Incorporation of multi-walled carbon nanotubes in microspheres used as anion exchange resin via suspension polymerization
Amination of vinylbenzyl chloride-divinylbenzene (VBC-DVB) copolymers is an effective method for preparation of anion-exchange resins. Conventionally, the starting polymer is produced by chloromethylation of a styrene–divinylbenzene copolymer that utilizes chloromethyl methyl ether, a known carcinog...
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| Veröffentlicht in: | Applied nanoscience 2014-06, Vol.4 (5), p.543-549 |
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| creator | Fathy, Mahmoud Abdel Moghny, Th Awadallah, Ahmed E. El-Bellihi, Abdel-Hameed A.-A. |
| description | Amination of vinylbenzyl chloride-divinylbenzene (VBC-DVB) copolymers is an effective method for preparation of anion-exchange resins. Conventionally, the starting polymer is produced by chloromethylation of a styrene–divinylbenzene copolymer that utilizes chloromethyl methyl ether, a known carcinogen. An alterative approach is to copolymerize vinylbenzyl chloride with divinylbenzene to generate the necessary VBC-DVB. This method provides precise control over the density of the ion-exchange groups. The regiochemistry of the vinylbenzyl chloride methods was realized using solvent-ion exchange groups. These resulting anion-exchange polymers were characterized by a variety of techniques such as analytical titrations, transform infrared spectroscopy and thermal gravimetric analysis. Testing of these copolymers for breakthrough was performed. The results indicate that these anion exchangers have a meaningful increase in thermal stability over commercial anionic exchange beads. Resins containing MWCNTs achieved anion exchange capacity value of 323.6 meq/100 g over than that of copolymer resins and that useful in water desalination or treatment. |
| doi_str_mv | 10.1007/s13204-013-0243-8 |
| format | Article |
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Conventionally, the starting polymer is produced by chloromethylation of a styrene–divinylbenzene copolymer that utilizes chloromethyl methyl ether, a known carcinogen. An alterative approach is to copolymerize vinylbenzyl chloride with divinylbenzene to generate the necessary VBC-DVB. This method provides precise control over the density of the ion-exchange groups. The regiochemistry of the vinylbenzyl chloride methods was realized using solvent-ion exchange groups. These resulting anion-exchange polymers were characterized by a variety of techniques such as analytical titrations, transform infrared spectroscopy and thermal gravimetric analysis. Testing of these copolymers for breakthrough was performed. The results indicate that these anion exchangers have a meaningful increase in thermal stability over commercial anionic exchange beads. 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Resins containing MWCNTs achieved anion exchange capacity value of 323.6 meq/100 g over than that of copolymer resins and that useful in water desalination or treatment.</description><subject>Anion exchanging</subject><subject>Beads</subject><subject>Chemistry and Materials Science</subject><subject>Chlorides</subject><subject>Copolymers</subject><subject>Density</subject><subject>Exchange</subject><subject>Materials Science</subject><subject>Membrane Biology</subject><subject>Nanochemistry</subject><subject>Nanotechnology</subject><subject>Nanotechnology and Microengineering</subject><subject>Original Article</subject><subject>Polymers</subject><subject>Resins</subject><issn>2190-5509</issn><issn>2190-5517</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNp1kU1LxDAQhosouKz7A7wVvHip5qNtmqMsfiwIXvQc0nTiZmmTmrTq-utNrYgI5pJM5nlnhnmT5BSjC4wQuwyYEpRnCNMMkZxm1UGyIJijrCgwO_x5I36crELYoXiKnJW0WCT7jVXO987LwTibOp12YzuY7E22LTSpkr6O31ZaN4w1hNTYtDPKu9Bvwcd4DJGSIZV2ksO72kr7DGlMRfLVyDSMoQcbpmzv2n0H3nx89TpJjrRsA6y-72XydHP9uL7L7h9uN-ur-0xRToasZgXBrNQKa8C8JppJrrREdV1XtMKooFBCA5qQsskJUTnjvKzzBgMw2RQ5XSbnc93eu5cRwiA6ExS0rbTgxiAw45RwUlIc0bM_6M6N3sbpBC4LUiGK8ipSeKamNQQPWvTedNLvBUZi8kPMfojoh5j8EJOGzJoQ2bgg_6vyv6JPQ5KP2w</recordid><startdate>20140601</startdate><enddate>20140601</enddate><creator>Fathy, Mahmoud</creator><creator>Abdel Moghny, Th</creator><creator>Awadallah, Ahmed E.</creator><creator>El-Bellihi, Abdel-Hameed A.-A.</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>C6C</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20140601</creationdate><title>Incorporation of multi-walled carbon nanotubes in microspheres used as anion exchange resin via suspension polymerization</title><author>Fathy, Mahmoud ; 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Conventionally, the starting polymer is produced by chloromethylation of a styrene–divinylbenzene copolymer that utilizes chloromethyl methyl ether, a known carcinogen. An alterative approach is to copolymerize vinylbenzyl chloride with divinylbenzene to generate the necessary VBC-DVB. This method provides precise control over the density of the ion-exchange groups. The regiochemistry of the vinylbenzyl chloride methods was realized using solvent-ion exchange groups. These resulting anion-exchange polymers were characterized by a variety of techniques such as analytical titrations, transform infrared spectroscopy and thermal gravimetric analysis. Testing of these copolymers for breakthrough was performed. The results indicate that these anion exchangers have a meaningful increase in thermal stability over commercial anionic exchange beads. 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| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; SpringerNature Journals |
| subjects | Anion exchanging Beads Chemistry and Materials Science Chlorides Copolymers Density Exchange Materials Science Membrane Biology Nanochemistry Nanotechnology Nanotechnology and Microengineering Original Article Polymers Resins |
| title | Incorporation of multi-walled carbon nanotubes in microspheres used as anion exchange resin via suspension polymerization |
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