Structure and properties of porous poly(vinyl alcohol) hydrogel beads prepared through a physical–chemical crosslinking method
ABSTRACT Porous poly(vinyl alcohol) (PVA) hydrogel beads (PC beads) are potential microorganism carriers applied in wastewater treatment industries. However, improving the mechanical strength and stability of traditional PVA hydrogel beads in water is still a challenge. In this research, a new kind...
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| Veröffentlicht in: | Journal of applied polymer science 2018-07, Vol.135 (26), p.n/a |
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| creator | Liao, Honghui Liu, Yuan Wang, Qi Duan, Wenfeng |
| description | ABSTRACT
Porous poly(vinyl alcohol) (PVA) hydrogel beads (PC beads) are potential microorganism carriers applied in wastewater treatment industries. However, improving the mechanical strength and stability of traditional PVA hydrogel beads in water is still a challenge. In this research, a new kind of PC bead was successfully prepared by a combination of physical and chemical crosslinking methods. The structures and properties of the PC beads and conventional PVA beads obtained by individual chemical (boric acid) or physical (cyclic freezing and thawing) processes were investigated by Fourier transform infrared spectroscopy, differential scanning calorimetry, scanning electron microscopy, and tensile and hydraulic stability testing. Compared with the conventional products, the PC beads displayed a more homogeneous and porous structure, bigger surface area, higher hydraulic stability, and better mechanical properties and showed better applicability for the water treatment field. © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 46402. |
| doi_str_mv | 10.1002/app.46402 |
| format | Article |
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Porous poly(vinyl alcohol) (PVA) hydrogel beads (PC beads) are potential microorganism carriers applied in wastewater treatment industries. However, improving the mechanical strength and stability of traditional PVA hydrogel beads in water is still a challenge. In this research, a new kind of PC bead was successfully prepared by a combination of physical and chemical crosslinking methods. The structures and properties of the PC beads and conventional PVA beads obtained by individual chemical (boric acid) or physical (cyclic freezing and thawing) processes were investigated by Fourier transform infrared spectroscopy, differential scanning calorimetry, scanning electron microscopy, and tensile and hydraulic stability testing. Compared with the conventional products, the PC beads displayed a more homogeneous and porous structure, bigger surface area, higher hydraulic stability, and better mechanical properties and showed better applicability for the water treatment field. © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 46402.</description><identifier>ISSN: 0021-8995</identifier><identifier>EISSN: 1097-4628</identifier><identifier>DOI: 10.1002/app.46402</identifier><language>eng</language><publisher>Hoboken: Wiley Subscription Services, Inc</publisher><subject>Alcohol ; Beads ; Crosslinking ; Electron microscopy ; Fourier transforms ; Freeze thaw cycles ; gels ; Hydrogels ; Materials science ; Mechanical properties ; Polymers ; porous materials ; structure–property relationships ; Surface stability ; Wastewater treatment ; Water treatment</subject><ispartof>Journal of applied polymer science, 2018-07, Vol.135 (26), p.n/a</ispartof><rights>2018 Wiley Periodicals, Inc.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3342-8a7d80fe814c9082ffd83cdf2c4716d24c13a4b233c367a777366bbc64538f213</citedby><cites>FETCH-LOGICAL-c3342-8a7d80fe814c9082ffd83cdf2c4716d24c13a4b233c367a777366bbc64538f213</cites><orcidid>0000-0002-6056-6204</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.46402$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fapp.46402$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1416,27922,27923,45572,45573</link.rule.ids></links><search><creatorcontrib>Liao, Honghui</creatorcontrib><creatorcontrib>Liu, Yuan</creatorcontrib><creatorcontrib>Wang, Qi</creatorcontrib><creatorcontrib>Duan, Wenfeng</creatorcontrib><title>Structure and properties of porous poly(vinyl alcohol) hydrogel beads prepared through a physical–chemical crosslinking method</title><title>Journal of applied polymer science</title><description>ABSTRACT
Porous poly(vinyl alcohol) (PVA) hydrogel beads (PC beads) are potential microorganism carriers applied in wastewater treatment industries. However, improving the mechanical strength and stability of traditional PVA hydrogel beads in water is still a challenge. In this research, a new kind of PC bead was successfully prepared by a combination of physical and chemical crosslinking methods. The structures and properties of the PC beads and conventional PVA beads obtained by individual chemical (boric acid) or physical (cyclic freezing and thawing) processes were investigated by Fourier transform infrared spectroscopy, differential scanning calorimetry, scanning electron microscopy, and tensile and hydraulic stability testing. Compared with the conventional products, the PC beads displayed a more homogeneous and porous structure, bigger surface area, higher hydraulic stability, and better mechanical properties and showed better applicability for the water treatment field. © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 46402.</description><subject>Alcohol</subject><subject>Beads</subject><subject>Crosslinking</subject><subject>Electron microscopy</subject><subject>Fourier transforms</subject><subject>Freeze thaw cycles</subject><subject>gels</subject><subject>Hydrogels</subject><subject>Materials science</subject><subject>Mechanical properties</subject><subject>Polymers</subject><subject>porous materials</subject><subject>structure–property relationships</subject><subject>Surface stability</subject><subject>Wastewater treatment</subject><subject>Water treatment</subject><issn>0021-8995</issn><issn>1097-4628</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp1kEtOwzAURS0EEqUwYAeWmNBBWv-aOMOq4idVohIwjhzbaVLcONgJKLPugR2yEtyGKaP7pHfu-1wArjGaYoTITDTNlMUMkRMwwihNIhYTfgpGoYcjnqbzc3Dh_RYhjOcoHoH9S-s62XZOQ1Er2DjbaNdW2kNbwMY62_kgpr_9rOreQGGkLa2ZwLJXzm60gbkWKiBON8JpBdsyWDYlFLApe19JYX7237LUu0MJpbPem6p-r-oN3Om2tOoSnBXCeH31p2Pwdn_3unyMVs8PT8vFKpKUMhJxkSiOCs0xkynipCgUp1IVRLIEx4owialgOaFU0jgRSZLQOM5zGbM55QXBdAxuhrnhxY9O-zbb2s7VYWVGEKGI4ZSxQE0G6nip00XWuGonXJ9hlB0CzkLA2THgwM4G9qsyuv8fzBbr9eD4BWp6f_w</recordid><startdate>20180710</startdate><enddate>20180710</enddate><creator>Liao, Honghui</creator><creator>Liu, Yuan</creator><creator>Wang, Qi</creator><creator>Duan, Wenfeng</creator><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/0000-0002-6056-6204</orcidid></search><sort><creationdate>20180710</creationdate><title>Structure and properties of porous poly(vinyl alcohol) hydrogel beads prepared through a physical–chemical crosslinking method</title><author>Liao, Honghui ; Liu, Yuan ; Wang, Qi ; Duan, Wenfeng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3342-8a7d80fe814c9082ffd83cdf2c4716d24c13a4b233c367a777366bbc64538f213</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Alcohol</topic><topic>Beads</topic><topic>Crosslinking</topic><topic>Electron microscopy</topic><topic>Fourier transforms</topic><topic>Freeze thaw cycles</topic><topic>gels</topic><topic>Hydrogels</topic><topic>Materials science</topic><topic>Mechanical properties</topic><topic>Polymers</topic><topic>porous materials</topic><topic>structure–property relationships</topic><topic>Surface stability</topic><topic>Wastewater treatment</topic><topic>Water treatment</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liao, Honghui</creatorcontrib><creatorcontrib>Liu, Yuan</creatorcontrib><creatorcontrib>Wang, Qi</creatorcontrib><creatorcontrib>Duan, Wenfeng</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>Liao, Honghui</au><au>Liu, Yuan</au><au>Wang, Qi</au><au>Duan, Wenfeng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Structure and properties of porous poly(vinyl alcohol) hydrogel beads prepared through a physical–chemical crosslinking method</atitle><jtitle>Journal of applied polymer science</jtitle><date>2018-07-10</date><risdate>2018</risdate><volume>135</volume><issue>26</issue><epage>n/a</epage><issn>0021-8995</issn><eissn>1097-4628</eissn><abstract>ABSTRACT
Porous poly(vinyl alcohol) (PVA) hydrogel beads (PC beads) are potential microorganism carriers applied in wastewater treatment industries. However, improving the mechanical strength and stability of traditional PVA hydrogel beads in water is still a challenge. In this research, a new kind of PC bead was successfully prepared by a combination of physical and chemical crosslinking methods. The structures and properties of the PC beads and conventional PVA beads obtained by individual chemical (boric acid) or physical (cyclic freezing and thawing) processes were investigated by Fourier transform infrared spectroscopy, differential scanning calorimetry, scanning electron microscopy, and tensile and hydraulic stability testing. Compared with the conventional products, the PC beads displayed a more homogeneous and porous structure, bigger surface area, higher hydraulic stability, and better mechanical properties and showed better applicability for the water treatment field. © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 46402.</abstract><cop>Hoboken</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/app.46402</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0002-6056-6204</orcidid></addata></record> |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Alcohol Beads Crosslinking Electron microscopy Fourier transforms Freeze thaw cycles gels Hydrogels Materials science Mechanical properties Polymers porous materials structure–property relationships Surface stability Wastewater treatment Water treatment |
| title | Structure and properties of porous poly(vinyl alcohol) hydrogel beads prepared through a physical–chemical crosslinking method |
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