Processable polyimide resins and their composites for long-term application at 300 ℃
A series of processable and high-temperature resistant polyimide resins terminated with 4-phenylethynyl phthalic anhydride were synthesized by PMR (for in situ polymerization of monomer reactants) using isopropyl alcohol as esterifying agent. The resin solution stored at room temperature for sixteen...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
HU Hai [verfasserIn] MENG Xiangsheng [verfasserIn] KE Hongjun [verfasserIn] WANG Xianwei [verfasserIn] LI Xianming [verfasserIn] GONG Dirong [verfasserIn] WANG Zhen [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Chinesisch |
| Erschienen: |
2023 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
In: Cailiao gongcheng ; 51(2023), 9, Seite 183-191 volume:51 ; year:2023 ; number:9 ; pages:183-191 |
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| Links: |
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| DOI / URN: |
10.11868/j.issn.1001-4381.2022.000828 |
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| Katalog-ID: |
DOAJ095987398 |
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| 520 | |a A series of processable and high-temperature resistant polyimide resins terminated with 4-phenylethynyl phthalic anhydride were synthesized by PMR (for in situ polymerization of monomer reactants) using isopropyl alcohol as esterifying agent. The resin solution stored at room temperature for sixteen weeks has no solid precipitation, and the viscosity of the solution does not change significantly, which shows good storage stability at room temperature. The minimum melt viscosity of the imide oligomers is less than 300 Pa·s, which is suitable for compression moulding or autoclaved process. The cured polyimides exhibit extremely high glass transition temperatures (Tg) up to 462℃. The flexural strength and modulus of T300/PMR-PE-2 carbon fiber composite are 963 MPa and 53 GPa, respectively. The inter-laminar shear strength of the composite is 56 MPa. Moreover, the composite can maintain no lower than 66% of their room temperature mechanical properties at 300℃. After isothermal aging in air atmosphere for 500 h at 300℃, the mass loss of the composite is only 0.96%, meanwhile, the composite retention rate maintains 72% of its room temperature flexural strength and 98% of its room temperature inter-laminar shear strength, which demonstrates its excellent thermal-oxidative aging resistance. | ||
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10.11868/j.issn.1001-4381.2022.000828 doi (DE-627)DOAJ095987398 (DE-599)DOAJf8b4bae118d0469fb1882825177a5854 DE-627 ger DE-627 rakwb chi TA401-492 HU Hai verfasserin aut Processable polyimide resins and their composites for long-term application at 300 ℃ 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A series of processable and high-temperature resistant polyimide resins terminated with 4-phenylethynyl phthalic anhydride were synthesized by PMR (for in situ polymerization of monomer reactants) using isopropyl alcohol as esterifying agent. The resin solution stored at room temperature for sixteen weeks has no solid precipitation, and the viscosity of the solution does not change significantly, which shows good storage stability at room temperature. The minimum melt viscosity of the imide oligomers is less than 300 Pa·s, which is suitable for compression moulding or autoclaved process. The cured polyimides exhibit extremely high glass transition temperatures (Tg) up to 462℃. The flexural strength and modulus of T300/PMR-PE-2 carbon fiber composite are 963 MPa and 53 GPa, respectively. The inter-laminar shear strength of the composite is 56 MPa. Moreover, the composite can maintain no lower than 66% of their room temperature mechanical properties at 300℃. After isothermal aging in air atmosphere for 500 h at 300℃, the mass loss of the composite is only 0.96%, meanwhile, the composite retention rate maintains 72% of its room temperature flexural strength and 98% of its room temperature inter-laminar shear strength, which demonstrates its excellent thermal-oxidative aging resistance. processable high temperature resistance polyimide resin carbon fiber composite isothermal aging Materials of engineering and construction. Mechanics of materials MENG Xiangsheng verfasserin aut KE Hongjun verfasserin aut WANG Xianwei verfasserin aut LI Xianming verfasserin aut GONG Dirong verfasserin aut WANG Zhen verfasserin aut In Cailiao gongcheng 51(2023), 9, Seite 183-191 volume:51 year:2023 number:9 pages:183-191 https://doi.org/10.11868/j.issn.1001-4381.2022.000828 kostenfrei https://doaj.org/article/f8b4bae118d0469fb1882825177a5854 kostenfrei http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2022.000828 kostenfrei https://doaj.org/toc/1001-4381 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ AR 51 2023 9 183-191 |
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10.11868/j.issn.1001-4381.2022.000828 doi (DE-627)DOAJ095987398 (DE-599)DOAJf8b4bae118d0469fb1882825177a5854 DE-627 ger DE-627 rakwb chi TA401-492 HU Hai verfasserin aut Processable polyimide resins and their composites for long-term application at 300 ℃ 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A series of processable and high-temperature resistant polyimide resins terminated with 4-phenylethynyl phthalic anhydride were synthesized by PMR (for in situ polymerization of monomer reactants) using isopropyl alcohol as esterifying agent. The resin solution stored at room temperature for sixteen weeks has no solid precipitation, and the viscosity of the solution does not change significantly, which shows good storage stability at room temperature. The minimum melt viscosity of the imide oligomers is less than 300 Pa·s, which is suitable for compression moulding or autoclaved process. The cured polyimides exhibit extremely high glass transition temperatures (Tg) up to 462℃. The flexural strength and modulus of T300/PMR-PE-2 carbon fiber composite are 963 MPa and 53 GPa, respectively. The inter-laminar shear strength of the composite is 56 MPa. Moreover, the composite can maintain no lower than 66% of their room temperature mechanical properties at 300℃. After isothermal aging in air atmosphere for 500 h at 300℃, the mass loss of the composite is only 0.96%, meanwhile, the composite retention rate maintains 72% of its room temperature flexural strength and 98% of its room temperature inter-laminar shear strength, which demonstrates its excellent thermal-oxidative aging resistance. processable high temperature resistance polyimide resin carbon fiber composite isothermal aging Materials of engineering and construction. Mechanics of materials MENG Xiangsheng verfasserin aut KE Hongjun verfasserin aut WANG Xianwei verfasserin aut LI Xianming verfasserin aut GONG Dirong verfasserin aut WANG Zhen verfasserin aut In Cailiao gongcheng 51(2023), 9, Seite 183-191 volume:51 year:2023 number:9 pages:183-191 https://doi.org/10.11868/j.issn.1001-4381.2022.000828 kostenfrei https://doaj.org/article/f8b4bae118d0469fb1882825177a5854 kostenfrei http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2022.000828 kostenfrei https://doaj.org/toc/1001-4381 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ AR 51 2023 9 183-191 |
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10.11868/j.issn.1001-4381.2022.000828 doi (DE-627)DOAJ095987398 (DE-599)DOAJf8b4bae118d0469fb1882825177a5854 DE-627 ger DE-627 rakwb chi TA401-492 HU Hai verfasserin aut Processable polyimide resins and their composites for long-term application at 300 ℃ 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A series of processable and high-temperature resistant polyimide resins terminated with 4-phenylethynyl phthalic anhydride were synthesized by PMR (for in situ polymerization of monomer reactants) using isopropyl alcohol as esterifying agent. The resin solution stored at room temperature for sixteen weeks has no solid precipitation, and the viscosity of the solution does not change significantly, which shows good storage stability at room temperature. The minimum melt viscosity of the imide oligomers is less than 300 Pa·s, which is suitable for compression moulding or autoclaved process. The cured polyimides exhibit extremely high glass transition temperatures (Tg) up to 462℃. The flexural strength and modulus of T300/PMR-PE-2 carbon fiber composite are 963 MPa and 53 GPa, respectively. The inter-laminar shear strength of the composite is 56 MPa. Moreover, the composite can maintain no lower than 66% of their room temperature mechanical properties at 300℃. After isothermal aging in air atmosphere for 500 h at 300℃, the mass loss of the composite is only 0.96%, meanwhile, the composite retention rate maintains 72% of its room temperature flexural strength and 98% of its room temperature inter-laminar shear strength, which demonstrates its excellent thermal-oxidative aging resistance. processable high temperature resistance polyimide resin carbon fiber composite isothermal aging Materials of engineering and construction. Mechanics of materials MENG Xiangsheng verfasserin aut KE Hongjun verfasserin aut WANG Xianwei verfasserin aut LI Xianming verfasserin aut GONG Dirong verfasserin aut WANG Zhen verfasserin aut In Cailiao gongcheng 51(2023), 9, Seite 183-191 volume:51 year:2023 number:9 pages:183-191 https://doi.org/10.11868/j.issn.1001-4381.2022.000828 kostenfrei https://doaj.org/article/f8b4bae118d0469fb1882825177a5854 kostenfrei http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2022.000828 kostenfrei https://doaj.org/toc/1001-4381 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ AR 51 2023 9 183-191 |
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10.11868/j.issn.1001-4381.2022.000828 doi (DE-627)DOAJ095987398 (DE-599)DOAJf8b4bae118d0469fb1882825177a5854 DE-627 ger DE-627 rakwb chi TA401-492 HU Hai verfasserin aut Processable polyimide resins and their composites for long-term application at 300 ℃ 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A series of processable and high-temperature resistant polyimide resins terminated with 4-phenylethynyl phthalic anhydride were synthesized by PMR (for in situ polymerization of monomer reactants) using isopropyl alcohol as esterifying agent. The resin solution stored at room temperature for sixteen weeks has no solid precipitation, and the viscosity of the solution does not change significantly, which shows good storage stability at room temperature. The minimum melt viscosity of the imide oligomers is less than 300 Pa·s, which is suitable for compression moulding or autoclaved process. The cured polyimides exhibit extremely high glass transition temperatures (Tg) up to 462℃. The flexural strength and modulus of T300/PMR-PE-2 carbon fiber composite are 963 MPa and 53 GPa, respectively. The inter-laminar shear strength of the composite is 56 MPa. Moreover, the composite can maintain no lower than 66% of their room temperature mechanical properties at 300℃. After isothermal aging in air atmosphere for 500 h at 300℃, the mass loss of the composite is only 0.96%, meanwhile, the composite retention rate maintains 72% of its room temperature flexural strength and 98% of its room temperature inter-laminar shear strength, which demonstrates its excellent thermal-oxidative aging resistance. processable high temperature resistance polyimide resin carbon fiber composite isothermal aging Materials of engineering and construction. Mechanics of materials MENG Xiangsheng verfasserin aut KE Hongjun verfasserin aut WANG Xianwei verfasserin aut LI Xianming verfasserin aut GONG Dirong verfasserin aut WANG Zhen verfasserin aut In Cailiao gongcheng 51(2023), 9, Seite 183-191 volume:51 year:2023 number:9 pages:183-191 https://doi.org/10.11868/j.issn.1001-4381.2022.000828 kostenfrei https://doaj.org/article/f8b4bae118d0469fb1882825177a5854 kostenfrei http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2022.000828 kostenfrei https://doaj.org/toc/1001-4381 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ AR 51 2023 9 183-191 |
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Processable polyimide resins and their composites for long-term application at 300 ℃ |
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HU Hai |
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Cailiao gongcheng |
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HU Hai MENG Xiangsheng KE Hongjun WANG Xianwei LI Xianming GONG Dirong WANG Zhen |
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TA401-492 |
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Elektronische Aufsätze |
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HU Hai |
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10.11868/j.issn.1001-4381.2022.000828 |
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verfasserin |
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processable polyimide resins and their composites for long-term application at 300 ℃ |
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TA401-492 |
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Processable polyimide resins and their composites for long-term application at 300 ℃ |
| abstract |
A series of processable and high-temperature resistant polyimide resins terminated with 4-phenylethynyl phthalic anhydride were synthesized by PMR (for in situ polymerization of monomer reactants) using isopropyl alcohol as esterifying agent. The resin solution stored at room temperature for sixteen weeks has no solid precipitation, and the viscosity of the solution does not change significantly, which shows good storage stability at room temperature. The minimum melt viscosity of the imide oligomers is less than 300 Pa·s, which is suitable for compression moulding or autoclaved process. The cured polyimides exhibit extremely high glass transition temperatures (Tg) up to 462℃. The flexural strength and modulus of T300/PMR-PE-2 carbon fiber composite are 963 MPa and 53 GPa, respectively. The inter-laminar shear strength of the composite is 56 MPa. Moreover, the composite can maintain no lower than 66% of their room temperature mechanical properties at 300℃. After isothermal aging in air atmosphere for 500 h at 300℃, the mass loss of the composite is only 0.96%, meanwhile, the composite retention rate maintains 72% of its room temperature flexural strength and 98% of its room temperature inter-laminar shear strength, which demonstrates its excellent thermal-oxidative aging resistance. |
| abstractGer |
A series of processable and high-temperature resistant polyimide resins terminated with 4-phenylethynyl phthalic anhydride were synthesized by PMR (for in situ polymerization of monomer reactants) using isopropyl alcohol as esterifying agent. The resin solution stored at room temperature for sixteen weeks has no solid precipitation, and the viscosity of the solution does not change significantly, which shows good storage stability at room temperature. The minimum melt viscosity of the imide oligomers is less than 300 Pa·s, which is suitable for compression moulding or autoclaved process. The cured polyimides exhibit extremely high glass transition temperatures (Tg) up to 462℃. The flexural strength and modulus of T300/PMR-PE-2 carbon fiber composite are 963 MPa and 53 GPa, respectively. The inter-laminar shear strength of the composite is 56 MPa. Moreover, the composite can maintain no lower than 66% of their room temperature mechanical properties at 300℃. After isothermal aging in air atmosphere for 500 h at 300℃, the mass loss of the composite is only 0.96%, meanwhile, the composite retention rate maintains 72% of its room temperature flexural strength and 98% of its room temperature inter-laminar shear strength, which demonstrates its excellent thermal-oxidative aging resistance. |
| abstract_unstemmed |
A series of processable and high-temperature resistant polyimide resins terminated with 4-phenylethynyl phthalic anhydride were synthesized by PMR (for in situ polymerization of monomer reactants) using isopropyl alcohol as esterifying agent. The resin solution stored at room temperature for sixteen weeks has no solid precipitation, and the viscosity of the solution does not change significantly, which shows good storage stability at room temperature. The minimum melt viscosity of the imide oligomers is less than 300 Pa·s, which is suitable for compression moulding or autoclaved process. The cured polyimides exhibit extremely high glass transition temperatures (Tg) up to 462℃. The flexural strength and modulus of T300/PMR-PE-2 carbon fiber composite are 963 MPa and 53 GPa, respectively. The inter-laminar shear strength of the composite is 56 MPa. Moreover, the composite can maintain no lower than 66% of their room temperature mechanical properties at 300℃. After isothermal aging in air atmosphere for 500 h at 300℃, the mass loss of the composite is only 0.96%, meanwhile, the composite retention rate maintains 72% of its room temperature flexural strength and 98% of its room temperature inter-laminar shear strength, which demonstrates its excellent thermal-oxidative aging resistance. |
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Processable polyimide resins and their composites for long-term application at 300 ℃ |
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https://doi.org/10.11868/j.issn.1001-4381.2022.000828 https://doaj.org/article/f8b4bae118d0469fb1882825177a5854 http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2022.000828 https://doaj.org/toc/1001-4381 |
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MENG Xiangsheng KE Hongjun WANG Xianwei LI Xianming GONG Dirong WANG Zhen |
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2024-07-03T17:44:28.857Z |
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