The retarding effects and structural evolution of a bio‐based high‐performance polyimide during thermal imidization
ABSTRACT The thermal imidization evolution of a bio‐based high‐performance polyimide, namely adenine‐containing polyimide (API), was investigated by thermogravimetric analysis (TGA), in situ Fourier transform infrared spectroscopy (in situ FTIR), and wide‐angle X‐ray diffraction (WAXD), in contrast...
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| Veröffentlicht in: | Journal of applied polymer science 2019-01, Vol.136 (3), p.n/a |
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| creator | Li, Renke Lu, Zheng Liu, Yao Zeng, Ke Hu, Jianghuai Yang, Gang |
| description | ABSTRACT
The thermal imidization evolution of a bio‐based high‐performance polyimide, namely adenine‐containing polyimide (API), was investigated by thermogravimetric analysis (TGA), in situ Fourier transform infrared spectroscopy (in situ FTIR), and wide‐angle X‐ray diffraction (WAXD), in contrast to an adenine‐free 4,4′‐oxydiphthalic anhydride (ODPA)/4,4′‐oxydianiline (ODA) PI. The influence derived from adenine was focused. At precursor stage of API (polyamic acid, PAA), the H‐bonding interaction of PAA–PAA type as well as the especial interaction between the secondary amine of adenine and solvent (dimethylacetamide, DMAc) was discovered. Structural evolution of API was traced by in situ FTIR and multistage WAXD from PAA stage to PI stage. Compared with OPI, the retarding effects were found in the process of thermal imidization of API, partly due to the formation of H‐bonding derived from the extra secondary amine of adenine moieties, which complicated the H‐bonding form in API. Finally, a hypothesis of evolution of thermal imidization process about API molecule was proposed in contrast with adenine‐free ODPA ODA PI. Compared with the consistency of both API and ODPA ODA PI in PAA stage, API possessed a more delicate thermal imidization process. © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 46953. |
| doi_str_mv | 10.1002/app.46953 |
| format | Article |
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The thermal imidization evolution of a bio‐based high‐performance polyimide, namely adenine‐containing polyimide (API), was investigated by thermogravimetric analysis (TGA), in situ Fourier transform infrared spectroscopy (in situ FTIR), and wide‐angle X‐ray diffraction (WAXD), in contrast to an adenine‐free 4,4′‐oxydiphthalic anhydride (ODPA)/4,4′‐oxydianiline (ODA) PI. The influence derived from adenine was focused. At precursor stage of API (polyamic acid, PAA), the H‐bonding interaction of PAA–PAA type as well as the especial interaction between the secondary amine of adenine and solvent (dimethylacetamide, DMAc) was discovered. Structural evolution of API was traced by in situ FTIR and multistage WAXD from PAA stage to PI stage. Compared with OPI, the retarding effects were found in the process of thermal imidization of API, partly due to the formation of H‐bonding derived from the extra secondary amine of adenine moieties, which complicated the H‐bonding form in API. Finally, a hypothesis of evolution of thermal imidization process about API molecule was proposed in contrast with adenine‐free ODPA ODA PI. Compared with the consistency of both API and ODPA ODA PI in PAA stage, API possessed a more delicate thermal imidization process. © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 46953.</description><identifier>ISSN: 0021-8995</identifier><identifier>EISSN: 1097-4628</identifier><identifier>DOI: 10.1002/app.46953</identifier><language>eng</language><publisher>Hoboken, USA: John Wiley & Sons, Inc</publisher><subject>Anhydrides ; Evolution ; Fourier transforms ; Infrared analysis ; Infrared spectroscopy ; Materials science ; polyimides ; Polymers ; Retarding ; spectroscopy ; thermal imidization ; Thermogravimetric analysis ; X ray spectra ; X-ray diffraction</subject><ispartof>Journal of applied polymer science, 2019-01, Vol.136 (3), p.n/a</ispartof><rights>2018 Wiley Periodicals, Inc.</rights><rights>2019 Wiley Periodicals, Inc.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2973-4ff445517c12c909fef75c19336c4119f0b6f220ae59ce839d2c50637d15371c3</citedby><cites>FETCH-LOGICAL-c2973-4ff445517c12c909fef75c19336c4119f0b6f220ae59ce839d2c50637d15371c3</cites><orcidid>0000-0002-9699-7014</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fapp.46953$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fapp.46953$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids></links><search><creatorcontrib>Li, Renke</creatorcontrib><creatorcontrib>Lu, Zheng</creatorcontrib><creatorcontrib>Liu, Yao</creatorcontrib><creatorcontrib>Zeng, Ke</creatorcontrib><creatorcontrib>Hu, Jianghuai</creatorcontrib><creatorcontrib>Yang, Gang</creatorcontrib><title>The retarding effects and structural evolution of a bio‐based high‐performance polyimide during thermal imidization</title><title>Journal of applied polymer science</title><description>ABSTRACT
The thermal imidization evolution of a bio‐based high‐performance polyimide, namely adenine‐containing polyimide (API), was investigated by thermogravimetric analysis (TGA), in situ Fourier transform infrared spectroscopy (in situ FTIR), and wide‐angle X‐ray diffraction (WAXD), in contrast to an adenine‐free 4,4′‐oxydiphthalic anhydride (ODPA)/4,4′‐oxydianiline (ODA) PI. The influence derived from adenine was focused. At precursor stage of API (polyamic acid, PAA), the H‐bonding interaction of PAA–PAA type as well as the especial interaction between the secondary amine of adenine and solvent (dimethylacetamide, DMAc) was discovered. Structural evolution of API was traced by in situ FTIR and multistage WAXD from PAA stage to PI stage. Compared with OPI, the retarding effects were found in the process of thermal imidization of API, partly due to the formation of H‐bonding derived from the extra secondary amine of adenine moieties, which complicated the H‐bonding form in API. Finally, a hypothesis of evolution of thermal imidization process about API molecule was proposed in contrast with adenine‐free ODPA ODA PI. Compared with the consistency of both API and ODPA ODA PI in PAA stage, API possessed a more delicate thermal imidization process. © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 46953.</description><subject>Anhydrides</subject><subject>Evolution</subject><subject>Fourier transforms</subject><subject>Infrared analysis</subject><subject>Infrared spectroscopy</subject><subject>Materials science</subject><subject>polyimides</subject><subject>Polymers</subject><subject>Retarding</subject><subject>spectroscopy</subject><subject>thermal imidization</subject><subject>Thermogravimetric analysis</subject><subject>X ray spectra</subject><subject>X-ray diffraction</subject><issn>0021-8995</issn><issn>1097-4628</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp1kE1OwzAQhS0EEqWw4AaWWLFIa8dxEi-rij-pEl2UteU648ZVGgc7AZUVR-CMnISEsGU1mnnfvNE8hK4pmVFC4rlqmlmSCs5O0IQSkUVJGuenaNJrNMqF4OfoIoQ9IZRykk7Q-6YE7KFVvrD1DoMxoNuAVV3g0PpOt51XFYY3V3WtdTV2Biu8te7782urAhS4tLuybxrwxvmDqjXgxlVHe7AF4KLzg2tbQi9VeBjaDzUYXaIzo6oAV391il7u7zbLx2j1_PC0XKwiHYuMRYkxScI5zTSNtSDCgMm4poKxVCeUCkO2qYljooALDTkTRaz7v1hWUM4yqtkU3Yy-jXevHYRW7l3n6_6kjCnjaZLnJO-p25HS3oXgwcjG24PyR0mJHHKVfa7yN9eenY_su63g-D8oF-v1uPED2qB9Kg</recordid><startdate>20190115</startdate><enddate>20190115</enddate><creator>Li, Renke</creator><creator>Lu, Zheng</creator><creator>Liu, Yao</creator><creator>Zeng, Ke</creator><creator>Hu, Jianghuai</creator><creator>Yang, Gang</creator><general>John Wiley & Sons, Inc</general><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0002-9699-7014</orcidid></search><sort><creationdate>20190115</creationdate><title>The retarding effects and structural evolution of a bio‐based high‐performance polyimide during thermal imidization</title><author>Li, Renke ; Lu, Zheng ; Liu, Yao ; Zeng, Ke ; Hu, Jianghuai ; Yang, Gang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2973-4ff445517c12c909fef75c19336c4119f0b6f220ae59ce839d2c50637d15371c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Anhydrides</topic><topic>Evolution</topic><topic>Fourier transforms</topic><topic>Infrared analysis</topic><topic>Infrared spectroscopy</topic><topic>Materials science</topic><topic>polyimides</topic><topic>Polymers</topic><topic>Retarding</topic><topic>spectroscopy</topic><topic>thermal imidization</topic><topic>Thermogravimetric analysis</topic><topic>X ray spectra</topic><topic>X-ray diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Renke</creatorcontrib><creatorcontrib>Lu, Zheng</creatorcontrib><creatorcontrib>Liu, Yao</creatorcontrib><creatorcontrib>Zeng, Ke</creatorcontrib><creatorcontrib>Hu, Jianghuai</creatorcontrib><creatorcontrib>Yang, Gang</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of applied polymer science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Renke</au><au>Lu, Zheng</au><au>Liu, Yao</au><au>Zeng, Ke</au><au>Hu, Jianghuai</au><au>Yang, Gang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The retarding effects and structural evolution of a bio‐based high‐performance polyimide during thermal imidization</atitle><jtitle>Journal of applied polymer science</jtitle><date>2019-01-15</date><risdate>2019</risdate><volume>136</volume><issue>3</issue><epage>n/a</epage><issn>0021-8995</issn><eissn>1097-4628</eissn><abstract>ABSTRACT
The thermal imidization evolution of a bio‐based high‐performance polyimide, namely adenine‐containing polyimide (API), was investigated by thermogravimetric analysis (TGA), in situ Fourier transform infrared spectroscopy (in situ FTIR), and wide‐angle X‐ray diffraction (WAXD), in contrast to an adenine‐free 4,4′‐oxydiphthalic anhydride (ODPA)/4,4′‐oxydianiline (ODA) PI. The influence derived from adenine was focused. At precursor stage of API (polyamic acid, PAA), the H‐bonding interaction of PAA–PAA type as well as the especial interaction between the secondary amine of adenine and solvent (dimethylacetamide, DMAc) was discovered. Structural evolution of API was traced by in situ FTIR and multistage WAXD from PAA stage to PI stage. Compared with OPI, the retarding effects were found in the process of thermal imidization of API, partly due to the formation of H‐bonding derived from the extra secondary amine of adenine moieties, which complicated the H‐bonding form in API. Finally, a hypothesis of evolution of thermal imidization process about API molecule was proposed in contrast with adenine‐free ODPA ODA PI. Compared with the consistency of both API and ODPA ODA PI in PAA stage, API possessed a more delicate thermal imidization process. © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 46953.</abstract><cop>Hoboken, USA</cop><pub>John Wiley & Sons, Inc</pub><doi>10.1002/app.46953</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0002-9699-7014</orcidid></addata></record> |
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| subjects | Anhydrides Evolution Fourier transforms Infrared analysis Infrared spectroscopy Materials science polyimides Polymers Retarding spectroscopy thermal imidization Thermogravimetric analysis X ray spectra X-ray diffraction |
| title | The retarding effects and structural evolution of a bio‐based high‐performance polyimide during thermal imidization |
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