Surface charge dependence on load in amorphous stereocomplex poly(lactic acid) electrets processed with microwave heating
This paper reported the process of causing piezoelectricity to amorphous stereocomplex poly (lactic acid) using microwaves. From finite element analysis results of microwave irradiation from the constructed resonator to the film, it was found that microwave with an electric field strength of 7 MV m−...
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| Veröffentlicht in: | Japanese Journal of Applied Physics 2020-11, Vol.59 (SP), p.SPPE02 |
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| container_issue | SP |
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| container_title | Japanese Journal of Applied Physics |
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| creator | Takarada, Jun Tang, Yifu Nishizawa, Yoshihiko Ando, Masamichi Tajitsu, Yoshiro |
| description | This paper reported the process of causing piezoelectricity to amorphous stereocomplex poly (lactic acid) using microwaves. From finite element analysis results of microwave irradiation from the constructed resonator to the film, it was found that microwave with an electric field strength of 7 MV m−1 was applied to the film at the incident power of 200 W. The microwave instantaneously heated the film, and at the same time, a DC voltage was applied to the film to inject an electric charge into the film and create an electret. Since the macro and micro piezoelectricity were confirmed and the trapped charge was retained permanently, poly (lactic acid) electret was caused by the process. The feature of the microwave irradiation process is instantaneous heating and cooling. It is considered that the feature contributed to the film that retained the trapped charge state at each temperature from the glass transition temperature to the crystallization temperature. |
| doi_str_mv | 10.35848/1347-4065/abae0c |
| format | Article |
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From finite element analysis results of microwave irradiation from the constructed resonator to the film, it was found that microwave with an electric field strength of 7 MV m−1 was applied to the film at the incident power of 200 W. The microwave instantaneously heated the film, and at the same time, a DC voltage was applied to the film to inject an electric charge into the film and create an electret. Since the macro and micro piezoelectricity were confirmed and the trapped charge was retained permanently, poly (lactic acid) electret was caused by the process. The feature of the microwave irradiation process is instantaneous heating and cooling. It is considered that the feature contributed to the film that retained the trapped charge state at each temperature from the glass transition temperature to the crystallization temperature.</description><identifier>ISSN: 0021-4922</identifier><identifier>EISSN: 1347-4065</identifier><identifier>DOI: 10.35848/1347-4065/abae0c</identifier><identifier>CODEN: JJAPB6</identifier><language>eng</language><publisher>Tokyo: IOP Publishing</publisher><subject>Crystallization ; electret ; Electrets ; Electric field strength ; Finite element method ; Glass transition temperature ; Heating ; Irradiation ; microwave heating ; Microwaves ; Piezoelectricity ; poly (lactic acid) ; Polylactic acid ; Surface charge ; Trapped charge</subject><ispartof>Japanese Journal of Applied Physics, 2020-11, Vol.59 (SP), p.SPPE02</ispartof><rights>2020 The Japan Society of Applied Physics</rights><rights>Copyright Japanese Journal of Applied Physics Nov 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c345t-8bff885fd07e958dcd0436cc976c4678504bd927d8163fca0386940d6bab89053</citedby><cites>FETCH-LOGICAL-c345t-8bff885fd07e958dcd0436cc976c4678504bd927d8163fca0386940d6bab89053</cites><orcidid>0000-0001-7940-1488</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://iopscience.iop.org/article/10.35848/1347-4065/abae0c/pdf$$EPDF$$P50$$Giop$$H</linktopdf><link.rule.ids>314,778,782,27907,27908,53829,53876</link.rule.ids></links><search><creatorcontrib>Takarada, Jun</creatorcontrib><creatorcontrib>Tang, Yifu</creatorcontrib><creatorcontrib>Nishizawa, Yoshihiko</creatorcontrib><creatorcontrib>Ando, Masamichi</creatorcontrib><creatorcontrib>Tajitsu, Yoshiro</creatorcontrib><title>Surface charge dependence on load in amorphous stereocomplex poly(lactic acid) electrets processed with microwave heating</title><title>Japanese Journal of Applied Physics</title><addtitle>Jpn. J. Appl. Phys</addtitle><description>This paper reported the process of causing piezoelectricity to amorphous stereocomplex poly (lactic acid) using microwaves. From finite element analysis results of microwave irradiation from the constructed resonator to the film, it was found that microwave with an electric field strength of 7 MV m−1 was applied to the film at the incident power of 200 W. The microwave instantaneously heated the film, and at the same time, a DC voltage was applied to the film to inject an electric charge into the film and create an electret. Since the macro and micro piezoelectricity were confirmed and the trapped charge was retained permanently, poly (lactic acid) electret was caused by the process. The feature of the microwave irradiation process is instantaneous heating and cooling. It is considered that the feature contributed to the film that retained the trapped charge state at each temperature from the glass transition temperature to the crystallization temperature.</description><subject>Crystallization</subject><subject>electret</subject><subject>Electrets</subject><subject>Electric field strength</subject><subject>Finite element method</subject><subject>Glass transition temperature</subject><subject>Heating</subject><subject>Irradiation</subject><subject>microwave heating</subject><subject>Microwaves</subject><subject>Piezoelectricity</subject><subject>poly (lactic acid)</subject><subject>Polylactic acid</subject><subject>Surface charge</subject><subject>Trapped charge</subject><issn>0021-4922</issn><issn>1347-4065</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp1UF1LwzAUDaLgnP4A3wK-uIe6tE3a9FHG_ADBwfQ5pMnt2tE1Memc-_dmVvRF4cLlHs4593AQuozJTco45dM4pXlEScamspRA1BEa_UDHaERIEke0SJJTdOb9OpwZo_EI7ZdbV0kFWNXSrQBrsNBp6AJiOtwaqXHTYbkxztZm67HvwYFRZmNb-MDWtPvrVqq-UViqRk8wtKB6B73H1hkF3oPGu6av8aZRzuzkO-AaZN90q3N0UsnWw8X3HqPXu_nL7CF6er5_nN0-RSqlrI94WVWcs0qTHArGtdKEpplSRZ4pmuWcEVrqIsk1j7O0UpKkPCso0VkpS14Qlo7R1eAbAr1twfdibbauCy9FQmlOEkITGljxwAopvXdQCeuajXR7ERPx1bA41CkOdYqh4aCZDJrG2F_T9VpawQqxXIRZzEkirK4CN_qD-7_3J2bqji0</recordid><startdate>20201101</startdate><enddate>20201101</enddate><creator>Takarada, Jun</creator><creator>Tang, Yifu</creator><creator>Nishizawa, Yoshihiko</creator><creator>Ando, Masamichi</creator><creator>Tajitsu, Yoshiro</creator><general>IOP Publishing</general><general>Japanese Journal of Applied Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0001-7940-1488</orcidid></search><sort><creationdate>20201101</creationdate><title>Surface charge dependence on load in amorphous stereocomplex poly(lactic acid) electrets processed with microwave heating</title><author>Takarada, Jun ; Tang, Yifu ; Nishizawa, Yoshihiko ; Ando, Masamichi ; Tajitsu, Yoshiro</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c345t-8bff885fd07e958dcd0436cc976c4678504bd927d8163fca0386940d6bab89053</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Crystallization</topic><topic>electret</topic><topic>Electrets</topic><topic>Electric field strength</topic><topic>Finite element method</topic><topic>Glass transition temperature</topic><topic>Heating</topic><topic>Irradiation</topic><topic>microwave heating</topic><topic>Microwaves</topic><topic>Piezoelectricity</topic><topic>poly (lactic acid)</topic><topic>Polylactic acid</topic><topic>Surface charge</topic><topic>Trapped charge</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Takarada, Jun</creatorcontrib><creatorcontrib>Tang, Yifu</creatorcontrib><creatorcontrib>Nishizawa, Yoshihiko</creatorcontrib><creatorcontrib>Ando, Masamichi</creatorcontrib><creatorcontrib>Tajitsu, Yoshiro</creatorcontrib><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Japanese Journal of Applied Physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Takarada, Jun</au><au>Tang, Yifu</au><au>Nishizawa, Yoshihiko</au><au>Ando, Masamichi</au><au>Tajitsu, Yoshiro</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Surface charge dependence on load in amorphous stereocomplex poly(lactic acid) electrets processed with microwave heating</atitle><jtitle>Japanese Journal of Applied Physics</jtitle><addtitle>Jpn. J. Appl. Phys</addtitle><date>2020-11-01</date><risdate>2020</risdate><volume>59</volume><issue>SP</issue><spage>SPPE02</spage><pages>SPPE02-</pages><issn>0021-4922</issn><eissn>1347-4065</eissn><coden>JJAPB6</coden><abstract>This paper reported the process of causing piezoelectricity to amorphous stereocomplex poly (lactic acid) using microwaves. From finite element analysis results of microwave irradiation from the constructed resonator to the film, it was found that microwave with an electric field strength of 7 MV m−1 was applied to the film at the incident power of 200 W. The microwave instantaneously heated the film, and at the same time, a DC voltage was applied to the film to inject an electric charge into the film and create an electret. Since the macro and micro piezoelectricity were confirmed and the trapped charge was retained permanently, poly (lactic acid) electret was caused by the process. The feature of the microwave irradiation process is instantaneous heating and cooling. It is considered that the feature contributed to the film that retained the trapped charge state at each temperature from the glass transition temperature to the crystallization temperature.</abstract><cop>Tokyo</cop><pub>IOP Publishing</pub><doi>10.35848/1347-4065/abae0c</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0001-7940-1488</orcidid></addata></record> |
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| ispartof | Japanese Journal of Applied Physics, 2020-11, Vol.59 (SP), p.SPPE02 |
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| language | eng |
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| source | IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link |
| subjects | Crystallization electret Electrets Electric field strength Finite element method Glass transition temperature Heating Irradiation microwave heating Microwaves Piezoelectricity poly (lactic acid) Polylactic acid Surface charge Trapped charge |
| title | Surface charge dependence on load in amorphous stereocomplex poly(lactic acid) electrets processed with microwave heating |
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