovation Center of High Performance Resin Materials, Liaoning Key Laboratory of Polymer Science and Engineering, Dalian Key Laboratory of Membrane Materials and Processes, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, PR China
| | - Shou-hai Zhang
- State Key Laboratory of Fine Chemicals, Liaoning Province Technology Innovation Center of High Performance Resin Materials, Liaoning Key Laboratory of Polymer Science and Engineering, Dalian Key Laboratory of Membrane Materials and Processes, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, PR China
| | - Qian Liu
- State Key Laboratory of Fine Chemicals, Liaoning Province Technology Innovation Center of High Performance Resin Materials, Liaoning Key Laboratory of Polymer Science and Engineering, Dalian Key Laboratory of Membrane Materials and Processes, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, PR China
| | - Kai-wen Wu
- State Key Laboratory of Fine Chemicals, Liaoning Province Technology Innovation Center of High Performance Resin Materials, Liaoning Key Laboratory of Polymer Science and Engineering, Dalian Key Laboratory of Membrane Materials and Processes, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, PR China
| | - Dan-hui Wang
- State Key Laboratory of Fine Chemicals, Liaoning Province Technology Innovation Center of High Performance Resin Materials, Liaoning Key Laboratory of Polymer Science and Engineering, Dalian Key Laboratory of Membrane Materials and Processes, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, PR China
| | - Zhao-qi Wang
- State Key Laboratory of Fine Chemicals, Liaoning Province Technology Innovation Center of High Performance Resin Materials, Liaoning Key Laboratory of Polymer Science and Engineering, Dalian Key Laboratory of Membrane Materials and Processes, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, PR China
| | - Ze-yuan Liu
- State Key Laboratory of Fine Chemicals, Liaoning Province Technology Innovation Center of High Performance Resin Materials, Liaoning Key Laboratory of Polymer Science and Engineering, Dalian Key Laboratory of Membrane Materials and Processes, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, PR China
| | - Ying-nan Zhang
- State Key Laboratory of Fine Chemicals, Liaoning Province Technology Innovation Center of High Performance Resin Materials, Liaoning Key Laboratory of Polymer Science and Engineering, Dalian Key Laboratory of Membrane Materials and Processes, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, PR China
| | - Xi-gao Jian
- State Key Laboratory of Fine Chemicals, Liaoning Province Technology Innovation Center of High Performance Resin Materials, Liaoning Key Laboratory of Polymer Science and Engineering, Dalian Key Laboratory of Membrane Materials and Processes, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, PR China
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Liu X, Zhang X, Jiang J, Jia H, Jian X, Wang J. Synthesis and Characterization of a Self-Polycondensation Diazaphthalanone Monomer and Its Polymers from Polycondensation Reactions. Polymers (Basel) 2022; 14:polym14183904. [PMID: 36146049 PMCID: PMC9502096 DOI: 10.3390/polym14183904] [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: 08/19/2022] [Revised: 09/03/2022] [Accepted: 09/06/2022] [Indexed: 11/16/2022] Open
Abstract
Polyether ketone (PEK) plastics are linear thermoplastic polymers connected by at least one ether bond and at least one ketone bond on the aryl group. The reason for their excellent heat resistance, rigidity, and mechanical strength is that their main molecular chain contains plenty of aromatic rings and polar carbonyl groups, and their molecular chain presents a large rigidity and strong intermolecular force. In addition, the main chain contains a considerable number of ether bonds, resulting in a certain toughness. However, polyether ketone materials have the disadvantage of poor solubility because of their excellent rigidity. To improve the solubility of polyether ketone, the preparation method of a novel nitrogenous heterocyclic polyaromatic ether monomer, 2-(4-chlorophenyl)-2,3-dihydrophthalazine-1,4-dione (CDD), was proposed, and its activity of polymerization was studied. The average molecular weight of the poly(aryl ether ketone) containing a nitrogenous heterocyclic polyaromatic ether group obtained by self-polycondensation of CDD was 4.181 × 103 kg/mol, and the yield was 90.5%. In order to further explore the activity of monomers, novel copolymerized poly(aryl ether ketone) (PBCD) containing a nitrogenous heterocyclic polyaromatic ether structure was prepared by ternary copolymerization with 4,4-difluorobenzophenone (DFBP) and bisphenol fluorene (BHPF) with high activity. The average molecular weight of PBCD was 72.793 × 103 kg/mol, the molecular weight distribution was 2.344, and the yield was 88.1%. Fourier transform infrared spectroscopy (FT-IR) and 1H NMR were used to confirm the structure of the obtained polymer. Through thermogravimetric analysis (TGA), the determined weight loss temperature of 5% under nitrogen was higher than 500 °C, indicating excellent thermal stability. Compared with the solubility of the binary copolymer containing fluorenyl poly(aryl ether ketone) (PBD), the polymer showed reasonable solubility in selective solvents such as chloroform and N,N-dimethylacetamide.
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Affiliation(s)
- Xin Liu
- College of Materials Science and Engineering, Qiqihar University, Wenhua Street 42, Qiqihar 161006, China
| | - Xiaozhou Zhang
- College of Materials Science and Engineering, Qiqihar University, Wenhua Street 42, Qiqihar 161006, China
- Heilongjiang Province Key Laboratory of Polymeric Composition Material, Qiqihar 161006, China
- Correspondence:
| | - Jiawei Jiang
- College of Materials Science and Engineering, Qiqihar University, Wenhua Street 42, Qiqihar 161006, China
| | - Hongge Jia
- College of Materials Science and Engineering, Qiqihar University, Wenhua Street 42, Qiqihar 161006, China
- Heilongjiang Province Key Laboratory of Polymeric Composition Material, Qiqihar 161006, China
| | - Xigao Jian
- Department of Polymer Science & Engineering, Dalian University of Technology, Dalian 116024, China
| | - Jinyan Wang
- Department of Polymer Science & Engineering, Dalian University of Technology, Dalian 116024, China
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Wu K, Zhang S, Liu Q, Xu P, Zhang J, Wang D, Zhuo L, Jian X. Poly(arylene ether sulfone) containing diphenyl-biphthalazin-dione moieties with excellent thermal resistance. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.124653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Liu Q, Zhang S, Wang Z, Han J, Song C, Xu P, Wang X, Fu S, Jian X. Investigation into the performance decay of proton-exchange membranes based on sulfonated heterocyclic poly(aryl ether ketone)s in Fenton's reagent. Phys Chem Chem Phys 2022; 24:1760-1769. [PMID: 34985063 DOI: 10.1039/d1cp04531h] [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
Sulfonated N-heterocyclic poly(aryl ether) proton-exchange membranes have potential applications in the fuel-cell field due to their favorable proton conduction capacity and stability. This paper investigates the changes in mass and performance decay, such as proton conduction and mechanical strength, of sulfonated poly(ether ether ketone)s (SPEEKs) and three sulfonated N-heterocyclic poly(aryl ether ketone) (SPPEK, SPBPEK-P-8, and SPPEKK-P) membranes in Fenton's oxidative experiment. The SPEEK membrane exhibited the worst oxidative stability. The oxidative stability of the SPPEK membrane is enhanced due to the introduction of phthalazinone units in the chains. The SPPEKK-P and SPBPEK-P-8 membranes exhibit better radical tolerance than the SPPEK membrane, with proton conductivity retention rates of 66% and 73% for 1 h oxidative treatment, respectively. In addition, the molecular chains of SPPEKK-P and SPBPEK-P-8 exhibit relatively little disruption. The pendant benzenesulfonic groups enhance the steric effects for reducing radical attacks on the ether bonds and reduce the hydration of molecular chains. The introduction of phthalazinone units decreases the rupture points in the main chain. Therefore, the radical tolerance of the membranes is improved. These results provide a reference for the design of highly stable sulfonated heterocyclic poly(aryl ether) membranes.
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Affiliation(s)
- Qian Liu
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Liaoning High-Performance Polymer Engineering Research Center, Dalian Key Laboratory of Membrane Materials and Membrane Processes, Dalian, 116024, China.
| | - Shouhai Zhang
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Liaoning High-Performance Polymer Engineering Research Center, Dalian Key Laboratory of Membrane Materials and Membrane Processes, Dalian, 116024, China.
| | - Zhaoqi Wang
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Liaoning High-Performance Polymer Engineering Research Center, Dalian Key Laboratory of Membrane Materials and Membrane Processes, Dalian, 116024, China.
| | - Jianhua Han
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Liaoning High-Performance Polymer Engineering Research Center, Dalian Key Laboratory of Membrane Materials and Membrane Processes, Dalian, 116024, China.
| | - Ce Song
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Liaoning High-Performance Polymer Engineering Research Center, Dalian Key Laboratory of Membrane Materials and Membrane Processes, Dalian, 116024, China.
| | - Peiqi Xu
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Liaoning High-Performance Polymer Engineering Research Center, Dalian Key Laboratory of Membrane Materials and Membrane Processes, Dalian, 116024, China.
| | - Xu Wang
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Liaoning High-Performance Polymer Engineering Research Center, Dalian Key Laboratory of Membrane Materials and Membrane Processes, Dalian, 116024, China.
| | - Shaokui Fu
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Liaoning High-Performance Polymer Engineering Research Center, Dalian Key Laboratory of Membrane Materials and Membrane Processes, Dalian, 116024, China.
| | - Xigao Jian
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Liaoning High-Performance Polymer Engineering Research Center, Dalian Key Laboratory of Membrane Materials and Membrane Processes, Dalian, 116024, China.
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Liu Q, Li X, Zhang S, Wang Z, Chen Y, Zhou S, Wang C, Wu K, Liu J, Mao Q, Jian X. Novel sulfonated N-heterocyclic poly(aryl ether ketone ketone)s with pendant phenyl groups for proton exchange membrane performing enhanced oxidative stability and excellent fuel cell properties. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2021.119926] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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