An improvement of microfluidic‐assisted internal gelation in the preparation of millimeter‐sized ceramic microspheres
The microspheres prepared by the microfluidic‐assisted internal gelation process are still challenging to reach the millimeter size due to the large gravity. The gravity would affect the sphericity and size uniformity of microspheres. The improved microfluidic‐assisted internal gelation process is d...
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| Veröffentlicht in: | Journal of the American Ceramic Society 2022-08, Vol.105 (8), p.5045-5057 |
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| container_title | Journal of the American Ceramic Society |
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| creator | Xu, Rui Zhao, Shijiao Song, Jing Deng, Changsheng Hao, Shaochang Zhao, Xingyu Li, Jianjun Li, Ziqiang Liu, Bing Ma, Jingtao |
| description | The microspheres prepared by the microfluidic‐assisted internal gelation process are still challenging to reach the millimeter size due to the large gravity. The gravity would affect the sphericity and size uniformity of microspheres. The improved microfluidic‐assisted internal gelation process is designed and optimized to produce large‐sized monodisperse ceramic microspheres with good sphericity. The movement mechanism of millimeter‐sized sol droplets and gel microspheres in the microchannel is summarized and the state of the dispersed phase entering the measuring cylinder is controlled. The friction between the gel microspheres and the tubing wall is reduced as much as possible, and ZrO2 ceramic microspheres of 500 ± 5 μm with good sphericity are prepared with the broth at room temperature. The mechanism of sol droplets entering the oil surface is explored to demonstrate the superiority of the improved microfluidic‐assisted internal gelation process. The improved microfluidic‐assisted internal gelation process could be directly extended to preparing other millimeter‐sized monodisperse ceramic microspheres. |
| doi_str_mv | 10.1111/jace.18437 |
| format | Article |
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The gravity would affect the sphericity and size uniformity of microspheres. The improved microfluidic‐assisted internal gelation process is designed and optimized to produce large‐sized monodisperse ceramic microspheres with good sphericity. The movement mechanism of millimeter‐sized sol droplets and gel microspheres in the microchannel is summarized and the state of the dispersed phase entering the measuring cylinder is controlled. The friction between the gel microspheres and the tubing wall is reduced as much as possible, and ZrO2 ceramic microspheres of 500 ± 5 μm with good sphericity are prepared with the broth at room temperature. The mechanism of sol droplets entering the oil surface is explored to demonstrate the superiority of the improved microfluidic‐assisted internal gelation process. The improved microfluidic‐assisted internal gelation process could be directly extended to preparing other millimeter‐sized monodisperse ceramic microspheres.</description><identifier>ISSN: 0002-7820</identifier><identifier>EISSN: 1551-2916</identifier><identifier>DOI: 10.1111/jace.18437</identifier><language>eng</language><publisher>Columbus: Wiley Subscription Services, Inc</publisher><subject>ceramic microspheres ; Ceramics ; Droplets ; Gelation ; internal gelation process ; Microchannels ; microfluidic ; Microfluidics ; Microspheres ; millimeter‐sized ; monodisperse ; Room temperature ; Sol-gel processes ; Zirconium dioxide</subject><ispartof>Journal of the American Ceramic Society, 2022-08, Vol.105 (8), p.5045-5057</ispartof><rights>2022 The American Ceramic Society.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3017-f8e27415b0dcb5842f38feb7461251e500c5f4395b6f7b6621cab52f6c783d9b3</citedby><cites>FETCH-LOGICAL-c3017-f8e27415b0dcb5842f38feb7461251e500c5f4395b6f7b6621cab52f6c783d9b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fjace.18437$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fjace.18437$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27903,27904,45553,45554</link.rule.ids></links><search><creatorcontrib>Xu, Rui</creatorcontrib><creatorcontrib>Zhao, Shijiao</creatorcontrib><creatorcontrib>Song, Jing</creatorcontrib><creatorcontrib>Deng, Changsheng</creatorcontrib><creatorcontrib>Hao, Shaochang</creatorcontrib><creatorcontrib>Zhao, Xingyu</creatorcontrib><creatorcontrib>Li, Jianjun</creatorcontrib><creatorcontrib>Li, Ziqiang</creatorcontrib><creatorcontrib>Liu, Bing</creatorcontrib><creatorcontrib>Ma, Jingtao</creatorcontrib><title>An improvement of microfluidic‐assisted internal gelation in the preparation of millimeter‐sized ceramic microspheres</title><title>Journal of the American Ceramic Society</title><description>The microspheres prepared by the microfluidic‐assisted internal gelation process are still challenging to reach the millimeter size due to the large gravity. The gravity would affect the sphericity and size uniformity of microspheres. The improved microfluidic‐assisted internal gelation process is designed and optimized to produce large‐sized monodisperse ceramic microspheres with good sphericity. The movement mechanism of millimeter‐sized sol droplets and gel microspheres in the microchannel is summarized and the state of the dispersed phase entering the measuring cylinder is controlled. The friction between the gel microspheres and the tubing wall is reduced as much as possible, and ZrO2 ceramic microspheres of 500 ± 5 μm with good sphericity are prepared with the broth at room temperature. The mechanism of sol droplets entering the oil surface is explored to demonstrate the superiority of the improved microfluidic‐assisted internal gelation process. The improved microfluidic‐assisted internal gelation process could be directly extended to preparing other millimeter‐sized monodisperse ceramic microspheres.</description><subject>ceramic microspheres</subject><subject>Ceramics</subject><subject>Droplets</subject><subject>Gelation</subject><subject>internal gelation process</subject><subject>Microchannels</subject><subject>microfluidic</subject><subject>Microfluidics</subject><subject>Microspheres</subject><subject>millimeter‐sized</subject><subject>monodisperse</subject><subject>Room temperature</subject><subject>Sol-gel processes</subject><subject>Zirconium dioxide</subject><issn>0002-7820</issn><issn>1551-2916</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNp9kMtKAzEUhoMoWKsbn2DAnTA1l8kkXZZSbxTc6DpkMic2ZW4mU6WufASf0Scx03FtNiHh-37O-RG6JHhG4rnZagMzIjMmjtCEcE5SOif5MZpgjGkqJMWn6CyEbXySucwmaL9oEld3vn2HGpo-aW1SO-NbW-1c6czP17cOwYUeysQ1PfhGV8krVLp3bRSbpN9A0nnotB-_Dn5VuRoiHO3gPqNqwOsYO0aHbgMewjk6sboKcPF3T9HL7ep5eZ-un-4elot1ahgmIrUSqMgIL3BpCi4zapm0UIgsJ5QT4BgbbjM250VuRZHnlBhdcGpzIyQr5wWboqsxNy75toPQq227G_YIiuaCSJaJjEXqeqSGAYMHqzrvau33imA1VKuGatWh2giTEf5wFez_IdXjYrkanV_eB4AA</recordid><startdate>202208</startdate><enddate>202208</enddate><creator>Xu, Rui</creator><creator>Zhao, Shijiao</creator><creator>Song, Jing</creator><creator>Deng, Changsheng</creator><creator>Hao, Shaochang</creator><creator>Zhao, Xingyu</creator><creator>Li, Jianjun</creator><creator>Li, Ziqiang</creator><creator>Liu, Bing</creator><creator>Ma, Jingtao</creator><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>202208</creationdate><title>An improvement of microfluidic‐assisted internal gelation in the preparation of millimeter‐sized ceramic microspheres</title><author>Xu, Rui ; Zhao, Shijiao ; Song, Jing ; Deng, Changsheng ; Hao, Shaochang ; Zhao, Xingyu ; Li, Jianjun ; Li, Ziqiang ; Liu, Bing ; Ma, Jingtao</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3017-f8e27415b0dcb5842f38feb7461251e500c5f4395b6f7b6621cab52f6c783d9b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>ceramic microspheres</topic><topic>Ceramics</topic><topic>Droplets</topic><topic>Gelation</topic><topic>internal gelation process</topic><topic>Microchannels</topic><topic>microfluidic</topic><topic>Microfluidics</topic><topic>Microspheres</topic><topic>millimeter‐sized</topic><topic>monodisperse</topic><topic>Room temperature</topic><topic>Sol-gel processes</topic><topic>Zirconium dioxide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xu, Rui</creatorcontrib><creatorcontrib>Zhao, Shijiao</creatorcontrib><creatorcontrib>Song, Jing</creatorcontrib><creatorcontrib>Deng, Changsheng</creatorcontrib><creatorcontrib>Hao, Shaochang</creatorcontrib><creatorcontrib>Zhao, Xingyu</creatorcontrib><creatorcontrib>Li, Jianjun</creatorcontrib><creatorcontrib>Li, Ziqiang</creatorcontrib><creatorcontrib>Liu, Bing</creatorcontrib><creatorcontrib>Ma, Jingtao</creatorcontrib><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of the American Ceramic Society</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Xu, Rui</au><au>Zhao, Shijiao</au><au>Song, Jing</au><au>Deng, Changsheng</au><au>Hao, Shaochang</au><au>Zhao, Xingyu</au><au>Li, Jianjun</au><au>Li, Ziqiang</au><au>Liu, Bing</au><au>Ma, Jingtao</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>An improvement of microfluidic‐assisted internal gelation in the preparation of millimeter‐sized ceramic microspheres</atitle><jtitle>Journal of the American Ceramic Society</jtitle><date>2022-08</date><risdate>2022</risdate><volume>105</volume><issue>8</issue><spage>5045</spage><epage>5057</epage><pages>5045-5057</pages><issn>0002-7820</issn><eissn>1551-2916</eissn><abstract>The microspheres prepared by the microfluidic‐assisted internal gelation process are still challenging to reach the millimeter size due to the large gravity. The gravity would affect the sphericity and size uniformity of microspheres. The improved microfluidic‐assisted internal gelation process is designed and optimized to produce large‐sized monodisperse ceramic microspheres with good sphericity. The movement mechanism of millimeter‐sized sol droplets and gel microspheres in the microchannel is summarized and the state of the dispersed phase entering the measuring cylinder is controlled. The friction between the gel microspheres and the tubing wall is reduced as much as possible, and ZrO2 ceramic microspheres of 500 ± 5 μm with good sphericity are prepared with the broth at room temperature. The mechanism of sol droplets entering the oil surface is explored to demonstrate the superiority of the improved microfluidic‐assisted internal gelation process. The improved microfluidic‐assisted internal gelation process could be directly extended to preparing other millimeter‐sized monodisperse ceramic microspheres.</abstract><cop>Columbus</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1111/jace.18437</doi><tpages>13</tpages></addata></record> |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | ceramic microspheres Ceramics Droplets Gelation internal gelation process Microchannels microfluidic Microfluidics Microspheres millimeter‐sized monodisperse Room temperature Sol-gel processes Zirconium dioxide |
| title | An improvement of microfluidic‐assisted internal gelation in the preparation of millimeter‐sized ceramic microspheres |
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